Which command must be globally enabled on a Cisco router to support IPv6?() A. ip routing ipv6B. ipv6 unicast - routingC. ipv6 routingD. ip classlessE. ipv6 cef
Which command must be globally enabled on a Cisco router to support IPv6?()
A. ip routing ipv6
B. ipv6 unicast - routing
C. ipv6 routing
D. ip classless
E. ipv6 cef
相关考题：
Which command enables OSPF for IPv6?() A. router ospf ipv6 process - idB. ipv6 ospf process - idC. router ospf process - idD. ipv6 router ospf process - id
Which command would you configure globally on a Cisco router that would allow you to view directly connected Cisco devices?() A. enable cdpB. cdp enableC. cdp runD. run cdp
Which two Cisco AutoQoS configuration statements are true？ （）A、the auto discovery qos command is supported on serial interfaces， subinterfaces， and virtual interfacesB、CEF must be enabled before configuring the auto discovery qos commandC、the auto discovery qos privilege EXEC command must be configured on a router for several days to collect a sampling of data trafficD、the auto qos trust command relies on NBAR to provide VoIP classificationE、the auto qos voip command configures the voip classification on routers and switches
If you have Cisco integrated services router and need to upgrade the Cisco IOS image,which kind of Cisco Support services do you need?（）A、Cisco SMARTNet onsiteB、Cisco TACC、Advanced Hardware ReplacementD、Software Support
Which command enables OSPF for IPv6?（）A、router ospf ipv6 process - idB、ipv6 ospf process - idC、router ospf process - idD、ipv6 router ospf process - id
Which three options are prerequisites to configuring Cisco AutoOoS？（）A、Cisco Express Forwarding （CEF） must be globally enabled.B、Prior to the enabling of the Cisco AutoOoS feature， the bandwidth command must be applied on all interfaces or subinterfaces.C、After the enabling of the Cisco AutoOoS feature， the bandwidth command must be applied on all interfaces or subinterfaces .D、OoS policies must be enabled on all interfaces that will participate in the AutoOoS configuration.E、An IP address must be configured on all low-bandwidth interfaces （768 kb/s or lower） that will participate in the AutoOoS configurationF、An IP address must be configured on all interfaces that will participate in the AutoOoS configuration
You are a network technician at Certpaper.com. Which description is correct when you have generated RSA keys on your Cisco router to prepare for secure device management？（）A、You must then specify the general-purpose key size used for authentication with the crypto key generaters a general-keys modulus command.B、You must then zeroize the keys to reset secure shell before configuring other parameters.C、All vty ports are automatically enabled for SSH to provide secure management.D、The SSH protocol is automatically enabled.
Which three statements best describe multicast operation on Cisco Nexus switches in a data center？（）A、 Cisco NX-OS Software does not support PIM dense mode.B、 The command ip multicast-routing must be enabled in Cisco NX-OS Software before any multicast configuration is possible on the switch.C、 PIM CLI configuration and verification commands are not available until you enable the PIM feature with the feature pim command.D、 Cisco NX-OS Software supports multicast routing per Layer 3 VRF instance.E、 The default PIM operational mode on the Cisco Nexus 7000 switch is SSM.
Which command would you configure globally on a Cisco router that would allow you to view directly connected Cisco devices?（）A、enable cdpB、cdp enableC、cdp runD、run cdp
Which command enables IPv6 forwarding on a cisco router?（）A、ipv6 hostB、ipv6 unicast-routingC、ipv6 localD、ipv6 neighbor
Which two statements about the Cisco AutoSecure feature are true？（）A、All passwords entered during the AutoSecure configuration must be a minimum of 8 characters in length.B、Cisco123 would be a valid password for both the enable password and the enable secret commands.C、The auto secure command can be used to secure the router login as well as the NTP and SSH protocols.D、For an interactive full session of AutoSecure， the auto secure login command should be used.E、If the SSH server was configured， the 1024 bit RSA keys are generated after the auto secure commandis enabled.
Which three causes could prevent a host from getting an IPv6 address with stateless autoconfiguration？（）A、The autoconfig command is missing from the router interface.B、IPv6 multicast routing is not enabled on the router interface.C、IPv6 unicast routing is not enabled on the router interface.D、The router interface is configured with a /63 mask.E、The router interface is configured with a /65 mask.
Which statement is true about the command ipv6 ospf 1 area 0?（）A、It must be issued before the network command to enable the OSPF pr ocess for IPv6.B、It must be issued after the network command to enable the OSPF process for IPv6.C、It must be issued in router global configuration mode to enable the OSPF process for IPv6.D、It must be issued in interface configuration mode to ena ble the OSPF process for IPv6.
