This document is a revision of the IEEE 802.1D standard for local and metropolitan area network bridges. It incorporates amendments from IEEE 802.1t and 802.1w, and makes further corrections and improvements. The standard defines the architecture for interconnecting IEEE 802 local area networks below the MAC service boundary using transparent bridges. It specifies the operation of MAC bridges to allow communication between end stations on separate LANs as if they were on the same LAN.
This document provides information about IP addressing and subnetting. It defines the different IP address classes (A, B, C, D, E), private address space, and default subnet masks. It also includes exercises for binary to decimal and decimal to binary conversion, identifying address classes, network and host portions, and determining default subnet masks through binary ANDing with IP addresses.
In this presentation, we will be sharing a collection of several vital configuration tips and tricks which are widely implemented across mid-size to large enterprise WLAN. Our primary focus would be on Security as well as Performance characteristics of Aruba WLAN networks. Check out the webinar recording where this presentation was used: https://community.arubanetworks.com/t5/Wireless-Access/Airheads-Technical-Webinar-Recording-Slides-Aruba-OS/m-p/277294
Register for the upcoming webinars: https://community.arubanetworks.com/t5/Training-Certification-Career/EMEA-Airheads-Webinars-Jul-Dec-2017/td-p/271908
Hackers use phishing to try and steal personal information by impersonating legitimate organizations and sending malicious emails. Phishing emails may contain links to fake websites asking for login credentials or attachments containing malware. It is important to be cautious of emails asking for personal information, containing spelling errors, urgent requests to click links or open attachments, and coming from unfamiliar senders. Verify the identity of the sender and do not provide sensitive details or open attachments without caution.
The document discusses a new methodology for planning very high density 802.11ac wireless networks. It involves 5 steps: 1) Choosing the number of channels, 2) Choosing the unimpaired channel throughput, 3) Applying an impairment factor based on venue type, 4) Choosing a reuse factor of 1, 5) Calculating total system throughput separately for 2.4GHz and 5GHz bands. Key aspects are using 20MHz channels, all available DFS channels, and accounting for impairments from interference and client mix.
A collection of several vital configuration tips and tricks which are widely implemented across mid-size to large enterprise WLAN. Primary focus would be on Security as well as Performance characteristics of Aruba WLAN networks. Check out the webinar recording where this presentation was used.
https://community.arubanetworks.com/t5/Wireless-Access/Technical-Webinar-Recording-Slides-Aruba-controller-features/td-p/279274
Register for the upcoming webinars: https://community.arubanetworks.com/t5/Training-Certification-Career/EMEA-Airheads-Webinars-Jul-Dec-2017/td-p/271908
The document discusses Aruba's networking portfolio and solutions for campus, branch, and data center networks. It highlights Aruba's new CX switching portfolio which features a common operating system and architecture across edge access to the data center. The CX switches are designed to address customer challenges around legacy networks not keeping pace with digital transformation needs. The document also covers Aruba's Wi-Fi 6 access point portfolio and the benefits of Wi-Fi 6 technology.
This guide explains how to implement an Aruba 802.11n wireless network that must provide high-speed access to an auditorium-style room with 500 or more seats. Aruba Networks refers to such networks as high-density wireless LANs (HD WLANs). Lecture halls, hotel ballrooms, and convention centers are common examples of spaces with this requirement. Because the number of concurrent users on an AP is limited, to serve such a large number of devices requires access point (AP) densities well in excess of the usual AP per 2,500 – 5,000 ft2 (225 – 450 m2). Such coverage areas therefore have many special technical design challenges. This validated reference design provides the design principles, capacity planning methods, and physical installation knowledge needed to successfully deploy HD WLANs.
CCNA4v5 Chapter 8 - Monitoring the NetwokAhmed Gad
Chapter eight of Cisco CCNA curriculum covering three protocols used to monitor the network which are Syslog, SNMP, and NetFlow.
This is a custom presentation created manually which is different from the regular presentations provided by Cisco.
One of the most basic networking courses is provided by Cisco Systems via the Cisco Networking Academy.
The academy provides a comprehensive program allowing students to get started in information technology and have multiple certifications.
Cisco created academies in 9,000 learning institutions spread across more than 170 countries that offer the Cisco Networking Academy curriculum.
The Associate level of Cisco Certifications can begin directly with CCNA for network installation, operations and troubleshooting or CCDA for network design. Think of the Associate Level as the foundation level of networking certification.
The Associate level of Cisco Certifications can begin directly with CCNA for network installation, operations and troubleshooting or CCDA for network design. Think of the Associate Level as the foundation level of networking certification.
