Question 1

Which of the following has longer range?

Accepted Answer

A)  802.11g
B)  802.11n
C)  Both have about the same range.

Question 2

In unlicensed bands,________.

Accepted Answer

A)  you can use radios wherever you please
B)  you can prevent nearby businesses from setting up access points in the same channel
C)  both A and B
D)  neither A nor B

Question 3

A channel has more bandwidth than is necessary given data transmission speeds requirements in ________ transmission.

Accepted Answer

A)  normal radio
B)  reliable commercial
C)  spread spectrum
D)  licensed

Question 4

The 5 GHz band supports about ________ nonoverlapping 20 MHz channel(s) .

Accepted Answer

A)  1
B)  3
C)  6
D)  12

Question 5

Using unused transmission channels in a service band is called using ________.

Accepted Answer

A)  dark spectrum
B)  a smart antenna
C)  opportunistic agility
D)  white space

Question 6

When a host moves from one wireless access point to another in a WLAN,this is ________.

Accepted Answer

A)  a handoff
B)  roaming
C)  both A and B
D)  neither A nor B

Question 7

Wider channel bandwidth ________.

Accepted Answer

A)  decreases transmission speed
B)  allows more channels to be used in a service band
C)  both A and B
D)  neither A nor B

Question 8

________ is a technique for preventing two wireless stations from transmitting at the same time and therefore interfering with each other.

Accepted Answer

A)  Creating extended service sets
B)  Roaming
C)  The distribution system
D)  Media access control

Question 9

Frequency is measured in terms of ________.

Accepted Answer

A)  nanometers
B)  hertz
C)  both A and B
D)  neither A nor B

Question 10

Another name for beamforming is having a smart antenna.

Accepted Answer

A) True 
 B)False

Question 11

Beamforming can direct signal strength at individual wireless hosts

Accepted Answer

A) True 
 B)False

Question 12

The total range of possible 802.11 WLAN frequencies in the 2.4 GHz band constitutes ________.

Accepted Answer

A)  a frequency spectrum
B)  a broadband
C)  a channel
D)  a service band

Question 13

MIMO ________.

Accepted Answer

A)  increases throughput
B)  lowers propagation distance
C)  both A and B
D)  neither A nor B

Question 14

Attenuation increases with distance faster with ________.

Accepted Answer

A)  UTP transmission
B)  radio transmission
C)  both A and B about equally

Question 15

The presence of a client that is distant from the access point reduces the individual throughput of other clients served by that access point.

Accepted Answer

A) True 
 B)False

Question 16

802.11 standards are being developed to work in the ________ unlicensed band.

Accepted Answer

A)  2) 4 GHz
B)  5 GHz
C)  both A and B
D)  neither A nor B

Question 17

To connect to an access point,you must know its ________.

Accepted Answer

A)  BSSID
B)  DSS
C)  ESSID
D)  none of the above

Question 18

In the 60 GHz service band,________.

Accepted Answer

A)  signals travel farther
B)  channel bandwidth can be very wide
C)  both A and B
D)  neither A nor B

Question 19

Channels with wide bandwidths are called ________ channels.

Accepted Answer

A)  multimode
B)  full-duplex
C)  broadband
D)  modulated

Question 20

Wireless access points typically link wireless clients to ________.

Accepted Answer

A)  wireless servers
B)  servers on the wired network
C)  both A and B

Exam 6: Wireless Lans I

A channel has more bandwidth than is necessary given data transmission speeds requirements in ________ transmission.

Correct AnswerverifiedShow Answer

Using unused transmission channels in a service band is called using ________.

Correct AnswerverifiedShow Answer

Attenuation increases with distance faster with ________.

Correct AnswerverifiedShow Answer

Which of the following has longer range?

Correct AnswerverifiedShow Answer

The total range of possible 802.11 WLAN frequencies in the 2.4 GHz band constitutes ________.

Correct AnswerverifiedShow Answer

Channels with wide bandwidths are called ________ channels.

Correct AnswerverifiedShow Answer

Frequency is measured in terms of ________.

Correct AnswerverifiedShow Answer

To connect to an access point,you must know its ________.

Correct AnswerverifiedShow Answer

Another name for beamforming is having a smart antenna.

Correct AnswerverifiedShow Answer

802.11 standards are being developed to work in the ________ unlicensed band.

Correct AnswerverifiedShow Answer

Beamforming can direct signal strength at individual wireless hosts

Correct AnswerverifiedShow Answer

Wider channel bandwidth ________.

Correct AnswerverifiedShow Answer

MIMO ________.

Correct AnswerverifiedShow Answer

________ is a technique for preventing two wireless stations from transmitting at the same time and therefore interfering with each other.

Correct AnswerverifiedShow Answer

When a host moves from one wireless access point to another in a WLAN,this is ________.

Correct AnswerverifiedShow Answer

The presence of a client that is distant from the access point reduces the individual throughput of other clients served by that access point.

Correct AnswerverifiedShow Answer

Wireless access points typically link wireless clients to ________.

Correct AnswerverifiedShow Answer

The 5 GHz band supports about ________ nonoverlapping 20 MHz channel(s) .

Correct AnswerverifiedShow Answer

In unlicensed bands,________.

Correct AnswerverifiedShow Answer

In the 60 GHz service band,________.

Correct AnswerverifiedShow Answer

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