最新10月CCNA题库word版501~518题.doc

QUESTION 501How are VTP advertisements delivered to switches across the network?A. anycast framesB. multicast framesC. broadcast framesD. unicast framesQUESTION 502What is the result of issuing the frame-relay map ip 192.168.1.2 202 broadcast command?A. defines the source IP address that is used in all broadcast packets on DLCI 202B. defines the DLCI that is used for all packets that are sent to the 192.168.1.2 IP addressC. defines the destination IP address that is used in all broadcast packets on DLCI 202D. defines the DLCI on which packets from the 192.168.1.2 IP address are receivedQUESTION 503Refer to the exibit .An attempt to deny web access to a subnet blocks all traffic from the subnet.Whichinterface command immedicately removes the effect of ACL 102?A. no ip access-group 102 in B. no ip access-group 102 outC. no ip access-list 102 inD. no ip access-class 102 outE. no ip access-class 102 inQUESTION 504Which are three reasons that an organization with multiple branch offices and roaming users mightimplement a Cisco VPN solution instead of point-to-point WAN links?(choose three)A. reduced cost B. better throughputC. increased securityD. scalabilityE. reduced latencyF. broadband incompatibilityQUESTION 505Which two Cisco IOS commands ,used in troubleshooting,can enable debug output to a remote location?(choose two)A. no logging consoleB. terminal monitorC. logging host ip-addressD. snmp-server enable traps syslogE. show logging | redirect flash:output.txtQUESTION 506Which two data intergrity algorithms are commonly used in VPN solutions?(choose two)A. HMAC-MD5B. RSAC. HMAC-SHA-1D. DH1E. DH2QUESTION 507A network administrator needs to configure a serial link between the main office and a remote location.Therouter at the remote office is a non-cisco router. How should the network administrator configure the serialinterface of the main office router to make the connection?A. Main(config)#interface serial 0/0Main(config-if)#ip address 172.16.1.1 255.255.255.252Main(config-if)#no shutB. Main(config)#interface serial 0/0Main(config-if)#ip address 172.16.1.1 255.255.255.252Main(config-if)#encapsulation ietfMain(config-if)#no shutC. Main(config)#interface serial 0/0Main(config-if)#ip address 172.16.1.1 255.255.255.252Main(config-if)#encapsulation frame-relayMain(config-if)#authenication chapMain(config-if)#no shutD. Main(config)#interface serial 0/0Main(config-if)#ip address 172.16.1.1 255.255.255.252Main(config-if)#encapsulation pppMain(config-if)#no shutQUESTION 508Refer to the exhibit.Statements A,B,C,and D of ACL 10 have been entered in the shown order and app;iedto interface E0 inbound,to prevent all hosts(except those whose addresses are the first and last IP ofsubnet 172.21.1.128/28) from accessing the network.But as is,the ACL dose not restrict anyone from thenetwork.How can the ACL statements be re-arranged so that the system works as intended?A. CDBAB. DBACC. ACDBD. BADCQUESTION 509On which options are standard access list based?A. source address and subnet maskB. destination address and wildcard maskC. source address and wildcard maskD. destination address and subnet maskQUESTION 510Which cisco ios command can help to determine the timing of various debug events,relative to each other,when you are debugging a complicated router issue?A. service timestamps debug datetime msecB. show clock detailC. clock calendar-validD. service timestamps log datetime msecQUESTION 511Which three are characteristics of an IPV6 anycast address?(choose three)A. any-to-many communication modelB. delivery of packets to the group interface that is closest to the sending deviceC. one-to-many communication modelD. the same address for multiple devices in the groupE. one-to-nearest communication modelF. a unique IPV6 address for each device in the groupQUESTION 512What is the purpose of the cisco Vlan Trunking protocol?A. to provide a mechanism to dynamically assign vlan membership to switch portsB. to allow traffic to be carried from multiple vlans over a single link between switchesC. to allow native vlan information to be carried over a trunk linkD. to provide a mechanism to manually assign vlan membership to switch portsE. to allow for managing the additions,deletions,and changes of vlans between switchsQUESTION 513Three switches are connected to one anther via trunk ports.Assuming the default switch configuration,whichswitch is elected as the root bridge for the spanning-tree instance of vlan 1?A. the switch with the lowest MAC addressB. the switch with the higest MAC addressC. the switch witch the higest IP addressD. the switch with the lowest IP addressQUESTION 514When you are troubleshooting an ACL issue on a router,which command can help you to verify whichinterfaces are affected by the ACL?A. show ip access-listB. show access-listC. list ip interfaceD. show interfaceE. show ip interfaceQUESTION 515Refer to the exhibit.Switch-1 needs to send data to a host with a MAC address of 00b0.d056.efa4.What willSwitch-1 do with this data?A. switch-1 will drop the data because it dose not have an entry for that MAC addressB. switch-1 will flood the data out all of its port from which the data originatedC. switch-1 will forward the data to its default gatewayD. switch-1 will send an ARP request out all its ports except the port from which the data originatedQUESTION 516Which command is used to display the collection of OSPF link states?A. show ip ospf lsa databaseB. show ip ospf link-stateC. show ip ospf neighborsD. show ip ospf databaseQUESTION 517Refer to the exhibit.What two results would occur if the hub were to be replaced with a switch that isconfigured with one Ethernet VLAN?(choose two)A. The number of collision domains would decrease.B. The number of collision domains would increase.C. The number of broadcast domains would remain the same.D. The number of collision domains would remain the same.E. The number of broadcast domains would increaseQUESTION 518Two switches are connected through a trunk link.which two commands show that there is a native VLANmismatch on that link?(choose two)A. show interfaces interfaceB. show vlan briC. show interfaces interface switchportD. show interface interface trunkE. show interfaces vlan