Find me on:
AFCIT
http://www.afcit.xyz
YouTube
https://www.youtube.com/channel/UCuewOYbBXH5gwhfOrQOZOdw
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https://www.slideshare.net/AhmedGadFCIT
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ResearchGate
https://www.researchgate.net/profile/Ahmed_Gad13
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https://www.academia.edu/
Google Scholar
https://scholar.google.com.eg/citations?user=r07tjocAAAAJ&hl=en
Mendelay
https://www.mendeley.com/profiles/ahmed-gad12/
ORCID
https://orcid.org/0000-0003-1978-8574
StackOverFlow
http://stackoverflow.com/users/5426539/ahmed-gad
Twitter
https://twitter.com/ahmedfgad
Facebook
https://www.facebook.com/ahmed.f.gadd
Pinterest
https://www.pinterest.com/ahmedfgad/
This document provides information about IP addressing and subnetting. It defines the different IP address classes (A, B, C, D, E), private address space, and default subnet masks. It also includes exercises for binary to decimal and decimal to binary conversion, identifying address classes, network and host portions, and determining default subnet masks through binary ANDing with IP addresses.
In this presentation, we will be sharing a collection of several vital configuration tips and tricks which are widely implemented across mid-size to large enterprise WLAN. Our primary focus would be on Security as well as Performance characteristics of Aruba WLAN networks. Check out the webinar recording where this presentation was used: https://community.arubanetworks.com/t5/Wireless-Access/Airheads-Technical-Webinar-Recording-Slides-Aruba-OS/m-p/277294
Register for the upcoming webinars: https://community.arubanetworks.com/t5/Training-Certification-Career/EMEA-Airheads-Webinars-Jul-Dec-2017/td-p/271908
Hackers use phishing to try and steal personal information by impersonating legitimate organizations and sending malicious emails. Phishing emails may contain links to fake websites asking for login credentials or attachments containing malware. It is important to be cautious of emails asking for personal information, containing spelling errors, urgent requests to click links or open attachments, and coming from unfamiliar senders. Verify the identity of the sender and do not provide sensitive details or open attachments without caution.
The document discusses a new methodology for planning very high density 802.11ac wireless networks. It involves 5 steps: 1) Choosing the number of channels, 2) Choosing the unimpaired channel throughput, 3) Applying an impairment factor based on venue type, 4) Choosing a reuse factor of 1, 5) Calculating total system throughput separately for 2.4GHz and 5GHz bands. Key aspects are using 20MHz channels, all available DFS channels, and accounting for impairments from interference and client mix.
A collection of several vital configuration tips and tricks which are widely implemented across mid-size to large enterprise WLAN. Primary focus would be on Security as well as Performance characteristics of Aruba WLAN networks. Check out the webinar recording where this presentation was used.
https://community.arubanetworks.com/t5/Wireless-Access/Technical-Webinar-Recording-Slides-Aruba-controller-features/td-p/279274
Register for the upcoming webinars: https://community.arubanetworks.com/t5/Training-Certification-Career/EMEA-Airheads-Webinars-Jul-Dec-2017/td-p/271908
The document discusses Aruba's networking portfolio and solutions for campus, branch, and data center networks. It highlights Aruba's new CX switching portfolio which features a common operating system and architecture across edge access to the data center. The CX switches are designed to address customer challenges around legacy networks not keeping pace with digital transformation needs. The document also covers Aruba's Wi-Fi 6 access point portfolio and the benefits of Wi-Fi 6 technology.
This guide explains how to implement an Aruba 802.11n wireless network that must provide high-speed access to an auditorium-style room with 500 or more seats. Aruba Networks refers to such networks as high-density wireless LANs (HD WLANs). Lecture halls, hotel ballrooms, and convention centers are common examples of spaces with this requirement. Because the number of concurrent users on an AP is limited, to serve such a large number of devices requires access point (AP) densities well in excess of the usual AP per 2,500 – 5,000 ft2 (225 – 450 m2). Such coverage areas therefore have many special technical design challenges. This validated reference design provides the design principles, capacity planning methods, and physical installation knowledge needed to successfully deploy HD WLANs.
CCNA4v5 Chapter 8 - Monitoring the NetwokAhmed Gad
Chapter eight of Cisco CCNA curriculum covering three protocols used to monitor the network which are Syslog, SNMP, and NetFlow.
This is a custom presentation created manually which is different from the regular presentations provided by Cisco.
One of the most basic networking courses is provided by Cisco Systems via the Cisco Networking Academy.
The academy provides a comprehensive program allowing students to get started in information technology and have multiple certifications.
Cisco created academies in 9,000 learning institutions spread across more than 170 countries that offer the Cisco Networking Academy curriculum.
The Associate level of Cisco Certifications can begin directly with CCNA for network installation, operations and troubleshooting or CCDA for network design. Think of the Associate Level as the foundation level of networking certification.
The Associate level of Cisco Certifications can begin directly with CCNA for network installation, operations and troubleshooting or CCDA for network design. Think of the Associate Level as the foundation level of networking certification.
