PakistanBix

(A) TDMA
(B) Stop and wait
(C) xon/xoff
(D) Both a and c

(A) If the technique used is non persistant then it results in randomised wait and sence
(B) If the technique used is non 1-persistant then the channel is continuosly senced
(C) If the technique used is non p-persistant then then randomised retransmission is done
(D) Both a and b

(A) Go back N method requires more storage at the receiving site
(B) Selective repeat involves complex login then GO-Back N
(C) GO-Back N has better utilization
(D) Both a and c

(A) A switched circuit is a dail up circuit may encounter blockage
(B) Non switched leased line supports higher data volume and quality then switched lines
(C) Non switched lines are expensive for high volume data
(D) Both a and b

(A) TDM is a primary/scondry non priority system
(B) Peer to peer protocol provides equal status at all sites on the channel
(C) priority, non priority types come under master/slave protocol
(D) Both a and c

(A) Bi-polar code
(B) non return to zero code
(C) polar code
(D) both b and c

(A) carrer signal
(B) baseband signal
(C) primary signal
(D) none of the above

(A) error detection
(B) error correction
(C) synchronization
(D) slowing down the communication