True/False
Indicate whether the sentence or statement is true
or false.
|
|
|
1.
|
Only
one type of wireless NIC is available for laptop computers.
|
|
|
2.
|
CF
cards consist of a small circuit board that contains flash memory chips and a dedicated controller
chip.
|
|
|
3.
|
If a
remote wireless bridge is in repeater mode it functions as a standard AP only and does not
communicate with other remote wireless bridges.
|
|
|
4.
|
De
facto standards are not actually standards at all.
|
|
|
5.
|
The
IEEE 802.11g draft was a compromise based on input from several different chip (microprocessor)
manufacturers, who had a major stake in the outcome.
|
Multiple Choice
Identify the
letter of the choice that best completes the statement or answers the question.
|
|
|
6.
|
What
is another name for a NIC? a. | client network adapter | c. | access point | b. | mini
PCI | d. | bridge | | | | |
|
|
|
7.
|
A(n)
____ card improves input/output speed over a PC Card by increasing the bus width to 32 bits yet still
supports lower-voltage PC Cards. a. | mini PCI | c. | built-in | b. | CardBus | d. | access
point | | | | |
|
|
|
8.
|
A
device called a ____ must sometimes be attached to a PDA in order to establish a wireless
connection. The device contains a slot for a wireless NIC or similar device. a. | shoe | c. | sled | b. | slot | d. | bridge | | | | |
|
|
|
9.
|
Which
of the following statements describes the difference between a CF wireless NIC and a PC
card? a. | PC card is
smaller than CF | b. | PC card consumes less power than CF | c. | PC card is
larger than CF | d. | CF requires separate antenna to be built into
monitor | | |
|
|
|
10.
|
Beginning with Windows ____, all Microsoft desktop operating systems recognize a
wireless NIC without the need for any external software drivers.
|
|
|
11.
|
An
access point has a(n) ____ wired network interface that allows it to connect by cable to a standard
wired network. a. | IEEE
802 | c. | compact
flash | b. | RJ-45 | d. | PCI | | | | |
|
|
|
12.
|
Most
industry experts recommend one access point for no more than ____ users if they are performing basic
e-mail, light Web surfing, and occasionally transferring medium-sized files.
|
|
|
13.
|
How
does an access point receive electrical power if it is mounted in a location that is not close to an
electrical outlet? a. | through radio waves | b. | through the
unused wires in a standard unshielded twisted pair (UTP) Ethernet cable | c. | through a USB
cable | d. | it must be mounted near an outlet | | |
|
|
|
14.
|
Most
bridges have what is known as ____ that minimizes the spread of the signal so that it can
reach farther distances. a. | delay spread | c. | scheduled delays | b. | interspersed
communications | d. | multipoint
scheduling | | | | |
|
|
|
15.
|
Which
type of remote wireless bridge connection is used to connect multiple LAN segments
together? a. | segment-to-segment | c. | point-to-point | b. | multipoint-to-multipoint | d. | point-to-multipoint | | | | |
|
|
|
16.
|
If a
remote wireless bridge is set to ____, it can only transmit to another bridge in root
mode. a. | access point
mode | c. | non-root
mode | b. | root
mode | d. | repeater
mode | | | | |
|
|
|
17.
|
What
function is performed by a wireless gateway? a. | authentication | c. | bandwidth management | b. | encryption | d. | All of the
above | | | | |
|
|
|
18.
|
What
is a disadvantage of standards? a. | reduced competition | b. | devices produced
by different vendors may not interoperate | c. | higher prices | d. | they can open
domestic markets in larger countries to overseas competition | | |
|
|
|
19.
|
Microsoft Windows has become the ____ standard operating system today for personal
desktop computers and network servers. a. | de facto | c. | consortia | b. | de
jure | d. | All of the
above | | | | |
|
|
|
20.
|
Ultimately, who regulates standards that are developed by consortia? a. | a regulatory
body | c. | the
government | b. | the marketplace | d. | the manufacturers | | | | |
|
|
|
21.
|
What
is the name for the computer network architecture standards developed by the IEEE? a. | Project
Athena | c. | Project
802 | b. | Project
Network | d. | Project
1000 | | | | |
|
|
|
22.
|
Which
IEEE committee establishes standards for wireless wide area networks? a. | 802.3 | c. | 802.13 | b. | 802.11 | d. | 802.16 | | | | |
|
|
|
23.
|
When
a business is registered as a ____ they are qualified be placed in an online database of wireless
hotspot locations. a. | Wi-Fi Alliance member | c. | SOHO | b. | Wi-Fi Zone | d. | WECA | | | | |
|
|
|
24.
|
The
radio frequency spectrum is divided into ____ different sections or bands.
|
|
|
25.
|
The
IEEE 802.11 standard outlines the use of ____ transmissions for WLANs. a. | diffused
infrared | c. | radio
wave | b. | directed
infrared | d. | gallium
arsenide | | | | |
|
|
|
26.
|
The
802.11b standard can support wireless devices that are up to ____ meters apart.
|
Completion
Complete each sentence or
statement.
|
|
|
27.
|
A(n)
____________________ is a small card that is functionally equivalent to a standard PCI expansion
card.
|
|
|
28.
|
Access points are typically mounted on a(n) ____________________ to reduce
interference from surrounding objects.
|
|
|
29.
|
Remote wireless ____________________ are ideal solutions for connecting sites such as
satellite offices, remote campus settings, or temporary office locations when the sites are separated
by obstacles such as bodies of water, freeways, or railroads that make using a wired connection
impractical or very expensive.
|
|
|
30.
|
The
goal of a(n) ____________________ is to develop standard that promote their specific technology in a
short period of time.
|
|
|
31.
|
____________________ bands are in effect bands of the radio spectrum that are
available nationwide to all users, without requiring a license.
|
Matching
|
|
|
Match each term with the correct statement below. a. | wireless
gateway | f. | flash
memory | b. | IEEE | g. | NIC | c. | bridge | h. | de jure standards | d. | mini
PCI | i. | FCC | e. | de facto standard | | | | |
|
|
|
32.
|
serves as the primary regulatory agency for wireless communications in the United
States and its territorial possessions
|
|
|
33.
|
device that connects the computer to the network so that it can send and receive
data
|
|
|
34.
|
device that combines wireless management and security in a single
appliance
|
|
|
35.
|
type
of solid-state (microchip) storage technology in which there are no moving parts
|
|
|
36.
|
common practices that the industry follows for various reasons, ranging from
ease of use to tradition to what the majority of the users do
|
|
|
37.
|
small
card that is functionally equivalent to a standard PCI expansion card
|
|
|
38.
|
standards that are controlled by an organization or body that has been entrusted with
that task
|
|
|
39.
|
device that is used to connect two network segments together
|
|
|
40.
|
world’s largest technical professional society with members around the
globe
|
Short Answer
|
|
|
41.
|
What
are the steps involved in a wireless NIC transmission?
|
|
|
42.
|
What
are the two functions of an access point?
|
|
|
43.
|
A
remote wireless bridge can function in one of four different modes. Describe each
mode.
|
|
|
44.
|
List
at least three advantages of standards for wireless technology.
|
|
|
45.
|
What
are de jure standards?
|
|
|
46.
|
What
are the current IEEE committees for wireless standards?
|
|
|
47.
|
What
are the responsibilities of the FCC?
|
|
|
48.
|
Describe infrared transmissions as they are used for wireless networks.
|
|
|
49.
|
Describe the IEEE 802.11b standard.
|
|
|
50.
|
What
is IEEE 802.11n?
|