Wireless Networks Q/A's

Question 1

Wireless LAN Controller is responsible for?

Answer 1

Managing wireless network access points

Question 2

What’s a wireless AP access point used for?

What layer does an AP operates at?

Answer 2

allows wireless devices to connect to a wired network

layer 2

Question 3

What are nonoverlapping Wi-Fi channels?

Answer 3

Wi-Fi channels are not overlaps each other

Question 4

What is the purpose of radio frequencies over a wireless network?

Answer 4

Send and receive data over a wireless network.

Question 5

What is an AD-Hoc network?

Answer 5

decentralized wireless network where devices communicate directly with each other without a Access Point

Question 6

What is a wireless bridge responsible used for?

Answer 6

join two or more wireless networks into a single wireless connection

Question 7

Wireless access points operate at what duplex and send data in what direction at a time?

Answer 7

half duplex - one direction at a time

Question 8

What is the (BSSID) Basic Service Set ID on a wireless router?

Answer 8

MAC address of a SSID

Question 9

What is the (BSS/BSA) Basic Service Set/Area on a wireless router?

Answer 9

Actual RF Coverage Area (Wireless cell)

Question 10

What is the (SSID) Service Set Identifier on a wireless router?

Answer 10

unique name that identifies a wireless network

Question 11

What is the purpose of the (MSSID) multiple Service Set Identifier on a wireless router?

Answer 11

name that identifies multiple wireless networks

Question 12

What is a beacon in relation to wireless technology?

Answer 12

RF radio transmitter

Question 13

What is a Extended Service Set (ESS)?

Answer 13

(extended coverage area) of a wireless network into single coverage area and SSID.

Ex. Wireless Range Extender

Question 14

What is CAPWAP in wireless technology?

Answer 14

Protocol used to Control and Provision Wireless Access Points

Question 15

CAPWAP uses what port numbers?

Answer 15

UDP 5246 and 5247

Question 16

What is the function of a Split MAC in wireless technology?

Answer 16

Real-time data traffic handled by the Access Point and non real-time traffic handled by Wireless LAN Controller.

Question 17

Infrastructure mode in wireless technology is a centralized wireless network where devices …?

Answer 17

connect and communicate with a central wireless access point

Question 18

What layer are beacon frames?

Data is transmitted through what … from a wireless beacon over a network?

Answer 18

L2 frames

RF signals / Radio Transmitter

Question 19

What does a broadcasted beacon frame contain in wireless technology?

What else are beacon frames used for?

Answer 19

Information about specific wireless networks

synchronize devices to a wireless network.

Question 20

How often are beacon frames transmitted over a wireless network?

Answer 20

periodically

Question 21

What is the Light Weight Access Point Protocol (LWAPP) responsible for?

Answer 21

controlling multiple wireless access points at once.

Question 22

What protocol does CAPWAP use to communicate between the Wireless LAN Controller and Access Points on a wireless network?

Answer 22

Light Weight Access Point Protocol (LWAPP)

Question 23

Wireless LAN Controllers are responsible for the?

Answer 23

management of wireless access points

Question 24

What protocol is used to encrypt the communication inside of CAPWAP Tunnel?

Answer 24

DTLS: Datagram Transport Layer Security