Network+ Guide to Networks 6th Edition by Tamara Dean – Test Bank
Chapter 5: Topologies and Ethernet Standards
TRUE/FALSE
1.Modern Ethernet networks are based on the star topology.
ANS: T PTS: 1 REF: 202
2.The smallest LANs do not have a backbone.
ANS: F PTS: 1 REF: 205
3.A serial backbone is the simplest kind of backbone.
ANS: T PTS: 1 REF: 205
4.The most popular method for connecting nodes on a network is circuit switching.
ANS: F PTS: 1 REF: 210
5.A network’s access method is its method of controlling how network nodes access the communications channel.
ANS: T PTS: 1 REF: 212
MULTIPLE CHOICE
1.A physical topology ____.
a. |
specifies device types |
c. |
specifies connectivity methods |
b. |
depicts a network in broad scope |
d. |
specifies addressing schemes |
ANS: B PTS: 1 REF: 199
2.Without ____, a bus network would suffer from signal bounce.
a. |
hubs |
c. |
terminators |
b. |
repeaters |
d. |
jamming |
ANS: C PTS: 1 REF: 199
3.In a ring network, each workstation acts as a(n) ____ for the transmission.
a. |
repeater |
c. |
terminator |
b. |
amplifier |
d. |
manager |
ANS: A PTS: 1 REF: 200
4.A complex combination of topologies is known as a ____ topology.
a. |
mixed |
c. |
compound |
b. |
hybrid |
d. |
mulitpart |
ANS: B PTS: 1 REF: 203
5.The most common logical topologies are ____ and ring.
a. |
bus |
c. |
wired |
b. |
star |
d. |
hybrid |
ANS: A PTS: 1 REF: 204
6.A ____ is simply a linked series of devices.
a. |
star |
c. |
ring |
b. |
star-wired ring |
d. |
daisy-chain |
ANS: D PTS: 1 REF: 205
7.In packet switching, when packets reach their destination node, the node ____ them based on their control information.
a. |
disassembles |
c. |
reassembles |
b. |
deletes |
d. |
separates |
ANS: C PTS: 1 REF: 210
8.Collectively, MPLS labels are sometimes called a ____.
a. |
header |
c. |
frame |
b. |
shim |
d. |
title |
ANS: B PTS: 1 REF: 211
9.All Ethernet networks, independent of their speed or frame type, use an access method called ____.
a. |
CSMA |
c. |
CSAM/CD |
b. |
CSMA/DC |
d. |
CSMA/CD |
ANS: D PTS: 1 REF: 212
10.A ____ occurs when two transmissions interfere with each other.
a. |
jam |
c. |
carrier sense |
b. |
collision |
d. |
multiple access event |
ANS: B PTS: 1 REF: 212
11.On an Ethernet network, a(n) ____ is the portion of a network in which collisions occur if two nodes transmit data at the same time.
a. |
collision domain |
c. |
interference domain |
b. |
crash domain |
d. |
duplicate domain |
ANS: A PTS: 1 REF: 212
12.1000Base-T is a standard for achieving throughputs ____ times faster than Fast Ethernet over copper cable.
a. |
2 |
c. |
10 |
b. |
5 |
d. |
100 |
ANS: C PTS: 1 REF: 216
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