Cisco 200-105 Exam

If required, what password should be configured on the DeepSouth router in the branch office to allow a connection to be established with the MidEast router?

If required, what password should be configured on the DeepSouth router in the branch office to allow a connection to be established with the MidEast router?

  • A. No password is required.
  • B. Enable
  • C. Secret
  • D. Telnet
  • E. Console
Answer: Option B.
Explanation: 

In the diagram, DeepSouth is connected to Dubai’s S1/2 interface and is configured as follows:

Interface Serial1/2 –
IP address 192.168.0.5 255.255.255.252
Encapsulalation PPP; Encapsulation for this interface is PPP
Check out the following Cisco Link:
http://www.cisco.com/en/US/tech/tk713/tk507/technologies_configuration_example09186a0080094333.shtml#configuringausernamedifferentfromtheroutersname
Here is a snip of an example:

Network Diagram –
If Router 1 initiates a call to Router 2, Router 2 would challenge Router 1, but Router 1 would not challenge Router 2. This occurs because the ppp authentication chap calling command is configured on Router 1. This is an example of a unidirectional authentication. In this setup, the ppp chap hostname alias-r1 command is configured on Router 1. Router 1 uses “alias-r1” as its hostname for CHAP authentication instead of “r1.” The Router 2 dialer map name should match Router 1’s ppp chap hostname; otherwise, two B channels are established, one for each direction.

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