Question 1

Wider channel bandwidth ________.

Accepted Answer

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

Question 2

If two products both comply with 802.11 ac,their performance will always be similar.

Accepted Answer

A) True 
 B)False

Question 3

WLANs normally use ________.

Accepted Answer

A)  licensed bands 
B)  unlicensed bands 
C)  both A and B 
D)  neither A or B 
A)  licensed bands 
B)  unlicensed bands 
C)  both A and B 
D)  neither A or B

Question 4

If you want to transmit 7 times as fast in radio,you need to use ________.

Accepted Answer

A)  channels that are about 7 times as wide 
B)  channels that are about 49 times as wide 
C)  spread spectrum transmission 
D)  none of the above 
A)  channels that are about 7 times as wide 
B)  channels that are about 49 times as wide 
C)  spread spectrum transmission 
D)  none of the above

Question 5

To handle multiple conversations in 802.11 transmission,you normally use multiple ________.

Accepted Answer

A)  channels 
B)  frequencies 
C)  service bands 
D)  wires 
A)  channels 
B)  frequencies 
C)  service bands 
D)  wires

Question 6

Wi-Fi is a term used by the ________.

Accepted Answer

A)  IEEE 
B)  Wi-Fi Alliance 
C)  both A and B 
D)  neither A nor B 
A)  IEEE 
B)  Wi-Fi Alliance 
C)  both A and B 
D)  neither A nor B

Question 7

The set of frequencies used for police communication in a city are ________.

Accepted Answer

A)  channels 
B)  frequencies 
C)  spectrums 
D)  none of the above 
A)  channels 
B)  frequencies 
C)  spectrums 
D)  none of the above

Question 8

Today,Wi-Fi sales are dominated by ________.

Accepted Answer

A)  802.11a 
B)  802.11g 
C)  802.11n 
D)  802.11ac 
A)  802.11a 
B)  802.11g 
C)  802.11n 
D)  802.11ac

Question 9

________ have SSIDs.

Accepted Answer

A)  Wireless clients 
B)  Wireless access points 
C)  both A and B 
D)  neither A nor B 
A)  Wireless clients 
B)  Wireless access points 
C)  both A and B 
D)  neither A nor B

Question 10

MIMO ________.

Accepted Answer

A)  increases transmission speed 
B)  increases transmission distance 
C)  both A and B 
D)  neither A nor B 
A)  increases transmission speed 
B)  increases transmission distance 
C)  both A and B 
D)  neither A nor B

Question 11

If another wireless device is near,but in an unknown direction,it is better to use ________.

Accepted Answer

A)  an omnidirectional antenna 
B)  a dish antenna 
C)  neither A nor B 
A)  an omnidirectional antenna 
B)  a dish antenna 
C)  neither A nor B

Question 12

A wireless host sends a packet to a server on the company's wired Ethernet LAN via an access point.How many frames will be involved in this one-way transmission?

Accepted Answer

A)  1 
B)  2 
C)  4 
D)  There will be one frame for each switch along the way. 
A)  1 
B)  2 
C)  4 
D)  There will be one frame for each switch along the way.

Question 13

When does it make sense to use RTS/CTS?

Accepted Answer

A)  when all devices can hear each other 
B)  when not all of the devices can hear each other 
C)  when efficiency is crucial 
D)  always 
A)  when all devices can hear each other 
B)  when not all of the devices can hear each other 
C)  when efficiency is crucial 
D)  always

Question 14

If a signal has a strength of 100 mW at 10 meters,how strong will it be at 40 meters?

Accepted Answer

A)  about 0.5 mW 
B)  about 5 mW 
C)  about 25 mW 
D)  about 6 mW 
A)  about 0.5 mW 
B)  about 5 mW 
C)  about 25 mW 
D)  about 6 mW

Question 15

Wireless network standards operate at ________.

