OSI model layers - Functions - Networking

Q.  Networking: Match the following :

a. Data linklayer --------- i. Flowcontrol
b. Network layer --------- ii. Node tonodedelivery
c. Transport layer ------- iii. Mailservices
d. Application layer ----  iv. Routing

- Published on 19 Oct 15

a. a-ii , b-i , c-iv , d-iii
b. a-ii , b-iv , c-i , d-iii
c. a-ii , b-i , c-iii , d-iv
d. a-ii , b-iv , c-iii , d-i

ANSWER: a-ii , b-iv , c-i , d-iii

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    Discussion

  • Prajakta Pandit   -Posted on 28 Oct 15

    Data link Layer : It provides node to node delivery . It is responsible for media access control, flow control and error checking. In this layer, bridges offer major improvements over repeaters.

    Network Layer : This layer is responsible for packet forwarding including Routing through routers.

    Transport Layer : It provides services, such as reliability, flow control , multiplexing.

    Application Layer : This layer supports application and end-user processes. Gateway is used to support address and port translation for certain protocols such as, SMTP which is mostly used for transferring the mails (Mail services) .

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