Device & Types of Networking
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Computer networking connects computers together to allow communication and data sharing. There are several networking devices used including hubs, switches, routers, and cables. Hubs connect computers but broadcast all data to every connected computer. Switches are more intelligent and efficient than hubs by identifying the destination of data. Routers direct data between different networks by reading information to determine the destination and passing data to other routers if needed. There are different types of computer networks including LANs, MANs, and WANs which connect devices over various distances from a single building to an entire continent.
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Computer networking devices
This document discusses various networking devices used to connect electronic devices and share resources in a computer network. It describes network interface cards (NICs) that provide the physical interface between a computer and cabling. It also covers repeaters that regenerate signals to extend distances, modems that modulate and demodulate signals for internet connections, hubs and switches that connect multiple devices either by broadcasting or selectively forwarding, bridges that segment networks while filtering traffic, and routers that intelligently connect different network types and choose optimal paths between them. The document provides details on the function and layer (physical, data link, network) of operation for each type of networking device.
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This document defines and describes several common computer networking devices. It explains that network interface cards allow computers to connect to networks by providing a physical connection and MAC address. Hubs broadcast all data to all ports, while switches only send data to the targeted port, improving efficiency. Bridges separate traffic on connected network segments. Routers connect dissimilar networks and make routing decisions. Gateways convert between data formats. Repeaters receive and retransmit signals to extend range. Modems convert digital data to analog signals for telephone line transmission. Media converters connect different cabling types. Wireless access points provide connections to wireless networks.
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A computer network allows devices to exchange data via physical connections like cables or wirelessly. The document defines different types of networks based on size and coverage area: personal area networks covering 10 meters; local area networks connecting devices within an office or home; metropolitan area networks spanning a city; and wide area networks covering large geographic areas like countries or continents using various transmission methods. The network architecture can be client-server, with one central server providing services, peer-to-peer with any node capable of requesting/providing services, or a hybrid of the two approaches. Network topology refers to how nodes interconnect, with examples given as bus, star, ring, mesh, tree, and hybrid configurations.
LAN (Local Area Network)
A LAN is a group of computers and devices connected together over a small area through high-speed, relatively inexpensive connections like Ethernet. A MAN connects multiple nearby LANs over an area of a few dozen kilometers, while a WAN connects networks across larger geographic areas like countries. Wired connections offer faster speeds than wireless but require Ethernet cables, while Wi-Fi is more convenient but can have interference issues. LANs are used to share resources, communicate, and ensure access to information for specified groups. Key LAN components include cables, servers, workstations, and hubs or switches. Common LAN topologies include bus, ring, star, tree and hybrid configurations.
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LAN (Local Area Network)
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1) A computer network connects computers together to share resources like printers, files, and internet connections. Networks can be local-area networks within a building or wide-area networks spanning cities.
2) Common network topologies include star, bus, ring, tree and mesh. Star networks connect devices to a central hub while bus networks use a common backbone cable. Ring networks transmit messages in one direction around a closed loop.
3) Computer networks allow for resource sharing, improved communication and availability of information, though they also present security risks and require maintenance of hardware and software.
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Networking devices
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- Networks can be classified by scale, structure, and topology. Examples include LANs, WANs, MANs, and topologies like bus, star, ring, mesh, and tree.
- Network components include nodes, servers, clients, and different types of transmission media like twisted pair cable, coaxial cable, fiber optic cable, and wireless.
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A Network Of Networks For Slide Share
Learning Outcomes
A Network of Networks
Internet
Define Computer Networks
Define Communication
State Importance of Computer network and communication
Network classification
Types of networks
Comparison of different networks
TCP/IP
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Internet
A network formed by the co-operative interconnection of a large no. of computer networks.
Since Internet is formed by the interconnection of no. of networks, sometimes its also called as network of networks
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Networking devices
Networking devices are components that connect electronic devices and allow them to share resources over a network. Common networking devices include network interface cards, hubs, switches, bridges, routers, and modems. A switch connects network segments and can perform error checking before forwarding data packets between devices on a local area network. A router connects two or more networks and reads address information in packets to determine the best path to forward packets between networks. Routers work at the network layer and contain routing tables to define the addresses of connected networks.
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2) Common network topologies include star, bus, ring, tree and mesh. Star networks connect devices to a central hub while bus networks use a common backbone cable. Ring networks transmit messages in one direction around a closed loop.
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Networking devices
A network adapter, also called a network interface card (NIC), enables a computer to connect to a network and transfer data. There are wired and wireless NICs. Wired NICs use cables while wireless NICs use radio waves. Modern laptops have both wired and wireless NICs. NIC speeds can be 10Mbps, 100Mbps, 1000Mbps or higher but the actual speed depends on the network switch speed.
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This document provides information about computer networking including definitions, components, types, and concepts. It defines a computer network as two or more connected computers that allow people to share files, printers, and other resources. There are two main types of networks based on architecture: client-server networks with a dedicated server and peer-to-peer networks without hierarchy. Other key topics covered include network topologies (bus, star, ring, etc.), transmission media (guided, unguided), protocols, and modes of communication (simplex, half-duplex, full-duplex).
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A network is a collection of connected computers and devices that share resources and information. The earliest computer network was ARPANET, developed by ARPA for the US Department of Defense in the late 1960s. Networks allow for speeding up work, sharing data across large distances without physical transfer, and modern communication like email, chat, and videoconferencing. Common network devices include network cards, cables like twisted pair and coaxial, switches, routers, and wireless technologies like radio and infrared. Networks can be configured in various topologies like bus, ring, star, and in peer-to-peer or client-server models. An intranet uses internet technologies privately within an organization to securely share information.
