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
6
Which simplistic, nonstandard protocol is used to frame and transmit IP
datagrams over serial connections?
datagrams over serial connections?
A
❍ ATM
B
❍ HDLC
C
❍ SLIP
D
❍ X.25
7
Which proprietary interface was developed by Cisco Systems and T3plus
Networking for use in high-speed, WAN link communications?
Networking for use in high-speed, WAN link communications?
A
❍ HDMI
B
❍ HSSI
C
❍ 60-pin DCE-to-DTE
D
❍ RJ-45–to–DB-9
8
Which technologies are examples of circuit-switched connections? (Choose
two.)
two.)
A
❍ Dedicated leased line
B
❍ POTS
C
❍ Frame Relay
D
❍ ATM
E
❍ ISDN
9
Which technologies are examples of packet-switched connections? (Choose
two.)
two.)
A
❍ ATM
B
❍ Frame Relay
C
❍ ISDN
D
❍ X.25
10
Which WAN type provides guaranteed bandwidth over an “always on”
connection?
connection?
A
❍ Packet-switched network connection
B
❍ Cell-switched network connection
C
❍ Circuit-switched network connection
D
❍ Dedicated leased line connection
11
What is the best example of a cell-switching technology?
A
❍ X.25
B
❍ CST
C
❍ ATM
D
❍ Ethernet
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