Networking - Wide Area Networks - Discussion

Discussion :: Wide Area Networks - Wide Area Networks (Q.No.1)

1. 

When setting up Frame Relay for point-to-point subinterfaces, which of the following must not be configured?

[A]. The Frame Relay encapsulation on the physical interface
[B]. The local DLCI on each subinterface
[C]. An IP address on the physical interface
[D]. The subinterface type as point-to-point

Answer: Option C

Explanation:

It is very important to remember when studying the CCNA exam objectives, and when configuring Frame Relay with point-to-point subinterfaces, that you do not put an IP address on the physical interface.

Sufiyan Ahmad said: (Jul 17, 2016)  
What is frame relay, can anyone tell me?

Tanveer said: (Dec 4, 2018)  
Frame Relay is a WAN Protocol that is used to connect a head office with its remote branches. Suppose, you have a office at Delhi and multiple offices at Mumba, Kolkata and Chennai. You need dedicated connection from Delhi to other sites. Using Frame Relay, you can eliminate the cost of dedicated connection. Rather you can lease line from ISP. A single connection you need to lease from ISP and ISP will provide virtual connection to the branch offices through their frame relay cloud. You don't need a dedicated connection between branch offices (Kolkata to Mumbai) to send data but still you can send data through Frame Relay Technology.

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