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17 Questions

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IPv4 Fragmentation Rules Quiz

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Questions and Answers

What is the value of the ID field in the IPv4 header for all fragments of a datagram?

The ID field is not used in IPv4 fragmentation

The ID field must be 0 for all fragments

The ID field carries the same value for all fragments (correct)

The ID field can have different values for each fragment

What must the Don't Fragment (DF) bit be set to in order for a datagram to be fragmented?

The DF bit must be set to 2

The DF bit must be set to 1

The DF bit must be set to 0 (correct)

The DF bit is not used in IPv4 fragmentation

What is the value of the More Fragments (MF) bit in the last fragment of a datagram?

The MF bit is 1 in all fragments except the last fragment

The MF bit is 1 in the last fragment

The MF bit is 0 in all fragments except the last fragment (correct)

The MF bit is not used in IPv4 fragmentation

What is the size of the data carried in the original (unfragmented) datagram?

4096 bytes Signup and view all the answers

What is the value of the Total Length field in the first fragment of the datagram?

1500 bytes Signup and view all the answers

What is the value of the Fragment Offset field in the second fragment of the datagram?

185 Signup and view all the answers

What is the total length field value for the third fragment?

1056 Signup and view all the answers

What is the value of the fragment offset field in the third fragment?

370 Signup and view all the answers

What is the size of the data contained in the first and second fragments?

2616 B Signup and view all the answers

What is the Maximum Transmission Unit (MTU) value used in the fragmentation process?

1500 Signup and view all the answers

What is the size of the remaining data in the last fragment?

1136 B Signup and view all the answers

What is the total length field value for the last fragment?

1136 Signup and view all the answers

What field in the IPv4 header does not engage in the fragmentation process?

Destination address Signup and view all the answers

Fragmentation of a datagram is primarily due to limitations in which network element?

MTU Signup and view all the answers

Under what condition can a datagram NOT be fragmented?

Don't fragment bit is set Signup and view all the answers

Which field in the IPv4 header remains unaffected by routers?

Source address Signup and view all the answers

If a datagram has a total length that exceeds the MTU, what operation typically occurs?

Fragmentation into smaller packets Signup and view all the answers