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d. add an ip helper address of 10.23.22.255 and enable udp forwarding on the locally attached router* 70. what is the purpose of the trace command? a. to test the icmp protocol b. to provide path information by hop count* c. reachability and connectivity d. to test routing protocols 71. which of the basic ip management functions is provided by icmp? a. flow control, using source quench messages* b. reachability testing to verify host connectivity (using echo and echo reply)* c. reliable transport methods which use sequencing and sliding window techniques d. mac address resolution and caching 72. you want to find the serial numbers of all line modules located within a cisco 7513 router. which of these commands can be used to display these values? a. show diagbus* b. show interface stats c. show processes0UM3,}3[ 此文转贴于我的学习网IT认证思科认证 http://www.Gzu521.com]0UM3,}3 d. show environment all 73. what are the two steps involved in the problem definition procedure of the cisco troubleshooting model? a. consider possible causes of the problem b. create a concise, yet accurate, description of the problem* c. diagnose the exact problem d. obtain information regarding observed symptoms of the network problem* 74. which of the following is the main purpose of the problem definition phase of the cisco troubleshooting model? a. to forma precise and concise problem statement which focuses the troubleshooting effort* b. to eliminate causes not related to symptoms observed c. to eliminate causes that may be related to the symptoms manifested d. to create a working list of symptoms manifesting the problem 75. which of the following are valid ipx network addresses? a. central.0000.0b35.3c1c* b. peripheral.786d.2b01.1000* c. 9.78 d. 009b.3a76.ca97 76. which ieee 802.3 encapsulation is the default for cisco routers? a. arpa b. snap c. novell-ether d. sap* 77. a company is implementing dhcp. the new dhcp clients on network 10.20.78.0/24 are not being assigned ip addresses by the dhcp server with ip address 10.20.75.3. which of the following are likely causes? a. the dhcp server is not properly connected to the network b. the locally attached router is not configured with a helper address pointing to the dhcp server address* c. the dhcp clients have been configured with an invalid subnet* d. the hosts are not being assigned ip addresses within the correct address space 78. which of the following commands should be used to see the contents of a route map? a. show memory b. show traffic c. show route-map* d. show running-config* 79. what catalyst command displays information on neighboring cisco devices? 80. while managing a network, long-term traffic statistics can be used to help do which of the following? a. expose areas of potential network problems b. provide a history of network growth* c. plan for the future expansion requirements of the network* d. generate a projection of infrastructure equipment cpu utilization 81. the traceroute command ___________. a. can be used to isolate a routing, data link, or physical infrastructure issue b. works by using the error messages generated by routers when a datagram exceeds its ttl* c. lists the output of the currently running configuration and the state of the router d. can be used to reset statistical counters, delete entries from internal router tables, or reset hardware logic 82. which of the following are connection-oriented protocols? a. novell ipx b. atm* c. ip d. tcp* e. appletalk atp* 83. what information is provided by the ‘show version’ command? a. configuration version b. software and hardware version* c. equipment uptime* d. reason for last upgrade |
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