Find me on:
AFCIT
http://www.afcit.xyz
YouTube
https://www.youtube.com/channel/UCuewOYbBXH5gwhfOrQOZOdw
Google Plus
https://plus.google.com/u/0/+AhmedGadIT
SlideShare
https://www.slideshare.net/AhmedGadFCIT
LinkedIn
https://www.linkedin.com/in/ahmedfgad/
ResearchGate
https://www.researchgate.net/profile/Ahmed_Gad13
Academia
https://www.academia.edu/
Google Scholar
https://scholar.google.com.eg/citations?user=r07tjocAAAAJ&hl=en
Mendelay
https://www.mendeley.com/profiles/ahmed-gad12/
ORCID
https://orcid.org/0000-0003-1978-8574
StackOverFlow
http://stackoverflow.com/users/5426539/ahmed-gad
Twitter
https://twitter.com/ahmedfgad
Facebook
https://www.facebook.com/ahmed.f.gadd
Pinterest
https://www.pinterest.com/ahmedfgad/
Enhance your network security by introducing Multi Factor Authentication (MFA) into new or existing use cases. New threats, risks, and vulnerabilities as well as evolving business requirements underscore to the need for a strong authentication approach based on simple service delivery, choice, and future-forward scalability. Learn how to create time, location and event driven policies to trigger new MFA workflows. Managed or unmanaged devices can be leveraged using secure MFA solutions from a variety of 3rd party providers and when combined with SSO, provides a much simpler and secure user experience versus traditional two-factor authentication methods..
This educational PPT provides Primary Goals of Network Security, The Security Trinity, Information Security, Risk Assessment, Security Models, Basic Security Terminologies, Threats, Vulnerabilities, and Attacks, Know Yourself - The Threat and Vulnerability Landscape, Privacy, Anonymity and Pseudo-anonymity, Security, Vulnerabilities, Threats and Adversaries, Know Your Enemy - the Current Threat and Vulnerability Landscape, Security Bugs and Vulnerabilities - The Vulnerability Landscape, Malware, viruses, rootkits and RATs
Spyware, Adware, Scareware, PUPs & Browser hijacking, Phishing, Vishing and SMShing, Spamming & Doxing, Security services, Policy, Mechanism, and Standards, and the basic principles and steps of System development. Besides, because of covering the most basic and advanced network and computer security issues, policies, and principles in easy way, it can help you to create an awareness how to use an internet and how to protect your physical as well as logical assets.
IP address is a logical address defined at the network layer that is used by devices to communicate on an IP network. IP addresses are 32 bits in length and are allocated by IANA. As the internet grew, concerns arose around exhausting the available IP version 4 address space and increasing routing table sizes. Subnetting was introduced to help address these issues by adding a third level to the IP address hierarchy. Network address translation allows private IP addresses to be used internally and mapped to public IP addresses when communicating externally, further conserving the available IP address space.
This document provides an overview of computer networking and the OSI model. It discusses how the OSI model was developed to facilitate worldwide data communication through its 7-layer architecture. It then describes each layer of the OSI model in detail, including the physical, data link, network, transport, session, presentation and application layers. It also discusses Ethernet standards, topologies like bus, star and tree, and elements of an Ethernet network such as DTE, DCE, and the functions of the Ethernet MAC layer.
Data Link Layer Terms and Services such as frame, node, medium.
Creating a frame.
Data Link Layer sublayers: Logical Link Control and Media Access Control.
Media Access control methods for both of shared and non-sahred media.
Physical Topology: is an arrangement of the nodes and the physical connections between them.
Logical Topology: is the way a network transfers frames from one node to the next.
Data link layer addressing requirements.
Ethernet Protocol for LANs, Point-to-Point Protocol for WANs and Wireless Protocol for LANs.
This document provides an overview and summary of the key components of the HPE Security ArcSight ESM solution:
- The ArcSight Manager receives event data from SmartConnectors and stores the data in the integrated CORR-Engine storage system. It also provides correlation, reporting, and administrative capabilities.
- The CORR-Engine is a high-performance storage and retrieval engine that allows the system to ingest events at high rates and perform fast searches.
- The ArcSight Console provides a user interface for administrative tasks like rules creation and user management.
- SmartConnectors forward security events from devices and systems to the ArcSight Manager.
- The ArcSight Command Center
This document provides an overview of IP security (IPsec) and its applications. It discusses:
- The origins and goals of IPsec in providing authentication and encryption in IPv6.
- How IPsec can be used to encrypt data, secure router communications, and authenticate senders.
- Examples of IPsec applications like virtual private networks and remote access.
- The benefits of IPsec like its transparency to applications and ability to secure all network traffic.
- How IPsec services like authentication, integrity, confidentiality are provided using AH and ESP protocols.
- Key concepts of IPsec including security associations, security policy databases, and the processing of outbound and inbound packets.
- Specific protocols like ESP
This Solution Guide describes best practices for implementing an Aruba 802.11 wireless network that supports thousands of highly mobile devices (HMDs) such as Wi-Fi phones, handheld scanning terminals, voice badges, and computers mounted to vehicles. It describes the design principles particular to keeping devices that are in constant motion connected to the network as well as best practices for configuring Aruba Networks controllers and the mobile devices. The comprehensive guide addresses six areas of network planning to ensure a high quality of service for roaming data and voice sessions: device configuration, airtime optimization, roaming optimization, IP mobility configuration, IP multicast configuration, and interference resistance. A detailed troubleshooting section covers common issues that arise with these types of WLANs.
