[TCP/IP] 6장 연습문제 - 객관식

1 : In _______ delivery, both the deliverer of the IP packet and the destination are on the same network.
     a. a connectionless
     b. a direct
     c. an indirect
     d. None of the choices are correct

 

The correct answer is b

2 : In _______ delivery, the deliverer of the IP packet and the destination are on different networks.
     a. a connection-oriented
     b. a direct
     c. an indirect
     d. None of the choices are correct

 

The correct answer is c

3 : In classful addressing, when a direct delivery is made, both the deliverer and receiver have the same _______.
     a. IP address
     b. hostid
     c. netid
     d. None of the choices are correct

 

The correct answer is c

4 : In classful addressing, when an indirect delivery is made, the deliverer and receiver have _______.
     a. the same IP address
     b. different netids
     c. the same netid
     d. None of the choices are correct

 

The correct answer is b

5 : In _______ forwarding, the full IP address of a destination is given in the routing table.
     a. next-hop
     b. network-specific
     c. host-specific
     d. default

 

The correct answer is c

6 : In _______ forwarding, the mask and destination addresses are both 0.0.0.0 in the routing table.
     a. next-hop
     b. network-specific
     c. host-specific
     d. default

 

The correct answer is d

7 : In _______ forwarding, the destination address is a network address in the routing table.
     a. next-hop
     b. network-specific
     c. host-specific
     d. default

 

The correct answer is b

8 : In _______ forwarding, the routing table holds the address of just the next hop instead of complete route information.
     a. next-hop
     b. network-specific
     c. host-specific
     d. default

 

The correct answer is a

9 : In ________ addressing, a typical forwarding module can be designed using three tables, one for each unicast class (A, B, C).
     a. classful
     b. classless
     c. classful and classless
     d. None of the choices are correct

 

The correct answer is a

10 : In classful addressing, the class of the address can be found by shifting the copy of the address ____ bits to the right.
     a. 32
     b. 16
     c. 28
     d. None of the choices are correct

 

The correct answer is c

11 : In classful addressing we need a routing table with at least ______ columns.
     a. 4
     b. 3
     c. 8
     d. None of the choices are correct

 

The correct answer is b

12 : In classless addressing, we need a routing table with at least _______ columns.
     a. 4
     b. 3
     c. 8
     d. None of the choices are correct

 

The correct answer is a

13 : The idea of address aggregation was designed to alleviate the increase in routing table entries when using ________.
     a. classful addressing
     b. classless addressing
     c. classful addressing and classless addressing
     d. None of the choices are correct

 

The correct answer is b

14 : The principle of ________ states that the routing table is sorted from the longest mask to the shortest mask.
     a. first mask matching
     b. shortest mask matching
     c. longest mask matching
     d. None of the choices are correct

 

The correct answer is c

15 : The use of hierarchy in routing tables can ________ the size of the routing tables.
     a. reduce
     b. increase
     c. reduce and increase
     d. None of the choices are correct

 

The correct answer is a

16 : _______ deals with the issues of creating and maintaining routing tables.
     a. Forwarding
     b. Routing
     c. Directing
     d. None of the choices are correct

 

The correct answer is b

17 : A _______ routing table contains information entered manually.
     a. static
     b. dynamic
     c. hierarchical
     d. None of the choices are correct

 

The correct answer is a

18 : A _______ routing table is updated periodically using one of the dynamic routing protocols.
     a. static
     b. dynamic
     c. hierarchical
     d. None of the choices are correct

 

The correct answer is b

19 : The input and output ports of a router perform the ________ layer functions of the router.
     a. physical and data link
     b. network
     c. transport
     d. None of the choices are correct

 

The correct answer is a

20 : The routing processor of a router performs the ________ layer functions of the router.
     a. physical and data link
     b. network
     c. transport
     d. None of the choices are correct

 

The correct answer is b

21 : The task of moving the packet from the input queue to the output queue in a router is done by _________.
     a. input and output ports
     b. routing processor
     c. switching fabrics
     d. None of the choices are correct

 

The correct answer is c