In your own words does Enclave as a unit of security does it describe.pdf
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In your own words does Enclave as a unit of security does it describe Intranet or a much large Concept? What if Enclaves are in different Domains?| Solution Enclaves are defined as a set of information and processing capabilities that are protected as a group. The information processing capabilities may include networks, hosts, or applications. An enclave is a representation of a business transaction or unit of work. Each individual enclave that is active in an address space is assigned a unique dispatching and input/output (I/O) priority, which is determined by the goals the user assigns to the enclave. The workload manager then allocates resources to each enclave based on its priority. If several transactions are concurrently sharing the same address space, the less important transactions are deferred until resources needed by the more important transactions become available. A Enclave is a section of an internal network that is subdivided from the rest of the network. The purpose of a network enclave is to limit internal access to a portion of a network. It is necessary when the set of resources differs from those of the general network surroundings. Typically, enclaves are not publicly accessible. Internal accessibility is restricted through the use of internal firewalls, VLANS, network admissions control and VPNs. An enclave is an environment under the control of a single authority with personnel and physical security measures. Enclaves typically contain multiple local area networks (LAN) with computing resource components such as user platforms; network, application, and communication servers; printers; and local switching/routing equipment. This collection of local computing devices is governed by a single security policy regardless of physical location. Because security policies are unique to the type, or level, of information being processed, a single physical facility may have more than one enclave present. Local and remote elements that access resources within an enclave must satisfy the policy of that enclave. A single enclave may span a number of geographically separate locations with connectivity via commercially purchased point-to-point communications. Enclave protection tools can be used to provide protection within specific security domains. These mechanisms are installed as part of an Intranet to connect networks that have similar security requirements,Network Enclaves consist of standalone assets that do not interact with other information systems or networks. A major difference between a DMZ or demilitarized zone and a network enclave is a DMZ allows inbound and outbound traffic access, where firewall boundaries are traversed. In an enclave, firewall boundaries are not traversed. An enclave cannot cross organizational boundaries. A Collaborative Domain (CD) connects or contains enclaves at one or more sites, and is the natural mechanism for instantiating inter- organizational collaborations. The CD provides the association.
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Chapter 13Secure Network DesignCopyright © 2014 by McGraw-Hi
Chapter 13
Secure Network Design
Copyright © 2014 by McGraw-Hill Education.
Introduction
In this chapter, we review some high-level security concepts that should be kept in mind during network design.
This chapter introduces the basic concepts of network architecture and the best practices for security that should be considered when designing a network.
Copyright © 2014 by McGraw-Hill Education.
Electronic Security Perimeter (ESP)
The boundary between an organization’s network and the Internet or a peered network is known as an electronic security perimeter (ESP).
The network perimeter lies wholly within the ESP and is often confined to a particular physical location or set of locations, while the ESP has other elements such as corporate smartphones and smartphones, tablets, and other mobile devices. These devices may be outside of the network(s) physically, but they are still within the ESP.
Within this perimeter you will find all owned computing assets and potential storage locations for organization data, sometimes including third-party systems.
Copyright © 2014 by McGraw-Hill Education.
Acceptable Risk
Management’s risk tolerance is expressed through the policies, procedures, and guidelines issued to the staff.
A complete set of policies outlining management’s preferences and its tolerance of information security risks enables employees to make appropriate infrastructure decisions when designing and securing new systems and networks.
Thus, the design and configuration of the infrastructure becomes the enforcement of those documents.
Copyright © 2014 by McGraw-Hill Education.
Designing Security into a Network
Separating assets of differing trust and security requirements should be an integral goal during the design phase of any new project.
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Network Design Models
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Copyright © 2014 by McGraw-Hill Education.
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Copyright © 2014 by McGraw-Hill Education.
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Although the Cisco three-tier model is perhaps the most commonly known and referenced model for designing LAN environments, it has its limitations and is rapidly being supplanted by newer models aimed at addressing the specific needs of highly virtualized data centers, different industry verticals, and cloud computing and multitenancy environments.
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RESOLVING NETWORK DEFENSE CONFLICTS WITH ZERO TRUST ARCHITECTURES AND OTHER E...
Network defense implies a comprehensive set of software tools to preclude malicious entities from conducting activities such as exfiltration of data, theft of credentials, blocking of services and other nefarious activities. For most enterprises at this time, that defense builds upon a clear concept of the fortress approach. Many of the requirements are based on inspection and reporting prior to delivery of the communication to the intended target. These inspections require decryption of packets and this implies that the defensive suite either impersonates the requestor, or has access to the private cryptographic keysof the servers that are the target of communication. This is in contrast to an end-to-end paradigm where known good entities can communicate directly and no other entity has access to the content unless that content is provided to them. There are many new processes that require end-to-end encrypted communication, including distributed computing, endpoint architectures, and zero trust architectures and enterprise level security. In an end-to-end paradigm, the keys used for authentication, confidentiality, and integrity reside only with the endpoints. This paper examines a formulation that allows unbroken communication, while meeting the inspection and reporting requirements of a network defense. This work is part of a broader security architecture termed Enterprise Level Security (ELS)framework.
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Approach of Data Security in Local Network Using Distributed Firewalls
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Infrastructure SecurityChapter 10Principles of Compute.docx
Infrastructure Security
Chapter 10
Principles of Computer Security, Fifth Edition
Copyright © 2018 by McGraw-Hill Education. All rights reserved.
Objectives (1 of 2)
Construct networks using different types of network devices.
Enhance security using security devices.
Understand virtualization concepts.
Enhance security using NAC/NAP methodologies.
Identify the different types of media used to carry network signals.
Describe the different types of storage media used to store information.