To learn more, visit us at http://www.arubanetworks.com/wlan. Join the discussion at https://community.arubanetworks.com
In this presentation, we will cover an overview of ArubaOS 8.x Licensing from Supported/ Unsupported Topology to Server Failover behaviour and license generation and transfer.
Check out the webinar recording where this presentation was used: http://community.arubanetworks.com/t5/Wireless-Access/Technical-Webinar-Recording-Slides-How-Licensing-works-in/td-p/306162
The document discusses IP addressing basics including MAC addresses, IP addresses, private and public IP addresses, and subnetting. It provides examples of MAC addresses, ifconfig output showing MAC and IP addresses, private IP address ranges, and how to break up a Class C network into multiple subnets using subnet masks.
CCNA 200-301 Chapter 1-Introduction to TCP IP Networking.pptxBabarYunus1
The document provides an overview of TCP/IP networking and the OSI model. It discusses the TCP/IP networking model including the layers and example protocols. It also compares the TCP/IP model to the OSI networking model, defining each of the OSI layers and providing example protocols and devices. It describes data encapsulation in TCP/IP and the perspective on data in the different layers.
The document discusses the importance of documenting network designs, whether in response to a customer's request for proposal (RFP) or independently. It recommends that an RFP response follow the specified format and include topics like the design, implementation plan, pricing and qualifications. For independent documentation, it suggests including an executive summary, requirements, current/proposed designs, implementation plan and budget. Typical sections of a design document are executive summary, requirements, logical/physical designs, implementation plan and budget. Possible appendixes provide supplementary details.
The document discusses routing protocols and summarizes:
- It differentiates between nonroutable, routed, and routing protocols and describes common examples like NetBEUI and TCP/IP.
- It explains interior and exterior gateway protocols and the two types of interior gateway protocols: distance-vector and link-state routing protocols.
- It provides details on RIP, a common distance-vector protocol, including how to enable and configure it.
This document discusses the 11 phases of the 802.1x authentication process for wireless connections:
1. The wireless client scans for access points and associates with one.
2. The access point forwards an access request to the RADIUS server to begin authentication.
3. The client and server negotiate an EAP authentication method and the client is authenticated.
4. If authentication succeeds, the server authorizes network access for the client and sends an acceptance.
5. The client is then allowed access through the now-open 802.1x port and can request a DHCP address.
WPA2 is the latest security standard for Wi-Fi networks. It uses AES encryption and 802.1X/EAP authentication to securely transmit data between wireless devices and access points. The four phase process establishes a secure communication context through agreeing on security policies, generating a master key, creating temporary keys, and using the keys to encrypt transmissions. WPA2 provides stronger security than previous standards like WEP and WPA through more robust encryption and authentication methods.
This document discusses types of network addresses and internet address classes. It contains the following key points:
- There are 32-bit global internet addresses that include network and host identifiers in dotted decimal notation like 192.228.17.57.
- Internet addresses have application, network, and data link layers with examples provided.
- InterNIC is responsible for network layer IP addresses and application layer domain names.
- There are five classes of internet addresses - Classes A, B, and C are available to organizations, while Classes D and E are reserved for special purposes.
- Class A addresses start with 1-126 and allow for 16 million addresses. Class B starts with 128-191 allowing 65
This document provides guidance on using the command line interface (CLI) for Aruba Instant. It describes how to enable SSH access to the CLI through the Instant UI. Once connected via SSH, the CLI session starts in privileged mode, where show, clear, ping and other commands are available. Configuration commands require entering configuration mode using the configure terminal command. The CLI supports scripting through various sub-modes to configure interfaces, SSIDs, rules, and security settings. Help is available using the question mark command.
This short document highlights a photo taken at the Idaho National Laboratory and encourages the reader to create their own presentation using Haiku Deck on SlideShare. It provides inspiration to get started making presentations.
Katalog produktów w MongoDB na przykładzie Nokaut.plPiotr Duda
Podsumowanie 5 lat MongoDB w Nokaut.pl:
- dlaczego zostało wybrane MongoDB,
- konfiguracja klastra,
- kwestie administracyjne (monitoring, alerty, backup),
- szukanie wolnych zapytań,
- uwagi do wydajności,
- co jest według Nas dobre i a co złe w MongoDB
Enhance your network security by introducing Multi Factor Authentication (MFA) into new or existing use cases. New threats, risks, and vulnerabilities as well as evolving business requirements underscore to the need for a strong authentication approach based on simple service delivery, choice, and future-forward scalability. Learn how to create time, location and event driven policies to trigger new MFA workflows. Managed or unmanaged devices can be leveraged using secure MFA solutions from a variety of 3rd party providers and when combined with SSO, provides a much simpler and secure user experience versus traditional two-factor authentication methods..
