ESAT Forouzan - Chapter 24: Client-Server Model (Socket Interface)

Question 1

_____ can request a service.
a. A socket interface
b. A port
c. A client
d. A server

Answer 1

c. A client

Question 2

_____ can provide a service.
a. An iterative server
b. A concurrent server
c. A client
d. A and B

Answer 2

d. A and B

Question 3

The client program is _____ because it terminates after it has been served.
a. Active
b. Passive
c. Finite
d. Infinite

Answer 3

c. Finite

Question 4

The server program is ______ because it is always available, waiting for a client request.
a. Active
b. Passive
c. Finite
d. Infinite

Answer 4

d. Infinite

Question 5

A connection-oriented concurrent server uses _____ ports.
a. Ephemeral
b. Well-known
c. Active
d. A and B

Answer 5

d. A and B

Question 6

A connectionless iterative server uses _____ ports.
a. Ephemeral
b. Well-known
c. Active
d. A and B

Answer 6

b. Well-known

Question 7

Machine A requests service X from machine B. Machine B requests service Y from machine A. What is the total number of application programs required?
a. One
b. Two
c. Three
d. Four

Answer 7

d. Four

Question 8

A client issues _____ when it needs service from a server.
a. An active open
b. A passive open
c. An active request
d. A finite open

Answer 8

a. An active open

Question 9

A server program, once it issues ______, waits for clients to request its service.
a. An active open
b. A passive open
c. An active request
d. A finite open

Answer 9

b. A passive open

Question 10

_____ processes requests one at a time.
a. An iterative client
b. An iterative server
c. A concurrent client
d. A concurrent server

Answer 10

b. An iterative server

Question 11

_____ processes many requests simultaneously.
a. An iterative client
b. An iterative server
c. A concurrent client
d. A concurrent server

Answer 11

d. A concurrent server

Question 12

In a connection-oriented concurrent server, the _____ is used for connection only.
a. Infinite port
b. Ephemeral port
c. Well-known port
d. B and C

Answer 12

c. Well-known port

Question 13

A _____ is an instance of a _____.
a. Process; program
b. Program; process
c. Process; service
d. Structure; process

Answer 13

a. Process; program

Question 14

The _____ socket is used with a connection-oriented protocol.
a. Stream
b. Datagram
c. Raw
d. Remote

Answer 14

a. Stream

Question 15

The _____ socket is used with a connectionless protocol.
a. Stream
b. Datagram
c. Raw
d. Remote

Answer 15

b. Datagram

Question 16

The _____ socket is used with a protocol that directly uses the services of IP.
a. Stream
b. Datagram
c. Raw
d. Remote

Answer 16

c. Raw

Question 17

A _____ server serves multiple clients, handling one request at a time.
a. Connection-oriented iterative
b. Connection-oriented concurrent
c. Connectionless iterative
d. Connectionless concurrent

Answer 17

c. Connectionless iterative

Question 18

A _____ server serves multiple clients simultaneously.
a. Connection-oriented iterative
b. Connection-oriented concurrent
c. Connectionless iterative
d. Connectionless concurrent

Answer 18

b. Connection-oriented concurrent