Question 1

Match between columns
                        Premises: device that provides routing services to the mobile computer in Mobile IP
the final step in the process of a station being accepted into the wireless network
a process in which a station first sends out a management probe request frame on an available channel
the amount of time that a station must wait after the medium is clear
a wireless network that does not use an AP
a probe request frame sent by a station that contains a specific SSID that the device is searching for
the process in which a network device first listens on the wire to see if any other device is currently transmitting
a probe request frame sent by a station with a null value as the SSID so that all APs will respond
an optional access method using RTS/CTS

Accepted Answer

The Answer of broadcast probe and directed probe and foreign is...

Question 2

Which of the following are access category classes into which EDCA divides transmissions? (Choose all that apply.)

Accepted Answer

A) background 
B) video 
C) binary 
D) best effort 
A) background 
B) video 
C) binary 
D) best effort A, B, D

Question 3

What is the first step in shared key authentication?

Accepted Answer

A)  AP encrypts challenge text and sends it to wireless device 
B)  wireless device encrypts challenge text and sends it to AP 
C)  AP sends wireless device an authentication frame that contains a block of text known as the challenge text 
D)  wireless device sends an authentication frame to the AP 
A)  AP encrypts challenge text and sends it to wireless device 
B)  wireless device encrypts challenge text and sends it to AP 
C)  AP sends wireless device an authentication frame that contains a block of text known as the challenge text 
D)  wireless device sends an authentication frame to the AP D

Question 4

Which is true of passive scanning?

Accepted Answer

A)  a station listens for a beacon frame with an SSID for a set period of time 
B)  a station sends out a directed probe 
C)  a station sends out a broadcast probe 
D)  APs with a matching SSID will reply with a probe response 
A)  a station listens for a beacon frame with an SSID for a set period of time 
B)  a station sends out a directed probe 
C)  a station sends out a broadcast probe 
D)  APs with a matching SSID will reply with a probe response

Question 5

Which of the following are true about OSI model data units? (Choose all that apply.)

Accepted Answer

A) an SDU has been passed down from a higher layer to a lower layer 
B) encapsulation occurs when a higher layer adds headers to the PDU 
C) an SDU at a given layer is the PDU of the layer below 
D) a PDU will be sent to the peer layer at the receiving device 
A) an SDU has been passed down from a higher layer to a lower layer 
B) encapsulation occurs when a higher layer adds headers to the PDU 
C) an SDU at a given layer is the PDU of the layer below 
D) a PDU will be sent to the peer layer at the receiving device

Question 6

Which of the following are wireless LAN service set configurations? (Choose all that apply.)

Accepted Answer

A) advanced service set 
B) basic service set 
C) extended service set 
D) independent basic service set 
A) advanced service set 
B) basic service set 
C) extended service set 
D) independent basic service set

Question 7

Following authentication,if the access point accepts the wireless device,it reserves memory space in the AP and establishes a(n)____ ID for it.

Accepted Answer

A)  association 
B)  device 
C)  member 
D)  authentication 
A)  association 
B)  device 
C)  member 
D)  authentication

Question 8

The 802.11n standard adds a feature to CSMA/CA which is necessary for A-MPDU aggregation called which of the following?

Accepted Answer

A)  frame acknowledgement 
B)  node collision protocol 
C)  virtual carrier sensing 
D)  block acknowledgement 
A)  frame acknowledgement 
B)  node collision protocol 
C)  virtual carrier sensing 
D)  block acknowledgement

Question 9

Increasing the beacon interval will normally increase wireless network traffic as well.

Accepted Answer

A) True 
 B)False

Question 10

In shared key authentication,a wireless device sends an authentication frame to the AP.The AP sends back an authentication frame that contains a block of text known as the ____________________.

Accepted Answer

The answer of In shared key authentication,a wireless device sends...

Question 11

Which of the following is true about wireless network operation modes?

Accepted Answer

A)  a WLAN that uses an AP operates in peer-to-peer mode 
B)  a WLAN that does not use an AP operates in infrastructure mode 
C)  a WLAN operating in ad hoc mode does not use an AP 
D)  a WLAN classified as an IBSS uses an AP 
A)  a WLAN that uses an AP operates in peer-to-peer mode 
B)  a WLAN that does not use an AP operates in infrastructure mode 
C)  a WLAN operating in ad hoc mode does not use an AP 
D)  a WLAN classified as an IBSS uses an AP

Question 12

Describe Mobile IP.

Accepted Answer

Mobile IP provides a mechanism within th

Question 13

Which best describes a BSS?

