sir this is the all objectieve i confuse i guses some but iclear all u .sir Wave
ID: 3608740 • Letter: S
Question
sir this is the all objectieve i confuse i guses some but iclear all u .sir
Wave division multiplexing (WDM) is conceptually the sameas FDM, except that the multiplexing and demultiplexing involve_________ signals.
analog
light
digital
periodic
Local loop is a connection between _______________ and______________.
Subscriber’s handset and exchange
exchange and T-Lines
exchange and E-Lines
None of the above
In vertical redundancy check (VRC) a __________ bit isadded to every data unit.
synchronization
framing
parity
interleaving
In cyclic redundancy checking, what is CRC?
The divisor
The remainder
The quotient
The dividend
Which error detection method involvespolynomials?
CRC
VRC
LRC
Checksum
In stop and wait ARQ, if “data 1” has an error,the receiver sends a ________ frame.
NAK
NAK 0
NAK 1
NAK 2
Poll/Select line discipline requires _____________ toidentify the packet recipient.
an address
atimer
abuffer
adedicated line
Which error detection method uses ones complementarithmetic?
?? Simple parity check
Two-demenshion parity check
?? CRC
?? Checksum
in a time-domain plot, the vertical axis is the measure of________. I
?? Amplitude
Frequency
?? Phase
?? Time
Wave division multiplexing (WDM) is conceptually the sameas FDM, except that the multiplexing and demultiplexing involve_________ signals.
analog
light
digital
periodic
Local loop is a connection between _______________ and______________.
Subscriber’s handset and exchange
exchange and T-Lines
exchange and E-Lines
None of the above
In vertical redundancy check (VRC) a __________ bit isadded to every data unit.
synchronization
framing
parity
interleaving
In cyclic redundancy checking, what is CRC?
The divisor
The remainder
The quotient
Explanation / Answer
1. Light 2. None of the above 3. Parity 4. The remainder 5. CRC 6. NAK1 7. An address 8. Simple parity check 9. time I hope this will helpu....Related Questions
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