Review Questions
465
4.
Challenge Handshake Authentication Protocol requires which of the
following? (Choose all that apply.)
A.
ISDN
B.
PPP
C.
A defined username
D.
Encrypted passwords on the router
E.
An external server running TACACS+
5.
Router_A is configured for ISDN BRI and PPP, with an IP address of
192.168.10.1 and a subnet mask of 255.255.255.252. Router_B
would be configured with which of the following?
A.
192.168.10.254
B.
192.168.10.2
C.
192.168.10.3
D.
ip unnumbered
E.
Answer cannot be determined from the information given
6.
An ISDN call initially succeeds, but Pings and other packets fail. What
is the likely cause? (Choose all that apply.)
A.
A faulty cable
B.
A misconfiguration of CHAP
C.
Incorrect speeds between the switch and router
D.
An incorrect route or missing route
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