broadcast domain and wifi frequencies

Question 1

hub

Answer 1

1 cd 1bd

Question 2

bridge

Answer 2

1 cd per port, 1 bd. Forwarding decisions based in software.

Question 3

switch

Answer 3

1 cd per port, 1bd. USES ASIC for forwarding decisions.

Question 4

multilayer switch

Answer 4

1 cd per port, 1bd per port

Question 5

router

Answer 5

1cd per port, 1bd per port

Question 6

open

Answer 6

look for answer with no security or protection

Question 7

wep

Answer 7

look for answer with iv

Question 8

wpa

Answer 8

look for answer with tkip and rc4

Question 9

wpa2

Answer 9

look for answer with ccmp and aes

Question 10

wpa3

Answer 10

GCMP and aes

Question 11

802.11

Answer 11

2.4ghz, 1mbs or 2mbs, dsss or fhss, 20m in, 100m out

Question 12

802.11a

Answer 12

5ghz, 54mbps, ofdm, 35m in, 120m out

Question 13

802.11b

Answer 13

2.4ghz, 11mbs, dsss, 32m in, 140m out

Question 14

802.11g

Answer 14

2.4ghz, 54mbs, ofdm or dsss, 32m in, 140m out

Question 15

802.11n

Answer 15

2.4ghz, 5ghz, max 600mbps, MIMO, ofdm, 70m in, 250m out

Question 16

802.11ac

Answer 16

5ghz, MAX 6.9gbs ,MU-mimo, ofdm, 70m in, 250m out

Question 17

802.11ax

Answer 17

2.4ghz, 5ghz. max 9.6gbs, mu-mimo more users, ofdma 240m out

Question 18

dsss

Answer 18

direct sequence spread spectrum uses chips

Question 19

fhss

Answer 19

frequency hopping spread spectrum predetermined frequencies

Question 20

ofdm

Answer 20

orthogonal frequency division multiplexing simulatneous transmission of data over 52 data streams

Question 21

arp

Answer 21

ip to mac address resolution protocol