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Transcript
Chapter 7: Testbank Questions
1. A computer ________ is two or more computers connected using software and hardware so that they can
communicate with each other.
network
switch
broadband
node
Answer: network
2. A ________ is a device connected to a network such as a printer or a game console.
packet
node
NOS
NIC
Answer: node
3. ________ is the actual speed of data transfer that is achieved and is always less than or equal to the data
transfer rate.
Benchmark
Broadband
Bandwidth
Throughput
Answer: Throughput
4. All of the following are tasks for network administration of a large organization EXCEPT ________.
installing new computers and devices on the network
updating and installing new software on the network
monitoring network performance
purchasing initial equipment for the network
Answer: purchasing initial equipment for the network
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5. Which of the following is NOT used to classify network architectures?
Distance between nodes
Communication medium
Speed of the network
Protocol used to exchange data
Answer: Speed of the network
6. ________ is the maximum speed at which data can be transferred between two nodes.
Throughput
Bandwidth
Broadband
Through speed
Answer: Bandwidth
7. A ________ is a network located in your residence that connects to all your digital devices.
MAN
WAN
HAN
LAN
Answer: HAN
8. A network that spans a large physical distance is called a ________.
MAN
LAN
PAN
WAN
Answer: WAN
2
9. A large network designed to provide access to a specific geographic area, such as a large city, is a ________.
MAN
PAN
LAN
WAN
Answer: MAN
10. Which transmission medium transmits data the fastest?
Twisted-pair cable
Coaxial cable
Wireless
Fiber-optic cable
Answer: Fiber-optic cable
11. Normal telephone cable is a type of ________.
fiber-optic cable
twisted-pair cable
coaxial cable
Ethernet cable
Answer: twisted-pair cable
12. A client/server network is an example of ________ administration
local
wide area
central
remote
Answer: central
3
13. A peer-to-peer (P2P) network is an example of ________ administration.
local
wide area
central
corporate
Answer: local
14. The fastest version of wireless Ethernet is ________.
802.11n
802.11g
802.11ab
802.11ac
Answer: 802.11ac
15. Which of the following is NOT a type of cable used in wired networks?
Unshielded twisted-pair
Coaxial
Fiber-optic
Unshielded coaxial
Answer: Unshielded coaxial
16. Which of the following is NOT a type of UTP cable you would use in a wired Ethernet network?
Cat 5E
Cat 6
Cat 6A
Cat 7B
Answer: Cat 7B
4
17. The most popular transmission media option for wired home Ethernet networks is ________ cable.
fiber-optic
power-line
unshielded twisted-pair (UTP)
coaxial
Answer: unshielded twisted-pair (UTP)
18. Wireless network devices use ________ to communicate with each other.
fiber optics
satellites
radio waves
DSL
Answer: radio waves
19. For the nodes on a network to communicate with each other and access the network, each node needs a
________.
DSL modem
network adapter
hub
router
Answer: network adapter
20. On a network, a(n) ________ helps prevent data packets from colliding with each other.
router
hub
adapter
switch
Answer: switch
5
21. Sophisticated networks generally use which of the following hardware devices to ease the flow of data through
the network?
Routers and switches
USB ports
Firewalls
Firmware
Answer: Routers and switches
22. To transfer data packets between two or more networks, a ________ is used.
router
hub
firewall
switch
Answer: router
23. Data are sent through a network in bundles called ________.
packages
pouches
packets
nodes
Answer: packets
24. All of the following operating systems support P2P networking EXCEPT ________.
Windows
OS X
Unix
Linux
Answer: Unix
6
25. Client/server networks are controlled by a central server that runs specialized software called a(n) ________.
information management system (ISM)
network operating system (NOS)
digital subscriber line (DSL)
service set identifier (SSID)
Answer: network operating system (NOS)
26. Which of the following is NOT a wired broadband Internet connection option?
Cable
Dial-up
DSL
Fiber-optic
Answer: Dial-up
27. A(n) ________ device facilitates file sharing and data backup.
NAS
WAN
UTP
NOS
Answer: NAS
28. Using a network without the network owner's permission is known as ________.
hijacking
spamming
piggybacking
phishing
Answer: piggybacking
7
29. All of the following are extra precautions you can take to secure a wireless network EXCEPT ________.
change your network name (SSID)
enable SSID broadcast
turn on security protocols
create a passphrase
Answer: enable SSID broadcast
30. The unique number assigned to a network adapter by the manufacturer is referred to as the ________
address.