Which of the following is not a characteristic of Cisco Express Forwarding？（）A、The adjacency table is populated from a router’s ARP cacheB、CEF does not require the first packet of a data flow to be process switchedC、CEF maintains the Forward Information Base and the adjacency tableD、CEF can be enabled with the interface command ip cefE、The FIB is populated from a router’s IP routing tableF、On most router platforms CEF is enabled by default
Which command must be globally enabled on a Cisco router to support IPv6?（）A、ip routing ipv6B、ipv6 unicast - routingC、ipv6 routingD、ip classlessE、ipv6 cef
Which pre-conditions must be met before an OSPF router can perform graceful restart？（）A、Router must be ABRB、Router must contain one sham link.C、The network topology must be stable.D、Router must be able to forward packets.E、Neighbors must support graceful restart.
多选题Which two Cisco AutoQoS configuration statements are true？ （）Athe auto discovery qos command is supported on serial interfaces， subinterfaces， and virtual interfacesBCEF must be enabled before configuring the auto discovery qos commandCthe auto discovery qos privilege EXEC command must be configured on a router for several days to collect a sampling of data trafficDthe auto qos trust command relies on NBAR to provide VoIP classificationEthe auto qos voip command configures the voip classification on routers and switches
多选题Which three causes could prevent a host from getting an IPv6 address with stateless autoconfiguration？（）AThe autoconfig command is missing from the router interface.BIPv6 multicast routing is not enabled on the router interface.CIPv6 unicast routing is not enabled on the router interface.DThe router interface is configured with a /63 mask.EThe router interface is configured with a /65 mask.
单选题When configuring role-based CLI on a Cisco router，which action will be taken first ？（）ACreate a parser view called root view.BLog in to the router as the root user.CEnable the root view on the router.DEnable role-based CLI globally on the router using the privileged EXEC mode Cisco IOS command.
单选题If you have Cisco integrated services router and need to upgrade the Cisco IOS image,which kind of Cisco Support services do you need?（）ACisco SMARTNet onsiteBCisco TACCAdvanced Hardware ReplacementDSoftware Support
多选题The Cisco AutoQoS feature is being used throughout the Company VOIP network. Which three statements about this feature are true？（）AThe mls qos global configuration command must be entered before configuring AutoQoS.BCEF must be enabled.CThe no auto qos voip command is used to disable Cisco AutoQos and revoke all configurations generated by Cisco AutoQos.DCDP must be enabled.ESNMP must be enabled.
单选题Which statement is true about the command ipv6 ospf 1 area 0?（）AIt must be issued before the network command to enable the OSPF pr ocess for IPv6.BIt must be issued after the network command to enable the OSPF process for IPv6.CIt must be issued in router global configuration mode to enable the OSPF process for IPv6.DIt must be issued in interface configuration mode to ena ble the OSPF process for IPv6.
单选题You are a network technician at Certpaper.com. Which description is correct when you have generated RSA keys on your Cisco router to prepare for secure device management？（）AYou must then specify the general-purpose key size used for authentication with the crypto key generaters a general-keys modulus command.BYou must then zeroize the keys to reset secure shell before configuring other parameters.CAll vty ports are automatically enabled for SSH to provide secure management.DThe SSH protocol is automatically enabled.
单选题Which of the following is not a characteristic of Cisco Express Forwarding？（）AThe adjacency table is populated from a router’s ARP cacheBCEF does not require the first packet of a data flow to be process switchedCCEF maintains the Forward Information Base and the adjacency tableDCEF can be enabled with the interface command ip cefEThe FIB is populated from a router’s IP routing tableFOn most router platforms CEF is enabled by default
单选题Which command must be globally enabled on a Cisco router to support IPv6?（）Aip routing ipv6Bipv6 unicast - routingCipv6 routingDip classlessEipv6 cef
单选题Which command enables IPv6 forwarding on a cisco router?（）Aipv6 hostBipv6 unicast-routingCipv6 localDipv6 neighbor
多选题Which three options are prerequisites to configuring Cisco AutoOoS？（）ACisco Express Forwarding （CEF） must be globally enabled.BPrior to the enabling of the Cisco AutoOoS feature， the bandwidth command must be applied on all interfaces or subinterfaces.CAfter the enabling of the Cisco AutoOoS feature， the bandwidth command must be applied on all interfaces or subinterfaces .DOoS policies must be enabled on all interfaces that will participate in the AutoOoS configuration.EAn IP address must be configured on all low-bandwidth interfaces （768 kb/s or lower） that will participate in the AutoOoS configurationFAn IP address must be configured on all interfaces that will participate in the AutoOoS configuration