COMPUTER NETWORKING

PHYSICAL LAYER AND TRANSMISSION MEDIA

BANDWIDTH UTILIZATION

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
Multiplexing provides ____
A
Efficiency
B
Privacy
C
Anti jamming
D
Both Efficiency & Privacy
Explanation: 

Detailed explanation-1: -Fortunately, Multiplexing has high efficiency and high privacy when implemented because in the implementation, the transport layer of the OSI network model handles the function of multiplexing through interfaces called ports which provide the required efficiency and privacy.

Detailed explanation-2: -1] It reduces ckt complexity and cost. 2] We can implement many combinations logic ckts using multiplexer. 3] It does not need K-maps and simplification.

Detailed explanation-3: -Efficiency can be achieved by using multiplexing; privacy and antijamming can be achieved by using spreading. Multiplexing is the set of techniques that allows the simultaneous transmission of multiple signals across a single data link. In a multiplexed system, n lines share the bandwidth of one link.

Detailed explanation-4: -There are mainly two types of multiplexers: analog and digital. If the analog signals are multiplexed, then it is called as analog multiplexing. If the digital signals are multiplexed, then it is called digital multiplexing.

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