Principles of Computer Security, Fifth Edition
Copyright © 2018 by McGraw-Hill Education. All rights reserved.
2
Objectives (2 of 2)
Use basic terminology associated with network functions related to information security.
Describe the different types and uses of cloud computing.
Principles of Computer Security, Fifth Edition
Copyright © 2018 by McGraw-Hill Education. All rights reserved.
3
Key Terms (1 of 3)
Basic packet filtering
Bridge
Cloud computing
Coaxial cable
Collision domain
Concentrator
Data loss prevention (DLP)
Firewall
Hypervisor
Hub
Infrastructure as a Service (IaaS)
Internet content filters
Load balancer
Modem
Network access control
Principles of Computer Security, Fifth Edition
Copyright © 2018 by McGraw-Hill Education. All rights reserved.
Basic packet filtering – Filtering that looks at each packet entering or leaving the network and then either accepts the packet or rejects the packet based on user-defined rules. Each packet is examined separately.
Bridge – A network device that separates traffic into separate collision domains at the data layer of the OSI model.
Cloud computing – The automatic provisioning of on demand computational resources across a network.
Coaxial cable – A network cable that consists of a solid center core conductor and a physical spacer to the outer conductor which is wrapped around it. Commonly used in video systems.
Collision domain – An area of shared traffic in a network where packets from different conversations can collide.
Concentrator – A device used to manage multiple similar networking operations, such as provide a VPN endpoint for multiple VPNs.
Data loss prevention (DLP) – Technology, processes, and procedures designed to detect when unauthorized removal of data from a system occurs. DLP is typically
active, preventing the loss of data, either by blocking the transfer or dropping the connection.
Firewall – A network device used to segregate traffic based on rules.
Hypervisor - A low-level program that allows multiple operating systems to run concurrently on a single host computer.
Hub – A network device used to connect devices at the physical layer of the OSI model.
Infrastructure as a Service (IaaS) – The automatic, on-demand provisioning of infrastructure elements, operating as a service; a common element of cloud computing.
Internet content filters – A content-filtering system use to protect corporations from employees’ viewing of inappropriate or illegal content at the workplace.
Please identify hardware device(s) (peripherals) and describe how a NO.docx
Please identify hardware device(s) (peripherals) and describe how a NOS configure and manage the device(s) in a distributed environment. What are the device management techniques out there that are adopted by NOSs in such a networked environment? How do NOSs resolve device conflict when it occurs? (For example, when a system resource has been allocated to two or more network devices).
Solution
The term network operating system is used to refer to two rather different concepts:
A specialised operating system for a network device such as a router, switch or firewall.
An operating system oriented to computer networking, to allow shared file and printer access among multiple computers in a network, to enable the sharing of data, users, groups, security, applications, and other networking functions.[1] Typically over a local area network (LAN), or private network. This sense is now largely historical, as common operating systems generally now have such features included.
There are two types of NOS :
Peer to Peer
In a peer-to-peer network operating system users are allowed to share resources and files located on their computers and access shared resources
from others. This system is not based with having a file server or centralized management source. A peer-to-peer network sets all connected computers
equal; they all share the same abilities to use resources available on the network
The advantages include:
Ease of setup
Less hardware needed, no server need be acquired
The disadvantages include:
No central location for storage
Less security than the client–server model
Client Server
Network operating systems can be based on a client–server model (architecture) in which a server enables multiple clients to share resources.
Client-server network operating systems allow networks to centralize functions and applications in one or more dedicated file servers.
The server is the center of the system, allowing access to resources and instituting security. The network operating system provides
the mechanism to integrate all the components on a network to allow multiple users to simultaneously share the same resources regardless of
physical location
The advantages include:
Centralized servers are more stable.
Security is provided through the server.
New technology and hardware can be easily integrated into the system.
Hardware and the operating system can be specialized, with a focus on performance.
Servers are able to be accessed remotely from different locations and types of systems.
The disadvantages include:
Buying and running a server raises costs.
Dependence on a central location for operation.
Requires regular maintenance and updates.
.
Fragmentation of Data in Large-Scale System For Ideal Performance and Security
Cloud computing is becoming prominent trend which offers the number of significant advantages. One of the ground laying
advantage of the cloud computing is the pay-as-per-use, where according to the use of the services, the customer has to pay. At present,
user’s storage availability improves the data generation. There is requiring farming out such large amount of data. There is indefinite
large number of Cloud Service Providers (CSP). The Cloud Service Providers is increasing trend for many number of organizations and
as well as for the customers that decreases the burden of the maintenance and local data storage. In cloud computing transferring data to
the third party administrator control will give rise to security concerns. Within the cloud, compromisation of data may occur due to
attacks by the unauthorized users and nodes. So, in order to protect the data in cloud the higher security measures are required and also
to provide security for the optimization of the data retrieval time. The proposed system will approach the issues of security and
performance. Initially in the DROPS methodology, the division of the files into fragments is done and replication of those fragmented
data over the cloud node is performed. Single fragment of particular file can be stored on each of the nodes which ensure that no
meaningful information is shown to an attacker on a successful attack. The separation of the nodes is done by T-Coloring in order to
prohibit an attacker to guess the fragment’s location. The complete data security is ensured by DROPS methodology
A Data Hiding Techniques Based on Length of English Text using DES and Attack...
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Cloud technology to ensure the protection of fundamental methods and use of i...
