1 A subnet has been assigned a subnet mask of 255.255.255.192. What is the maximum number of hosts that can belong to this subnet?
A) 14
B) 30
C) 62
D) 126
Answer : (C)

2 Which one of the following is NOT shared by the threads of the same process ?
A) Stack
B) Address Space
C) File Descriptor Table
D) Message Queue
Answer : (A)

3 Let G be a weighted undirected graph and e be an edge with maximum weight in G. Suppose there is a minimum weight spanning tree in G containing the edge e. Which of the following statements is always TRUE?
A) There exists a cutset in G having all edges of maximum weight.
B) There exists a cycle in G having all edges of maximum weight.
C) Edge e cannot be contained in a cycle.
D) All edges in G have the same weight.
Answer : (C)

4 A software organization has been assessed at SEI CMM Level 4. Which of the following does the organization need to practice beside Process Change Management and Technology Change Management in order to achieve Level 5 ?
A) Defect Detection
B) Defect Prevention
C) Defect Isolation
D) Defect Propagation
Answer : (B)

5 Suppose that two parties A and B wish to setup a common secret key (D-H key) between themselves using the Diffle-Hellman key exchange technique. They agree on 7 as the modulus and 3 as the primitive root. Party A chooses 2 and party B chooses 5 as their respective secrets. Their D-H key is
A) 3
B) 4
C) 5
D) 6
Answer : (C)

6 Consider the following message M = 1010001101. The cyclic redundancy check (CRC) for this message using the divisor polynomial x5 + x4 + x2 + 1 is :
A) 01110
B) 01011
C) 10101
D) 10110
Answer : (C)