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Review Questions

1.  Which of the following are methods used to assign IP addresses?
a.  Manual configuration
b.  WINS
c.  DHCP
d.  BootP
e.  NFS
2.  The designer’s major issues when designing for IP networks are:
a.  Routing
b.  Addressing
c.  Security
d.  Naming
e.  All of the above
3.  When selecting a routing protocol, the designer would NOT consider which of the following?
a.  Convergence time
b.  Addressing flexibility
c.  CDP packets
d.  Support across vendors/platforms
e.  Resource utilization
F.  Topology of the network
4.  Which of the following would be reasons to summarize routes?
a.  Reduction in the size of the routing table
b.  Increase in the size of the routing table
c.  Redundancy
d.  Load balancing
5.  The designer configures the network to present the routes from the distribution layer to the core as 10.11.0.0/16. This is an example of:
a.  DHCP
b.  Route summarization
c.  BootP
d.  CDP
6.  To support VLSM and route summarization, a routing protocol must be:
a.  Classful
b.  Classless
c.  Dynamic
d.  Enhanced
7.  A classful routing protocol will:
a.  Not support VLSM
b.  Route on the first octet bits and their significance
c.  Not include subnet information in routing updates
d.  All of the above
e.  None of the above
8.  A classless routing protocol will:
a.  Not support VLSM
b.  Route on the first octet bits and their significance
c.  Not include subnet information in routing updates
d.  All of the above
e.  None of the above
9.  The natural mask for address 148.241.14.56 would be which of the following?
a.  255.0.0.0
b.  255.255.0.0
c.  255.255.255.0
d.  Cannot be determined with the information provided
10.  A routing update using a classful routing protocol (assuming no network member interfaces on the receiving router) for 10.11.1.0/24 would appear as which of the following?
a.  10.0.0.0
b.  10.11.0.0
c.  10.11.1.0
d.  Cannot be determined with the information provided.
11.  The summary address 192.168.8.0/22 represents:
a.  192.168.0.0 to 192.168.7.255
b.  192.168.0.0 to 192.168.255.255
c.  192.168.8.0 to 192.168.11.255
d.  Class C address space cannot be summarized
12.  Which summarization best covers 162.15.4.0 through 162.15.7.0?
a.  162.15.7.0/24
b.  162.15.7.0/22
c.  162.15.0.0.22
d.  162.15.4.0/22
13.  To summarize the addresses from 162.110.84.0 to 162.110.87.255, the designer would best use:
a.  162.110.87.0 255.255.252.0
b.  162.110.84.0 255.255.255.0
c.  162.110.87.255 255.255.255.255
d.  162.110.84.0 255.255.252.0
14.  The address 121.45.11.40 is:
a.  Class A
b.  Class B
c.  Class C
d.  Class D
15.  The address 127.60.80.12 is:
a.  Class A
b.  Class B
c.  Class C
d.  None of the above
16.  One disadvantage of classful routing protocols, including RIP and IGRP, is:
a.  All interfaces must be of the same type.
b.  All interfaces must use the same network mask.
c.  All interfaces must use the natural mask.
d.  All interfaces must be within the same subnet.
17.  Secondary interfaces do not provide:
a.  A means to link discontiguous subnets
b.  A method for adding hosts to a physical media
c.  Trunking via ISL or 802.1q
d.  Support for local routing
18.  Which of the following would be the best reason to use registered public address space?
a.  To avoid addressing problems should the corporation merge with another organization
b.  To obtain Class C address space
c.  To simplify NAT processes
d.  None of the above
19.  Each Class C network could support:
a.  Two hosts
b.  16 hosts
c.  64 hosts
d.  254 hosts
20.  Which of the following routes would the router most likely use?
a.  A route to the subnet
b.  A route to the host
c.  A route to the network
d.  A default route

Answers to Review Questions

1.  A, C, D.
DHCP and BootP are dynamic assignment methods.
2.  E.
3.  C.
4.  A.
5.  B.
6.  B.
7.  D.
8.  E.
9.  B.
10.  A.
11.  C.
12.  D.
13.  D.
14.  A.
15.  D.
16.  B.
17.  C.
18.  A.
19.  D.
20.  B.


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