Consider the basic block given below.

a = b + c 
c = a + d 
d = b + c 
e = d - b 
a = e + b

The minimum number of nodes and edges present in the DAG representation of the above basic block respectively are

An IP router with a Maximum Transmission Unit (MTU) of 1500 bytes has received an IP packet of size 4404 bytes with an IP header of length 20 bytes. The values of the relevant fields in the header of the third IP fragment generated by the router for this packet are

In the following pairs of OSI protocol layer/sub-layer and its functionality, the INCORRECT pair is

A bit-stuffing based framing protocol uses an 8-bit delimiter pattern of 01111110. If the output bit-string after stuffing is 01111100101, then the input bit-string is