True/False
Indicate whether the sentence or statement is true
or false.
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1.
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Most
bus networks use coaxial cable as their physical medium.
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2.
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Bus
networks are difficult to troubleshoot because it is a challenge to identify fault
locations.
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3.
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The
ring topology forms the basis for modern Ethernet and Fast Ethernet networks.
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4.
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A
collapsed backbone provides network administrators with the ability to segregate workgroups and,
therefore, manage them more easily.
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5.
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FDDI
can connect LANs located in multiple buildings, such as those on college campuses.
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Multiple Choice
Identify the
letter of the choice that best completes the statement or answers the question.
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6.
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A(n)
____ is the layout, or pattern, of the nodes on a network. a. | serial
backbone | c. | enterprise | b. | physical topology | d. | distributed backbone | | | | |
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7.
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A(n)
____ topology consists of a single cable connecting all nodes on a network without intervening
connectivity devices. a. | star | c. | bus | b. | physical | d. | ring | | | | |
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8.
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In
a(n) ____ topology, each node is connected to the two nearest nodes so that the entire network forms
a circle. a. | ring | c. | star | b. | bus | d. | star-wired | | | | |
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9.
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In
a(n) ____ topology, every node on the network is connected through a central device, such as a hub or
switch. a. | ring | c. | star | b. | bus | d. | network | | | | |
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10.
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A(n)
____ consists of a number of connectivity devices connected to a series of central connectivity
devices, such as hubs, switches, or routers, in a hierarchy. a. | collapsed
backbone | c. | distributed
backbone | b. | serial backbone | d. | parallel backbone | | | | |
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11.
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In
____, a connection is established between two network nodes before they begin transmitting
data. a. | circuit
switching | c. | message
switching | b. | packet switching | d. | passive scanning | | | | |
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12.
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A(n)
____ is the length of time data takes to travel from one point on the
segment to another point. a. | access method | c. | probe | b. | data propagation
delay | d. | beacon
frame | | | | |
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13.
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____
enables multiple nodes to simultaneously transmit and receive data over different logical network
segments. a. | ATM | c. | QoS | b. | LAN Emulation | d. | Switched Ethernet | | | | |
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14.
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In
____, a 3-byte packet is transmitted from one node to another in a circular fashion around the
ring. a. | packet
switching | c. | reassociation | b. | token passing | d. | circuit switching | | | | |
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15.
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Which
of the following encapsulates incoming Ethernet or Token Ring frames, then converts them into ATM
cells for transmission over an ATM network? a. | LAN Emulation | c. | Power over Ethernet | b. | CSMA/CA | d. | Ethernet_II | | | | |
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16.
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As
long as a station is on and has its wireless protocols running, it periodically surveys its
surroundings for evidence of an access point, a task known as ____. a. | switching | c. | scanning | b. | probing | d. | reassociation | | | | |
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17.
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In
____, a wireless station listens on all channels within its frequency range for a special signal,
known as a beacon frame, issued from an access point. a. | probing | c. | circuit
switching | b. | reassociation | d. | passive scanning | | | | |
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18.
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Multiple Bluetooth piconets can be combined to form a(n) ____. a. | packet | c. | serial
backbone | b. | scatternet | d. | Ethernet | | | | |
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19.
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The
router or switch that makes up the collapsed backbone must contain ____ to handle the heavy traffic
going through it. a. | frames | c. | terminators | b. | piconets | d. | multiprocessors | | | | |
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20.
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____
occurs when two nodes simultaneously check a channel, determine that it is free, and begin to
transmit. a. | Jamming | c. | Circuit
switching | b. | Collision | d. | Association | | | | |
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21.
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____
is an Ethernet frame type developed by DEC, Intel, and Xerox before the IEEE began to standardize
Ethernet. a. | Ethernet_II | c. | IPX | b. | Ethernet_III | d. | SPX | | | | |
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22.
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Which
of the following standards specifies a method for supplying electrical power over Ethernet
connections? a. | Ethernet_SNAP | c. | PoE | b. | Ethernet_II | d. | 802.3af | | | | |
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23.
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Which
of the following maintains the timing for ring passing, monitors token and frame transmission,
detects lost tokens, and corrects errors when a timing error or other disruption occurs on a Token
Ring network? a. | Terminator | c. | Bluetooth | b. | Active monitor | d. | Connector | | | | |
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24.
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____
uses a double ring of multimode or single-mode fiber to transmit data at speeds of 100
Mbps.
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25.
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Which
of the following is considered a hybrid topology? a. | Star | c. | Star-wired ring | b. | Bus | d. | Ring | | | | |
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26.
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In
networking, the term ____ refers to an entire organization, including its local and remote offices, a
mixture of computer systems, and a number of departments. a. | enterprise | c. | industry | b. | company | d. | business | | | | |
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