Match List I with List II. List I: (A) BIND, (B) LISTEN, (C) ACCEPT, (D) SOCKET. List II: (I) Block the caller until a connection attempt arrives, (II) Give a local address to a socket, (III) Show willingness to accept connections, (IV) Create a new end point.

1. A(A)-(I), (B)-(III), (C)-(II), (D)-(IV)
2. B(A)-(II), (B)-(III), (C)-(I), (D)-(IV)
3. C(A)-(III), (B)-(II), (C)-(I), (D)-(IV)
4. D(A)-(I), (B)-(II), (C)-(III), (D)-(IV)

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Correct answer: B. (A)-(II), (B)-(III), (C)-(I), (D)-(IV)

Explanation

SOCKET creates an endpoint; BIND attaches a local address; LISTEN announces willingness to accept connections; ACCEPT blocks until a connection arrives.