Question: This question is from Computer Network. 2. Briefly state the functionality of the following devices/protocols. Also mention the layer(s) on which each of these operate.

This question is from Computer Network. 2. Briefly state the functionality

This question is from Computer Network.

2. Briefly state the functionality of the following devices/protocols. Also mention the layer(s) on which each of these operate. (i) TCP (ii) IP (iii) UDP (iv) ICMP (v) DNS (vi) SMTP (vii) Switch (viii) Router (ix) HTTP (x) ARP (xi) Hub (xii) RARP

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