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- Networks can be classified by scale, structure, and topology. Examples include LANs, WANs, MANs, and topologies like bus, star, ring, mesh, and tree.
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Networking devices connect electronic devices together to share files and resources. They include routers, hubs, switches, bridges, gateways, and network interface cards. Routers direct network traffic and route information between local area networks. Hubs connect devices physically but copy all data to every port. Switches intelligently send data only to the destination port, unlike hubs. Bridges connect networks using the same protocol, while gateways allow communication across different networks using protocols. Network interface cards provide the physical connection between a computer and the network.
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A computer network connects computers together to share resources and exchange information. The main types of computer networks are personal area networks (PANs), local area networks (LANs), metropolitan area networks (MANs), and wide area networks (WANs). LANs are commonly used within offices and buildings to share printers and files between connected computers. WANs extend across broader areas like cities or countries using transmission lines and routers to connect distant LANs and allow communication between nonlocal computers. Common network hardware includes network interface cards, switches, routers, hubs, and gateways.
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A computer network connects multiple computers together to share resources and information. There are several types of computer networks including local area networks (LANs) which connect computers in a small physical area like a home or office, wide area networks (WANs) which connect LANs across cities and countries, and metropolitan area networks (MANs) which connect networks across a larger region like a city. Common network topologies include star, ring, bus, and tree networks which determine how the connected computers communicate with each other.
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1) Transmission Media
2) How Network Categorized
3) Different type of Networks
4) OSI Model of Network
5) Ethernet Cabling.
Networking devices
Networking devices connect electronic devices together to share resources and include devices like hubs, switches, routers, and network interface cards. A repeater receives and retransmits signals to extend range without degradation and works at the physical layer. A hub is a multiport repeater that connects multiple wires in a star topology. A bridge connects two networks and works at the data link layer, maintaining a MAC address table to selectively forward data. A switch is an efficient, multi-port bridge that can check for errors and selectively forward packets to the correct port. A router routes packets based on IP addresses and connects LANs and WANs at the network layer.
A Network Of Networks For Slide Share
Learning Outcomes
A Network of Networks
Internet
Define Computer Networks
Define Communication
State Importance of Computer network and communication
Network classification
Types of networks
Comparison of different networks
TCP/IP
Hypertext Transfer Protocol
Internet
A network formed by the co-operative interconnection of a large no. of computer networks.
Since Internet is formed by the interconnection of no. of networks, sometimes its also called as network of networks
Wide Area Network (WAN)
Wide Area Network (WAN) connects local area networks (LANs) over long distances using technologies like leased lines, DSL, frame relay, or VPNs. A WAN spans a larger geographic area than a LAN and uses networking devices like routers, switches, and modems. Common WAN technologies include leased lines, DSL, frame relay, cable internet, and SONET. WANs provide connectivity between LANs but usually at slower speeds and lower bandwidth compared to LANs. Security measures for WANs include firewalls, VPNs, and antivirus filtering.
basic networking
The document provides an overview of basic networking hardware and concepts. It defines a local area network (LAN) and discusses common LAN topologies like bus, star, and ring. It also describes common networking hardware such as hubs, switches, bridges, routers, and network interface cards. The document outlines different network media including copper, fiber optic, and wireless technologies. It provides examples of how home and business networks can be implemented using these concepts and technologies.
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This presentation deals with the network classifications based on topologies, scale, architecture and transmission technology.
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Computer networks allow computers to be connected and share information. They are used for communication, sharing devices and files, and accessing information remotely. The goals of computer networks are to share resources between computers, ensure performance and reliability, increase scalability, and provide security. Computer networks use hardware like network interface cards, servers, routers, and cables to transmit data and software like network operating systems and protocols to facilitate communication. Early computer networks included ARPANET, which served as the basis for the modern Internet.
Network devices.pptx
Network devices allow communication between hardware in a computer network. The main network devices include hubs, switches, routers, bridges, gateways, modems, and repeaters. Hubs connect multiple devices on a local area network but don't filter collisions. Switches are more advanced and can selectively forward packets to the correct port. Routers connect different networks and manage traffic between them. Bridges and gateways also connect networks but at the data link and network layers, respectively. Modems convert digital signals to analog for transmission and vice versa. Repeaters amplify signals so they can travel longer distances.
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Network Communication:
Flow of information among the group of members is communication network. Network helps
managers to establish contacts in different patterns through communication flows.The network
depends upon the magnitude of the organisation, nature of communication channels in the
organisation and the number of persons involved in the process.There can be many patterns
of communication network.
Function of Communication devices:
The functions of communication networks include:
*Providing the means for coordinating the activities of individuals, relationships, groups and
other subunits within the organization.
*Providing mechanisms for directing the activities of the organization as a whole.
*Facilitating the exchange of information within the organization, and Ensuring the flow of
information between the organization and the external environment in which it exists.
Following are the different network communication devices:
• NIC Adapters: NIC is Network Interface Card; this is the most important device in building
network.These adapters are the most common part of computers which are used in our
homes and offices.Nic is also referred to LAN, i.e. is Local area network card.
• Routers: Router is intelligent device which routes data to destination computers. It helps in
connecting two different logical and physical networks together. In small network server is
connected to router along with clients for communication.