This educational PPT provides Primary Goals of Network Security, The Security Trinity, Information Security, Risk Assessment, Security Models, Basic Security Terminologies, Threats, Vulnerabilities, and Attacks, Know Yourself - The Threat and Vulnerability Landscape, Privacy, Anonymity and Pseudo-anonymity, Security, Vulnerabilities, Threats and Adversaries, Know Your Enemy - the Current Threat and Vulnerability Landscape, Security Bugs and Vulnerabilities - The Vulnerability Landscape, Malware, viruses, rootkits and RATs
Spyware, Adware, Scareware, PUPs & Browser hijacking, Phishing, Vishing and SMShing, Spamming & Doxing, Security services, Policy, Mechanism, and Standards, and the basic principles and steps of System development. Besides, because of covering the most basic and advanced network and computer security issues, policies, and principles in easy way, it can help you to create an awareness how to use an internet and how to protect your physical as well as logical assets.
IP address is a logical address defined at the network layer that is used by devices to communicate on an IP network. IP addresses are 32 bits in length and are allocated by IANA. As the internet grew, concerns arose around exhausting the available IP version 4 address space and increasing routing table sizes. Subnetting was introduced to help address these issues by adding a third level to the IP address hierarchy. Network address translation allows private IP addresses to be used internally and mapped to public IP addresses when communicating externally, further conserving the available IP address space.
This document provides an overview of computer networking and the OSI model. It discusses how the OSI model was developed to facilitate worldwide data communication through its 7-layer architecture. It then describes each layer of the OSI model in detail, including the physical, data link, network, transport, session, presentation and application layers. It also discusses Ethernet standards, topologies like bus, star and tree, and elements of an Ethernet network such as DTE, DCE, and the functions of the Ethernet MAC layer.
Data Link Layer Terms and Services such as frame, node, medium.
Creating a frame.
Data Link Layer sublayers: Logical Link Control and Media Access Control.
Media Access control methods for both of shared and non-sahred media.
Physical Topology: is an arrangement of the nodes and the physical connections between them.
Logical Topology: is the way a network transfers frames from one node to the next.
Data link layer addressing requirements.
Ethernet Protocol for LANs, Point-to-Point Protocol for WANs and Wireless Protocol for LANs.
This document provides an overview and summary of the key components of the HPE Security ArcSight ESM solution:
- The ArcSight Manager receives event data from SmartConnectors and stores the data in the integrated CORR-Engine storage system. It also provides correlation, reporting, and administrative capabilities.
- The CORR-Engine is a high-performance storage and retrieval engine that allows the system to ingest events at high rates and perform fast searches.
- The ArcSight Console provides a user interface for administrative tasks like rules creation and user management.
- SmartConnectors forward security events from devices and systems to the ArcSight Manager.
- The ArcSight Command Center
This document provides an overview of IP security (IPsec) and its applications. It discusses:
- The origins and goals of IPsec in providing authentication and encryption in IPv6.
- How IPsec can be used to encrypt data, secure router communications, and authenticate senders.
- Examples of IPsec applications like virtual private networks and remote access.
- The benefits of IPsec like its transparency to applications and ability to secure all network traffic.
- How IPsec services like authentication, integrity, confidentiality are provided using AH and ESP protocols.
- Key concepts of IPsec including security associations, security policy databases, and the processing of outbound and inbound packets.
- Specific protocols like ESP
This Solution Guide describes best practices for implementing an Aruba 802.11 wireless network that supports thousands of highly mobile devices (HMDs) such as Wi-Fi phones, handheld scanning terminals, voice badges, and computers mounted to vehicles. It describes the design principles particular to keeping devices that are in constant motion connected to the network as well as best practices for configuring Aruba Networks controllers and the mobile devices. The comprehensive guide addresses six areas of network planning to ensure a high quality of service for roaming data and voice sessions: device configuration, airtime optimization, roaming optimization, IP mobility configuration, IP multicast configuration, and interference resistance. A detailed troubleshooting section covers common issues that arise with these types of WLANs.
To learn more, visit us at http://www.arubanetworks.com/wlan. Join the discussion at https://community.arubanetworks.com
In this presentation, we will cover an overview of ArubaOS 8.x Licensing from Supported/ Unsupported Topology to Server Failover behaviour and license generation and transfer.
Check out the webinar recording where this presentation was used: http://community.arubanetworks.com/t5/Wireless-Access/Technical-Webinar-Recording-Slides-How-Licensing-works-in/td-p/306162
The document discusses IP addressing basics including MAC addresses, IP addresses, private and public IP addresses, and subnetting. It provides examples of MAC addresses, ifconfig output showing MAC and IP addresses, private IP address ranges, and how to break up a Class C network into multiple subnets using subnet masks.
CCNA 200-301 Chapter 1-Introduction to TCP IP Networking.pptxBabarYunus1
The document provides an overview of TCP/IP networking and the OSI model. It discusses the TCP/IP networking model including the layers and example protocols. It also compares the TCP/IP model to the OSI networking model, defining each of the OSI layers and providing example protocols and devices. It describes data encapsulation in TCP/IP and the perspective on data in the different layers.
The document discusses the importance of documenting network designs, whether in response to a customer's request for proposal (RFP) or independently. It recommends that an RFP response follow the specified format and include topics like the design, implementation plan, pricing and qualifications. For independent documentation, it suggests including an executive summary, requirements, current/proposed designs, implementation plan and budget. Typical sections of a design document are executive summary, requirements, logical/physical designs, implementation plan and budget. Possible appendixes provide supplementary details.