Accepted Answer

A)  a group of wireless devices that is served by a single access point 
B)  a unique identifier 
C)  a geographical area where wireless devices reside 
D)  one or more APs serving a single group of wireless devices 
A)  a group of wireless devices that is served by a single access point 
B)  a unique identifier 
C)  a geographical area where wireless devices reside 
D)  one or more APs serving a single group of wireless devices

Question 14

A major function of the MAC layer involves defining procedures for a wireless device to discover the WLAN.

Accepted Answer

A) True 
 B)False

Question 15

In which access method does the access point serve as the polling device?

Accepted Answer

A)  PCF 
B)  DCF 
C)  CSMA/CA 
D)  contention 
A)  PCF 
B)  DCF 
C)  CSMA/CA 
D)  contention

Question 16

____________________ are standard intervals between the transmissions of data frames and are used for special types of transmissions.

Accepted Answer

interframe spaces
IF

Question 17

Describe three of the interframe spaces (IFS)defined in the 802.11 standard.

Accepted Answer

Short IFS. Short IFS (SIFS) is used for

Question 18

What is the default authentication method according to the 802.11 standard?

Accepted Answer

A)  basic 
B)  open system 
C)  shared key 
D)  private key 
A)  basic 
B)  open system 
C)  shared key 
D)  private key

Question 19

CSMA/CA reduces collisions is by using explicit frame acknowledgment.Describe how frame acknowledgment works.

Accepted Answer

An acknowledgment frame (abbreviated ACK

Question 20

Define Extended Service Set.

Accepted Answer

An ESS is comprised of two or

Which of the following are access category classes into which EDCA divides transmissions? (Choose all that apply.)

What is the first step in shared key authentication?

Which is true of passive scanning?

Which of the following are true about OSI model data units? (Choose all that apply.)

Which of the following are wireless LAN service set configurations? (Choose all that apply.)

Following authentication,if the access point accepts the wireless device,it reserves memory space in the AP and establishes a(n)____ ID for it.

The 802.11n standard adds a feature to CSMA/CA which is necessary for A-MPDU aggregation called which of the following?

Increasing the beacon interval will normally increase wireless network traffic as well.

In shared key authentication,a wireless device sends an authentication frame to the AP.The AP sends back an authentication frame that contains a block of text known as the ____________________.

Which of the following is true about wireless network operation modes?

Describe Mobile IP.

Which best describes a BSS?

A major function of the MAC layer involves defining procedures for a wireless device to discover the WLAN.

In which access method does the access point serve as the polling device?

____________________ are standard intervals between the transmissions of data frames and are used for special types of transmissions.

Describe three of the interframe spaces (IFS)defined in the 802.11 standard.

What is the default authentication method according to the 802.11 standard?

CSMA/CA reduces collisions is by using explicit frame acknowledgment.Describe how frame acknowledgment works.

Define Extended Service Set.

The World of Wireless

Wireless Local Area Networks

Radio Frequency Fundamentals

Antennas

Physical Layer Standards

WLAN Management and Architectures

Conducting a Site Survey

Wireless LAN Security Vulnerabilities

Implementing Wireless LAN Security

Managing a Wireless LAN

Wireless Network Troubleshooting and Optimization

Other Wireless Networks

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Exam 6: Medium Access Control Layer Standards

Which of the following are access category classes into which EDCA divides transmissions? (Choose all that apply.)

What is the first step in shared key authentication?

Which is true of passive scanning?

Which of the following are true about OSI model data units? (Choose all that apply.)

Which of the following are wireless LAN service set configurations? (Choose all that apply.)

Following authentication,if the access point accepts the wireless device,it reserves memory space in the AP and establishes a(n)____ ID for it.

The 802.11n standard adds a feature to CSMA/CA which is necessary for A-MPDU aggregation called which of the following?

Increasing the beacon interval will normally increase wireless network traffic as well.

In shared key authentication,a wireless device sends an authentication frame to the AP.The AP sends back an authentication frame that contains a block of text known as the ____________________.

Which of the following is true about wireless network operation modes?

Describe Mobile IP.

Which best describes a BSS?

A major function of the MAC layer involves defining procedures for a wireless device to discover the WLAN.

In which access method does the access point serve as the polling device?

____________________ are standard intervals between the transmissions of data frames and are used for special types of transmissions.

Describe three of the interframe spaces (IFS)defined in the 802.11 standard.

What is the default authentication method according to the 802.11 standard?

CSMA/CA reduces collisions is by using explicit frame acknowledgment.Describe how frame acknowledgment works.

Define Extended Service Set.

The World of Wireless

Wireless Local Area Networks

Radio Frequency Fundamentals

Antennas

Physical Layer Standards

WLAN Management and Architectures

Conducting a Site Survey

Wireless LAN Security Vulnerabilities

Implementing Wireless LAN Security

Managing a Wireless LAN

Wireless Network Troubleshooting and Optimization

Other Wireless Networks

Filters