Question

Define the following term:

1. Bootstrap Protocol (BOOTP)

2. Simple Mail Transfer Protocol (SMTP)

3. Post Office Protocol (POP)

4. Internet Message Access Protocol (IMAP)

5. File Transfer Protocol (FTP)

Answer 1

Ans 1) BOOTP is very important protocol as it reduces work and time by assigning IP address manually instead it assigns IP address to all the devices from the configuration server if Ip address is available in the ip pool .

It works only in IPv4 address and works on User Datagram Protocol and is basically a transport protocol. Port 67 and 68 are used for send and receiving request by client.

Ans 2) SMTP us basically a application layer protocol which is used for sending and receiving email messages between two servers. It helps in communication. It uses an agent called Mail transfer Agent to send and receive your mails to the right people.

It uses port number 25 for doing these tasks.

Ans 3) POP is also an application layer protocol. After SMTP does it work then POP alloelws it to fetch and receive mail from remote mail server. It is basically called Message access agent which helps in accessing your mails.

It uses port number 110

Ans4)IMAP is mostly similar to POpP which helps you to retrieve or fetch mail from the server but the difference is mainly in downloading part. IMAP download or fetch only that mail from the server which contents of your email account on that email server and it also synchronize your computer with the email server .

It uses 143 port number.

And 5) FTP helps us to transfer and receive files located on our computer to transfer it to other computer over a network. First it will send to server from the client then other clients can access from the server. It is also known as client -server protocol.

It uses port number 21