Consider the following excerpt from the output of a show interfaces command on an interface configured to use PPP: Serial0/0/1 is up, line protocol is down Hardware is GT96K Serial Internet address is 192.168.2.1/24 A ping of the IP address on the other end of the link fails. Which of the following are reasons for the failure, assuming that the problem listed in the answer is the only problem with the link? (Choose two answers.)
a. The CSU/DSU connected to the other router is not powered on.
b. The IP address on the router at the other end of the link is not in subnet 192.168.2.0/24.
c. CHAP authentication failed.
d. The router on the other end of the link has been configured to use HDLC.
e. None of the above.
Ans: c & d
Computer Science & Information Technology
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