Network+ Final Exam Review - Part 2
Chapters 4 -7
1. If the standard port number for the Telnet service is 23, a host
whose IPv4 address is 10.43.3.87 has a socket address for Telnet of ____.
Correct
|
Choice
|
10.43.3.87-23
|
|
23:10.43.3.87
|
|
10.43.3.87/23
|
|
X
|
10.43.3.87:23
|
2. A complex combination of topologies is known as a ____ topology.
Correct
|
Choice
|
multipart
|
|
compound
|
|
X
|
hybrid
|
mixed
|
3. ____ operates at the Network layer and manages multicasting.
Correct
|
Choice
|
X
|
IGMP
|
IP
|
|
ICMP
|
|
UDP
|
4. LANE encapsulates incoming Ethernet or token ring frames, then
converts them into ATM cells for transmission over an ATM network.
Correct
|
Choice
|
X
|
True
|
False
|
5. The speed of a T-carrier depends on its ____ level.
Correct
|
Choice
|
X
|
terminal adapter
|
smart jack
|
|
terminator
|
|
DSLAM
|
6. To eliminate the possibility of a broadcast storm, switches and
bridges implement the ____.
Correct
|
Choice
|
RIP (Routing Information Protocol)
|
|
OSPF (Open Shortest Path
First) protocol
|
|
X
|
STP (Spanning Tree Protocol)
|
BGP (Border Gateway Protocol)
|
7. Buses differ according to their ____.
Correct
|
Choice
|
connectors
|
|
speed
|
|
X
|
capacity
|
resistance
|
8. ___ is a simple Application layer protocol used to synchronize the
clocks of computers on a network.
Correct
|
Choice
|
X
|
NTP
|
NNTP
|
|
ARP
|
|
PING
|
9. Collectively, MPLS labels are sometimes called a ____.
Correct
|
Choice
|
header
|
|
title
|
|
X
|
shim
|
frame
|
10. TCP ensures reliable data delivery through sequencing and
checksums.
Correct
|
Choice
|
X
|
True
|
False
|
11. A ____ aggregates multiple DSL subscriber lines and connects them
to the carrier’s CO.
Correct
|
Choice
|
smart jack
|
|
terminal adapter
|
|
terminator
|
|
X
|
DSLAM
|
12. The individual geographic locations connected by a WAN are known as
____.
Correct
|
Choice
|
central offices
|
|
X
|
WAN sites
|
network service providers
|
|
WAN links
|
13. ____ means that a telephone company connects residential users to
its network with fiber-optic cable.
Correct
|
Choice
|
PON
|
|
FITL
|
|
X
|
FTTH
|
OLT
|
14. A network backbone is the part of a network to which segments and
significant shared devices connect.
Correct
|
Choice
|
X
|
True
|
False
|
15. It is best to perform connectivity tests on a computer connected to
a live network.
Correct
|
Choice
|
X
|
True
|
False
|
16. A hardware component that can be changed without disrupting
operations is known as ____.
Correct
|
Choice
|
fast-swappable
|
|
X
|
hot-swappable
|
hot-synching
|
|
fast-synching
|
17. Because WAN connections require routers or other Layer 3 devices to
connect locations, their links are not capable of carrying ____ protocols.
Correct
|
Choice
|
standard
|
|
X
|
nonroutable
|
open
|
|
routable
|
18. A router that directs data between nodes on an autonomous LAN (or
one owned and operated by a single organization) is known as a interior router.
Correct
|
Choice
|
X
|
True
|
False
|
19. A ____ is simply a linked series of devices.
Correct
|
Choice
|
star-wired ring
|
|
X
|
daisy-chain
|
ring
|
|
star
|
20. In packet switching, when packets reach their destination node, the
node ____ them based on their control information.
Correct
|
Choice
|
X
|
reassembles
|
disassembles
|
|
separates
|
|
deletes
|
21. On an Ethernet network, a ____ is the portion of a network in which
collisions occur if two nodes transmit data at the same time.
Correct
|
Choice
|
crash domain
|
|
interference domain
|
|
duplicate domain
|
|
X
|
collision domain
|
22. A ____ can interpret physical addressing information.
Correct
|
Choice
|
hub
|
|
X
|
bridge
|
switch
|
|
repeater
|
23. In the 10GBase-LR standard, the L stands for ____.
Correct
|
Choice
|
little ring
|
|
long ring
|
|
X
|
long reach
|
LAN
|
24. A UDP header contains ____fields.
Correct
|
Choice
|
X
|
four
|
six
|
|
eight
|
|
ten
|
25. Advances in NIC technology are making this hardware smarter than
ever.