• Hubs: If we talk about networks on larger scale hub(s) are required to build network. All
computers are connected directly to the hub as hub performs as centralized device the
network. When data is sent to the hub it broadcasts the data to all the ports of the hub and
then it is sent to destination computer on the network
• Switches: Switch is another important device when we talk about computer network on
broader
spectrum.It is used at the same place as hub is but the only difference between the two is that
switch possess switching table with in it. Switching tables store the MAC addresses of every
computer it is connected.
• Gateways: As name suggests it some kind of passing through to some thing. Interestingly
gateways can be software or it can also be device. Gateway device connects LAN with internet.
Its basic functionality is to provide security to the network
• Networking Cables: Cables are obviously used to connect communication devices with each
other to form network. There different types of cables, commonly used cables are
10baseT/CAT5,
coaxial cable, Ethernet and fiber optical cable. Fiber optical is the most expensive as it enables
the data transfer at speed of light.
Solution
Network Communication:
Flow of information among the group of members is communication network. Network helps
managers to establish contacts in different patterns through communication flows.The network
depends upon the magnitude of the organisation, nature of communication channels in the
organisation and the number of persons involve.
Network Hardware And Software
Network interface cards connect computers to the network and differentiate networked computers from standalone computers. Hubs connect multiple devices but have no intelligence to direct traffic. Switches inspect packets and forward them only to the intended device, improving performance over hubs. Bridges segment large networks and monitor traffic to pass packets between the two sides. Routers select the best path for messages and can redirect traffic around busy sections. Gateways connect networks using different protocols by performing protocol conversions. Modems convert digital data to analog for telephone lines and provide connectivity to the Internet for small-to-medium networks.
Dotson - Network Tutorial
This document provides an overview of computer networking basics for teachers. It defines what a network is as two or more connected computers that share information. Networks can range in size from a local area network (LAN) within an office or home to a wide area network (WAN) connecting multiple LANs together. The document discusses key networking components like protocols, topology, hardware, and cabling that allow devices to communicate on a network and exchange information. It provides examples of different network configurations and concludes that computer networks facilitate communication, sharing of hardware and files, running applications remotely, and more.
Networking Concepts.pdf
This document provides an overview of basic networking concepts. It defines a computer network and provides examples. It discusses the advantages of networking such as file sharing, resource sharing, communication and flexible access. It also describes networking components like network cards, cables, modems and hubs/switches. It outlines different types of networks including LAN, MAN, WAN and PAN. It explains network architectures like peer-to-peer and client-server. It defines common network topologies such as point-to-point, bus, star, ring, tree and mesh. Finally, it discusses network security and the importance of authorization and authentication.
Networking concepts
it contains computer network definition & it's examples,advantages of networking,types of network,network architecture,network topologies and network security.
Computer network
A computer network allows devices to connect and exchange data either through cables or wirelessly. Network nodes include devices that originate, route, and terminate data transmission like servers, personal computers, and networking hardware. Different types of computer networks exist like personal area networks for communication among nearby devices, local area networks for connecting devices within a home or office, and wide area networks for linking local and metropolitan networks across broad areas.
Network hardware devices
This document provides an overview of common network hardware components, including network interface cards (NICs), hubs, switches, bridges, routers, gateways, and modems. NICs connect computers to the network, while hubs and switches connect multiple devices but switches have more intelligence. Bridges segment networks and routers select the best path between networks. Gateways connect different network types and protocols. Modems convert digital data to analog for transmission over telephone lines.
Computer networking-revised
A computer network connects electronic devices through wireless or wired connections, allowing sharing of resources. Networks can be as simple as two computers sharing files or as large as networks spanning schools and businesses with thousands of devices. Larger networks are made up of local area networks (LANs) within individual buildings connected by wide area networks (WANs) spanning multiple locations. Network software provides communication protocols to allow all devices to interconnect and share resources, while routers, switches, servers and other hardware direct traffic and sharing.
Computer Networking.pptx
Concept of computer networking explained in details.
Network Topology, Types of network, Networking Architecture, Network Terminologies and many more
Lesson 1 introduction
The document provides an introduction to computer networks including:
- The origins of computer networks dating back to the 1950s and 1960s with mainframe-based networks.
- Definitions of a computer network as the interconnection of computer systems for sharing information and resources.
- Examples of different types of networks including LAN, MAN, WAN.
- Goals of computer networks such as resource sharing, improved performance, high reliability, and cost reduction.
- Hardware and software components including hubs, switches, routers, modems, servers, protocols, and cable types.
Assignment 1,computer networks-317
This document provides an overview of computer networks and distributed systems. It defines a computer network as a set of devices connected by communication links that allow the exchange of information. A distributed system is a collection of independent computers that appear as a single system to users. The goals of networking are discussed as performance, reliability, security, resource sharing, cost reduction, and enabling communication. Peer-to-peer and client-server are presented as the main approaches for communication within a network. Finally, common network hardware such as nodes, network interface cards, hubs, switches, repeaters, and routers are defined.
Computer Network Second Edition
ARPANET was the first wide-area packet switching network developed in the late 1960s under the US Advanced Research Projects Agency (ARPA). It served as the basis for today's internet by linking computers located at Pentagon-funded research institutions. A computer network connects computers together to allow for sharing of resources like files, printers or internet access. The main types of computer networks are LAN, PAN, MAN and WAN, which differ based on the maximum distance they can connect and examples of each are provided.
