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cisco ccna 认证考试 习题
1 Which form of NAT maps multiple private IP addresses to a single registered IP address by using different ports?
A. static NAT
B. dynamic NAT
C. overloading
D. overlapping
E. port loading
Answer: C
2 Which destination addresses will be used by Host A to send data to Host C? (Choose two.)
A. the IP address of Switch 1
B. the MAC address of Switch 1
C. the IP address of Host C
D. the MAC address of Host C
E. the IP address of the routers E0 interface
F. the MAC address of the routers E0 interface
Answer: CF
3 Refer to the graphic. A company wants to use NAT in the network shown. Which commands will apply the NAT configuration to the proper interfaces? (Choose two.)
A. R1(config)# interface serial0/1
R1(config-if)# ip nat inside
B. R1(config)# interface serial0/1
R1(config-if)# ip nat outside
C. R1(config)# interface fastethernet0/0
R1(config-if)# ip nat inside
D. R1(config)# interface fastethernet0/0
R1(config-if)# ip nat outside
E. R1(config)# interface serial0/1
R1(config-if)# ip nat outside source pool 200.2.2.18 255.255.255.252
F. R1(config)# interface fastethernet0/0
R1(config-if)# ip nat inside source 10.10.0.0 255.255.255.0
Answer: BC
4 Refer to the exhibit. The network administrator has configured NAT as shown in the exhibit. Clients, however, cannot access the Internet. What two actions should the network administrator take to resolve this problem? (Choose two.)
A. Configure the ip nat inside command on the S0/0 interface.
B. Configure only the ip nat inside command on the Fa0/0 interface.
C. Configure the ip nat inside command on both the Fa0/0 and Fa0/1 interfaces.
D. Configure the ip nat outside command on both the Fa0/0 and Fa0/1 interfaces.
E. Configure the ip nat outside command on the S0/0 interface.
F. Configure only the ip nat outside command on the Fa0/1 interface.
Answer: CE
5 Given the partial router configuration in the graphic, why does the workstation with the IP address
192.168.1.153/28 fail to access the Internet? (Choose two.)
A. The
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