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Flashcards in Wireless Networks Q/A's Deck (24)
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1

Wireless LAN Controller is responsible for?

Managing wireless network access points

2

What's a wireless AP access point used for?

What layer does an AP operates at?

allows wireless devices to connect to a wired network

layer 2

3

What are nonoverlapping Wi-Fi channels?

Wi-Fi channels are not overlaps each other

4

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

Send and receive data over a wireless network.

5

What is an AD-Hoc network?

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

6

What is a wireless bridge responsible used for?

join two or more wireless networks into a single wireless connection

7

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

half duplex - one direction at a time

8

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

MAC address of a SSID

9

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

Actual RF Coverage Area (Wireless cell)

10

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

unique name that identifies a wireless network

11

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

name that identifies multiple wireless networks

12

What is a beacon in relation to wireless technology?

RF radio transmitter

13

What is a Extended Service Set (ESS)?

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

Ex. Wireless Range Extender

14

What is CAPWAP in wireless technology?

Protocol used to Control and Provision Wireless Access Points

15

CAPWAP uses what port numbers?

UDP 5246 and 5247

16

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

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

17

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

connect and communicate with a central wireless access point

18

What layer are beacon frames?

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

L2 frames

RF signals / Radio Transmitter

19

What does a broadcasted beacon frame contain in wireless technology?

What else are beacon frames used for?

Information about specific wireless networks

synchronize devices to a wireless network.

20

How often are beacon frames transmitted over a wireless network?

periodically

21

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

controlling multiple wireless access points at once.

22

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

Light Weight Access Point Protocol (LWAPP)

23

Wireless LAN Controllers are responsible for the?

management of wireless access points

24

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

DTLS: Datagram Transport Layer Security