Review Questions
467
11.
Which of the following is required for CHAP services?
A.
TCP/IP
B.
PPP
C.
PAP
D.
TACACS+
E.
Radius
12.
Which channels must be active in order for ISDN BRI to send packets?
A.
Both B channels
B.
One B channel and the D channel
C.
Both B channels and the D channel
D.
All 24 B channels
13.
Which of the following commands provides information regarding
superframe sync loss?
A.
show interface bri
B.
show controller bri
C.
show isdn sync
D.
show isdn controller
14.
In North America, a SPID might appear as which of the following?
A.
10.1.1.1
B.
e415.5551.2120
C.
41555512120101
D.
5551212
15.
To verify all three layers of an ISDN circuit prior to dialing, an admin-
istrator should use which of the following commands?
A.
show ppp multilink
B.
show dialer
C.
debug bri
D.
show isdn status
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