Lakshmi INTERNET.pptx
The document provides an overview of the history and components of the Internet. It discusses how the Internet originated from separate computer networks established by the US government in the 1960s to share information. The networks eventually merged and adopted common communication protocols, marking the birth of the Internet in 1983. The key components that enable the functionality of the Internet are packets, which break up data for transmission, and protocols, which allow different systems to communicate. The document also outlines several hardware components that make up networks, including modems, routers, firewalls, hubs, switches, and wireless access points.
Types of communication networks
The document discusses the history and evolution of computer networks from early standalone computers in the 1970s-80s to today's internet-connected world. It describes how the ARPANET in 1969 first linked two computers, pioneering network technology. Over time, networks expanded to connect people globally through the internet. The document then defines what a computer network is, describing the basic requirements of at least two connected computers, servers, clients, networking hardware and software. It also outlines common network types including LAN, WAN, VPN, MAN and CAN, as well as network topologies like star, bus, ring and tree configurations. Finally, it introduces the ISO/OSI 7-layer model for standardizing network communication.
Network devices
This document defines and compares common networking devices and terms. It discusses hubs, switches, routers, bridges, gateways, network interface cards (NICs), and modems. Hubs are basic devices that connect networked devices but do not monitor traffic or activity. Switches are more intelligent devices that can direct traffic to specific ports. Routers connect different networks and use routing tables to determine the best path for traffic. Bridges and gateways also connect different networks using different protocols.
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Memory
Volatile memory, such as RAM, is temporary and loses data when power is lost, while non-volatile memory like ROM permanently stores data even without power. Computer memory is divided into primary memory (RAM and ROM) and secondary memory (punch cards, magnetic tapes, floppy disks). Primary memory is directly accessible for processing while secondary memory requires data to be transferred to primary memory first. Common forms of secondary memory discussed are punch cards, magnetic tapes, and floppy disks, along with brief descriptions of each.
history & ages of computer
- The document traces the history of computing from early counting methods like the abacus to modern computers. It outlines three ages of computing: the Dark Age from 3000 BC to 1890 which included early counting devices, the Middle Age from 1890 to 1944 which saw the development of mechanical calculators and punch card systems, and the Modern Age since 1944 which brought electronic stored-program computers like ENIAC, the first general-purpose electronic computer. Key individuals and their inventions throughout computing history are also mentioned such as Charles Babbage, Herman Hollerith, John von Neumann, and the first commercial computer, UNIVAC.