The document discusses routing protocols and summarizes:
- It differentiates between nonroutable, routed, and routing protocols and describes common examples like NetBEUI and TCP/IP.
- It explains interior and exterior gateway protocols and the two types of interior gateway protocols: distance-vector and link-state routing protocols.
- It provides details on RIP, a common distance-vector protocol, including how to enable and configure it.
This document discusses the 11 phases of the 802.1x authentication process for wireless connections:
1. The wireless client scans for access points and associates with one.
2. The access point forwards an access request to the RADIUS server to begin authentication.
3. The client and server negotiate an EAP authentication method and the client is authenticated.
4. If authentication succeeds, the server authorizes network access for the client and sends an acceptance.
5. The client is then allowed access through the now-open 802.1x port and can request a DHCP address.
WPA2 is the latest security standard for Wi-Fi networks. It uses AES encryption and 802.1X/EAP authentication to securely transmit data between wireless devices and access points. The four phase process establishes a secure communication context through agreeing on security policies, generating a master key, creating temporary keys, and using the keys to encrypt transmissions. WPA2 provides stronger security than previous standards like WEP and WPA through more robust encryption and authentication methods.
This document discusses types of network addresses and internet address classes. It contains the following key points:
- There are 32-bit global internet addresses that include network and host identifiers in dotted decimal notation like 192.228.17.57.
- Internet addresses have application, network, and data link layers with examples provided.
- InterNIC is responsible for network layer IP addresses and application layer domain names.
- There are five classes of internet addresses - Classes A, B, and C are available to organizations, while Classes D and E are reserved for special purposes.
- Class A addresses start with 1-126 and allow for 16 million addresses. Class B starts with 128-191 allowing 65
This document provides guidance on using the command line interface (CLI) for Aruba Instant. It describes how to enable SSH access to the CLI through the Instant UI. Once connected via SSH, the CLI session starts in privileged mode, where show, clear, ping and other commands are available. Configuration commands require entering configuration mode using the configure terminal command. The CLI supports scripting through various sub-modes to configure interfaces, SSIDs, rules, and security settings. Help is available using the question mark command.
This short document highlights a photo taken at the Idaho National Laboratory and encourages the reader to create their own presentation using Haiku Deck on SlideShare. It provides inspiration to get started making presentations.
Katalog produktów w MongoDB na przykładzie Nokaut.plPiotr Duda
Podsumowanie 5 lat MongoDB w Nokaut.pl:
- dlaczego zostało wybrane MongoDB,
- konfiguracja klastra,
- kwestie administracyjne (monitoring, alerty, backup),
- szukanie wolnych zapytań,
- uwagi do wydajności,
- co jest według Nas dobre i a co złe w MongoDB
Society is a consulting firm with 250 employees across 13 states that provides analytics, technology, and operations services. It helps clients compete on customer experience and delivers services including digital analytics, data platforms, data science, and flexible engagements. Society works with major brands in tech, media, retail, and other industries.
1) Robert Brewer suffered a severe traumatic brain injury after being hit by a vehicle while cycling. He was treated at MedStar Washington Hospital Center by Dr. Armonda and Dr. Aulisi using specialized neuromonitoring techniques.
2) After nearly three weeks of treatment, Brewer was discharged to a rehabilitation facility and made a nearly full recovery, returning to work within 4-1/2 months.
3) The document discusses the Hospital Center's expertise in treating traumatic brain injuries and neurosurgery patients, as well as two patient stories of recovery from brain injuries and a chronic digestive condition.
This document provides a summary of research being conducted at the University of Melbourne. It discusses:
1) A world-first breakthrough where researchers extracted genes from the extinct Tasmanian Tiger and observed their function in mice, showing DNA from extinct species can be studied.
2) An examination of art and mental illness led by Dr Anthony White, looking at how art by people experiencing mental illness is understood and exploring different interpretive frameworks.
3) Research led by Dr Caron Beaton-Wells on criminalising cartel misconduct, as Australia moves towards jail sentences for price fixing, which provides an opportunity for multi-disciplinary research contributing to policy in this area.
Motorcycle accidents are a serious problem in Ho Chi Minh City, Vietnam. Over 5,100 traffic accidents occur each year, resulting in 819 deaths and 4,500 injuries. The main causes of motorcycle accidents are reckless behaviors like speeding and not wearing helmets (contributing to 70% of accidents), as well as deteriorating transportation infrastructure. Some solutions that have shown success include mandatory helmet laws that increased helmet compliance to 95%, and new transportation infrastructure like tunnels that reduced traffic jams and accidents. However, further efforts are still needed from both the government and individuals to address this issue.
Early Talent Development Whitepaper by Kwantum LeapMatthew Jurado
The document provides a summary of key findings from a year-long research study on early talent development programs. The research aimed to understand these programs better and provide insights using data analytics. Some of the major findings include:
1. The most important factor for a program's success is having a clear objective that is aligned with business strategy. The right elements can then be selected based on the objective.