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A comparative analysis of attacks carried out in cloud technologies, the main methods and methods of information protection, the possibilities of using hardware and software, and methods to combat threats when eliminating them, ensuring data protection were carried out by Mamarajabov Odil Elmurzayevich 2020. Cloud technology to ensure the protection of fundamental methods and use of information. International Journal on Integrated Education. 3, 10 (Oct. 2020), 313-315. DOI:https://doi.org/10.31149/ijie.v3i10.780 https://journals.researchparks.org/index.php/IJIE/article/view/780/750 https://journals.researchparks.org/index.php/IJIE/article/view/780
Match appropriately. Best fit. stratum corneum papillary region ad.pdf
Match appropriately. Best fit. stratum corneum papillary region adipose tissue sebaceous
gland ceruminous gland sudoriferous gland hemoglobin melanin carotene pigment absent in
albinos pigment found in the eyes hypodermis produces sweat (perspiration) dermis along
with sebaceous glands produces ear wax epidermis pigment found in the red blood cell
produces oil (sebum)
Solution
Stratum corneum - G.Epidermis
Papillary region - E. Dermis
Adipose tissue- C. Hypodermis
Sebaceous gland - I. Produces oil (Sebum)
Ceruminous gland - F. Along with sebaceous glands produces ear wax
Sudoriferous gland- D. Produces Sweat ( Perspiration)
Hemoglobin- H. Pigment found in the red blood cell.
Melanin- A. Pigment absent in albinos
Carotene- B. pigment found in the eyes.
I need help answering both these questionsQuestion 5 1. A dip.pdf
I need help answering both these questions
Question 5: 1. A diploid cell contains three pairs of homologous chromosomes: A1 and A2, B1
and B2, and C1 and C2. Assuming no crossing-over occurs, what possible combinations of
chromosomes will be present in: a) daughter cells following mitosis: b) metaphase I of meiosis:
Solution
1. A)In mitosis the daugther produced are genetically identical , so all the geneticall material is
being inherited from mother cells to daughter cells, So the only possibility is
A1/A2/B1/B2/C1/C2. Since all the genetic material is being transfered from the parent cell to
daughter cells
B) The Meiosis 1 is meant to split the homologus pair into different cells, which will now be n (
Haploid) , So there can be 8 possible combinations of chromosomes, So if we take an example it
could inherit A1/B1/C1 or A2/M1/S1.
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ClubHack Magazine issue 26 March 2012
Coming to this issue we have Network Security in Tool Gyan which will put light on how to set up a secured network, Who wants to be a Millionaire in Tool Gyan, check out yourself of what exactly its all about ;)TOR in Mom's guide for all those who thought 'It sounds very complicated to use, I’m not a hacker! I can’t use it!' by our Author- Federico from Italy.
Chapter 13Secure Network DesignCopyright © 2014 by McGraw-Hi
Chapter 13
Secure Network Design
Copyright © 2014 by McGraw-Hill Education.
Introduction
In this chapter, we review some high-level security concepts that should be kept in mind during network design.
This chapter introduces the basic concepts of network architecture and the best practices for security that should be considered when designing a network.
Copyright © 2014 by McGraw-Hill Education.
Electronic Security Perimeter (ESP)
The boundary between an organization’s network and the Internet or a peered network is known as an electronic security perimeter (ESP).
The network perimeter lies wholly within the ESP and is often confined to a particular physical location or set of locations, while the ESP has other elements such as corporate smartphones and smartphones, tablets, and other mobile devices. These devices may be outside of the network(s) physically, but they are still within the ESP.
Within this perimeter you will find all owned computing assets and potential storage locations for organization data, sometimes including third-party systems.
Copyright © 2014 by McGraw-Hill Education.
Acceptable Risk
Management’s risk tolerance is expressed through the policies, procedures, and guidelines issued to the staff.
A complete set of policies outlining management’s preferences and its tolerance of information security risks enables employees to make appropriate infrastructure decisions when designing and securing new systems and networks.
Thus, the design and configuration of the infrastructure becomes the enforcement of those documents.
Copyright © 2014 by McGraw-Hill Education.
Designing Security into a Network
Separating assets of differing trust and security requirements should be an integral goal during the design phase of any new project.
Aggregating assets that have similar security requirements in dedicated zones allows an organization to use small numbers of network security devices, such as firewalls and intrusion-detection systems, to secure and monitor multiple application systems.
Copyright © 2014 by McGraw-Hill Education.
Network Design Models
The three-tier Cisco Hierarchical Internetworking model is derived from the Public Switched Telephone Network (PSTN) model, which is in use for much of the world’s telephone infrastructure.
Copyright © 2014 by McGraw-Hill Education.
The Three-Tier Cisco Hierarchical Internetworking Model
Copyright © 2014 by McGraw-Hill Education.
Newer Models
Although the Cisco three-tier model is perhaps the most commonly known and referenced model for designing LAN environments, it has its limitations and is rapidly being supplanted by newer models aimed at addressing the specific needs of highly virtualized data centers, different industry verticals, and cloud computing and multitenancy environments.
Many modern data center architectures and “cloud” designs favor a clustered switching, class fabric, or collapsed two-tier approach that offers higher perform ...
RESOLVING NETWORK DEFENSE CONFLICTS WITH ZERO TRUST ARCHITECTURES AND OTHER E...
Network defense implies a comprehensive set of software tools to preclude malicious entities from conducting activities such as exfiltration of data, theft of credentials, blocking of services and other nefarious activities. For most enterprises at this time, that defense builds upon a clear concept of the fortress approach. Many of the requirements are based on inspection and reporting prior to delivery of the communication to the intended target. These inspections require decryption of packets and this implies that the defensive suite either impersonates the requestor, or has access to the private cryptographic keysof the servers that are the target of communication. This is in contrast to an end-to-end paradigm where known good entities can communicate directly and no other entity has access to the content unless that content is provided to them. There are many new processes that require end-to-end encrypted communication, including distributed computing, endpoint architectures, and zero trust architectures and enterprise level security. In an end-to-end paradigm, the keys used for authentication, confidentiality, and integrity reside only with the endpoints. This paper examines a formulation that allows unbroken communication, while meeting the inspection and reporting requirements of a network defense. This work is part of a broader security architecture termed Enterprise Level Security (ELS)framework.