Input & Output Devices
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Classification of computer
Computers can be classified in several ways, including by purpose and by size or capacity. By purpose, computers are either general purpose or special purpose. General purpose computers are used commonly in homes, schools, and offices, while special purpose computers are designed for specific tasks like airplane systems or weather forecasting. Computers also vary in size and capacity, ranging from mainframe computers, which are the largest and connect smaller networks, to microcomputers used for networking in organizations, to mini computers like desktops and laptops, and supercomputers which are the fastest and most expensive used for research.
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3:国家专业人才认证中心颁发入库证书
4:这个认证书并且可以归档倒地方
5:凡事获得留信网入网的信息将会逐步更新到个人身份内，将在公安局网内查询个人身份证信息后，同步读取人才网入库信息
6:个人职称评审加20分
7:个人信誉贷款加10分→ 【关于价格问题（保证一手价格）
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◆◆◆◆◆ — — — — — — — — 【留学教育】留学归国服务中心 — — — — — -◆◆◆◆◆
【主营项目】
一.毕业证【微信：176555708】成绩单、使馆认证、教育部认证、雅思托福成绩单、学生卡等！
二.真实使馆公证(即留学回国人员证明,不成功不收费)
三.真实教育部学历学位认证（教育部存档！教育部留服网站永久可查）
四.办理各国各大学文凭(一对一专业服务,可全程监控跟踪进度)
如果您处于以下几种情况：
◇在校期间，因各种原因未能顺利毕业……拿不到官方毕业证【微信：176555708】
◇面对父母的压力，希望尽快拿到；
◇不清楚认证流程以及材料该如何准备；
◇回国时间很长，忘记办理；
◇回国马上就要找工作，办给用人单位看；
◇企事业单位必须要求办理的
◇需要报考公务员、购买免税车、落转户口
◇申请留学生创业基金
留信网认证的作用:
1:该专业认证可证明留学生真实身份
2:同时对留学生所学专业登记给予评定
3:国家专业人才认证中心颁发入库证书
4:这个认证书并且可以归档倒地方
5:凡事获得留信网入网的信息将会逐步更新到个人身份内，将在公安局网内查询个人身份证信息后，同步读取人才网入库信息
6:个人职称评审加20分
7:个人信誉贷款加10分→ 【关于价格问题（保证一手价格）
8:在国家人才网主办的国家网络招聘大会中纳入资料，供国家高端企业选择人才
选择实体注册公司办理，更放心，更安全！我们的承诺：可来公司面谈，可签订合同，会陪同客户一起到教育部认证窗口递交认证材料，客户在教育部官方认证查询网站查询到认证通过结果后付款，不成功不收费！
我们所定的价格是非常合理的，而且我们现在做得单子大多数都是代理和回头客户介绍的所以一般现在有新的单子 我给客户的都是第一手的代理价格，因为我想坦诚对待大家 不想跟大家在价格方面浪费时间
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2:同时对留学生所学专业登记给予评定
3:国家专业人才认证中心颁发入库证书
4:这个认证书并且可以归档倒地方
5:凡事获得留信网入网的信息将会逐步更新到个人身份内，将在公安局网内查询个人身份证信息后，同步读取人才网入库信息
6:个人职称评审加20分
7:个人信誉贷款加10分
8:在国家人才网主办的国家网络招聘大会中纳入资料，供国家高端企业选择人才
【关于价格问题（保证一手价格）】
我们所定的价格是非常合理的，而且我们现在做得单子大多数都是代理和回头客户介绍的所以一般现在有新的单子 我给客户的都是第一手的代理价格，因为我想坦诚对待大家 不想跟大家在价格方面浪费时间
对于老客户或者被老客户介绍过来的朋友，我们都会适当给一些优惠。
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三.真实教育部学历学位认证（教育部存档！教育部留服网站永久可查）
四.办理各国各大学文凭(一对一专业服务,可全程监控跟踪进度)
如果您处于以下几种情况：
◇在校期间，因各种原因未能顺利毕业……拿不到官方毕业证【q/微741003700】
◇面对父母的压力，希望尽快拿到；
◇不清楚认证流程以及材料该如何准备；
◇回国时间很长，忘记办理；
◇回国马上就要找工作，办给用人单位看；
◇企事业单位必须要求办理的
◇需要报考公务员、购买免税车、落转户口
◇申请留学生创业基金
留信网认证的作用:
1:该专业认证可证明留学生真实身份
2:同时对留学生所学专业登记给予评定
3:国家专业人才认证中心颁发入库证书
4:这个认证书并且可以归档倒地方
5:凡事获得留信网入网的信息将会逐步更新到个人身份内，将在公安局网内查询个人身份证信息后，同步读取人才网入库信息
6:个人职称评审加20分
7:个人信誉贷款加10分
8:在国家人才网主办的国家网络招聘大会中纳入资料，供国家高端企业选择人才
HijackLoader Evolution: Interactive Process Hollowing
CrowdStrike researchers have identified a HijackLoader (aka IDAT Loader) sample that employs sophisticated evasion techniques to enhance the complexity of the threat. HijackLoader, an increasingly popular tool among adversaries for deploying additional payloads and tooling, continues to evolve as its developers experiment and enhance its capabilities.