Correct
|
Choice
|
X
|
True
|
False
|
26. Cut-through switches can detect corrupt packets.
Correct
|
Choice
|
True
|
|
X
|
False
|
27. Without ____, a bus network would suffer from signal bounce.
Correct
|
Choice
|
jamming
|
|
X
|
terminators
|
repeaters
|
|
hubs
|
28. A ____ number is the address on a host where an application makes
itself available to incoming or outgoing data.
Correct
|
Choice
|
source
|
|
X
|
port
|
application
|
|
destination
|
29. Within Ethernet frame types, the ____ signals to the receiving node
that data is incoming and indicates when the data flow is about to begin.
Correct
|
Choice
|
frame
|
|
FCS
|
|
X
|
preamble
|
header
|
30. Dial-up ISDN does not convert a computer’s digital signals to
analog before transmitting them over the PSTN.
Correct
|
Choice
|
X
|
True
|
False
|
31. SONET’s extraordinary ____ results from its use of a double-ring
topology over fiber-optic cable.
Correct
|
Choice
|
latency
|
|
low cost
|
|
X
|
fault tolerance
|
throughput
|
32. A ____ converts digital signals into analog signals for use with
ISDN phones and other analog devices.
Correct
|
Choice
|
X
|
terminal adapter
|
DSLAM
|
|
smart jack
|
|
terminator
|
33. In a process called ____, two 64-Kbps ISDN B channels can be
combined to achieve an effective throughput of 128 Kbps.
Correct
|
Choice
|
linking
|
|
merging
|
|
X
|
bonding
|
slicing
|
34. In IPv6, each address contains a_________, or a variable-length
field at the beginning of the address that indicates what type of address it
is.
(In IPv6, each address contains
a_________, or a variable-length field at the beginning of the address that
indicates what type of address it is.
)
Correct
|
Choice
|
Address Prefix
|
|
Field Prefix
|
|
X
|
Format Prefix
|
Variable Prefix
|
35. ____ is a terminal emulation protocol used to log on to remote
hosts using the TCP/IP protocol suite.
Correct
|
Choice
|
NTP
|
|
X
|
Telnet
|
NNTP
|
|
FTP
|
36. TCP is a____ subprotocol.
Correct
|
Choice
|
connectionless
|
|
open-ended
|
|
X
|
connection-oriented
|
indiscriminating
|
37. ____ ARP table entries are created when a client makes an ARP
request that cannot be satisfied by data already in the ARP table.
Correct
|
Choice
|
X
|
Dynamic
|
On-demand
|
|
Static
|
|
Temporary
|
38. All Ethernet networks, independent of their speed or frame type,
use an access method called ____.
Correct
|
Choice
|
X
|
CSMA/CD
|
CSAM/CD
|
|
CSMA
|
|
CSMA/DC
|
39. In IPv4 addressing, an IP address whose first octet is in the range
of 192–223 belongs to a Class ____ network.
Correct
|
Choice
|
A
|
|
B
|
|
X
|
C
|
D
|
40. A serial backbone is the simplest kind of backbone.
Correct
|
Choice
|
X
|
True
|
False
|
41. The most common logical topologies are ____ and ring.
Correct
|
Choice
|
wired
|
|
star
|
|
hybrid
|
|
X
|
bus
|
42. Protocols that can span more than one LAN (or LAN segment) are
routable, because they carry Network layer addressing information that can be
interpreted by a router.
Correct
|
Choice
|
X
|
True
|
False
|
43. ICMP (Internet Control Message Protocol) reports on the success or
failure of data delivery.
Correct
|
Choice
|
X
|
True
|
False
|
44. In IPv4 addressing, a node with an IP address of 168.34.88.29
belongs to a Class ____ network.
Correct
|
Choice
|
A
|
|
X
|
B
|
C
|
|
D
|
45. The most popular method for connecting nodes on a network is
circuit switching.
Correct
|
Choice
|
True
|
|
X
|
False
|
46. 1000Base-T is a standard for achieving throughputs ____ times
faster than Fast Ethernet over copper cable.
Correct
|
Choice
|
2
|
|
5
|
|
X
|
10
|
100
|
47. After SONET, BPL has the best maximum throughput available.
Correct
|
Choice
|
True
|
|
X
|
False
|
48. ____ is a utility that can verify that TCP/IP is installed, bound
to the NIC, configured correctly, and communicating with the network.
Correct
|
Choice
|
Telnet
|
|
FTP
|
|
ARP
|
|
X
|
PING
|
49. The Ethernet II frame type contains a 2-byte ____ field that
differentiates it from other Ethernet frame types.
