Match TCP/IP layers and protocols - Column - I (P) Transport layer (Q) Network…
2022
Match TCP/IP layers and protocols - Column - I (P) Transport layer (Q) Network (internet) layer (R) Application layer Column - II 1. ICMP 2. FTP 3. UDP
- A.
P-2, Q-1, R-3
- B.
P-1, Q-2, R-3
- C.
P-3, Q-1, R-2
- D.
P-3, Q-2, R-1
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Correct answer: C
To solve this, we match each protocol to the layer it resides in:
(P) Transport Layer - 3. UDP: The Transport layer is responsible for end-to-end communication. UDP (User Datagram Protocol) and TCP are the primary protocols here, handling process-to-process delivery.
(Q) Network (Internet) Layer - 1. ICMP: This layer handles the routing of packets across networks. While IP is the main protocol, ICMP (Internet Control Message Protocol) is used for diagnostics and error reporting (like
ping) at this level.(R) Application Layer - 2. FTP: This is the top layer where user-facing services reside. FTP (File Transfer Protocol) is used for transferring files between a client and a server.