2. Managers have the biggest influence on whether a program meets its objectives like satisfaction, learning, and career progression. Good on-the-job training and the end of program experience also significantly impact outcomes.
3. Program lengths vary widely by industry from less than a year to over 2 years. Industries with
At Boca Raton Movers, we will assess your needs and quote you a price that includes a cost cap limit that will by no means be exceeded. Hire Boca Raton residential movers or commercial mover’s skilled team for 100% service satisfaction. http://goo.gl/L6c9Qx
Pillar III presentation 11 18-14 - redacted versionBenjamin Huston
This document provides a summary of a proposed market-based indicators approach to stress testing for the United States. It includes the following key points:
1) The approach uses market prices and indicators derived from contingent claims analysis, network analysis, and other methods to conduct stress tests on financial and non-financial sectors. This helps address data limitations and allows for a broader scope than traditional supervisory stress tests.
2) A systemic risk dashboard would analyze risks using various metrics like SRISK and CoVaR. Contingent claims analysis would provide outputs like default probabilities, expected losses, and capital shortfalls under different scenarios.
3) Network analysis and interconnectedness measures would capture potential domestic and international spill-over
The Casino Bellagio in Las Vegas is one of the best and most elegant casinos, having won several awards. It offers classic blackjack and poker games as well as over 2,000 slot machines. The Bellagio also has a botanical garden and art museum. Another major attraction in Las Vegas is the Mirage volcano which erupts every hour at night, throwing fireballs over 4 meters high along with recorded volcanic sounds. The Venetian mall has canals with gondolas, national brand stores, designer boutiques, and hosts live events. Las Vegas is also home to world-class chefs and restaurants offering lobster, steak, and other signature dishes.
This document provides an annual report for Peninsula Health for the 2015-2016 financial year. It includes key statistics and facts about the services provided by Peninsula Health including: over 235 babies born per month, over 95,000 visits to emergency departments, and over 800 volunteers. It summarizes the major projects undertaken in the last year including opening new facilities and beginning upgrades to existing buildings. It also outlines the strategic priorities and financial position of Peninsula Health.
The document provides information about OpenOffice 4.1.1, including that it is free to use for any purpose, details how to get involved in the Apache OpenOffice community, and provides notes on installation and known issues.
The document summarizes the early stages of developing a magazine front cover in Photoshop. Key steps included:
1) Quick selecting a face from a photo and placing it on a new layer to position the masthead in the center at the top of the cover.
2) Adding and moving elements like a barcode and cover lines announcing stories to highlight content and attract an audience.
3) Experimenting with different color schemes and fonts, eventually choosing a bright red and adding borders to make text more noticeable against the white background.
Good Fortune II Weekly Update Feb 24thAndrew Anger
The document provides a weekly update from the Conservancy of Southwest Florida including:
- Sightings of wildlife such as eagles, herons, ibis, dolphins and an alligator spotted on recent outings.
- One eaglet has fledged from the nest while the adults remain.
- Smaller numbers of noisy fish crows have been seen this season.
- A recent sunset cruise brought in guests from several states who initially worried it was too cold but then saw birds flying in by the dozens at Rookery Bay.
IEEE Standard for Underground Type,
Self-Cooled, Single-Phase, Distribution
Transformers with Separable Insulated
High-Voltage Connectors; High Voltage
25 000 V and Below; Low Voltage 600 V
and Below; 167 kVA and Smaller
This document presents guidelines for protecting industrial and commercial power systems. It discusses principles of system protection and coordination, and selection of protective devices. The document is intended to help with both new system design and upgrades to existing systems. It provides information on short-circuit calculations, instrument transformers, protective relays, fuses, and other components to minimize damage from faults while maintaining operation of unaffected portions of the system. The document was approved as an American National Standard by the IEEE in 2001 with contributions from various industry experts and organizations.
This document presents guidelines for protecting industrial and commercial power systems. It discusses principles of system protection and coordination, and selection of protective devices. The document is intended to help with both new system design and upgrades to existing systems. It provides information on short-circuit calculations, instrument transformers, protective relays, fuses, and other components to minimize damage from faults while maintaining operation of unaffected parts of the system. The document was approved as an American National Standard by the IEEE in 2001 with contributions from various industry experts and organizations.
This document provides standards for overhead, pad-mounted, dry vault, and submersible automatic circuit reclosers and fault interrupters for alternating current systems up to 38 kV. It specifies required definitions, ratings, procedures for design and production tests, and construction requirements. The standards cover topics such as rated voltages, currents, temperature limits, insulation testing procedures, switching test procedures, and partial discharge testing. It is a revision of IEEE Std C37.60-1981, incorporating changes to reflect advances in recloser technology and expand the standards to include gas-insulated reclosers.
This document provides guidelines for interpreting gases generated in oil-immersed transformers. It details procedures for analyzing gas samples from transformers, including calibrating field instruments to detect combustible gases. The document also describes using fixed instruments to determine gas quantities and obtaining samples for laboratory analysis to identify individual gases extracted from transformer oil. It aims to help operators evaluate transformer serviceability based on the gas analysis results. An extensive bibliography on gas evolution, detection, and interpretation is also included.
