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Answers to the Chapter 11 Q&A Section 439
17
An Inside Local address ______. (Choose two answers.)
a. is unique to the inside network and can be routed internally
b. is unique to the inside network, but cannot be routed internally
c. is always selected from RFC 1918 private address space
d. is not routable on the Internet
e. can use a private address or an IANA-assigned address space
The answers are a and e.
18
What command is used to erase all the currently NAT translated sessions?
clear ip nat translation *
19
Port address translation is used on what router series?
It is used on the Cisco 700 series.
20
Given the following output, what type of translation is being used on this router?
Pro Inside global Inside local Outside local Outside global
tcp 103.32.32.1:1098 10.1.0.1:1098 13.43.5.6:23 13.43.5.6:23
tcp 103.32.32.1:1345 10.1.0.2:1345 13.43.5.6:23 13.43.5.6:23
tcp 103.32.32.1:1989 10.1.0.3:1989 13.43.5.7:21 13.43.5.7:21
Overload translation is being used on this router.
21
Given the following router configuration information which of the subsequent statements
is true? (Choose three answers.)
access-list 1 permit 10.0.0.0 0.0.0.255
ip nat pool natpool 222.12.12.2 222.12.12.10 netmask 255.255.255.0
ip nat inside source static 10.0.0.1 222.2.2.1
ip nat inside source list 1 pool natpool
a. All addresses belonging to the 10.0.0.0/8 network are translated by the router.
b. The translation uses an overload technique.
c. The translation is a simple NAT technique.
d. The address 10.0.0.1 can be pinged from the outside network.
e. The address 222.2.2.1 can be pinged from the outside network.
f. The pool can support up to nine translations.
g. The pool can support translations of up to 64 K per assigned address.
The answers are c, e and f.