In their analysis of a recent HijackLoader sample, CrowdStrike researchers discovered new techniques designed to increase the defense evasion capabilities of the loader. The malware developer used a standard process hollowing technique coupled with an additional trigger that was activated by the parent process writing to a pipe. This new approach, called "Interactive Process Hollowing", has the potential to make defense evasion stealthier.
一比一原版(USYD毕业证)悉尼大学毕业证如何办理
USYD硕士毕业证成绩单【微信95270640】《如何办理悉尼大学毕业证认证》【办证Q微信95270640】《悉尼大学文凭毕业证制作》《USYD学历学位证书哪里买》办理悉尼大学学位证书扫描件、办理悉尼大学雅思证书！
国际留学归国服务中心《如何办悉尼大学毕业证认证》《USYD学位证书扫描件哪里买》实体公司，注册经营，行业标杆，精益求精！
如果您是以下情况，我们都能竭诚为您解决实际问题：【公司采用定金+余款的付款流程，以最大化保障您的利益，让您放心无忧】
1、在校期间，因各种原因未能顺利毕业，拿不到官方毕业证+微信95270640
2、面对父母的压力，希望尽快拿到悉尼大学悉尼大学毕业证offer；
3、不清楚流程以及材料该如何准备悉尼大学悉尼大学毕业证offer；
4、回国时间很长，忘记办理；
5、回国马上就要找工作，办给用人单位看；
6、企事业单位必须要求办理的；
面向美国乔治城大学毕业留学生提供以下服务:
【★悉尼大学悉尼大学毕业证offer毕业证、成绩单等全套材料，从防伪到印刷，从水印到钢印烫金，与学校100%相同】
【★真实使馆认证（留学人员回国证明），使馆存档可通过大使馆查询确认】
【★真实教育部认证，教育部存档，教育部留服网站可查】
【★真实留信认证，留信网入库存档，可查悉尼大学悉尼大学毕业证offer】
我们从事工作十余年的有着丰富经验的业务顾问，熟悉海外各国大学的学制及教育体系，并且以挂科生解决毕业材料不全问题为基础，为客户量身定制1对1方案，未能毕业的回国留学生成功搭建回国顺利发展所需的桥梁。我们一直努力以高品质的教育为起点，以诚信、专业、高效、创新作为一切的行动宗旨，始终把“诚信为主、质量为本、客户第一”作为我们全部工作的出发点和归宿点。同时为海内外留学生提供大学毕业证购买、补办成绩单及各类分数修改等服务；归国认证方面，提供《留信网入库》申请、《国外学历学位认证》申请以及真实学籍办理等服务，帮助众多莘莘学子实现了一个又一个梦想。
专业服务，请勿犹豫联系我
如果您真实毕业回国，对于学历认证无从下手，请联系我，我们免费帮您递交
诚招代理：本公司诚聘当地代理人员，如果你有业余时间，或者你有同学朋友需要，有兴趣就请联系我
你赢我赢，共创双赢
你做代理，可以帮助悉尼大学同学朋友
你做代理，可以拯救悉尼大学失足青年
你做代理，可以挽救悉尼大学一个个人才
你做代理，你将是别人人生悉尼大学的转折点
你做代理，可以改变自己，改变他人，给他人和自己一个机会过暑假的小学生快乐的日子总是过得飞快山娃尚未完全认清那几位小朋友时他们却一个接一个地回家了山娃这时才恍然发现二个月的暑假已转到了尽头他的城市生活也将划上一个不很圆满的句号了值得庆幸的是山娃早记下了他们的学校和联系方式说也奇怪在山娃离城的头一天父亲居然请假陪山娃耍了一天那一天父亲陪着山娃辗转长隆水上乐园疯了一整天水上漂流高空冲浪看大马戏大凡里面有的父亲都带着他去疯一把山娃算了算这一次足足花了老爸元很
办理毕业证(NYU毕业证)纽约大学毕业证成绩单官方原版办理
退学买【纽约大学毕业证认证】【办证微信176555708】【纽约大学文凭毕业证制作】【NYU学历学位证书哪里买】办理纽约大学学位证书扫描件、办理纽约大学雅思证书！
国际留学归国服务中心【如何办纽约大学毕业证认证】【NYU学位证书扫描件哪里买】实体公司，注册经营，行业标杆，精益求精！（留信学历认证永久存档查询）采用学校原版纸张、特殊工艺完全按照原版一比一制作（包括：隐形水印，阴影底纹，钢印LOGO烫金烫银，LOGO烫金烫银复合重叠，文字图案浮雕，激光镭射，紫外荧光，温感，复印防伪）行业标杆！精益求精，诚心合作，真诚制作！多年品质 ,按需精细制作，24小时接单,全套进口原装设备，十五年致力于帮助留学生解决难题，业务范围有加拿大、英国、澳洲、韩国、美国、新加坡，新西兰等学历材料，包您满意。
◆◆◆◆◆ — — — — — — — — 【留学教育】留学归国服务中心 — — — — — -◆◆◆◆◆
【主营项目】
一.毕业证【微信：176555708】成绩单、使馆认证、教育部认证、雅思托福成绩单、学生卡等！
二.真实使馆公证(即留学回国人员证明,不成功不收费)
三.真实教育部学历学位认证（教育部存档！教育部留服网站永久可查）
四.办理各国各大学文凭(一对一专业服务,可全程监控跟踪进度)
如果您处于以下几种情况：
◇在校期间，因各种原因未能顺利毕业……拿不到官方毕业证【微信：176555708】
◇面对父母的压力，希望尽快拿到；
◇不清楚认证流程以及材料该如何准备；
◇回国时间很长，忘记办理；
◇回国马上就要找工作，办给用人单位看；
◇企事业单位必须要求办理的
◇需要报考公务员、购买免税车、落转户口
◇申请留学生创业基金
留信网认证的作用:
1:该专业认证可证明留学生真实身份
2:同时对留学生所学专业登记给予评定
3:国家专业人才认证中心颁发入库证书
4:这个认证书并且可以归档倒地方
5:凡事获得留信网入网的信息将会逐步更新到个人身份内，将在公安局网内查询个人身份证信息后，同步读取人才网入库信息
6:个人职称评审加20分
7:个人信誉贷款加10分→ 【关于价格问题（保证一手价格）
8:在国家人才网主办的国家网络招聘大会中纳入资料，供国家高端企业选择人才
选择实体注册公司办理，更放心，更安全！我们的承诺：可来公司面谈，可签订合同，会陪同客户一起到教育部认证窗口递交认证材料，客户在教育部官方认证查询网站查询到认证通过结果后付款，不成功不收费！
我们所定的价格是非常合理的，而且我们现在做得单子大多数都是代理和回头客户介绍的所以一般现在有新的单子 我给客户的都是第一手的代理价格，因为我想坦诚对待大家 不想跟大家在价格方面浪费时间
对于老客户或者被老客户介绍过来的朋友，我们都会适当给一些优惠。
学历顾问：微信：176555708
成绩单ps(UST毕业证)圣托马斯大学毕业证成绩单快速办理
