Reading-Comprehension
October 26, 2023Nielit STA 17-12-2017
October 26, 2023Nielit STA 17-12-2017
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Question 1
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Correct expression for UDP user datagram length is
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length of UDP=length of IP – length of IP header
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length of UDP=length of UDP – length of UDP header
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length of UDP=length of IP + length of IP header
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length of UDP=length of UDP + length of UDP header
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Question 1 Explanation:
→ Total length of the datagram in bytes.
→ The size of the data by computing “total length – header length”
→ A user datagram is encapsulated in an IP datagram. There is a field in the IP datagram the defines the total length. There is another field in the IP datagram that defines the length of the header. So if we subtract the length of a UDP datagram that is encapsulated in an IP datagram, we get the length of UDP user datagram.
→ The size of the data by computing “total length – header length”
→ A user datagram is encapsulated in an IP datagram. There is a field in the IP datagram the defines the total length. There is another field in the IP datagram that defines the length of the header. So if we subtract the length of a UDP datagram that is encapsulated in an IP datagram, we get the length of UDP user datagram.
Correct Answer: A
Question 1 Explanation:
→ Total length of the datagram in bytes.
→ The size of the data by computing “total length – header length”
→ A user datagram is encapsulated in an IP datagram. There is a field in the IP datagram the defines the total length. There is another field in the IP datagram that defines the length of the header. So if we subtract the length of a UDP datagram that is encapsulated in an IP datagram, we get the length of UDP user datagram.
→ The size of the data by computing “total length – header length”
→ A user datagram is encapsulated in an IP datagram. There is a field in the IP datagram the defines the total length. There is another field in the IP datagram that defines the length of the header. So if we subtract the length of a UDP datagram that is encapsulated in an IP datagram, we get the length of UDP user datagram.
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