Accepted Answer

A)  the data link layer 
B)  the Internet layer 
C)  both A and B 
D)  neither A nor B 
A)  the data link layer 
B)  the Internet layer 
C)  both A and B 
D)  neither A nor B

Question 16

Many 802.11 standards work in the 5 GHz_____.

Accepted Answer

A)  licensed spectrum 
B)  unlicensed spectrum 
C)  licensed service band 
D)  unlicensed service band 
A)  licensed spectrum 
B)  unlicensed spectrum 
C)  licensed service band 
D)  unlicensed service band

Question 17

________ is among the most widely used 802.11 transmission standards used today.

Accepted Answer

A)  802.11g 
B)  802.11ac 
C)  both A and B 
D)  neither A nor B 
A)  802.11g 
B)  802.11ac 
C)  both A and B 
D)  neither A nor B

Question 18

Simple installation rules are sufficient to reduce propagation problems to nonissues in ________.

Accepted Answer

A)  802.3 
B)  802.11 
C)  both A and B 
D)  neither A nor B 
A)  802.3 
B)  802.11 
C)  both A and B 
D)  neither A nor B

Question 19

In an extended service set,each access point ________.

Accepted Answer

A)  must have the same SSID 
B)  must have a different SSID 
C)  must have a coordinated SSID 
D)  none of the above 
A)  must have the same SSID 
B)  must have a different SSID 
C)  must have a coordinated SSID 
D)  none of the above

Question 20

Signals in a transmission usually ________.

Accepted Answer

A)  travel at a single frequency 
B)  spread over a range of frequencies 
C)  spread over the entire frequency distribution 
D)  spread over the entire service band 
A)  travel at a single frequency 
B)  spread over a range of frequencies 
C)  spread over the entire frequency distribution 
D)  spread over the entire service band

Wider channel bandwidth ________.

If two products both comply with 802.11 ac,their performance will always be similar.

WLANs normally use ________.

If you want to transmit 7 times as fast in radio,you need to use ________.

To handle multiple conversations in 802.11 transmission,you normally use multiple ________.

Wi-Fi is a term used by the ________.

The set of frequencies used for police communication in a city are ________.

Today,Wi-Fi sales are dominated by ________.

________ have SSIDs.

MIMO ________.

If another wireless device is near,but in an unknown direction,it is better to use ________.

A wireless host sends a packet to a server on the company's wired Ethernet LAN via an access point.How many frames will be involved in this one-way transmission?

When does it make sense to use RTS/CTS?

If a signal has a strength of 100 mW at 10 meters,how strong will it be at 40 meters?

Wireless network standards operate at ________.

Many 802.11 standards work in the 5 GHz_____.

________ is among the most widely used 802.11 transmission standards used today.

Simple installation rules are sufficient to reduce propagation problems to nonissues in ________.

In an extended service set,each access point ________.

Signals in a transmission usually ________.

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

Wider channel bandwidth ________.

If two products both comply with 802.11 ac,their performance will always be similar.

WLANs normally use ________.

If you want to transmit 7 times as fast in radio,you need to use ________.

To handle multiple conversations in 802.11 transmission,you normally use multiple ________.

Wi-Fi is a term used by the ________.

The set of frequencies used for police communication in a city are ________.

Today,Wi-Fi sales are dominated by ________.

________ have SSIDs.

MIMO ________.

If another wireless device is near,but in an unknown direction,it is better to use ________.

A wireless host sends a packet to a server on the company's wired Ethernet LAN via an access point.How many frames will be involved in this one-way transmission?

When does it make sense to use RTS/CTS?

If a signal has a strength of 100 mW at 10 meters,how strong will it be at 40 meters?

Wireless network standards operate at ________.

Many 802.11 standards work in the 5 GHz_____.

________ is among the most widely used 802.11 transmission standards used today.

Simple installation rules are sufficient to reduce propagation problems to nonissues in ________.

In an extended service set,each access point ________.

Signals in a transmission usually ________.

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