UGC NET CSE | December 2004 | Part 2 | Question: 29

Question

Which transport class should be used with residual-error network layer ?

• A. $TP0, TP2$
• B. $TP1, TP3$
• C. $TP1, TP3, TP4$
• D. $TP0, TP1, TP2, TP3, TP4$

Answer 1

Option B

TP1 and TP3 are the residual error network layer

Answer 2

TP0 and TP2 are used with perfect network layers. A perfect network layer is one in which the number of packets that are lost or damaged is almost zero. TP1 AND TP3 are used with residual – error network layers.

ANSWER---- B