cisco的ccna题的拷贝（1）

xsw222

A.The new IOS image is too large for the router flash memory.　　B.The TFTP server is unreachable from the router.
　　C.The new IOS image is not correct for this router platform.
　　D.The IOS image . the TFTP server is corrupt.
　　E.There is not enough disk space . the TFTP server for the IOS image.
　　Correct:B
　　23.A workgroup switch is configured with all ports assigned to VLAN 2. In addition, all ports are configured as full-duplex FastEthernet. What is the effect of adding switch ports to a new VLAN . this switch?
　　A.The additions will create more collisions domains.
　　B.IP address utilization will be more efficient.
　　C.More bandwidth will be required than was needed previously.
　　D.An additional broadcast domain will be created.
　　E.The possibility that switching loops will occur will increase dramatically.
　　Correct:D
　　24.Which of the following are types of flow control? (Choose three.)
　　A.buffering
　　B.cut-through
　　C.windowing
　　D.congestion avoidance
　　E.load balancing
　　Correct:A C D
　　25.A company is installing IP phones. The phones and office computers connect to the same device. To ensure maximum throughput for the phone data, the company needs to make sure that the phone traffic is . a different network from that of the office computer data traffic. What is the best network device to which to directly connect the phones and computers, and what technology should be implemented . this device? (Choose two.)
　　A.hub
　　B.router
　　C.switch
　　D.STP
　　E.subinterfaces
　　F.VLAN
　　Correct:C F
　　26.Refer to the exhibit. What will be the result of issuing the following commands? Switch1(config)# interface fastethernet 0/5Switch1(config-if)# switchport mode accessSwitch1(config-if)# switchport access vlan 30