Shared Flashcard Set

Details

CCNA 640-802 Ch.12
Cisco Wireless Technologies
18
Computer Networking
Graduate
03/20/2013

Additional Computer Networking Flashcards

 


 

Cards

Term
What is 802.11a?
Definition
54MBPS 5GHz Standard
Term
What is 802.11b?
Definition
Supports 5.5 and 11Mbps 2.4GHZ standard
Term
What is 802.11g?
Definition
Supports 54mbps with 2.4GHZ standard.
Term
Which was the most widely supported 802 Standard.
Definition
802.11b
Term
Which standard uses CSMA/CA for reliabily
Definition
802.11b. This was a downfall to 802.11b
Term
Which standard is backwards compatibale with 802.11b?
Definition
802.11g. They use the same frequency, g puts out higher data rates.
Term
What is DSSS?
Definition
Direct Spread Spectrum Sequence:Modulation technique used by 802.11b
Term
What is OFDM?
Definition
Orthogonal Frequency Division Multiplexing:Modulation rate for 802.11g & 802.11a. Better that DSSS
Term
How many channels are in the 2.4GHZ standard?
Definition
14 Channels
Term
How wide are the channels in 2.4GHZ
Definition
22 MHZ wide
Term
How many channles are coonfigurable in 2.4GHZ for the US
Definition
11
Term
What are the channels that cannot be overlapped in the 2.4GHZ standard?
Definition
1, 6, & 11. Allows you to have three different AP's in the same area without interference.
Term
Which standard operates in the 5GHZ band with 12 non overlapping frequencies with data rates up to 54mbps?
Definition
802.11a
Term
Which standard is immune to interference from micromaves cordless phone and other 2.4GHz equipment.
Definition
802.11a
Term
Which Standard uses MIMO and uses different antennas fo rmore input and output of Data
Definition
802.11N
Term
What is BSS?
Definition
Basic Service Set:Mobile devices use a single AP for connection to each other
Term
What is ESS
Definition
Extended Service Set:Two or more BSS's connected to a Distribution set.
Term
What is LWAPP
Definition
Lightweight Access Point Protocol
Supporting users have an ad free experience!