一比一原版制作UST毕业证【微信176555708】圣托马斯大学毕业证书原版↑制作圣托马斯大学学历认证文凭办理圣托马斯大学留信网认证,留学回国办理毕业证成绩单文凭学历认证【微信176555708】专业为海外学子办理毕业证成绩单、文凭制作，学历仿制，回国人员证明、做文凭，研究生、本科、硕士学历认证、留信认证、结业证、学位证书样本、美国教育部认证百分百真实存档可查】（留信学历认证永久存档查询）采用学校原版纸张、特殊工艺完全按照原版一比一制作（包括：隐形水印，阴影底纹，钢印LOGO烫金烫银，LOGO烫金烫银复合重叠，文字图案浮雕，激光镭射，紫外荧光，温感，复印防伪）行业标杆！精益求精，诚心合作，真诚制作！多年品质 ,按需精细制作，24小时接单,全套进口原装设备，十五年致力于帮助留学生解决难题，业务范围有加拿大、英国、澳洲、韩国、美国、新加坡，新西兰等学历材料，包您满意。
◆◆◆◆◆ — — — — — — — — 【留学教育】留学归国服务中心 — — — — — -◆◆◆◆◆
【主营项目】
一.毕业证【微信：176555708】成绩单、使馆认证、教育部认证、雅思托福成绩单、学生卡等！
二.真实使馆公证(即留学回国人员证明,不成功不收费)
三.真实教育部学历学位认证（教育部存档！教育部留服网站永久可查）
四.办理各国各大学文凭(一对一专业服务,可全程监控跟踪进度)
如果您处于以下几种情况：
◇在校期间，因各种原因未能顺利毕业……拿不到官方毕业证【微信：176555708】
◇面对父母的压力，希望尽快拿到；
◇不清楚认证流程以及材料该如何准备；
◇回国时间很长，忘记办理；
◇回国马上就要找工作，办给用人单位看；
◇企事业单位必须要求办理的
◇需要报考公务员、购买免税车、落转户口
◇申请留学生创业基金
留信网认证的作用:
1:该专业认证可证明留学生真实身份
2:同时对留学生所学专业登记给予评定
3:国家专业人才认证中心颁发入库证书
4:这个认证书并且可以归档倒地方
5:凡事获得留信网入网的信息将会逐步更新到个人身份内，将在公安局网内查询个人身份证信息后，同步读取人才网入库信息
6:个人职称评审加20分
7:个人信誉贷款加10分→ 【关于价格问题（保证一手价格）
8:在国家人才网主办的国家网络招聘大会中纳入资料，供国家高端企业选择人才
选择实体注册公司办理，更放心，更安全！我们的承诺：可来公司面谈，可签订合同，会陪同客户一起到教育部认证窗口递交认证材料，客户在教育部官方认证查询网站查询到认证通过结果后付款，不成功不收费！
我们所定的价格是非常合理的，而且我们现在做得单子大多数都是代理和回头客户介绍的所以一般现在有新的单子 我给客户的都是第一手的代理价格，因为我想坦诚对待大家 不想跟大家在价格方面浪费时间
对于老客户或者被老客户介绍过来的朋友，我们都会适当给一些优惠。
学历顾问：微信：176555708
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办理新西兰奥克兰大学毕业证学位证书范本原版一模一样
原版一模一样【微信：741003700 】【新西兰奥克兰大学毕业证学位证书】【微信：741003700 】学位证，留信认证（真实可查，永久存档）offer、雅思、外壳等材料/诚信可靠,可直接看成品样本，帮您解决无法毕业带来的各种难题！外壳，原版制作，诚信可靠，可直接看成品样本。行业标杆！精益求精，诚心合作，真诚制作！多年品质 ,按需精细制作，24小时接单,全套进口原装设备。十五年致力于帮助留学生解决难题，包您满意。
本公司拥有海外各大学样板无数，能完美还原海外各大学 Bachelor Diploma degree, Master Degree Diploma
1:1完美还原海外各大学毕业材料上的工艺：水印，阴影底纹，钢印LOGO烫金烫银，LOGO烫金烫银复合重叠。文字图案浮雕、激光镭射、紫外荧光、温感、复印防伪等防伪工艺。材料咨询办理、认证咨询办理请加学历顾问Q/微741003700
留信网认证的作用:
1:该专业认证可证明留学生真实身份
2:同时对留学生所学专业登记给予评定
3:国家专业人才认证中心颁发入库证书
4:这个认证书并且可以归档倒地方
5:凡事获得留信网入网的信息将会逐步更新到个人身份内，将在公安局网内查询个人身份证信息后，同步读取人才网入库信息
6:个人职称评审加20分
7:个人信誉贷款加10分
8:在国家人才网主办的国家网络招聘大会中纳入资料，供国家高端企业选择人才
快速办理(新加坡SMU毕业证书)新加坡管理大学毕业证文凭证书一模一样
学校原件一模一样【微信：741003700 】《(新加坡SMU毕业证书)新加坡管理大学毕业证文凭证书》【微信：741003700 】学位证，留信认证（真实可查，永久存档）原件一模一样纸张工艺/offer、雅思、外壳等材料/诚信可靠,可直接看成品样本，帮您解决无法毕业带来的各种难题！外壳，原版制作，诚信可靠，可直接看成品样本。行业标杆！精益求精，诚心合作，真诚制作！多年品质 ,按需精细制作，24小时接单,全套进口原装设备。十五年致力于帮助留学生解决难题，包您满意。
本公司拥有海外各大学样板无数，能完美还原。
1:1完美还原海外各大学毕业材料上的工艺：水印，阴影底纹，钢印LOGO烫金烫银，LOGO烫金烫银复合重叠。文字图案浮雕、激光镭射、紫外荧光、温感、复印防伪等防伪工艺。材料咨询办理、认证咨询办理请加学历顾问Q/微741003700
【主营项目】
一.毕业证【q微741003700】成绩单、使馆认证、教育部认证、雅思托福成绩单、学生卡等！
二.真实使馆公证(即留学回国人员证明,不成功不收费)
三.真实教育部学历学位认证（教育部存档！教育部留服网站永久可查）
四.办理各国各大学文凭(一对一专业服务,可全程监控跟踪进度)
如果您处于以下几种情况：
◇在校期间，因各种原因未能顺利毕业……拿不到官方毕业证【q/微741003700】
◇面对父母的压力，希望尽快拿到；
◇不清楚认证流程以及材料该如何准备；
◇回国时间很长，忘记办理；
◇回国马上就要找工作，办给用人单位看；
◇企事业单位必须要求办理的
◇需要报考公务员、购买免税车、落转户口
◇申请留学生创业基金
留信网认证的作用:
1:该专业认证可证明留学生真实身份
2:同时对留学生所学专业登记给予评定
3:国家专业人才认证中心颁发入库证书
4:这个认证书并且可以归档倒地方
5:凡事获得留信网入网的信息将会逐步更新到个人身份内，将在公安局网内查询个人身份证信息后，同步读取人才网入库信息
6:个人职称评审加20分
7:个人信誉贷款加10分
8:在国家人才网主办的国家网络招聘大会中纳入资料，供国家高端企业选择人才
Bengaluru Dreamin' 24 - Personal Branding
Session on Personal Branding presented at Bengaluru Dreamin
存档可查的(USC毕业证)南加利福尼亚大学毕业证成绩单制做办理
精仿办理南加利福尼亚大学毕业证成绩单（【微信176555708】）毕业证学历认证OFFER专卖国外文凭学历学位证书办理澳洲文凭|澳洲毕业证,澳洲学历认证,澳洲成绩单【微信176555708】 澳洲offer,教育部学历认证及使馆认证永久可查 ,国外毕业证|国外学历认证,国外学历文凭证书 USC毕业证，USC毕业证，USC毕业证，USC毕业证，USC毕业证，USC毕业证【微信176555708】，USC毕业证，专业为留学生办理毕业证、成绩单、使馆留学回国人员证明、教育部学历学位认证、录取通知书、Offer、（留信学历认证永久存档查询）采用学校原版纸张、特殊工艺完全按照原版一比一制作（包括：隐形水印，阴影底纹，钢印LOGO烫金烫银，LOGO烫金烫银复合重叠，文字图案浮雕，激光镭射，紫外荧光，温感，复印防伪）行业标杆！精益求精，诚心合作，真诚制作！多年品质 ,按需精细制作，24小时接单,全套进口原装设备，十五年致力于帮助留学生解决难题，业务范围有加拿大、英国、澳洲、韩国、美国、新加坡，新西兰等学历材料，包您满意。