IEEE Standard for Underground Type,
Self-Cooled, Single-Phase, Distribution
Transformers with Separable Insulated
High-Voltage Connectors; High Voltage
25 000 V and Below; Low Voltage 600 V
and Below; 167 kVA and Smaller
IEEE Guide for the Application and Interpretation of FRA for oil TransformerAHMED MOHAMED HEGAB
This document provides guidelines for performing frequency response analysis (FRA) on oil-immersed power transformers. It covers instrumentation requirements, test procedures, data analysis techniques, and recommendations for long-term data storage. FRA involves measuring a transformer's impedance and admittance characteristics over a range of frequencies to identify resonances that could lead to failures. The guidelines aim to standardize the FRA process for consistent evaluation of transformer condition and performance.
This document presents an IEEE standard for the electronic reporting of transformer test data. It defines requirements for test data content, format, and transfer methods to standardize how transformer test results are electronically communicated. The standard data set includes key information like test measurements, while an extended set provides additional optional data. Data files should be in a flat file or comma-delimited format and may be transferred by mail or telecommunications. The standard aims to reduce costs for producers and users by establishing consistency in electronic reporting of transformer performance test results.
This document summarizes the IEEE standard for general requirements for liquid-immersed distribution, power, and regulating transformers. It outlines electrical and mechanical requirements for these types of transformers. The standard applies to single-phase and polyphase transformers with voltages of 601 V or higher. It provides a basis for establishing performance requirements and limited interchangeability of covered equipment to assist in proper selection. Certain transformer types are excluded from the standard's requirements.
This document summarizes IEEE Standard C37.20.2-1999, which provides requirements and guidelines for metal-clad medium-voltage switchgear containing drawout circuit breakers. Metal-clad switchgear compartments isolate all components like instrumentation, main bus, and connections using grounded metal barriers. It covers ratings from 4.76 kV to 38 kV, with main bus ratings of 1200 A, 2000 A, and 3000 A. The standard discusses service conditions, ratings, insulation requirements, test procedures, and applications for metal-clad switchgear.
This document is the IEEE guide for safety in AC substation grounding. It provides guidelines and recommendations for properly grounding outdoor AC substations to protect personnel from electric shock. The guide covers distribution, transmission and generating plant substations. It describes the safety concerns around electric currents and voltages in substations and defines tolerable limits. It also discusses criteria for substation grounding system design, including selection of grounding conductors and electrodes, evaluation of soil characteristics, calculation of ground resistance and fault currents, and determination of touch and step voltages. The purpose is to help ensure substation grounding systems are designed to limit hazards and provide adequate protection for personnel safety.
This document provides a 3 sentence summary of the IEEE Guide for Safety in AC Substation Grounding:
The guide concerns grounding practices for outdoor alternating current substations, including distribution, transmission, and generating plant substations. It describes proper grounding methods to help ensure safety in substation design and operation. The guide was developed by the IEEE Power and Energy Society's Substations Committee and is intended to provide guidance, rather than quantitative analysis, on safety issues related to substation grounding.
This document is IEEE Std C57.12.00-1993, which provides general requirements for liquid-immersed distribution, power, and regulating transformers. It sets forth electrical, mechanical, and safety requirements for these types of transformers. The standard is intended to establish performance, limited interchangeability, and safety requirements for the equipment. It applies to liquid-immersed transformers except for specific excluded types like instrument transformers. The document provides definitions, references, requirements for service conditions, ratings, insulation levels, temperature rise, nameplates, construction details, and test procedures.
This document provides an overview and guidelines for insulation coordination of AC power systems above 1 kV. It discusses voltage stresses that can occur on electrical equipment, insulation strength considerations, performance reliability criteria, insulation coordination design procedures for various overvoltage types, and final selection of insulation levels. The document contains practical examples to illustrate insulation coordination principles and is intended to provide guidance for determining withstand voltages for air-insulated AC systems.
This document provides a guide for loading 65°C rise mineral-oil-immersed distribution and power transformers. It combines and replaces three previous guides on loading different types of transformers. The guide provides general recommendations and equations for calculating transformer loading and temperatures during overloads. It aims to accurately determine safe loading levels based on specific transformer characteristics.
This document discusses standards and standardization organizations that are important in data communication. It explains the standardization process and the importance of standards in enabling interoperability. Some key standards organizations discussed include ISO, ITU, IEEE, EIA, IETF, IAB and IANA. The document also provides an overview of the OSI reference model and its seven-layer architecture.
1. IEEE Std 802.1D™- 2004
(Revision of IEEE Std 802.1D-1998)
IEEEStandards
802.1DTM
IEEE Standard for
Local and metropolitan area networks
Media Access Control (MAC) Bridges
3 Park Avenue, New York, NY 10016-5997, USA
IEEE Computer Society
Sponsored by the
LAN/MAN Standards Committee
IEEEStandards
9 June 2004
Print: SH95213
PDF: SS95213
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