RESOLVING NETWORK DEFENSE CONFLICTS WITH ZERO TRUST ARCHITECTURES AND OTHER E...
Network defense implies a comprehensive set of software tools to preclude malicious entities from conducting activities such as exfiltration of data, theft of credentials, blocking of services and other nefarious activities. For most enterprises at this time, that defense builds upon a clear concept of the fortress approach. Many of the requirements are based on inspection and reporting prior to delivery of the communication to the intended target. These inspections require decryption of packets and this implies that the defensive suite either impersonates the requestor, or has access to the private cryptographic keysof the servers that are the target of communication. This is in contrast to an end-to-end paradigm where known good entities can communicate directly and no other entity has access to the content unless that content is provided to them. There are many new processes that require end-to-end encrypted communication, including distributed computing, endpoint architectures, and zero trust architectures and enterprise level security. In an end-to-end paradigm, the keys used for authentication, confidentiality, and integrity reside only with the endpoints. This paper examines a formulation that allows unbroken communication, while meeting the inspection and reporting requirements of a network defense. This work is part of a broader security architecture termed Enterprise Level Security (ELS)framework.
Approach of Data Security in Local Network Using Distributed Firewalls
Approach of Data Security in Local Network Using Distributed FirewallsInternational Journal of Science and Research (IJSR)
Firewall is a device or set of instruments designed to permit or deny network transmissions based upon a set of rules and regulation is frequently used to protect networks from unauthorized access while permitting legitimate communications to pass or during the sensitive data transmission. Distributed firewalls allow enforcement of security policies on a network without restricting its topology on an inside or outside point of view. Use of a policy language and centralized delegating its semantics to all members of the networks domain support application of firewall technology for organizations, which network devices communicate over insecure channels and still allow a logical separation of hosts in- and outside the trusted domain. We introduce the general concepts of such distributed firewalls, its requirements and implications and introduce its suitability to common threats on the Internet, as well as give a short discussion on contemporary implementations.
Infrastructure SecurityChapter 10Principles of Compute.docx
Infrastructure Security
Chapter 10
Principles of Computer Security, Fifth Edition
Copyright © 2018 by McGraw-Hill Education. All rights reserved.
Objectives (1 of 2)
Construct networks using different types of network devices.
Enhance security using security devices.
Understand virtualization concepts.
Enhance security using NAC/NAP methodologies.
Identify the different types of media used to carry network signals.
Describe the different types of storage media used to store information.
Principles of Computer Security, Fifth Edition
Copyright © 2018 by McGraw-Hill Education. All rights reserved.
2
Objectives (2 of 2)
Use basic terminology associated with network functions related to information security.
Describe the different types and uses of cloud computing.
Principles of Computer Security, Fifth Edition
Copyright © 2018 by McGraw-Hill Education. All rights reserved.
3
Key Terms (1 of 3)
Basic packet filtering
Bridge
Cloud computing
Coaxial cable
Collision domain
Concentrator
Data loss prevention (DLP)
Firewall
Hypervisor
Hub
Infrastructure as a Service (IaaS)
Internet content filters
Load balancer
Modem
Network access control
Principles of Computer Security, Fifth Edition
Copyright © 2018 by McGraw-Hill Education. All rights reserved.
Basic packet filtering – Filtering that looks at each packet entering or leaving the network and then either accepts the packet or rejects the packet based on user-defined rules. Each packet is examined separately.
Bridge – A network device that separates traffic into separate collision domains at the data layer of the OSI model.
Cloud computing – The automatic provisioning of on demand computational resources across a network.
Coaxial cable – A network cable that consists of a solid center core conductor and a physical spacer to the outer conductor which is wrapped around it. Commonly used in video systems.
Collision domain – An area of shared traffic in a network where packets from different conversations can collide.
Concentrator – A device used to manage multiple similar networking operations, such as provide a VPN endpoint for multiple VPNs.
Data loss prevention (DLP) – Technology, processes, and procedures designed to detect when unauthorized removal of data from a system occurs. DLP is typically
active, preventing the loss of data, either by blocking the transfer or dropping the connection.
Firewall – A network device used to segregate traffic based on rules.
Hypervisor - A low-level program that allows multiple operating systems to run concurrently on a single host computer.
Hub – A network device used to connect devices at the physical layer of the OSI model.
Infrastructure as a Service (IaaS) – The automatic, on-demand provisioning of infrastructure elements, operating as a service; a common element of cloud computing.
Internet content filters – A content-filtering system use to protect corporations from employees’ viewing of inappropriate or illegal content at the workplace.
Please identify hardware device(s) (peripherals) and describe how a NO.docx
Please identify hardware device(s) (peripherals) and describe how a NOS configure and manage the device(s) in a distributed environment. What are the device management techniques out there that are adopted by NOSs in such a networked environment? How do NOSs resolve device conflict when it occurs? (For example, when a system resource has been allocated to two or more network devices).
Solution
The term network operating system is used to refer to two rather different concepts:
A specialised operating system for a network device such as a router, switch or firewall.
An operating system oriented to computer networking, to allow shared file and printer access among multiple computers in a network, to enable the sharing of data, users, groups, security, applications, and other networking functions.[1] Typically over a local area network (LAN), or private network. This sense is now largely historical, as common operating systems generally now have such features included.
