Network Address Translation

1. What does CIDR stand for?

a. Classful IP Default Routing
b. Classful IP D-class Routing
c. Classful Interdomain Routing
d. Classless IP Default Routing
e. Classless IP D-class Routing
f. Classless Interdomain Routing

2. Which of the following summarized subnets represents routes that could have been created for CIDR's goal to reduce the size of Internet routing tables?

a. 10.0.0.0 255.255.255.0
b. 10.1.0.0 255.255.0.0
c. 200.1.1.0 255.255.255.0
d. 200.1.0.0 255.255.0.0

3. Which of the following are not private addresses according to RFC 1918?

a. 172.31.1.1
b. 172.33.1.1
c. 10.255.1.1
d. 10.1.255.1
e. 191.168.1.1

4.Which static NAT, performing translation for inside address only, what causes NAT entries to be created?

a. The first packet from the inside network to the outside network
b. The first packet from the outside network to the inside network.
c. Configuration usign the ip nat inside source commnad
d. Configuration using the ip nat outside source command

5. With dynamic NAT, performing translation for inside addresses only,what couses NAT table entries to be created?

a. The first packet from the inside network to the outside network
b. The first packet form the outside network to the inside network.
c. Configuration using the ip nat inside soruce command.
d. Configuration using the ip nat outside source command.


6. NAT has been configured to translate source addresses of packet received from the inside part of the network, but only for some hosts. Which of the following commands identifies the hosts?

a. ip nat inside source list 1 pool barney
b. ip nat pool barney 200.1.1.1 200.1.1.254 netmask 255.255.255.0
c. ip nat inside
d. ip nat inside 200.1.1.1 200.1.1.2
e. None of the other answers are correct.

7. NAT has been configured to translate source addresses of packets received from the inside part of the network, but for only some hosts. Which of the following commands identifies the outside local IP addresses that are translated?

a. ip nat inside source list 1 pool barney
b. ip nat pool barney 200.1.1.1 200.1.1.254 netmask 255.255.255.0
c. ip nat inside
d. ip nat inside 200.1.1.1 200.1.1.2
e. None of the other answers are correct.


8. Examine the following configuration commands:

interface Ethernet0/0
ip address 10.1.1.1 255.255.255.0
ip nat inside
interface Serial 0/0
ip address 200.1.1.249 255.255.255.252
ip nat inside source list 1 interface serial0/0
access-list 1 permit 10.1.1.0 0.0.0.255
If the configuration is intended to enable source NAT overload, which commands could be useful to complete the configuration?

a. The ip nat outisde command
b. The ip nat pat command.
c. The overload keyword
d. The ip nat pool command.