Correct
|
Choice
|
source
|
|
X
|
type
|
length
|
|
data
|
50. ATM is a WAN technology that functions in the Data Link layer.
Correct
|
Choice
|
X
|
True
|
False
|
51. Repeaters operate in the ____ layer of the OSI model.
Correct
|
Choice
|
Session
|
|
Network
|
|
Transport
|
|
X
|
Physical
|
52. A ____ is a multiport connectivity device that directs data between
nodes on a network.
Correct
|
Choice
|
switch
|
|
bridge
|
|
X
|
router
|
gateway
|
53. Switches can create ____ by grouping a number of ports into a
broadcast domain.
Correct
|
Choice
|
spanning trees
|
|
gateways
|
|
trunks
|
|
X
|
VLANs
|
54. On most modern WANs, a ring topology relies on ____ rings to carry
data.
Correct
|
Choice
|
open
|
|
serial
|
|
flexible
|
|
X
|
redundant
|
55. ____ are combinations of networking hardware and software that
connect two dissimilar kinds of networks.
Correct
|
Choice
|
X
|
Gateways
|
Broadcast domains
|
|
Switches
|
|
Routers
|
56. In the TCP/IP protocol suite, ____ is the core protocol responsible
for logical addressing.
Correct
|
Choice
|
TCP
|
|
X
|
IP
|
UDP
|
|
ARP
|
57. In IPv4 addressing, each IP address is a unique ____ number.
Correct
|
Choice
|
12-bit
|
|
X
|
32-bit
|
64-bit
|
|
128-bit
|
58. Subnetting is a process of subdividing a single class of networks
into multiple, smaller logical networks, or segments.
Correct
|
Choice
|
X
|
True
|
False
|
59. A ____ occurs when two transmissions interfere with each other.
Correct
|
Choice
|
multiple access event
|
|
jam
|
|
X
|
collision
|
crash domain
|
60. The portion of the PSTN that connects any residence or business to
the nearest CO is known as the ____.
Correct
|
Choice
|
NIU (Network Interface Unit)
|
|
demarcation point
|
|
central office
|
|
X
|
local loop
|
61. In dotted decimal notation, a ____ separates each decimal.
Correct
|
Choice
|
dash
|
|
X
|
period
|
colon
|
|
slash
|
62. Each time a computer starts up, the device drivers for all its
connected peripherals are loaded into ____.
Correct
|
Choice
|
X
|
RAM
|
EEPROM
|
|
CMOS
|
|
ROM
|
63. In the domain name www.google.com, ____ is the top-level domain
(TLD).
Correct
|
Choice
|
google
|
|
http
|
|
X
|
.com
|
www
|
64. The smallest LANs do not have a backbone.
Correct
|
Choice
|
True
|
|
X
|
False
|
65. The most common 1-Gigabit Ethernet standard in use today is ____.
Correct
|
Choice
|
1000Base-T
|
|
X
|
1000Base-LX
|
10GBase-SR
|
|
1000Base-SX
|
66. ____ is an updated, digital version of X.25 that also relies on
packet switching.
Correct
|
Choice
|
X
|
Frame relay
|
ISDN
|
|
DSL
|
|
ATM
|
67. A____ is the place where a telephone company terminates lines and
switches calls between different locations.
Correct
|
Choice
|
EO
|
|
X
|
CO
|
TO
|
|
DO
|
68. As part of CSMA/CD, a process known as jamming allows the NIC issue
a special 32-bit sequence that indicates to the rest of the network nodes that
its previous transmission was faulty and that those data frames are invalid.
Correct
|
Choice
|
X
|
True
|
False
|
69. On a Linux workstation, a popular utility called ethtool allows you
to view and change NIC settings.
Correct
|
Choice
|
X
|
True
|
False
|
70. WANs typically send data over ____ available communications
networks.
Correct
|
Choice
|
X
|
publicly
|
privately
|
|
serially
|
|
individually
|
71. The command used to view IP information on a Windows workstation is
ipconfig.
Correct
|
Choice
|
X
|
True
|
False
|
72. The 10GBase-T standard is considered a breakthrough for
transmitting 10 Gbps over ____ medium.
Correct
|
Choice
|
X
|
twisted pair
|
coaxial
|
|
atmosphere
|
|
fiber
|
73. In addition to viewing its LEDs and using a loopback plug to test a
NIC’s functionality, you can also check a NIC’s connectivity with ____.
Correct
|
Choice
|
X
|
simple commands
|
special switches
|
|
special clients
|
|
special software
|
74. The format of ARP tables is the same from one operating system to
another.
