15. Which of the following is the most popular LAN topology? bus Tree Wireless s

Question

15. Which of the following is the most popular LAN topology?
bus
Tree
Wireless
star-wired bus
17.  
_____ signaling is used in a bus network and uses a digital signal.
Biband
Star
Broadband
Baseband
18. A hub operates at the_________.
network layer of OSI model
physical layer of OSI model
transport layer of OSI model
data link layer of OSI model
19.  
With the increased use of _____, errors occur less frequently.
shielded twisted pair cables
wireless media
Microwave
fiber-optic cables

20.

The wireless LAN term for a collection of multiple Basic Service Sets is ____.

Basic Service Set (BSS)

Extended Service Set (ESS)

Multiple Service Set (MSS)

Complex Service Set (CSS)

Basic Service Set (BSS)

Extended Service Set (ESS)

Multiple Service Set (MSS)

Complex Service Set (CSS)

Explanation / Answer

15. Stared wired bus

17. Baseband

18. physical layer of OSI model

19. fiber-optic cable

20. Extended Service Set(ESS)

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