Chapter 7

Question 1

Support for roaming is required under the 802.11 standard. Which service set may allow for roaming between APs in a wireless LAN network infrastructure?

Answer 1

ESS

Question 2

This service translates 802.11 wireless frames to 802.3 Ethernet frames and vice versa.

Answer 2

IS

Question 3

You want to connect Building A to Building B using 802.11 access points. The buildings are about 200 feet apart. Neither AP station will service wireless client stations. Which solution will work best to provide network connectivity between the buildings?

Answer 3

AP A will be in bridge mode and AP B will be in bridge mode

Question 4

Which wireless network topologies require the use of an access point? (Choose ALL that apply)

Answer 4

ESS

BSS

Question 5

An example of a Wireless Wide Area Network (WWAN) is

Answer 5

3G Cellular Modems

Question 6

Which terms describe an 802.11 topology involving client STAs but no access points? (Choose Two)

Answer 6

IBSS

Ad-Hoc

Question 7

An ESS is created when?

Answer 7

When one or more BSS come online and is connected to a common distibution system

Question 8

Which of the following devices are wireless stations (STA)? (Choose ALL that apply)

Answer 8

Wireless Bridges
Wireless VoIP Phones
Wireless Access Points
Laptops with a Wireless NIC

Question 9

You purchase a “3G” wireless card from Verizon to attach to your laptop computer. The 3G connection to the Internet represents a:

Answer 9

Wireless WAN

Question 10

In regards to 802.11 wireless networking, the BSA is:

Answer 10

The physical area of coverage provided by a BSS

Question 11

What type of wireless topology is represented by the 802.11 standard?

Answer 11

WLAN

Question 12

What is the default configuration mode that allows an AP radio to operate in a basic service set (BSS)? In this mode, the AP is configured to serve client stations.

Answer 12

Root

Question 13

ABC company has contracted you to install a wireless LAN in their facilities. They inform you that there is a warehouse approximately 200 feet from the main building and that there are no Ethernet wires run to the warehouse. Which of the following technologies will you most likely use to provide wireless network access to the remote warehouse?

Answer 13

WLAN

Question 14

A network consisting of client stations and one or more AP stations connected by a common Ethernet backbone is one example of which 802.11 topology?

Answer 14

Extended Service Set

Question 15

An example of a Wireless Metropolitan Area Network (WMAN) is

Answer 15

WiMAX

Question 16

The BSSID in an IBSS topology is?

Answer 16

Generated randomly by an algorithm when the first station in the IBSS comes online

Question 17

You want to connect Building A to Building B using 802.11 access points. The buildings are about 200 feet apart. The existing AP station in Building A (AP A) will continue to service wireless client stations. The new AP (AP B) in building B will not serve wireless client stations. Which solution will work best to provide network connectivity between the buildings?

Answer 17

AP A will be in root mode and AP B will be in workgroup bridge mode

Question 18

An example of a Wireless Local Area Network (WLAN) is

Answer 18

802.11g

Question 19

An example of a Wireless Personal Area Network (WPAN) is

Answer 19

Bluetooth

Question 20

An 802.11 wireless network name is known as which of the following?

Answer 20

SSID

Question 21

What are some non-standard modes in which an AP station may be configured? (Choose THREE)

Answer 21

Repeater
Workgroup Bridge
Bridge

Question 22

In a nomadic roaming implementation, what is preventing client stations from maintaining connectivity when they roam between cells?

Answer 22

The BSAs do not have sufficient overlap

Question 23

Which of the following are standard service sets defined by IEEE 802.11 and 802.11s? (Choose ALL that apply)

Answer 23

Basic Service Set
Extended Service Set
Independent Basic Service Set
Mesh Basic Service Set

Question 24

The BSSID in an infrastructure mode BSS is:

Answer 24

The MAC address of the AP station

Question 25

What two components make up a distribution system? (Choose TWO)

Answer 25

DSM

Distribution System Services