There are two types of NOS :
Peer to Peer
In a peer-to-peer network operating system users are allowed to share resources and files located on their computers and access shared resources
from others. This system is not based with having a file server or centralized management source. A peer-to-peer network sets all connected computers
equal; they all share the same abilities to use resources available on the network
The advantages include:
Ease of setup
Less hardware needed, no server need be acquired
The disadvantages include:
No central location for storage
Less security than the client–server model
Client Server
Network operating systems can be based on a client–server model (architecture) in which a server enables multiple clients to share resources.
Client-server network operating systems allow networks to centralize functions and applications in one or more dedicated file servers.
The server is the center of the system, allowing access to resources and instituting security. The network operating system provides
the mechanism to integrate all the components on a network to allow multiple users to simultaneously share the same resources regardless of
physical location
The advantages include:
Centralized servers are more stable.
Security is provided through the server.
New technology and hardware can be easily integrated into the system.
Hardware and the operating system can be specialized, with a focus on performance.
Servers are able to be accessed remotely from different locations and types of systems.
The disadvantages include:
Buying and running a server raises costs.
Dependence on a central location for operation.
Requires regular maintenance and updates.
.
Fragmentation of Data in Large-Scale System For Ideal Performance and Security
Cloud computing is becoming prominent trend which offers the number of significant advantages. One of the ground laying
advantage of the cloud computing is the pay-as-per-use, where according to the use of the services, the customer has to pay. At present,
user’s storage availability improves the data generation. There is requiring farming out such large amount of data. There is indefinite
large number of Cloud Service Providers (CSP). The Cloud Service Providers is increasing trend for many number of organizations and
as well as for the customers that decreases the burden of the maintenance and local data storage. In cloud computing transferring data to
the third party administrator control will give rise to security concerns. Within the cloud, compromisation of data may occur due to
attacks by the unauthorized users and nodes. So, in order to protect the data in cloud the higher security measures are required and also
to provide security for the optimization of the data retrieval time. The proposed system will approach the issues of security and
performance. Initially in the DROPS methodology, the division of the files into fragments is done and replication of those fragmented
data over the cloud node is performed. Single fragment of particular file can be stored on each of the nodes which ensure that no
meaningful information is shown to an attacker on a successful attack. The separation of the nodes is done by T-Coloring in order to
prohibit an attacker to guess the fragment’s location. The complete data security is ensured by DROPS methodology
A Data Hiding Techniques Based on Length of English Text using DES and Attack...
The comparing recent proposal for multimedia applications network security remains an important topic for researchers. The security deals with both wired and wireless communication. Network is defined as it is a large system consisting of many similar parts that are connected together to allow the movement or communication between or along the parts or between the parts and a control center. There are the main components of the network information system such as end systems (terminals, servers) and intermediate systems (hubs, switches, gateways). Every node has its own set of vulnerabilities that can be related to hardware, software, protocol stack etc. Nodes are interconnected by physical supports in a network for example connected with cables in wired Local Area Network (LAN) or radio waves (Wi-Fi) in Wireless Local Area Network (WLAN). Some nodes are able to provide services (FTP, HTTP browsing, database access). If two nodes want to communicate together, they must be interconnected physically and logically. Network security deals with also information hiding technique. Now day’s security deals with heterogeneous networks. The use of different wireless and wired network which are working on different platform is heterogeneous. So design of network security for such type of heterogeneous network is difficult task.
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Cloud technology to ensure the protection of fundamental methods and use of i...SubmissionResearchpa
A comparative analysis of attacks carried out in cloud technologies, the main methods and methods of information protection, the possibilities of using hardware and software, and methods to combat threats when eliminating them, ensuring data protection were carried out by Mamarajabov Odil Elmurzayevich 2020. Cloud technology to ensure the protection of fundamental methods and use of information. International Journal on Integrated Education. 3, 10 (Oct. 2020), 313-315. DOI:https://doi.org/10.31149/ijie.v3i10.780 https://journals.researchparks.org/index.php/IJIE/article/view/780/750 https://journals.researchparks.org/index.php/IJIE/article/view/780
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Chapter 13Secure Network DesignCopyright © 2014 by McGraw-Hi
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Infrastructure SecurityChapter 10Principles of Compute.docx
Infrastructure SecurityChapter 10Principles of Compute.docx
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Match appropriately. Best fit. stratum corneum papillary region ad.pdf
Match appropriately. Best fit. stratum corneum papillary region adipose tissue sebaceous
gland ceruminous gland sudoriferous gland hemoglobin melanin carotene pigment absent in
albinos pigment found in the eyes hypodermis produces sweat (perspiration) dermis along
with sebaceous glands produces ear wax epidermis pigment found in the red blood cell
produces oil (sebum)
Solution
Stratum corneum - G.Epidermis
Papillary region - E. Dermis
Adipose tissue- C. Hypodermis
Sebaceous gland - I. Produces oil (Sebum)
Ceruminous gland - F. Along with sebaceous glands produces ear wax
Sudoriferous gland- D. Produces Sweat ( Perspiration)
Hemoglobin- H. Pigment found in the red blood cell.
Melanin- A. Pigment absent in albinos
Carotene- B. pigment found in the eyes.
I need help answering both these questionsQuestion 5 1. A dip.pdf
I need help answering both these questions
Question 5: 1. A diploid cell contains three pairs of homologous chromosomes: A1 and A2, B1
and B2, and C1 and C2. Assuming no crossing-over occurs, what possible combinations of
chromosomes will be present in: a) daughter cells following mitosis: b) metaphase I of meiosis:
Solution
1. A)In mitosis the daugther produced are genetically identical , so all the geneticall material is
being inherited from mother cells to daughter cells, So the only possibility is
A1/A2/B1/B2/C1/C2. Since all the genetic material is being transfered from the parent cell to
daughter cells
B) The Meiosis 1 is meant to split the homologus pair into different cells, which will now be n (
Haploid) , So there can be 8 possible combinations of chromosomes, So if we take an example it
could inherit A1/B1/C1 or A2/M1/S1.
