Commands and responses - application layer, Computer Networking

Assignment Help:

Commands

SMTP uses commands  and response  to transfer  message between a client  and a  server.

 Each  commands  or reply  is terminated by a two character ( carriage return and lien feel)  end of line token .

Commands

Commands  are sent from the client to the server. The  format of a command is shown below it consists  of a keyword followed by  zero or more arguments. SMTP define 14 commands. The first five are  mandatory. Every  implementation must support these  fie commands.  The next  three are often  used and highly recommended. The last six  are seldom used.


Related Discussions:- Commands and responses - application layer

Error control in tcp-duplicate & out-of-order segment, Error control in TCP...

Error control in TCP-duplicate & out-of-order segment- Duplicate segment - The destination TCP merely discards the segment Out-of-order segment - Not acknowledged unt

Classification of Wireless Networks, I need to know what comes under this t...

I need to know what comes under this topic...I need to give a presentation speech for 10 minutes duration.

Explain the concept of token passing, Token Passing S...

Token Passing Station is able to send only when it receives a special frame called a token Token circulates around the ring If station wishes to sen

What is message oriented middleware, What is Message Oriented Middleware (M...

What is Message Oriented Middleware (MOM)? MOM permits general purpose messages to be exchanged in a Client/Server system using message queues. Applications communicate over n

Define the class B addresses, Define the Class B Addresses? First t...

Define the Class B Addresses? First two octets are the network number as well as the last two octets are the host number 16382 probable blocks for assignment to organi

What is on electronic payment system, What is on electronic payment system?...

What is on electronic payment system? Electronic payment systems are alternative cash credit payment methods using several electronic methods to pay for products and services in

Calculate the efficiency of stop-and-wait ARQ, 5. Suppose that frames are 1...

5. Suppose that frames are 1250 bytes long including 25 bytes of overhead. Also assume that ACK frame are 25 bytes long. Calculate the efficiency of Stop-and-Wait ARQ in a system t

What is retransmission timer, Q. What is Retransmission timer? Retrans...

Q. What is Retransmission timer? Retransmission timer if an ACK is received previous to the timer goes off - destroy the timer if the timer goes off before ACK a

Show the properties of microwaves, Q. Show the properties of Microwaves? ...

Q. Show the properties of Microwaves? Microwaves - Frequencies among 1 and 300 GHz - Unidirectional - Narrow focus requires sending as well as receiving antennas to

Explain about traffic shaping, Q. Explain about Traffic shaping ? Traf...

Q. Explain about Traffic shaping ? Traffic shaping -Method to control the amount and the rate of the traffic sent to the network.? Leaky bucket Token bucket -

Write Your Message!

Captcha
Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd