1. How many bits are in an IP address?
A. 16 bits
B. 32 bits
C. 64 bits
D. None of the above
Answer :- B.32 bits
2. What is the maximum value of each octet in an IP address?
A. 128
B. 255
C. 256
D. None of the above
Answer :- B. 255
3. How many bits are in a subnet mask?
A. 16 bits
B. 32 bits
C. 64 bits
D. None of the above
Answer :- B. 32 bits
4. A half-duplex circuit means
A. Only one side can talk at a time
B. The signal strength is cut in half
C. The signal strength is doubled
D. Two hosts can talk simultaneously
Answer :- A. Only one side can talk at a time
5. Attenuation means
A. Travel
B. Delay
C. A signal losing strength over distance
D. Loss of signal due to EMI
Answer :- C. A signal losing strength over distance
6. __________ means to convert binary data into a form that can travel on a physical communications link.
A. Encoding
B. Decoding
C. Encrypting
D. Decrypting
Answer :- A.Encoding
7. How many host addresses can be used in a Class C network?
A. 253
B. 254
C. 255
D. 256
Answer :- B. 254
8. What is the minimum number of bits that can be borrowed to form a subnet?
A. 1
B. 2
C. 4
D. None of the above
Answer :- B. 2
9. What is the primary reason for using subnets?
A. To reduce the size of the collision domain
B. To increase the number of host addresses
C. To reduce the size of the broadcast domain
D. None of the above
Answer :- C. To reduce the size of the broadcast domain
10.How many bits can be borrowed to create a subnet for a Class C network?
A. 2
B. 4
C. 6
D. None of the above
Answer :- C. 6
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