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Question 12Asked in DSSSB TGT Computer Science (Technical), 12 Sep 2025, Shift 1 (9:00 AM)

Which technology is commonly used in Wi-Fi to enhance signal range and reliability?

  1. AMIMO (Multiple Input Multiple Output)
  2. BWEP (Wired Equivalent Privacy)
  3. CTDMA (Time Division Multiple Access)
  4. DCDMA (Code Division Multiple Access)
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Correct answer: (A) MIMO (Multiple Input Multiple Output)

Explanation

MIMO uses several antennas at the transmitter and receiver (spatial multiplexing, diversity), which raises throughput, range and reliability in 802.11n/ac/ax Wi-Fi. WEP is an old security protocol, not a range technique.

From DSSSB TGT Computer Science PYQ (Technical), 12 Sep 2025, Shift 1 (9:00 AM)

This is question 12 of DSSSB TGT Computer Science PYQ (Technical), 12 Sep 2025, Shift 1 (9:00 AM). See all questions of this paper with answers, or attempt the paper as a timed online test to get your score and all-India rank.