For Dummies CCNA Certification All-In-One 978-0-470-48962-8 Manual De Usuario
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978-0-470-48962-8
Wide-Area Networking Basics
Prep Test
1
Which types of devices control the clock rate and timing synchronization for
WAN interfaces? (Choose two.)
WAN interfaces? (Choose two.)
A
❍ DTE
B
❍ ATM
C
❍ MTF
D
❍ DCE
0
❍ CSU/DSU
2
Which type of cable is required to configure a simulated WAN environment
between two routers?
between two routers?
A
❍ 50-pin HSSI cable
B
❍ 60-pin DCE-to-DTE crossover cable
C
❍ CAB-449MT cable
D
❍ RJ-45 straight-through cable
E
❍ RJ-45–to–DB-9 female cable
3
What is the name for WAN equipment not located at (but connected to) the
telephone company?
telephone company?
A
❍ PBX
B
❍ Demarc
C
❍ Cisco LRE
D
❍ Customer premises equipment (CPE)
E
❍ MAN
4
Which protocol would be used by an ISP to establish an authenticated
customer dialup session?
customer dialup session?
A
❍ ATM
B
❍ HDLC
C
❍ PPPoE
D
❍ Frame Relay
E
❍ SLIP
5
Which technology uses separate channels for data and signaling?
A
❍ ISDN
B
❍ ADSL
C
❍ ATM
D
❍ HDLC
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3/1/10 10:15 PM