MAC
IP
SSID
network
Answer: MAC
31. The term network __________ refers to the design of a network.
Scoring Attribute: System Scorable
Answer: a. architecture
32. A(n) __________ network is one where each computer can communicate directly with the others, rather than
having a separate device exercise central control over the entire network.
Scoring Attribute: System Scorable
Answer: a. peer-to-peer and b.P2P
33. A network in which the nodes are located within a computer lab is called a(n) __________ .
Scoring Attribute: System Scorable
Answer: a. LAN and b.local area network
34. A network used to communicate among devices close to one person is called a(n) __________ .
Scoring Attribute: System Scorable
8
Answer: a. PAN and b.personal area network
35. Many cities in the United States now provide a(n) __________ area network to allow Internet access to
residents and tourists.
Scoring Attribute: System Scorable
Answer: a. metropolitan
36. cable is composed of four pairs of wires that are twisted around each other to reduce electrical interference.
Scoring Attribute: System Scorable
Answer: a. Unshielded twisted-pair and b.UTP
37. cable consists of a single copper wire surrounded by layers of plastic and is used to connect cable TV.
Scoring Attribute: System Scorable
Answer: a. Coaxial
38. The capability of current devices to use earlier standards is known as __________ .
Scoring Attribute: System Scorable
Answer: a. backward compatibility
39. are devices that transfer packets of data between two or more networks.
Scoring Attribute: System Scorable
Answer: a. Routers
40. A(n) __________ is a device that receives data packets and sends them to their intended nodes while
preventing data collisions.
Scoring Attribute: System Scorable
Answer: a. switch
41. The server on a client/server network has specialized __________ software installed.
9
Scoring Attribute: System Scorable
Answer: a. network operating system and b.NOS
42. is often referred to as "high-speed Internet."
Scoring Attribute: System Scorable
Answer: a. Broadband
43. DSL uses __________ cable.
Scoring Attribute: System Scorable
Answer: a. twisted-pair
44. A(n) __________ network uses radio waves as its transmission medium.
Scoring Attribute: System Scorable
Answer: a. wireless
45. Storing files on the __________ avoids having to save them on multiple devices.
Scoring Attribute: System Scorable
Answer: a. cloud
46. In terms of networking, NOS stands for __________ .
Scoring Attribute: System Scorable
Answer: a. network operating system
47. A(n) __________ network is set up near a wireless network and has a sound-alike name to lure unsuspecting
web surfers.
Scoring Attribute: System Scorable
Answer: a. evil twin
10
48. Public places where you can wirelessly connect to the Internet are known as __________ .
Scoring Attribute: System Scorable
Answer: a. hotspots
49. Someone who breaks into computer systems to create mischief or steal information is a(n) __________ .
Scoring Attribute: System Scorable
Answer: a. hacker
50. When using a wireless connection, __________ translates data so that it is protected.
Scoring Attribute: System Scorable
Answer: a. encryption
51. SSID stands for __________ .
Scoring Attribute: System Scorable
Answer: a. service set identifier
52. All wireless networks have their own name, referred to as the __________ , which is used to identify the
network.
Scoring Attribute: System Scorable
Answer: a. service set identifier and b.SSID
53. WEP stands for __________ .
Scoring Attribute: System Scorable
Answer: a. wired equivalent privacy
54. WPA stands for __________ .
Scoring Attribute: System Scorable
11
Answer: a. Wi-Fi protected access and b.WiFi Protected access
55. refers to connecting to a wireless connection without the permission of the owner.
