- Study guides, Class notes & Summaries

1. WAN - correct answer A wide area network, or WAN, is a network that covers a large geographical area. It may connect multiple smaller networks over metropolitan, regional, and even national boundaries. In a WAN, several switching and transmission technologies are used to transmit data between different network segments. 2. Name 5 main switching technologies that can be used on WAN. - correct answer (1) Circuit Switching (2) Packet Switching (3) Virtual Circuit Switching (4) C...

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8 pages

Written in 2024/2025

Grade A+

Rechga

Network Interface Card - correct answer A Network Interface Card (NIC) is an interface fitted inside a personal computer or network terminal which allows it to communicate with other machines over a network. The card technology will vary according to the network used, but every card on a network must have some way of uniquely identifying itself and some means of converting the signals form the computer to a form which can be transmitted over the connection. Local Area Network - correct a...

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1 pages

Written in 2024/2025

Grade A+

Rechga

Wide Area Networks - correct answer -typically run long distance, connecting different offices in different cities or countries -Most organizations lease circuits from common carriers Local exchange carrier - correct answer A common carrier that provides local telephone services Interexchange carrier - correct answer A common carrier that provides long distance services Federal Government Agencys - correct answer -Regulates data and voice communications -US=Federa...

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7 pages

Written in 2024/2025

Grade A+

Rechga

A network that runs on the customer premises is a ________. - correct answer LAN Which of the following receive rights of way for transmission beyond sites? - correct answer carriers A WAN is the network that ________. - correct answer links different sites together A company has more control over its ________ technology. - correct answer LAN Which of the following usually offers higher speeds? - correct answer LANs LAN speeds are faster than WAN speeds be...

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7 pages

Written in 2024/2025

Grade A+

Rechga

Service Provider - correct answer A WAN is owned by a _________, and a business pays a fee to use the provider's WAN network services. WANs - correct answer _________ are used to interconnect the enterprise LAN to remote LANs in branch sites and telecommuter sites. Service Providers - correct answer _________ provide links to interconnect remote sites for the purpose of transporting data, voice, and video. LANs - correct answer In contrast, ________ are typically ...

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16 pages

Written in 2024/2025

Grade A+

Rechga

WAN stands for ________. A) Wide Arena Nuances B) Wide Area Network C) Wireless Area Networks D) Wireless and Networked - correct answer wide area network A wide area network acts like a ________ network, but spans across multiple physical locations. - correct answer single WAN technologies usually require that the users to contract a link across the Internet with their ISP so they can handle sending data to different sites, which acts like all the computers are in the same ...

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2 pages

Written in 2024/2025

Grade A+

Rechga

What's a WAN compared to a LAN? - correct answer WANs are used to interconnect the enterprise LAN to remote LANs in branch sites and telecommuter sites (as an example). WANs are owned by service providers (e.g. telephone networks, cable companies, satellite services). LANs are typically owned by organisations to connect local computers and small geographic regions. LANs would just be a series of isolated networks without WANs. What are the common WAN topologies? - correct an...

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12 pages

Written in 2024/2025

Grade A+

Rechga

Which of the following provides communication within a restricted geographical area? - correct answer LAN - or - MAN Which of the following is true about a dial-up modem connection? - correct answer It is about 20 times slower than digital subscriber line (DSL). Which of the following is used by corporations to conduct business operations—such as sales, marketing, and telecommunications—and work remotely? - correct answer LAN - or - WAN A wide area networ...

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3 pages

Written in 2024/2025

Grade A+

Rechga

WAN - correct answer A physical leases line WAN works a lot like an Ethernet crossover cable connecting 2 routers but with no distance limitations. Each router can send at any time full duplex. The speed is also symmetric meaning that both routers send bits at the same speed. WAN Links - correct answer Leased line provide a physical layer bit transmission facility routers also need to use a data link protocol on the WAN link to send bits over the link. LAN interfaces - correct an...

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3 pages

Written in 2024/2025

Grade A+

Rechga

Wide Area Networks (WANs) - correct answer Run long distances Connect different offices in different cities or countries or different buildings in the same city WANs are rented/leased through? - correct answer Common carriers such as AT&T Dedicated-circuit network (private line services) - correct answer User leases circuit from carrier for exclusive 24/7 use Private network but managed by carrier Channel Service Unit (CSU) / Data Service Unit (DSU) - correct answer ...

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4 pages

Written in 2024/2025

Grade A+

Rechga