How would you investigate the question about the probability of matc.pdf
How would you investigate the question about the probability of matching only the red ball? and
what is the best statistical method to use?
Solution
the probability of matching only the red ball can be investigated by adopting the lottery method(
random sampling). the best statistical method to use is Binomial distribution.
How did the issues of sectionalism reemerge in 1850, what was the pr.pdf
How did the issues of sectionalism reemerge in 1850, what was the proposed solution, and what
were the debates on each side?
History of US from 1812 to 1912
Solution
In 1848 the acquisition of new territory from Mexico through the Treaty of Guadalupe Hidalgo
renewed the sectional debate that had gripped the nation during the admittance of Missouri. The
question of whether the new territory would allow slavery was the main question, with Northern
Congressmen hoping to limit slavery and Southern Congressmen hoping to expand the territory
in which it was legal. Soon after the war began, Democratic Congressman David Wilmot
proposed that territory won from Mexico should be free from the institution of slavery. Called
the Wilmot Proviso, the measure failed to pass Congress and thus never became law. This served
to unify the majority of Southerners, who saw the Proviso as an attack on their society and their
Constitutional Rights.
The influx of population led to California\'s application of statehood in 1850. This created a
renewal of sectional tension because California\'s admission into the Union threatened to upset
the balance of power in Congress. The imminent admission of Oregon, New Mexico, and Utah
also threatened to upset the balance. Many Southerners also realized that the climate of those
territories did not lend themselves to the extension of slavery. Debate raged in Congress until a
resolution was found in 1850.
With the failure of the Wilmot Proviso, Senator Lewis Cass introduced the idea of popular
sovereignty in Congress. In an attempt to hold the Congress together as it continued to divide
along sectional, rather than party lines, Cass proposed that Congress did not have the power to
determine whether territories could allow slavery since this was not an enumerated power listed
in the Constitution. Instead Cass proposed that the people living in the territories themselves
should decide the slavery issue. For the Democrats, the solution was not as clear as it appeared.
Northern Democrats called for \"squatter sovereignty\" in which the people living in the territory
could decide the issue when a territorial legislature was convened. Southern Democrats disputed
this idea arguing that the issue of slavery must be decided at the time of adoption of a state
constitution when the request was made to Congress for admission as a state. Cass and other
Democratic leaders failed to clarify the issue so that neither section of the country felt slighted as
the election approached. After Cass\' defeat in 1848, Illinois Senator Stephen Douglas assumed a
leading role in the party and became closely associated with popular sovereignty with his
proposal of the Kansas–Nebraska Act..
How is localization of Gap gene expression achieved in the Drosophil.pdf
How is localization of Gap gene expression achieved in the Drosophila embryo? (what is the
mechanism?)
Solution
Drosophila has segmented body pattern, along the longitudinal axis. Gap gene is involved in
development of the segmented embryos. Specialized transcription factors (mostly zinc fingers)
are coded by gap genes which directly control the expression of set of genes (the pair rule genes)
involved in segmentation.
There is a cascade of transcription factors, which establish the segemented body pattern of
drosophila. This starts during early development stage, wherein, the maternal gene products gets
localized at the polar ends of the egg. Zygotic segmentation genes has the information for
positioning of transcription factors. This regulatory hierarchy is led by gap gene. Along the
longitudinal axis, expression of gap genes occurs in preblastoderm. Its discrete expression
pattern defines specific and overlapping sets of segment primordia. The transcription factors
encoded by gap genes form concentration gradients which are overlapping in nature, and the
protein gradients thus formed provide cues to form repeated patterns. Thus the pattern of
segments from blastoderm embryo are copied. Therefore, basically it is the maternal
transcription factors which regulate the region-specific expression of zygotic transcription
factors. The transcription factors encoded by gap genes regulate the expression of pair-rule genes
and homeotic genes.
Thus, it is the localized gene expression of gap gene which ultimately leads to the formation of
the periodic pattern; mechanism known as the pair-rule gene expression. Studies of gap gene
expression has demonstrated that from drosophila blastoderm, organisms with similar phenotype
can be developed, despite of varitions occurring in the genotype, the phenomenon known as
canalization..
For the following ordinary differential equations, identify their de.pdf
For the following ordinary differential equations, identify their dependent variables, independent
variables, their orders and comment if they are linear or nonlinear and homogeneous or
nonhomogeneous:
Solution
dy/dx derivative notation means the derivate of y with respect to x, hence y is a dependent
variable of the independent variable x.
second-order linear ordinary differential equation is written as y + p(t) y + q(t) y = g(t), it has
same formate as given in question..
Find two models of incidence geometry, each with exactly four points.pdf
Find two models of incidence geometry, each with exactly four points, that are not isomorphic.
Justify your answer.
Solution
Six lines with each line having two points. It has the Euclidean parallel property that states, for
every line l and for every point P lying not on l, there exists a unique parallel m to l through point
P.
Second model has four lines, one of which has three points. It has the elliptic parallel property
that states incidence geometry has the ellipticparallel property iff any two lines do intersect
necessarily at a unique point..
Finish the following natural deduction proofs SolutionThe two .pdf
Finish the following natural deduction proofs:
Solution
The two sets L and K are such that G is a subset of LUK
As~O is a subset of G, it follows that ~O is a sub set of LvK
Again it follows that any element not in O is in either L or K
which implies If an element is in L or K it necessarily is not in O
Or O/~x is a subset of X.
