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Total Questions: 5
1. Which of the following can be an Ethernet physical address?
A. 01:02:01:2C:4B
B. 07:01:02:01:2C:4B:2C
C. 07:01:02:01:2C:4B
D. none of the above
Show Correct Answer
Correct Answer is :
07:01:02:01:2C:4B
2. An IP address contains________ bits ?
A. 8
B. 16
C. 32
D. 64
Show Correct Answer
Correct Answer is :
32
3. Which port is reserved for use of the SMTP protocol?
A. 21
B. 23
C. 25
D. 53
Show Correct Answer
Correct Answer is :
25
4. Which of the IP headers decides when the packet should be discarded?
A. Fragment control
B. TTL
C. Checksum
D. Header length
Show Correct Answer
Correct Answer is :
TTL
5. Which IP address is reserved for software loop-back?
A. 224.x.x.x
B. 127.x.x.x
C. 0.0.0.0
D. 255.255.255.255
Show Correct Answer
Correct Answer is :
127.x.x.x