Which of the following statements is/are correct? I. The fragmentation is applicable for data in the datagram but not for header. II. Reassembly of the fragments must be performed at the destination because, the intermediate networks may have different maximum transmission unit (MTU) sizes. III. In the IP header, the time-to-live (TTL) field is invariable.

Database System Concepts
7th Edition
ISBN:9780078022159
Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
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Chapter1: Introduction
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Which of the following statements is/are correct?
I. The fragmentation is applicable for data in the datagram but not for header.
II. Reassembly of the fragments must be performed at the destination because, the intermediate
networks may have different maximum transmission unit (MTU) sizes.
III. In the IP header, the time-to-live (TTL) field is invariable.
(A) I and II
(B) I and III
(C) II and III
(D) All are correct
Transcribed Image Text:Which of the following statements is/are correct? I. The fragmentation is applicable for data in the datagram but not for header. II. Reassembly of the fragments must be performed at the destination because, the intermediate networks may have different maximum transmission unit (MTU) sizes. III. In the IP header, the time-to-live (TTL) field is invariable. (A) I and II (B) I and III (C) II and III (D) All are correct
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