Question 1

Cellular telephones use ________.

Accepted Answer

A) an omnidirectional antenna 
B) a dish antenna 
C) both A and B 
D) neither A nor B 
A) an omnidirectional antenna 
B) a dish antenna 
C) both A and B 
D) neither A nor B

Question 2

If a wireless client only has two MIMO antennas,an access point with three MIMO antennas will produce better performance than an access point with two MIMO antennas.

Accepted Answer

A) True 
 B)False

Question 3

If a radio transmission is easily blocked by obstacles,then you need to maintain ________.

Accepted Answer

A) a clear line of sight 
B) spread spectrum transmission integrity 
C) broadband transmission 
D) deep transmission 
A) a clear line of sight 
B) spread spectrum transmission integrity 
C) broadband transmission 
D) deep transmission

Question 4

Which unlicensed band is defined the same way in most countries around the world?

Accepted Answer

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

Question 5

The terms channel and service band mean roughly the same thing.

Accepted Answer

A) True 
 B)False

Question 6

Radio has more reliable transmission than UTP.

Accepted Answer

A) True 
 B)False

Question 7

Multiuser MIMO can send signals to two different clients at the same time

Accepted Answer

A) True 
 B)False

Question 8

Which unlicensed band provides greater propagation distance for a given level of power?

Accepted Answer

A) 2)4 GHz 
B) 5 GHz 
C) Both A and B allow about the same propagation distance. 
A) 2)4 GHz 
B) 5 GHz 
C) Both A and B allow about the same propagation distance.

Question 9

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 10

What propagation problem becomes worse as frequency increases?

Accepted Answer

A) absorptive attenuation 
B) electromagnetic interference 
C) both A and B 
D) neither A nor B 
A) absorptive attenuation 
B) electromagnetic interference 
C) both A and B 
D) neither A nor B

Question 11

What propagation problem becomes worse as frequency increases?

Accepted Answer

A) absorptive attenuation 
B) shadow zones 
C) both A and B 
D) neither A nor B 
A) absorptive attenuation 
B) shadow zones 
C) both A and B 
D) neither A nor B

Question 12

Spread spectrum transmission is used in commercial WLANs for security reasons.

Accepted Answer

A) True 
 B)False

Question 13

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 14

A single access point and the set of hosts it serves is called a(n)________.

Accepted Answer

A) BSS 
B) BSSID 
C) ESS 
D) none of the above 
A) BSS 
B) BSSID 
C) ESS 
D) none of the above

Question 15

Wireless network standards come from ________.

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 16

The identifier of the access point in a basic service set us the ________.

Accepted Answer

A) SSID 
B) BSSID 
C) ESSID 
A) SSID 
B) BSSID 
C) ESSID

Question 17

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 18

If an 802.11n access point and an 802.11g client communicate,they communicate using ________.

Accepted Answer

A) 802.11g 
B) 802.11n 
C) either A or B 
D) neither A nor B 
A) 802.11g 
B) 802.11n 
C) either A or B 
D) neither A nor B

Question 19

Spread spectrum transmission is used in WLANs for ________.

Accepted Answer

A) higher transmission speed 
B) more reliable transmission 
C) greater security 
D) all of the above 
A) higher transmission speed 
B) more reliable transmission 
C) greater security 
D) all of the above

Question 20

Mesh networking in 802.11 is likely to use ________.

Accepted Answer

A) only wireless devices 
B) wireless devices and the site's wired LAN 
C) both A and B 
A) only wireless devices 
B) wireless devices and the site's wired LAN 
C) both A and B

Cellular telephones use ________.

If a wireless client only has two MIMO antennas,an access point with three MIMO antennas will produce better performance than an access point with two MIMO antennas.

If a radio transmission is easily blocked by obstacles,then you need to maintain ________.

Which unlicensed band is defined the same way in most countries around the world?

The terms channel and service band mean roughly the same thing.

Radio has more reliable transmission than UTP.

Multiuser MIMO can send signals to two different clients at the same time

Which unlicensed band provides greater propagation distance for a given level of power?

The frequency spectrum extends ________.

What propagation problem becomes worse as frequency increases?

What propagation problem becomes worse as frequency increases?

Spread spectrum transmission is used in commercial WLANs for security reasons.

Media access control governs transmission by ________.

A single access point and the set of hosts it serves is called a(n)________.

Wireless network standards come from ________.

The identifier of the access point in a basic service set us the ________.

Wireless network standards operate at ________.

If an 802.11n access point and an 802.11g client communicate,they communicate using ________.

Spread spectrum transmission is used in WLANs for ________.

Mesh networking in 802.11 is likely to use ________.

Welcome to the Cloud

Network Standards

Network Security

Network Management

Wired Ethernet Lans

Wireless Lans 2

Tcpip Internetworking I

Tcpip Internetworking 2

Wide Area Networks

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

Cellular telephones use ________.

If a wireless client only has two MIMO antennas,an access point with three MIMO antennas will produce better performance than an access point with two MIMO antennas.

If a radio transmission is easily blocked by obstacles,then you need to maintain ________.

Which unlicensed band is defined the same way in most countries around the world?

The terms channel and service band mean roughly the same thing.

Radio has more reliable transmission than UTP.

Multiuser MIMO can send signals to two different clients at the same time

Which unlicensed band provides greater propagation distance for a given level of power?

The frequency spectrum extends ________.

What propagation problem becomes worse as frequency increases?

What propagation problem becomes worse as frequency increases?

Spread spectrum transmission is used in commercial WLANs for security reasons.

Media access control governs transmission by ________.

A single access point and the set of hosts it serves is called a(n)________.

Wireless network standards come from ________.

The identifier of the access point in a basic service set us the ________.

Wireless network standards operate at ________.

If an 802.11n access point and an 802.11g client communicate,they communicate using ________.

Spread spectrum transmission is used in WLANs for ________.

Mesh networking in 802.11 is likely to use ________.

Welcome to the Cloud

Network Standards

Network Security

Network Management

Wired Ethernet Lans

Wireless Lans 2

Tcpip Internetworking I

Tcpip Internetworking 2

Wide Area Networks

Networked Applications

Module a More on Tcp

Module B More on Modulation

Module C More on Telecommunications

Module D Directory Servers

Filters