◆◆◆◆◆ — — — — — — — — 【留学教育】留学归国服务中心 — — — — — -◆◆◆◆◆
【主营项目】
一.毕业证【微信：176555708】成绩单、使馆认证、教育部认证、雅思托福成绩单、学生卡等！
二.真实使馆公证(即留学回国人员证明,不成功不收费)
三.真实教育部学历学位认证（教育部存档！教育部留服网站永久可查）
四.办理各国各大学文凭(一对一专业服务,可全程监控跟踪进度)
如果您处于以下几种情况：
◇在校期间，因各种原因未能顺利毕业……拿不到官方毕业证【微信：176555708】
◇面对父母的压力，希望尽快拿到；
◇不清楚认证流程以及材料该如何准备；
◇回国时间很长，忘记办理；
◇回国马上就要找工作，办给用人单位看；
◇企事业单位必须要求办理的
◇需要报考公务员、购买免税车、落转户口
◇申请留学生创业基金
留信网认证的作用:
1:该专业认证可证明留学生真实身份
2:同时对留学生所学专业登记给予评定
3:国家专业人才认证中心颁发入库证书
4:这个认证书并且可以归档倒地方
5:凡事获得留信网入网的信息将会逐步更新到个人身份内，将在公安局网内查询个人身份证信息后，同步读取人才网入库信息
6:个人职称评审加20分
7:个人信誉贷款加10分→ 【关于价格问题（保证一手价格）
8:在国家人才网主办的国家网络招聘大会中纳入资料，供国家高端企业选择人才
选择实体注册公司办理，更放心，更安全！我们的承诺：可来公司面谈，可签订合同，会陪同客户一起到教育部认证窗口递交认证材料，客户在教育部官方认证查询网站查询到认证通过结果后付款，不成功不收费！
我们所定的价格是非常合理的，而且我们现在做得单子大多数都是代理和回头客户介绍的所以一般现在有新的单子 我给客户的都是第一手的代理价格，因为我想坦诚对待大家 不想跟大家在价格方面浪费时间
对于老客户或者被老客户介绍过来的朋友，我们都会适当给一些优惠。
学历顾问：微信：176555708
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Device & Types of Networking
- 1. ORION SOFT TECHNOLOGIES NETWORKING MA’M SUMAIRA SHAIKH
- 2. WHAT IS NETWORKING??? Computer networking is way to connect computer with each other. This is made so that computer can communicate, exchange data and also share resources.
- 3. NETWORKING DEVICES There are several devices used in a computer: E.G. Hub, switch, router, cables etc…
- 4. Hub is networking device, used to connect computers in a networks. Hub has sockets on it, each socket can have one connector. Data sent from any One computer comes to all attached computers.
- 5. Basic function of switch is same as that of a hub. While switch has ability to find out the destination of data. It is more efficient, intelligent, fast then network using hub.
- 6. Router is used to direct data between two networks. It read information to attached data, to find its destination. If router does not have access to the destination, it sand the data to another router.
- 7. Cables are used to connect computer and devices… Cables are different types in networking…
- 8. TYPES OF NETWORKING Networking has two or more then computers connect to each other, this computer may be in one room, one building, and one city or any where in this world. There is on geographical limit of a network. E.g. LAN, MAN, WAN
- 9. LAN LAN Is stand for local area networking, E.G. Network with in a campus. A LAN connects network devices over a relatively short distance. A networked office building, school, or home usually contains a single LAN.
- 10. MAN MAN Is stand for metropolitan area networking, E.g. Network connecting various cities. It is larger than LAN but smaller than WAN. Metropolitan Area Networks are not commonly used these days, they are used to create communication between systems in an entire cities.
- 11. WAN WAN is stand for wide area networking, E.g. internet on a whole world. WAN covers a large geographic area such as country, continent or even whole of the world. The largest example of a Wide Area Network is the internet itself, which connects all users to the information and data that is available on the internet.