UNIT 5
1.
Which of the following is NOT an example of a network node?
A. printer
B. computer
C. NOS
D. modem
Answer: C
2.
The network architecture used in most home networks is:
A. client-server LAN.
B. peer-to-peer LAN.
C. client-server WAN.
D. peer-to-peer WAN.
Answer: B
3.
You must install a(n) ____________ on a network if you want to share a broadband Internet
connection.
A. router
B. modem
C. node
D. cable
Answer: A
4.
Which of the following statements concerning peer-to-peer networks is FALSE?
A. A peer-to-peer network is the most common example of a locally controlled network.
B. Peer-to-peer networks cost more than client/server networks and are more difficult to
maintain.
C. Each node on a peer-to-peer network can communicate directly with every other node on
the network.
D. Peer-to-peer networks are the most common type of home network.
Answer: B
5.
The design of the network is called the network:
A. architecture.
B. server.
C. transmission.
D. type.
Answer: A
6.
Data transfer rate (also called bandwidth) is the ____________ speed at which data can be
transmitted between two nodes on a network.
A. average
B. minimum
C. actual
D. maximum
Answer: D
7.
____________ are the navigation devices that act as the “traffic cops” of the network and forward
packets to nodes on the same network (not between two networks).
A. NICs
B. Routers
C. Switches
D. Modems
Answer: C
8.
Which of the following statements is FALSE concerning Ethernet networks?
A. Cat 5e UTP cable is recommended for Ethernet networks.
B. Cat 5 UTP supports a data transmission rate of 1 Gbps.
C. Ethernet typically uses an RJ-45 connector.
D. When using UTP, a cable run cannot exceed 328 feet.
Answer: B
9.
Devices installed on long cable runs to amplify the signal are called:
A. repeaters.
B. adapters.
C. switches.
D. routers.
Answer: A
10.
A network navigation device that merely retransmits a signal to all other nodes attached to it is
a(n):
A. router.
B. NIC.
C. hub.
D. adapter.
Answer: C
11.
The network navigation device known as a “smart hub” that transmits a signal only to the node to
which it should be sent is a(n):
A. router.
B. switch.
C. NIC.
D. adapter.
Answer: B
12.
A ____________ is a device, contained in a wireless network adapter, that translates the electronic
data on a network into radio waves and broadcasts the radio waves to other nodes on the network.
A. router
B. switch
C. hub
D. transceiver
Answer: D
13.
A switch is also known as a(n):
A. smart hub.
B. DSL modem.
C. smart router.
D. cable modem.
Answer: A
14.
When creating a phoneline network, it is necessary to install a(n) ____________ adapter.
A. wireless
B. phone cord
C. home phoneline network
D. Digital Subscriber Line (DSL)
Answer: C
15.
____________ adapters, used on a power-line network, are available in either USB or Ethernet
versions.
A. Power-line network
B. Peer-to-peer network
C. Phoneline network
D. Wireless network
Answer: A
16.
All of the following statements concerning client/server networks are true EXCEPT:
A. one computer on a client/server network must act as a server.
B. there is no centralized security or administration on a client/server network.
C. most networks that have 10 or more nodes are client/server networks.
D. the Internet is an example of a client/server network.
Answer: B
17.
Which of the following types of network adapter card is most likely to be preinstalled in a typical
home computer?
A. Ethernet
B. power-line adapter
C. wireless adapter
D. HPNA adapter
Answer: A
18.
If a home network is connected to the Internet a ____________ is required to send data between
the two networks.
A. router
B. repeater
C. switch
D. network operating system
Answer: A
19.
CAT 5, CAT 5E, and CAT 6 are all types of:
A. network adapters.
B. Ethernet ports.
C. UTP cables.
D. connector jacks.
Answer: C
20.
A wireless network uses ____________ as its transmission media.
A. cables
B. radio waves
C. twisted pair
D. fiber optics
Answer: B
21.
The main difference between the various 802.11 standards is the:
A. data transfer rate.
B. maximum allowable cable length.
C. simplicity of installation.
D. collision detection rate.
Answer: A
22.
The transceiver is the device that converts electronic data into ____________ for broadcast to
other network nodes.
A. packets
B. radio waves
C. WAPs
D. 802.11 standards
Answer: B
23.
If you wish to extend the length of the network without having the signal degrade, you would use
a:
A. repeater.
B. router.
C. gateway.
D. switch.
Answer: A
24.
If computers in a wireless network are unable to connect to the wireless router, adding a(n)
____________ extends the range of the wireless network by providing a second point to which the
nodes can connect to the network.
A. router
B. Internet portal
C. cable modem
D. wireless access point
Answer: D
25.
In network terminology, a(n) ____________ is a wireless router that combines the capabilities of a
wired router with the ability to receive wireless signals.
A. hub
B. gateway
C. adapter
D. Ethernet port
Answer: B
26.
If you frequently need to transfer streaming video or very large files between computers, which of
the following networks would be the best choice?
