Internet Communications

Question 1 5 pts

(TCO 4) What is a packet?

a. A unit of data transmitted over the network.

b. A key protocol at the transport layer of the Internet architecture.

c. A text-based, request-response protocol that calls for only one round of exchange of messages.

d. Allows a selected set of programming data types and data structures to be specified with IPC operations.

Question 2 5 pts

(TCO 4) Explain datagram socket API.

a. Supports the exchange of continuous units of data.

b.  Supports the exchange of discrete units of data.

c. Supports the exchange of continuous and discrete units of data.

d. None of the statements is correct.

Question 3 5 pts

(TCO 4) What is a connection socket?

a. A type of stream-mode socket API, provided via the ServerSocket class that accepts connections.

b. A type of stream-mode socket API, provided via the Socket class that accepts connections.

c. A type of stream-mode socket API, provided via the ServerSocket class that exchanges data.

d. A type of stream-mode socket API, provided via the Socket class that exchanges data.

Question 4 5 pts

(TCO 4) What is the difference between the Server Socket class and the Socket class?

a. The Server Socket class is for the transfer of data and the Socket class is for the establishment of connections.

b. The Server Socket class is for the establishment of connections and the Socket class is for the transfer of data.

c. The Server Socket class utilizes data sockets while the Socket class utilizes connection sockets.

d. The Server Socket class utilizes connection sockets, but the Socket class doesn’t utilize any socket.

Question 5 5 pts

(TCO 4) What is the Java Secure Socket Extension (JSSE)?

a. A socket API that provides nonblocking I/O operations.

b. A process that wishes to communicate with the server.

c. A set of Java packages that enable secure Internet communications.

d. A stream-mode socket API that enables secure Internet communications.

 

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