Find the most general f. Use C for the constant of the first anti-de.pdf
Find the most general f. Use C for the constant of the first anti-derivative and D for the constant
of the second anti-derivative.
f \'\'(x) = 4x + sin x
Solution
f\'(x) = int f\"(x) = int 4x+sin(x) dx = 2x2 - cos(x) + C1
f(x) = int f\'(x) dx = int 2x2 - cos(x) + C1 dx =
2/3 x3 - sin(x) + C1x + C2
where C1 and C2 are constants..
Explain the concept of diaspora and distinguish between voluntary and.pdf
Explain the concept of diaspora and distinguish between voluntary and involuntary diaspora?
Discuss the dynamics of diaspora and show the extent to which diaspora is a global
phenomenon?
Solution
The concept of Diaspora: This phenomenon explains dispersed population scattered from their
specific homelands but they maintain their cultural aspects in the country where they migrated.
Diaspora is going to illustrate about the people themselves or their previous ancestors & the
people who have been living are going to retain their cultural aspects with “memories/myths”
about their specific homeland. The voluntary migration of population from their homeland where
they are not forced to migrate known as “voluntary Diaspora” where, “you will find no force to
migrate”. The involuntary migration of population from their homeland where they are forced to
migrate known as “involuntary Diaspora (refugees migrate)” where, “you will find force to
migrate” (mainly religious persecutions).
According to Wilbur Zelinsky, the dynamics of Diaspora is mainly due to immigrants &
emigrants and the extent to which Diaspora is a global phenomenon is explained mainly by rural
and urban migration. These dynamics can be explained by data that collected & correlates to
extent of migration rates specifically within a country over a period..
Does S_2 span P_2 Solutionlets calculate the dimension of S_2.pdf
Does S_2 span P_2 ?
Solution
lets calculate the dimension of S_2
It is clear S2 is a subspace of P2 since every element of S2 is in P2.
So if the dimension of S2 is 3 i.e. all elements of S2 are linearly independent then S2 spans P2
and it is a basis for P2
otherwise Not.
Now lets see if all elements are LI
if c1 (x^2 +1) + c2(x^2 + x) + c3(x+6) = 0 (zero polynomial)
then
c1 = -c2
c1 = -6c3
c2 = -c3
which gives all c1,c2,c3 = 0
so they are linearly independent and hence its a basis for P2..
Describe one exception to Mendelian inheritance In what year did Cha.pdf
Describe one exception to Mendelian inheritance In what year did Charles Darwin publish The
Origin of Species? What is the diploid # in humans? Write the Genus and species names of our
species in the proper form.
Solution
1. It is now understood that inheriting one allele can, at times, increase the chance of inheriting
another or can affect how and when a trait is expressed in an individual\'s Phenotype. Likewise,
there are degrees of dominance and recessiveness with some traits. The simple rules of
Mendelian inheritance do not apply in these and other exceptions. They are said to have Non-
Mendelian inheritance Patterns.
For example: ABO blood type in humans, Genes regulating human stature etc,
2. Origin of species by charles Darwin got published in 1859.
3. For humans a diploid species, n=23. A typical human somatic cell has 46 chromosomes.
4. genus: Homo
Speices: H. sapiens..
Describe Norman’s 7 Stages of Action and Four Principles of Good Des.pdf
Describe Norman’s 7 Stages of Action and Four Principles of Good Design
Solution
Answer :
When we try to achieve something , we come accross many hurdles. There are alot of hurdles
between your goal and initial step. Norman defined 7 stages of action which simulates it all. Here
are the 7 stages of action :
1. Forming the goal
2. Forming the intension
3. Specifying an action
4. Executing the action
5. Percieving state of world
6. Interpreting state of world
7. Evaluating the outcome.
First stage is for activity design. Next 3 are for interaction design and last three are for
information design.
The four principles of design are :
1. Contrast
2. Repetition
3.Alignment
4.Spelling
These all are interconnected with each other..
Consider a system of two components, connected as shown in the diagr.pdf
Consider a system of two components, connected as shown in the diagram below. Suppose that
the components function independently, and that the probabilities of FAILURE are 0.05 for A
and 0.10 for B.
Find the probability that the system FUNCTIONS.
Solution
P(system functions) = P(A function or B function) = 1 - P(A fails and B fails) = 1 - 0.05 * 0.1 =
0.995.
Bullying has become increasingly problematic for school aged childre.pdf
Bullying has become increasingly problematic for school aged children. Describe the different
types of bullying as well as the characteristics of a bully. What are the consequences for the
victim of bullying? How will this affect their social development? Finally, in addition to the tips
in the textbook, brainstorm some ideas for reducing bullying in schools. Bullying has become
increasingly problematic for school aged children. Describe the different types of bullying as
well as the characteristics of a bully. What are the consequences for the victim of bullying? How
will this affect their social development? Finally, in addition to the tips in the textbook,
brainstorm some ideas for reducing bullying in schools.
Solution
Answer-
Bullying is a aggressive behavior among school aged kids that involves an imbalance of
power.The behavior of being aggressive can be repeated over time and may become a serious
and long lasting problem.
characteristic of bully -
Some common characteristics of children who are bully.
1) Impulsive
2)anger management problem
3)tries to control other people by criticizing then rather than inspiring others.
4) Easily frustrated and annoyed
Types of bullying-
There are 3 types of bullying-
1) verbal bullying- verbal bullying includes teasing, name-calling, inappropriate sexual
comments, taunting, threatening to cause harm.
2) social bullying- Social bullying involves hurting someone\'s relationship and reputation by
various means like embarrassing someone in public,leave someone out on purpose, spreading
rumors about someone,telling other children not to be friend with someone.