A. Ethernet
B. wireless
C. power-line
D. phoneline
Answer: A
27.
The ____________ operating system assists with configuring home networks with a Network
Setup Wizard.
A. Windows 98
B. Windows ME
C. Windows XP
D. DOS
Answer: C
28.
In a(n) ____________ network, any electrical outlet provides a network connection.
A. wireless
B. power-line
C. phoneline
D. Ethernet
Answer: B
29.
In a(n) ____________ network, any phone jack provides a network connection.
A. phoneline
B. power-line
C. 802.11g
D. Ethernet
Answer: A
30.
A computer virus attaches itself to and attempts to hide within the code of a(n) ____________
program.
A. zombie
B. Trojan horse
C. host
D. worm
Answer: C
31.
____________ viruses replicate themselves to the Master Boot Record whenever the computer
boots up, ensuring that the virus will be loaded into memory before some virus protection
programs are loaded.
A. Zombie
B. Trojan horse
C. Worm
D. Boot-sector
Answer: D
32.
____________ viruses are often transmitted by a floppy disk left in the floppy disk drive.
A. Boot-sector
B. Trojan horse
C. Script
D. Logic bomb
Answer: A
33.
____________ are viruses that are triggered when certain logical conditions are met.
A. Boot-sector viruses
B. Logic bombs
C. Macro viruses
D. Worms
Answer: B
34.
____________viruses attach themselves to documents such as Word and Excel.
A. Boot-sector
B. Trojan horse
C. DOS
D. Macro
Answer: D
35.
A numbered communication gateway or path, used to organize requests for information, that is
assigned for a commonly used network service such as SMTP or HTTP is called a:
A. protocol.
B. physical port.
C. logical port.
D. packet filter.
Answer: C
36.
Which of the following would most likely NOT be a symptom of a virus?
A. Existing program files and icons disappear.
B. The CD-ROM stops functioning.
C. The Web browser opens to an unusual home page.
D. Odd messages or images are displayed on the screen.
Answer: B
37.
Blocking access to logical ports is a common method used by ____________ for maximizing
computer security.
A. switches
B. Web browsers
C. firewalls
D. access points
Answer: C
38.
____________ are a series of commands, actually mini programs that are executed without your
knowledge.
A. Scripts
B. Trojan horses
C. Worms
D. Boot-sector viruses
Answer: A
39.
A firewall’s ability to examine incoming and outgoing information and prevent the use of
unauthorized logical ports is known as:
A. packet filtering.
B. logical port blocking.
C. Network Address Translation.
D. network key distribution.
Answer: A
40.
Classifications of viruses by the methods they take to avoid detection by antivirus software
include all of the following EXCEPT:
A. polymorphic.
B. multipartite.
C. encryption.
D. stealth.
Answer: C
41.
The purpose of Network Address Translation is to:
A. translate an IP address to a text-based URL.
B. hide user IP addresses from the Internet.
C. convert logical ports to physical port configurations.
D. dynamically assign IP addresses via an ISP.
Answer: B
42.
When you set up a router for a wireless network, the router uses a default network name known as
the:
A. service set identifier (SSID).
B. router address.
C. MAC address.
D. IP identifier.
Answer: A
43.
Wired Equivalent Privacy (WEP) and Wi-Fi Protected Access (WPA) are examples of:
A. packet filtering services.
B. network address translation protocols.
C. security protocols.
D. service set identifiers.
Answer: C
44.
A ____________ is the name given to a computer that is controlled by hackers through the
installation of a backdoor program and used to flood a target computer with bogus requests.
A. zombie
B. worm
C. DoS
D. Trojan horse
Answer: A
45.
Wired Equivalent Privacy (WEP) and Wi-Fi Protected Access (WPA) use ____________ to
protect data.
A. packet filtering
B. network address translation
C. encryption
D. service set identifiers
Answer: C
46.
____________ are viruses that are triggered by the passage of time or on a certain date.
A. Boot-sector viruses
B. Macro viruses
C. Time bombs
D. Worms
Answer: C
47.
Unlike other viruses, ____________ are viruses that can run independently of host file execution
and are much more active in spreading themselves.
A. boot-sector viruses
B. time bombs
C. Trojan horses
D. worms
Answer: D
48.
____________ viruses temporarily erase their code from the files where they reside and hide in
active memory.
A. Multipartite
B. Stealth
C. Polymorphic
D. Script
Answer: B
49.
All of the following are recommended to secure a wireless network EXCEPT:
A. changing the default password on your router.
B. turning on security protocols.
C. using static IP addressing.
D. restricting access to the network to certain MAC addresses.
Answer: C
50.
If a virus signature or other suspicious activity is detected by the antivirus software, it places the
virus in a secure area of the hard drive so that it won’t spread infection to other files. This
procedure is known as:
A. inoculation.
B. automatic updating.
C. encryption.
D. quarantining.
Answer: D