Which protocol does TFTP use while working on the network?

Q.  Which protocol does TFTP use while working on the network?
- Published on 23 Sep 15

a. ARP
b. FTP
c. UDP
d. TCP

ANSWER: UDP
 

    Discussion

  • Prajakta Pandit   -Posted on 19 Oct 15

    - Trivial File Transfer Protocol (TFTP) is a simple, lock-step, file transfer protocol which allows a client to get from or put a file onto a remote host.

    - TFTP uses UDP as its transport protocol.

    - A transfer request is always initiated targeting port 69 but the data transfer ports are chosen independently by the sender and receiver during the transfer initialization.

    - The ports are chosen at random according to the parameters of the networking stack.

    Importance of TFTP :

    - TFTP utilizes UDP, it has to supply its own transport and session support.

    - Each file transferred via TFTP constitutes an Independent exchange.

    - TFTP provides low throughput specially over high latency links.

    - TFTP was designed to be small and easy to implement and therefore it lacks most of the advanced features offered by more robust file transfer protocol.

    - It cannot list, delete or rename files or directories and it has no provisions for user authentication.

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