ISRO Computer Science (CSE) 2023 - Question 15

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Topic: Computer Networks

Match the following:
Versions of 802.11
(i) 802.11ac
(ii) 802.11 a/g
(iii) 802.11 ad
(iv) 802.11 b

Speed of Wireless LAN
(P) 7 Gbps
(Q) 11 Mbps
(R) 54 Mbps
(S) 3.5 Gbps

  • A. (i) - (S), (ii) - (R), (iii) - (P), (iv) - (Q)
  • B. (i) - (S), (ii) - (R), (iii) - (Q), (iv) - (P)
  • C. (i) - (R), (ii) - (S), (iii) - (P), (iv) - (Q)
  • D. (i) - (R), (ii) - (Q), (iii) - (P), (iv) - (S)

Answer: A. (i) - (S), (ii) - (R), (iii) - (P), (iv) - (Q)

Explanation: The maximum data rates for IEEE 802.11 standards are: 802.11b operates at 11 Mbps (iv-Q). 802.11a/g operate at 54 Mbps (ii-R). 802.11ac (Wi-Fi 5) supports up to ~3.5 Gbps (i-S). 802.11ad (WiGig) supports up to 7 Gbps (iii-P).

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