Networking ConceptsCâu 20 / 100
Which frequency band and standard pairing offers wider channels and higher throughput but shorter range?
a.2.4 GHz with 802.11b
b.5 GHz with 802.11ac
c.2.4 GHz with 802.11g
d.900 MHz with 802.11ah
Giải thích
802.11ac operates in the 5 GHz band, offering wider channels and higher throughput at the cost of shorter range and less obstacle penetration. The 2.4 GHz band travels farther but is more congested and slower. Band selection balances speed against coverage.
Luyện miễn phí toàn bộ 100 câu hỏi — không cần đăng ký.
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Đội Ngũ Biên Tập PrepPass · Đối chiếu với CompTIA Network+ (N10-009) · Quy trình kiểm tra