Scoring Attribute: System Scorable
Answer: a. Piggybacking
56. A printer connected to a wireless network is considered to be a node on that network.
a
true
b
false
Answer: a. true
57. Sharing files is a benefit of a network.
a
true
b
false
Answer: a. true
58. In a peer-to-peer network, one computer acts as the central computer.
a
true
b
false
Answer: a. false
59. P2P networks are most commonly used in home networks.
a
true
b
false
Answer: a. true
60. The Internet is a WAN.
a
true
b
false
Answer: a. true
12
61. Current wired Ethernet networks in the United States are based on the IEEE 802.11ac standard.
a
true
b
false
Answer: a. false
62. Ethernet networks are always connected using twisted-pair cable technology.
a
true
b
false
Answer: a. false
63. Wireless network connections are slower than wired broadband connections.
a
true
b
false
Answer: a. true
64. The most popular transmission media option for wired Ethernet networks is UTP cable.
a
true
b
false
Answer: a. true
65. Most computers today come with Ethernet adapters already installed.
a
true
b
false
Answer: a. true
66. A router acts like a traffic signal on a network.
a
true
b
false
Answer: a. false
13
67. A P2P network needs network operating system software installed on every node.
a
true
b
false
Answer: a. false
68. Wireless networks are more vulnerable to attack than wired networks.
a
true
b
false
Answer: a. true
69. WEP is a stronger form of security than WPA.
a
true
b
false
Answer: a. false
70. Limiting your signal range does not help increase wireless network security.
a
true
b
false
Answer: a. false
71. Match each of the following network types to its definition:
a. HAN
services a residence
b. MAN
covers a city
c. LAN
confined to a small geographic location beyond the
home
d. PAN
used to communicate among devices near an
individual
e. WAN
a network that covers a great distance
Scoring Attribute: System Scorable
Answer: a. services a residence/b. covers a city/c. confined to a small geographic location beyond the
home/d. used to communicate among devices near an individual/e. a network that covers a great distance
14
72. Match each of the following terms to its definition:
a. fiber-optic
made up of plastic or glass and transmits data at
extremely fast speeds
b. twisted pair
made up of copper wires
c. coaxial cable
single copper wire surrounded by layers of plastic
d. peer-to-peer
each node can communicate directly with every other
node on the network
e. client/server
central computer provides information and resources
to other computers
Scoring Attribute: System Scorable
Answer: a. made up of plastic or glass and transmits data at extremely fast speeds/b. made up of copper
wires/c. single copper wire surrounded by layers of plastic/d. each node can communicate directly with every
other node on the network/e. central computer provides information and resources to other computers
73. Match each of the following terms to its definition:
a. server
provides information and resources to other
computers on a network
b. client
computer on which users accomplish specific tasks
and make specific requests
c. network
two or more computers connected together via
software and hardware so they can communicate
d. piggyback
unauthorized connection to a wireless network
e. node
a computer, peripheral, or communication device on
a network
Scoring Attribute: System Scorable
Answer: a. provides information and resources to other computers on a network/b. computer on which users
accomplish specific tasks and make specific requests/c. two or more computers connected together via
software and hardware so they can communicate/d. unauthorized connection to a wireless network/e. a
computer, peripheral, or communication device on a network
15
74. Match each of the following terms to its definition:
a. throughput
the actual speed of data transfer that is achieved on
a network
b. packet
the format in which data is sent over transmission
media
c. firmware
instructions in read-only memory
d. firewall
hardware or software for protecting computers from
hackers
e. bandwidth
maximum speed at which data can be transmitted
Scoring Attribute: System Scorable
Answer: a. the actual speed of data transfer that is achieved on a network/b. the format in which data is sent
over transmission media/c. instructions in read-only memory/d. hardware or software for protecting computers
from hackers/e. maximum speed at which data can be transmitted
75. Match each of the following terms to its definition:
a. NOS
software used to set up and manage a network
b. broadband
high-speed Internet connection
c. router
directs data traffic between networks
d. switch
handles data traffic between nodes on the same
network
e. NIC
connects a node to a network
Scoring Attribute: System Scorable
Answer: a. software used to set up and manage a network/b. high-speed Internet connection/c. directs data
traffic between networks/d. handles data traffic between nodes on the same network/e. connects a node to a
network
16