Question 1

Which of the following is the newest Wi-Fi standard?

Accepted Answer

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

Question 2

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. A

Question 3

In an extended service set,each access point ________.

Accepted Answer

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

Question 4

________ 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 5

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 6

Companies are moving to the 5 GHz band because there is ________ than in the 2.5 GHz band.

Accepted Answer

A) more bandwidth 
B) less absorptive attenuation 
C) both A and B 
D) neither A nor B 
A) more bandwidth 
B) less absorptive attenuation 
C) both A and B 
D) neither A nor B

Question 7

2.4 GHz and 5 GHz are ________.

Accepted Answer

A) frequency spectrums 
B) broadbands 
C) channels 
D) service bands 
A) frequency spectrums 
B) broadbands 
C) channels 
D) service bands

Question 8

In 802.11g,channel bandwidth usually is ________.

Accepted Answer

A) 20 GHz 
B) 40 GHz 
C) 20 MHz 
D) 40 MHz 
A) 20 GHz 
B) 40 GHz 
C) 20 MHz 
D) 40 MHz

Question 9

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 10

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

Question 11

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

Question 12

The 5 GHz band usually supports about ________ non-overlapping 20 MHz channel(s).

Accepted Answer

A) 1 
B) 3 
C) 7 
D) 12 
A) 1 
B) 3 
C) 7 
D) 12

Question 13

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 14

CSMA/CD+ACK is ________.

Accepted Answer

A) unreliable 
B) reliable 
C) semireliable 
A) unreliable 
B) reliable 
C) semireliable

Question 15

An access point can transmit to more than one wireless client at a time with ________.

Accepted Answer

A) bonding 
B) MIMO 
C) Multiuser MIMO 
D) CSMC/CA+ACK 
A) bonding 
B) MIMO 
C) Multiuser MIMO 
D) CSMC/CA+ACK

Question 16

CSMA/CA+ACK usually is ________.

Accepted Answer

A) mandatory 
B) optional 
C) not important 
D) efficient 
A) mandatory 
B) optional 
C) not important 
D) efficient

Question 17

Media access control governs transmission by ________.

Accepted Answer

A) access points 
B) wireless hosts 
C) both A and B 
D) neither A nor B 
A) access points 
B) wireless hosts 
C) both A and B 
D) neither A nor B

Question 18

The other wireless device is far away in a known direction.It would be 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 19

The standard for roaming among access points is ________.

Accepted Answer

A) 802.11r 
B) 802.11s 
C) 802.11W 
D) the wireless handoff protocol 
A) 802.11r 
B) 802.11s 
C) 802.11W 
D) the wireless handoff protocol

Question 20

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

Which of the following is the newest Wi-Fi standard?

Which of the following is more efficient and faster?

In an extended service set,each access point ________.

________ have SSIDs.

Wireless network standards operate at ________.

Companies are moving to the 5 GHz band because there is ________ than in the 2.5 GHz band.

2.4 GHz and 5 GHz are ________.

In 802.11g,channel bandwidth usually is ________.

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?

MIMO ________.

Signals in a transmission usually ________.

The 5 GHz band usually supports about ________ non-overlapping 20 MHz channel(s).

Today,Wi-Fi sales are dominated by ________.

CSMA/CD+ACK is ________.

An access point can transmit to more than one wireless client at a time with ________.

CSMA/CA+ACK usually is ________.

Media access control governs transmission by ________.

The other wireless device is far away in a known direction.It would be better to use ________.

The standard for roaming among access points is ________.

Wider channel bandwidth ________.

Welcome to the Cloud

Network Standards

Network Security

Network and Security Management

Ethernet 8023switched Lans

Wireless Lans 2

Tcp-Ip Internet Working I

Tcp-Ip Internet Working 2

Carrier Wide Area Networks Wans

Networked Applications

Module a More on Tcp

Module B More on Modulation

Module C More on Telecommunications

Module D Directory Servers

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Exam 6: Wireless Lans I

Which of the following is the newest Wi-Fi standard?

Which of the following is more efficient and faster?

In an extended service set,each access point ________.

________ have SSIDs.

Wireless network standards operate at ________.

Companies are moving to the 5 GHz band because there is ________ than in the 2.5 GHz band.

2.4 GHz and 5 GHz are ________.

In 802.11g,channel bandwidth usually is ________.

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?

MIMO ________.

Signals in a transmission usually ________.

The 5 GHz band usually supports about ________ non-overlapping 20 MHz channel(s).

Today,Wi-Fi sales are dominated by ________.

CSMA/CD+ACK is ________.

An access point can transmit to more than one wireless client at a time with ________.

CSMA/CA+ACK usually is ________.

Media access control governs transmission by ________.

The other wireless device is far away in a known direction.It would be better to use ________.

The standard for roaming among access points is ________.

Wider channel bandwidth ________.

Welcome to the Cloud

Network Standards

Network Security

Network and Security Management

Ethernet 8023switched Lans

Wireless Lans 2

Tcp-Ip Internet Working I

Tcp-Ip Internet Working 2

Carrier Wide Area Networks Wans

Networked Applications

Module a More on Tcp

Module B More on Modulation

Module C More on Telecommunications

Module D Directory Servers

Filters