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(a) Physical Layer (b) Data link layer (c) Transport layer
Ans : (a) Physical Layer
2. Communication between a computer and a keyboard involves ______________ transmission.
(a)Simplex (b) Half Duplex (c)Full Duplex
Ans : (a)Simplex
3. Line coding is the process of converting digital data to a ____________ signal.
(a) Digital (b) Analog (c) Hybrid
Ans : (a) Digital
4. Frequency-division multiplexing (FDM) is a _____________ technique
(a) Digital (b) Analog (c) Hybrid
Ans : (b) Analog
5. The process-to-process delivery of the entire message is the responsibility of the _______ layer.
(a) Transport (b) Application (c) Physical
Ans : (a) Transport
6. A digital signal is a composite analog signal with a/an __________ bandwidth.
(a)Infinite (b) Finite (c)Unlimited
Ans : (a)Infinite
7. The physical, data link, and ____________ layers are the network support layers.
(a) Network (b) Transport (c) Presentation
Ans : (a) Network
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