Correct
|
Choice
|
True
|
|
X
|
False
|
75. ISDN PRI uses ____ B channels and one 64-Kbps D channel.
Correct
|
Choice
|
12
|
|
X
|
23
|
10
|
|
32
|
76. Modern Ethernet networks are based on the star topology.
Correct
|
Choice
|
X
|
True
|
False
|
77. The 10-gigabit fiber optic standard with the shortest segment
length is ____.
Correct
|
Choice
|
X
|
10GBase-SR
|
10GBase-LR
|
|
10GBase-ER
|
|
10GBase-T
|
78. The subprotocol that enables TCP/IP to internetwork - that is, to
traverse more than one LAN segment and more than one type of network through a
router is ____.
Correct
|
Choice
|
UDP
|
|
TCP
|
|
X
|
IP
|
ICMP
|
79. Together, the FCS and the header make up the ____-byte “frame” for
the data.
Correct
|
Choice
|
15
|
|
X
|
18
|
21
|
|
24
|
80. A physical topology ____.
Correct
|
Choice
|
specifies addressing schemes
|
|
specifies device types
|
|
specifies connectivity methods
|
|
X
|
depicts a network in broad scope
|
81. ____ routing is a technique in which a network administrator
programs a router to use specific paths between nodes.
Correct
|
Choice
|
Dynamic
|
|
X
|
Static
|
Link-state
|
|
Best path
|
82. SONET specifies framing and multiplexing techniques at the Physical
layer.
Correct
|
Choice
|
X
|
True
|
False
|
83. A T-carrier uses TDM (time division multiplexing) over two wire to
divide a single channel into multiple channels.
Correct
|
Choice
|
X
|
True
|
False
|
84. A network’s access method is its method of controlling how network
nodes access the communications channel.
Correct
|
Choice
|
X
|
True
|
False
|
85. Bridges are protocol independent.
Correct
|
Choice
|
X
|
True
|
False
|
86. An on-board NIC is integrated into the motherboard.
Correct
|
Choice
|
X
|
True
|
False
|
87. The data rate of a particular SONET ring is indicated by its ____,
a rating that is internationally recognized by networking professionals and
standards organizations.
Correct
|
Choice
|
X
|
OC (Optical Carrier) level
|
BRI (Basic Rate Interface)
|
|
CIR (committed information rate)
|
|
DS0 (digital signal, level 0)
|
88. At its most primitive, a ____ is a repeater with more than one
output port.
Correct
|
Choice
|
switch
|
|
bridge
|
|
base
|
|
X
|
hub
|
89. PCIe slots vary depending on the number of ____ they support.
Correct
|
Choice
|
cards
|
|
labels
|
|
processors
|
|
X
|
lanes
|
90. In data networks, the task of directing information efficiently to
the correct destination is handled by connectivity devices, primarily switches
and routers.
Correct
|
Choice
|
X
|
True
|
False
|
91. Broadband cable requires many subscribers to share the same local
line, thus raising concerns about ____ and actual (versus theoretical)
throughput.
Correct
|
Choice
|
access
|
|
costs
|
|
X
|
security
|
noise
|
92. A computer’s bus is the circuit, or signaling pathway, used by the
motherboard to transmit data to the computer’s components, including its
memory, processor, hard disk, and NIC.
Correct
|
Choice
|
X
|
True
|
False
|
93. Whether connecting to the Internet or to another computer within a
LAN, every node on a network must have a unique IP address.
Correct
|
Choice
|
X
|
True
|
False
|
94. CompactFlash is an example of a peripheral device attached to the
computer’s ____ bus.
Correct
|
Choice
|
internal
|
|
X
|
external
|
remote
|
|
onboard
|
95. The ____ encompasses the entire telephone system, from the wires
that enter homes and businesses to the network centers that connect different
regions of a country.
Correct
|
Choice
|
X
|
PSTN
|
SLIP
|
|
PPP
|
|
POTS
|
96. A receiving node in synchronous communications recognizes that it
should be receiving data by looking at the time on the clock.
Correct
|
Choice
|
X
|
True
|
False
|
97. A device driver is software that enables an attached device to
communicate with the computer’s operating system.
Correct
|
Choice
|
X
|
True
|
False
|
98. A ____ connection is one in which a user connects her computer, via
a modem, to a distant network and stays connected for a finite period of time.
Correct
|
Choice
|
remote
|
|
X
|
dial-up
|
virtual
|
|
direct
|
99. If your network does not need or use APIPA, it must be uninstalled
to avoid conflicts.
Correct
|
Choice
|
True
|
|
X
|
False
|
100. The BIOS is a simple set of instructions that enables a computer
to initially recognize its hardware.
Correct
|
Choice
|
X
|
True
|
False
|
