[IT认证]CCNA新加93题2011-7-3.pdf

Exam A Exam A EExxaammAA QUESTION 1 QUESTION 1 QQUUEESSTTIIOONN11 Which two commands correctly verify whether port security has been configured on port FastEthernet 0/12 on a switch?(choose two) A. SW1#show swithport port-security interface FastEthernet 0/12 B. SW1# show swithport port-secure interface FastEthernet 0/12 C. SW1# show port-secure interface FastEthernet 0/12 D. SW1#show running-config Answer: Answer: Answer: CD Answer: Explanation/Reference: Explanation/Reference: EExxppllaannaattiioonn//RReeffeerreennccee:: QUESTION 2 QUESTION 2 QQUUEESSTTIIOONN22 Which component of VPN technology ensures that data can be read only by its intended recipient? A. data integrity B. encryption C. key exchange D. authentication Answer: Answer: Answer: D Answer: Explanation/Reference: Explanation/Reference: EExxppllaannaattiioonn//RReeffeerreennccee:: 哪个VPN组件可以确保数据只能让预定的人读取 QUESTION 3 QUESTION 3 QQUUEESSTTIIOONN33 Explanation/Reference: Explanation/Reference: EExxppllaannaattiioonn//RReeffeerreennccee:: 此条命令允许5条SSH虚链路 QUESTION 4 QUESTION 4 QUESTION44 QUESTION Which IPV6 routing protocol uses multicast group FF02::8 to send updates? A. RIPng B. OSPFv3 C. IS-IS for IPv6 D. static Answer: Answer: AAnnsswweerr::C Explanation/Reference: Explanation/Reference: EExxppllaannaattiioonn//RReeffeerreennccee:: 哪一个IPV6协议用组播地址FF02：：8发送更新 QUESTION 5 QUESTION 5 QUESTION55 QUESTION Explanation/Reference: Explanation/Reference: EExxppllaannaattiioonn//RReeffeerreennccee:: 从信息中可以看到协议为RIPv1，in16 hops，将要从路由表中清除 QUESTION 6 QUESTION 6 QUESTION66 QUESTION The network administrator is asked to configure 113 point-to-point links.Which IP addressing scheme best defines the address range and subnet mask that meet the requirement and waste the fewest subnet and host addresses? A. /18 subnetted with mask 52 B. /25 subnetted with mask 52 C. /24subnetted with mask 52 D. /23subnetted with mask 52 E. /16 subnetted with