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CCNA题库分享

日期:2009/8/17 19:29:43 来源:本站原创 访问量:

1. Which two locations can be configured as a source for the IOS image in the boot system command?

 

(Choose two.) A. RAM

B. NVRAM

 

C. flash memory D. HTTP server E. TFTP server F. Telnet server Answer: CE

 

 

2. Which of the following IP addresses fall into the CIDR block of 115.64.4.0/22? (Choose three.)

 

A. 115.64.8.32

 

B. 115.64.7.64

 

C. 115.64.6.255

 

D. 115.64.3.255

 

E. 115.64.5.128

 

F. 115.64.12.128

 

Answer: BCE

 

 

 

3. A network administrator must configure 200 switch ports to accept traffic from only the currently attached host devices. What would be the most efficient way to configure MAC-level security on all these ports?

A. Visually verify the MAC addresses and then telnet to the switches to enter the switchport-port security mac-address command.

B. Have end users e-mail their MAC addresses. Telnet to the switch to enter the switchport-port security mac-address command.

C. Use the switchport port-security MAC address sticky command on all the switch ports that have end devices connected to them.

D. Use show mac-address-table to determine the addresses that are associated with each port and then enter the commands on each switch for MAC address port-security.

Answer: C

 


 

4. Refer to the exhibit. Which three statements are true about how router JAX will choose a path to the

 

10.1.3.0/24 network when different routing protocols are configured? (Choose three.)

 

 

A. By default, if RIPv2 is the routing protocol, only the path JAX-ORL will be installed into the routing table.

 

B. The equal cost paths JAX-CHI-ORL and JAX- NY-ORL will be installed in the routing table if RIPv2 is the routing protocol.

C. When EIGRP is the routing protocol, only the  path JAX-ORL will  be installed in the routing table by default.

D.  When  EIGRP  is  the  routing  protocol,  the  equal  cost  paths  JAX-CHI-ORL,  and  JAX-NY-ORL will  be installed in the routing table by default.

E. With EIGRP and OSPF both running on the network with their default configurations, the EIGRP paths will be installed in the routing table.

F.  The  OSPF  paths  will  be  installed  in  the  routing  table,  if  EIGRP  and  OSPF  are  both  running  on  the network with their default configurations.

Answer: ADE

 

 

 

5. Refer to the graphic. A static route to the 10.5.6.0/24 network is to be configured on the HFD router. Which commands will accomplish this? (Choose two.)

 

 

 

 


 

 

 

 

A. HFD(config)# ip route 10.5.6.0 0.0.0.255 fa0/0

 

B. HFD(config)# ip route 10.5.6.0 0.0.0.255 10.5.4.6

 

C. HFD(config)# ip route 10.5.6.0 255.255.255.0 fa0/0

 

D. HFD(config)# ip route 10.5.6.0 255.255.255.0 10.5.4.6

 

E. HFD(config)# ip route 10.5.4.6 0.0.0.255 10.5.6.0

 

F. HFD(config)# ip route 10.5.4.6 255.255.255.0 10.5.6.0

 

Answer: CD

 

 

 

6. Refer to the exhibit. Which two statements are true about the loopback address that is configured on

 

RouterB? (Choose two.)

 

 

A. It ensures that data will be forwarded by RouterB.

 

B. It provides stability for the OSPF process on RouterB.

 

C. It specifies that the router ID for RouterB should be 10.0.0.1.

 

D. It decreases the metric for routes that are advertised from RouterB.

 


E. It indicates that RouterB should be elected the DR for the LAN.

 

Answer: BC

 

 

 

7. Refer to the exhibit. The network shown in the diagram is experiencing connectivity problems. Which of the following will correct the problems? (Choose two.)

 

 

 

A. Configure the gateway on Host A as 10.1.1.1.

 

B. Configure the gateway on Host B as 10.1.2.254. C. Configure the IP address of Host A as 10.1.2.2. D. Configure the IP address of Host B as 10.1.2.2.

E. Configure the masks on both hosts to be 255.255.255.224. F. Configure the masks on both hosts to be 255.255.255.240. Answer: BD

 

 

8. The Ethernet networks connected to router R1 in the graphic have been summarized for router R2 as

 

192.1.144.0/20. Which of the following packet destination addresses will R2 forward to R1, according to this summary? (Choose two.)

 

A. 192.1.159.2


 

B. 192.1.160.11

 

C. 192.1.138.41

 

D. 192.1.151.254

 

E. 192.1.143.145

 

F. 192.1.1.144

 

Answer: AD

 

 

 

9. To configure the VLAN trunking protocol to communicate VLAN information between two switches, what two requirements must be met? (Choose two.)

A. Each end of the trunk line must be set to IEEE 802.1E encapsulation.

 

B. The VTP management domain name of both switches must be set the same. C. All ports on both the switches must be set as access ports.

D. One of the two switches must be configured as a VTP server.

 

E. A rollover cable is required to connect the two switches together.

 

F. A router must be used to forward VTP traffic between VLANs.

 

Answer: BD

 

 

 

10. What are three IPv6 transition mechanisms? (Choose three.) A. 6to4 tunneling

B. VPN tunneling

 

C. GRE tunneling

 

D. ISATAP tunneling

 

E. PPP tunneling

 

F. Teredo tunneling

 

Answer: ADF

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