Question 1

If a signal has a strength of 100 mW at 10 meters,how strong will it be at 100 meters?

Accepted Answer

A)  about 10 mW 
B)  about 1 mW 
C)  about 0.1 
D)  none of the above 
A)  about 10 mW 
B)  about 1 mW 
C)  about 0.1 
D)  none of the above

Question 2

When a receiver transmits an ACK,________.

Accepted Answer

A)  it must use CSMA/CA 
B)  it must use CSMA 
C)  in must use CA 
D)  it must transmit immediately 
A)  it must use CSMA/CA 
B)  it must use CSMA 
C)  in must use CA 
D)  it must transmit immediately

Question 3

The 60 GHz unlicensed service band offers ________ compared to lower-frequency service bands.

Accepted Answer

A)  more speed per channel 
B)  greater propagation distance 
C)  greater ability to penetrate walls 
D)  all of the above 
A)  more speed per channel 
B)  greater propagation distance 
C)  greater ability to penetrate walls 
D)  all of the above

Question 4

In general,the fewer the channels,________.

Accepted Answer

A)  the greater the likelihood of interference between access points 
B)  the smaller the individual channels will be 
C)  both A and B 
D)  neither A nor B 
A)  the greater the likelihood of interference between access points 
B)  the smaller the individual channels will be 
C)  both A and B 
D)  neither A nor B

Question 5

The frequency spectrum extends ________.

Accepted Answer

A)  into the gigahertz range 
B)  into the visible light range 
C)  into the ultraviolet range 
D)  to infinity 
A)  into the gigahertz range 
B)  into the visible light range 
C)  into the ultraviolet range 
D)  to infinity

Question 6

In CSMA/CD+ACK,when a wireless NIC wishes to transmit,it listens for traffic.If there is traffic,it waits.When the traffic stops,it may transmit immediately.

Accepted Answer

A)  always true 
B)  sometimes true 
C)  always false 
A)  always true 
B)  sometimes true 
C)  always false

Question 7

Which of the following is true of 802.11ay over 802.11ad?

Accepted Answer

A)  greater propagation speed 
B)  greater propagation distance 
C)  both A and B 
D)  neither A nor B 
A)  greater propagation speed 
B)  greater propagation distance 
C)  both A and B 
D)  neither A nor B

Question 8

Which is one of the only two reliable protocols we have seen this term?

Accepted Answer

A)  IP 
B)  CSMA/CA+ACK 
C)  UDP 
D)  802.3 
A)  IP 
B)  CSMA/CA+ACK 
C)  UDP 
D)  802.3

Question 9

Which of the following is more efficient and faster?

Accepted Answer

A)  CSMA/CA+ACK 
B)  RTS/CTS 
C)  Both are about equally efficient and fast. 
A)  CSMA/CA+ACK 
B)  RTS/CTS 
C)  Both are about equally efficient and fast.

Question 10

________ is a wireless network standard.

Accepted Answer

A)  OSI 
B)  TCP/IP 
C)  both A and B 
D)  neither A nor B 
A)  OSI 
B)  TCP/IP 
C)  both A and B 
D)  neither A nor B

Question 11

If there is an access point that serves eight wireless hosts,on how many channels will these devices transmit and receive during the course of an hour or two?

Accepted Answer

A)  1 
B)  2 
C)  8 
D)  9 
A)  1 
B)  2 
C)  8 
D)  9

Question 12

MIMO ________.

Accepted Answer

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

If a signal has a strength of 100 mW at 10 meters,how strong will it be at 100 meters?

When a receiver transmits an ACK,________.

The 60 GHz unlicensed service band offers ________ compared to lower-frequency service bands.

In general,the fewer the channels,________.

The frequency spectrum extends ________.

In CSMA/CD+ACK,when a wireless NIC wishes to transmit,it listens for traffic.If there is traffic,it waits.When the traffic stops,it may transmit immediately.

Which of the following is true of 802.11ay over 802.11ad?

Which is one of the only two reliable protocols we have seen this term?

Which of the following is more efficient and faster?

________ is a wireless network standard.

If there is an access point that serves eight wireless hosts,on how many channels will these devices transmit and receive during the course of an hour or two?

MIMO ________.

Core Network Concepts and Terminology

Network Standards

Network Management

Network Security

Ethernet 802.3switched Lans

Wireless Lans II

TCP/IP Internetworking I

TCP/IP Internetworking II

Carrier Wide Area Networks Wans

Networked Applications

Appendix: Managing the Security Process

Filters

Exam 6: Wireless Lans I

If a signal has a strength of 100 mW at 10 meters,how strong will it be at 100 meters?

When a receiver transmits an ACK,________.

The 60 GHz unlicensed service band offers ________ compared to lower-frequency service bands.

In general,the fewer the channels,________.

The frequency spectrum extends ________.

In CSMA/CD+ACK,when a wireless NIC wishes to transmit,it listens for traffic.If there is traffic,it waits.When the traffic stops,it may transmit immediately.

Which of the following is true of 802.11ay over 802.11ad?

Which is one of the only two reliable protocols we have seen this term?

Which of the following is more efficient and faster?

________ is a wireless network standard.

If there is an access point that serves eight wireless hosts,on how many channels will these devices transmit and receive during the course of an hour or two?

MIMO ________.

Core Network Concepts and Terminology

Network Standards

Network Management

Network Security

Ethernet 802.3switched Lans

Wireless Lans II

TCP/IP Internetworking I

TCP/IP Internetworking II

Carrier Wide Area Networks Wans

Networked Applications

Appendix: Managing the Security Process

Filters