Multiple Choice
Identify the
letter of the choice that best completes the statement or answers the question.
|
|
|
1.
|
_____
measures the speed a transmission medium is able to handle in bits per second. a. | Bandwidth | c. | Broadwidth | b. | Byte capacity | d. | Bit capacity | | | | |
|
|
|
2.
|
The
tendency of a signal to become weaker over distance is known as _____. a. | alienation | c. | amplification | b. | amelioration | d. | attenuation | | | | |
|
|
|
3.
|
_____
media are physical media such as copper wire or fiber-optic cable. a. | Directed
| c. | Oriented | b. | Guided | d. | Undirected | | | | |
|
|
|
4.
|
Twisting copper wires nearly eliminates the electromagnetic effect known as
_____. a. | inductance | c. | resistance | b. | impedance | d. | resonance | | | | |
|
|
|
5.
|
Fiber-optic cables use _____ fibers to guide light pulses along a
cable. a. | plastic | c. | ceramic | b. | glass | d. | tungsten | | | | |
|
|
|
6.
|
A(n)
_____ is a set of rules designed to facilitate communication. a. | protocol | c. | code | b. | accord | d. | procedure | | | | |
|
|
|
7.
|
The
OSI conceptual model for the communication process has _____ discrete layers. a. | four | c. | seven | b. | five | d. | nine | | | | |
|
|
|
8.
|
The
_____ layer of the OSI model is responsible for translation, formatting, and syntax
selection. a. | Session | c. | Data
Link | b. | Presentation | d. | Application | | | | |
|
|
|
9.
|
A
_____ is a relatively small number of computers connected together in close proximity, usually within
a building or complex.
|
|
|
10.
|
In a
_____ topology, one of the computers or a network device serves as a hub for all
messages.
|
|
|
11.
|
A
widely used technology that has become an industry standard for LANs is _____. a. | Ethernet | c. | FDDI | b. | token ring | d. | ATM | | | | |
|
|
|
12.
|
_____
direct network traffic based on the logical (IP) addresses assigned at the third layer of the OSI
stack. a. | Hubs | c. | Gateways | b. | Bridges | d. | Routers | | | | |
|
|
|
13.
|
A
_____ is a device designed to protect an internal network or node from intentional or unintentional
damage from an external network. a. | firewall | c. | fence | b. | gate | d. | barricade | | | | |
|
|
|
14.
|
_____
convert binary digits into sounds by modulating or modifying a tone. a. | Oscilloscopes | c. | Modems | b. | Transformers | d. | Transceivers | | | | |
|
|
|
15.
|
Because of attenuation, a DSL subscriber is required to be no more than _____ feet
away from the nearest telephone company switching office. a. | 1,800 | c. | 12,500 | b. | 6,500 | d. | 18,000 | | | | |
|
|
|
16.
|
Which
of the following WAN technologies use the same unguided media as television? a. | satellite | c. | cable | b. | DSL | d. | dial-up | | | | |
|
|
|
17.
|
The
acronym HTTP stands for _____. a. | Heuristic Transport Type
Protocol | c. | Hypertext
Transfer Protocol | b. | Hexadecimal Task Test Protocol | d. | Hypertext Transition Protocol | | | | |
|
|
|
18.
|
Central to the operation of the IP protocol is the IP _____ of both the source and
destination. a. | name | c. | signifier | b. | location | d. | address | | | | |
|
|
|
19.
|
The
total pool of IPv4 addresses is separated into groups, called _____. a. | classes | c. | aggregations | b. | entities | d. | clusters | | | | |
|
|
|
20.
|
The
_____ protocol allows each computer to automatically be assigned an IP address each time it is
started up.
|
|
|
21.
|
Using
_____, a packet can just be sent on an alternate line if the desired line is damaged or
busy. a. | hubs | c. | switches | b. | routers | d. | linkers | | | | |
|
|
|
22.
|
The
_____ protocol establishes a link from an e-mail client to a mail server.
|
|
|
23.
|
The
_____ protocol is used to provide the reliable and efficient transmission of data
files.
|
|
|
24.
|
The
problem of having to remember IP addresses was solved by allowing Web servers to have _____
names. a. | range | c. | resource | b. | locator | d. | domain | | | | |
|
|
|
25.
|
When
you type in a URL in the address bar of your browser, you send a _____ lookup request to the _____
server at your ISP.
|
|
|
26.
|
You
can check the network configuration of your computer in Windows by using the _____
command. a. | IPSETUP | c. | NETWORK | b. | IPCONFIG | d. | NETDESIGN | | | | |
|
|
|
27.
|
The
_____ server is just a computer that is programmed to respond to HTTP requests. a. | Network | c. | Internet | b. | Protocol | d. | Web | | | | |
|
|
|
28.
|
HTML
and the Web connect one page to another through _____. a. | overlinks | c. | hyperlinks | b. | higherjoins | d. | cyberbridges | | | | |
|