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Chapter 10
Wide Area Networking Protocols
18.
Which of the following is true regarding CIR?
A.
It is used in ISDN to allow separate B and D channels.
B.
It is a signaling standard between the CPE device and Frame Relay
switch.
C.
It is responsible for managing the connection and maintaining
status between devices.
D.
It is the rate, in bits per second, at which the Frame Relay switch
agrees to transfer data.
19.
What is the bandwidth of one ISDN B channel?
A.
64Kbps
B.
128Kbps
C.
144Kbps
D.
1.544Mbps
20.
Which of the following are benefits of ISDN networking? Select all
that apply.
A.
Full-time connectivity across the ISDN is spoofed by the Cisco IOS
routers using dial-on-demand routing (DDR).
B.
Small office and home office sites can be economically supported
with ISDN BRI services.
C.
ISDN can be used as a backup service for a leased-line connection
between the remote and central offices.
D.
Modem racking and cabling can be eliminated by integration of
digital modem cards on Cisco IOS Network Access Server (NSA).
E.
ISDN replaces the SS7 signaling in the PSTN backbone.
21.
If you have a remote router with a hostname of "Bob" and you want
to set up a PPP authentication link using the password "Cisco" to a
local router with a hostname "Todd", which of the following com-
mands is correct?
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