Convert the following dotted-decimal notation to binary notation – 111.56.45.78

A. 01101111 00111000 00101101 01001110
B. 11101111 00111000 00101101 10001110
C. 10000000 00001011 00000011 00011111
D. 10000001 00001011 00001011 11101111

Convert the following binary notation to dotted-decimal notation – 10000001 00001011 00001011 11101111

A. 129.11.11.239
B. 128.11.12.231
C. 127.11.13.244
D. 129.12.1.231

Convert the following binary notation to dotted-decimal notation – 10000000 00001011 00000011 00011111

A. 128.11.5.32
B. 128.11.3.31
C. 127.11.3.32
D. 127.12.5.31

An IP packet has arrived with the first few hexadecimal digits as shown below: 45000028000100000102 . . . How many hops can this packet travel before being dropped?

A. 2
B. 5
C. 3
D. 1

In an IP packet, the value of HLEN is 5_16 and the value of the total length field is 0028_16. How many bytes of data are being carried by this packet?

A. 10
B. 40
C. 60
D. 20

In an IP packet, the value of HLEN is 1000 in binary. How many bytes of options are being carried by this packet?

A. 16
B. 64
C. 32
D. 8

An IP packet has arrived with the first 8 bits as 01000010. What is the header length?

A. 4
B. 8
C. 12
D. 16

An IP packet has arrived with the first 8 bits as 01000010. What is the version?

A. 3
B. 4
C. 5
D. 6

The protocol ‘POP’ stands for-

A. Remote forwarding
B. Local forwarding
C. Post office protocol
D. None of the mentioned

Which port forwarding technique intercepts application-level traffic and redirects it from an insecure TCP connections to secure SSH tunnels?

A. Remote forwarding
B. Local forwarding
C. Stable forwarding
D. None of the mentioned