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GSEC · Question #61

What protocol is a WAN technology?

The correct answer is D. Frame Relay. Frame Relay is the only WAN-specific protocol listed; the other options are LAN or wireless standards.

Networking and Core Concepts

Question

What protocol is a WAN technology?

Options

  • A802.11
  • B802.3
  • CEthernet
  • DFrame Relay

How the community answered

(31 responses)
  • A
    16% (5)
  • B
    6% (2)
  • C
    3% (1)
  • D
    74% (23)

Why each option

Frame Relay is the only WAN-specific protocol listed; the other options are LAN or wireless standards.

A802.11

802.11 is the IEEE standard for wireless LAN (Wi-Fi) and applies to local area networking, not wide area networking.

B802.3

802.3 is the IEEE standard for wired Ethernet, which is a LAN technology and does not operate as a WAN protocol.

CEthernet

Ethernet is a LAN technology used for local area connectivity and is not a WAN protocol.

DFrame RelayCorrect

Frame Relay is a packet-switched WAN protocol operating at Layer 2, designed to connect geographically dispersed sites over carrier networks using permanent virtual circuits (PVCs). It is explicitly classified as a WAN technology, unlike the other choices which apply to local or wireless networking.

Concept tested: WAN vs LAN protocol classification

Source: https://www.cisco.com/c/en/us/tech/wan/frame-relay/index.html

Topics

#WAN protocols#Frame Relay#WAN technologies#network types

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