3) physical bullying-It involves hurting someone\'s body on purpose.it includes hitting, kicking,
pinching,pushing , tripping,taking or breaking someone\'s things .
Consequences for the victim of bullying-
1)suffer more psychological stress- bully victims suffer more imotional and psychological stress
.They also suffer from lonelyness, anxiety,and depression.
2)Have trouble fitting in-Bully victim have harder time In social places than lonelyness.They are
less cooperative and less sociable than other children around them.They have very few friends or
same time no friend at all.
3) struggle in school- Bully victim feel unsafe in school and struggle to follow rules of school.
4) Bully victim can not manage their emotions.
5) Bully victim respond aggressively on any dress.
Bullying behavior affect social development of children in many way - such children can not
make friends and thus feel unsafe on every time whenever the come in contact with others. They
can not learn to sharing things and thoughts with others.as they behave aggressively on sharing
things.such children always suffer lack of confidence to express themselves.They avoid team
work as they feel unsafe and poor .
Ideas for reducing bullying in school-
Whether we are educator or parant we can take some following steps to reduce bullying in
school-
1)pay attention on child and belongings - .
An experiment was conducted to determine whether a deficiency of carb.pdf
An experiment was conducted to determine whether a deficiency of carbon in the soil affects
the phenotype of pass . Listed below are the phenotype codes where .
Solution
Here,
n = number of observations = 14
mean = sum of observations / total number of observations.
mean = 29 / 14 = 2.071429 = 2.1
Median procedure :
Arrange observations in ascending order.
n = 14 (even)
median = [ (n/2)th observation + (n/2 + 1)th observation ] / 2
n/2 = 14/2 = 7th observation
n/2 + 1 = 8th observation
median =[ 7th observation + 8th observation ] / 2
= ( 2 + 2 ) / 2 =2
mode is the most repeated value in the data set.
Mode = 2
because 2 occures 5 times.
Mode is 2.
All the measures of center make sense since the data is numerical.
Mid range = (maximum of data + minimum of data) / 2
Mid range = ( 4 + 1 ) / 2 = 5 / 2 = 2.5
Which of the following is not a characteristic of the mean.
the mean is sensitive to outliers..
An abject is orbiting the Earth at 215 miles in altitude. It takes o.pdf
An abject is orbiting the Earth at 215 miles in altitude. It takes one hour to orbit the Earth. What
is it\'s speed? What is the mathmatic equation to calculate the answer?
Solution
We know the earth\'s radius = 3960 miles.
and the radius with object = 3960 miles + 215 miles = 4175 miles
and the circumference of earth with respect to object = 2pi*4175 miles = 26232 miles
and Given time = 1 hr
then speed = distance/time = 26232 miles/1 = 26232 mph.
A protein that was isolated by a team of university scientists is su.pdf
A protein that was isolated by a team of university scientists is suspected to be expressed on a yet
to be identified lymphocyte. Outline a series of experiments that you would design to identify the
cells expressing the protein.
Solution
The protein expressing gene is identified on DNA. The gene of interest and the plamid are cut
with same restriction endonuclease. The obtained gene is inserted in the plasmid. The plasmid is
transformed into cell line. The transformed plasmid containing a marker gene such as antibiotic
resistance gene or LacZ is useful to screen the presence of newly transformed gene. Screening
for the presence of desired gene is done by hybridization or other molecular techniques. The
desired gene expression can be studied by gene knockout or RNA interference..
3 Quiz Question 10 (of 11) If the cash is received before the related.pdf
3 Quiz Question 10 (of 11) If the cash is received before the related goods or services are
delivered, which of the following will be recorded? O Unearned Revenue, a liability Accounts
Receivable, an asset O Pre-earned Revenue, which increases Retained Earnings O Service
Revenue, which increases Retained Earnings
Solution
When the Cash is received before the related goods or services are delivered which will be
recorded as Unearned Revenue, a Liability ( Untill the goods or services are delivered no
revenue is recorded but records as a liability account Unearned Revenue).
1.0 Points The coefficient of determination is theA. square root o.pdf
1.0 Points The coefficient of determination is the
A. square root of the coefficient of correlation
B. coefficient of correlation squared
C. square root of the coefficient of nondetermination (Unexplained variation)
D. none of the above
Solution
The coefficient of determination (r^2) is the B. coefficient of correlation (r) squared.
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Describe one exception to Mendelian inheritance In what year did Cha.pdf
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Bullying has become increasingly problematic for school aged childre.pdf
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An experiment was conducted to determine whether a deficiency of carb.pdf
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Artificial Intelligence (AI) technologies such as Generative AI, Image Generators and Large Language Models have had a dramatic impact on teaching, learning and assessment over the past 18 months. The most immediate threat AI posed was to Academic Integrity with Higher Education Institutes (HEIs) focusing their efforts on combating the use of GenAI in assessment. Guidelines were developed for staff and students, policies put in place too. Innovative educators have forged paths in the use of Generative AI for teaching, learning and assessments leading to pockets of transformation springing up across HEIs, often with little or no top-down guidance, support or direction.
This Gasta posits a strategic approach to integrating AI into HEIs to prepare staff, students and the curriculum for an evolving world and workplace. We will highlight the advantages of working with these technologies beyond the realm of teaching, learning and assessment by considering prompt engineering skills, industry impact, curriculum changes, and the need for staff upskilling. In contrast, not engaging strategically with Generative AI poses risks, including falling behind peers, missed opportunities and failing to ensure our graduates remain employable. The rapid evolution of AI technologies necessitates a proactive and strategic approach if we are to remain relevant.
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