Internet Protocol, Network Addressing and Transport Level Security

This is a computer science engineering quiz on cryptography and network security, which includes questions on Internet Protocol, Network Addressing and Transport Level Security.

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

3 4 5 6

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

4 8 12 16

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

16 64 32 8

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?

10 40 60 20

In an IP packet, the value of HLEN is 516 and the value of the total length field is 002816.What is the efficiency of this datagram?

80% 50% 66% 75%

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?

2 5 3 1

An IP packet has arrived with the first few hexadecimal digits as shown below: 45000028000100000102 . . . The data belong to what upper layer protocol?

IGMP UDP OSPF TCP

A packet has arrived in which the offset value is 100. What is the number of the first byte?

400 800 200 780

A packet has arrived in which the offset value is 100, the value of HLEN is 5 and the value of the total length field is 100. What is the number of the first byte?

800 880 400 780

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

128.11.5.32 128.11.3.31 127.11.3.32 127.12.5.31

Convert the following binary notation to hexadecimal notation – 10000000 00001011 00000011 00011111

0x 80 0B 03 1E 0x 81 0B 04 1E 0x 80 0C 03 1F 0x 80 0B 03 1F

A packet has arrived in which the offset value is 100, the value of HLEN is 5 and the value of the total length field is 100. What is the number of the last byte-

880

879

881

801

Quiz/Test Summary

Title: Internet Protocol, Network Addressing and Transport Level Security

Questions: 12

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