1.) Name at least four different application layer protocols other than HTTP. Fo
ID: 3603307 • Letter: 1
Question
1.) Name at least four different application layer protocols other than HTTP. For
each, describe the purpose of the protocol, and give a brief overview of the
methodology of its operation?
2.)Explain the purpose of an authoritative domain name server. How does its
purpose differ from that of a local DNS server?
3.)Why does the IP datagram require separate fields for the header length and the
total datagram length, instead of combining both into a single value?
4.)What is the purpose of an IP address mask? Suppose an IP address is identified
as 222.44.66.88/24. What is the network address in this case? What is the host
address? Howmany hosts can this network address support? Repeat this exercise
for the IP address 200.40.60.80/26?
need answers for all of them
Explanation / Answer
An application layer protocol defines how application processes (clients and servers), running on different end systems, pass messages to each other. In particular, an application layer protocol defines:
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