Check Your Understanding
Complete all of the review questions to test your understanding of the topics and concepts in this chapter. The answers appear in Appendix B, "Answers to the Check Your Understanding Questions."
For additional, more in-depth questions, refer to the chapter-specific study guides on the companion CD-ROM.
What feature lets a Cisco router act as a DHCP client?
NAT
DHCP
DNS
Easy IP
What is a summarization address for the networks 172.21.136.0/24 and 172.21.143.0/24?
172.21.136.0/21
172.21.136.0/20
172.21.136.0/22
172.21.128.0/21
The subnet 172.6.32.0/20 is again subnetted to 172.6.32.0/26. What is the result?
1024 subnets
64 hosts per subnet
62 hosts per subnet
2044 subnets
What routing protocol does not contain subnet mask information in its routing updates?
EIGRP
OSPF
RIP
RIPv2
What method is used to represent a collection of IP network addresses with a single IP network address?
Classful routing
Subnetting
Address translation
Route summarization
According to RFC 1918, which of the following is a private Internet address?
10.215.34.124
192.32.146.23
172.34.221.18
119.12.73.215
Which of the following is a characteristic of IP unnumbered?
Avoids wasted addresses on multiaccess links
Efficient addressing on Ethernet links
Uses another router interface address
May be used with classful and classless routing protocols
How many bits make up an IPv6 address?
32
48
64
128
What is the purpose of IP helper addresses?
To relay key UDP broadcast requests to hosts on the same subnet
To relay key UDP broadcast requests to hosts on the other subnets
To relay key TCP broadcast requests to hosts on other subnets
To relay key TCP broadcast requests to hosts on the same subnet
What are the three general types of IPv6 addresses?
Class 1, Class 2, Class 3
Class A, Class B, Class C
Unicast, anycast, multicast
Public, site, interface