When an IPv6 enabled host boots, it sends a router solicitation (RS) message. An IPv6 router responds with a router advertisement (RA).Which two items are c ontained in the RA?() A. any route advertisements it has receivedB. prefixes for the linkC. keepalive timersD. IPv6 address for the hostE. request for the local host IP addressF. lifetime of the prefix
When an IPv6 enabled host boots, it sends a router solicitation (RS) message. An IPv6 router responds with a router advertisement (RA).Which two items are c ontained in the RA?()
A. any route advertisements it has received
B. prefixes for the link
C. keepalive timers
D. IPv6 address for the host
E. request for the local host IP address
F. lifetime of the prefix
相关考题：
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 enables OSPF for IPv6?() A. router ospf ipv6 process - idB. ipv6 ospf process - idC. router ospf process - idD. ipv6 router ospf process - id
Host 1 is trying to communicate with Host 2. The e0 interface on Router C is down. Which of the following are true (Choose two.)()。 A.Router C will use ICMP to inform Host 1 that Host 2 cannot be reachedB.Router C will use ICMP to inform Router B that Host 2 cannot be reachedC.Router C will use ICMP to inform Host 1, Router A, and Router B that Host 2 cannot be reachedD.Router C will send a Destination Unreachable message typeE.Router C will send a Router Selection message typeF.Router C will send a Source Quench message type
Which three of these items are found within the router advertisement message of IPv6 stateless autoconfiguration?（） (Choose three.)A、flags indicating the kind of autoconfiguration that can be done by hostsB、default router informationC、/64 prefix that can be used on the link and the lifetime of the prefixD、IPv6 DHCP server address information
What is the first thing that happens when IPv6 is enabled on an interface on a host？（）A、A router solicitation is sent on that interface.B、There is a duplicate address detection on the host interface.C、The link local address is assigned on the host interface.D、A neighbor redirect message is sent on the host interface.
What is IPv6 router solicitation?（）A、a request made by a node to join a specified multicast groupB、a request made by a node for its IP addressC、a request made by a node for the IP address of the DHCP serverD、a request made by a node for the IP address of the local router
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
What protocol specified by RFC 1256 will allow an enabled IP host a new router when a router becomes unavailable？ （）A、 IRDPB、 SNMPC、 HSRPD、 VRRP
Host 1 is trying to communicate with Host 2. The e0 interface on Router C is down. Which of the following are true (Choose two.)（）。A、Router C will use ICMP to inform Host 1 that Host 2 cannot be reachedB、Router C will use ICMP to inform Router B that Host 2 cannot be reachedC、Router C will use ICMP to inform Host 1, Router A, and Router B that Host 2 cannot be reachedD、Router C will send a Destination Unreachable message typeE、Router C will send a Router Selection message typeF、Router C will send a Source Quench message type
Host 1 has just started up and requests a web page from web server 2. Which two statements describe steps in the process Host 1 uses to send the request to web server 2 (choose two)（）。A、Host 1 addresses the frames to the MAC address of router R1B、Host 1 looks in its ARP cache for the MAC address of router R1C、Host 1 addresses the frames to the MAC address of web server 2D、Host 1 sends the packets to router R1 to be forwarded to web server 2E、Host 1 sends a broadcast ARP request to obtain the MAC address of webserver2
A router receives an IPv6 packet which is 2000 bytes in length. The MTU of the outgoing interface is 1500 bytes. Which action will the router take?（）A、Forward the packet.B、Fragment the packet.C、Drop the packet silently.D、Drop the packet and send an ICMPv6 message.
Which command enables IPv6 forwarding on a cisco router?（）A、ipv6 hostB、ipv6 unicast-routingC、ipv6 localD、ipv6 neighbor
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.
When an IPv6 enabled host boots, it sends a router solicitation (RS) message. An IPv6 router responds with a router advertisement (RA). Which two items are c ontained in the RA?（）A、any route advertisements it has receivedB、prefixes for the linkC、keepalive timersD、IPv6 address for the hostE、request for the local host IP addressF、lifetime of the prefix
Which of the following commands will cause RIPng to originate a default route advertisement whilesuppressing all other routes？（）A、Rl（config-if）#ipv6 default-information originateB、Rl（config-router）#ipv6 rip 〈process-name〉 default-information onlyC、Rl（config）#ipv6 route ：：/0 null 0D、Rl（config-if）#ipv6 rip 〈process-name〉 default-information onlyE、Rl（config-router）#ipv6 rip route ；：/0 originateF、Rl（config-router）#aggregate-address ：：/0 summarize-routes
Which three are needed to run VRF lite for IPv6 on a router？ （）A、VRF definition for IPv6B、MP BGP for IPv6C、LDPD、VRF-enabled routing protocolE、VRF-enabled interface
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
单选题What is the first thing that happens when IPv6 is enabled on an interface on a host？（）AA router solicitation is sent on that interface.BThere is a duplicate address detection on the host interface.CThe link local address is assigned on the host interface.DA neighbor redirect message is sent on the host interface.
多选题Which three of these items are found within the router advertisement message of IPv6 stateless autoconfiguration?（） (Choose three.)Aflags indicating the kind of autoconfiguration that can be done by hostsBdefault router informationC/64 prefix that can be used on the link and the lifetime of the prefixDIPv6 DHCP server address information
单选题What is IPv6 router solicitation?（）Aa request made by a node to join a specified multicast groupBa request made by a node for its IP addressCa request made by a node for the IP address of the DHCP serverDa request made by a node for the IP address of the local router
多选题When an IPv6 enabled host boots, it sends a router solicitation (RS) message. An IPv6 router responds with a router advertisement (RA). Which two items are c ontained in the RA?（）Aany route advertisements it has receivedBprefixes for the linkCkeepalive timersDIPv6 address for the hostErequest for the local host IP addressFlifetime of the prefix
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A router receives an IPv6 packet which is 2000 bytes in length. The MTU of the outgoing interface is 1500 bytes. What action will the router take？（）Aforwards the packetBfragments the packetCdrops the packet silentlyDdrops the packet and sends an ICMP message
多选题Which three are needed to run VRF lite for IPv6 on a router？（）AVRF definition for IPv6BMP BGP for IPv6CLDPDVRF-enabled routing protocolEVRF-enabled interface
单选题What protocol specified by RFC 1256 will allow an enabled IP host a new router when a router becomes unavailable？ （）A IRDPB SNMPC HSRPD VRRP
单选题Which of the following commands will cause RIPng to originate a default route advertisement whilesuppressing all other routes？（）ARl（config-if）#ipv6 default-information originateBRl（config-router）#ipv6 rip 〈process-name〉 default-information onlyCRl（config）#ipv6 route ：：/0 null 0DRl（config-if）#ipv6 rip 〈process-name〉 default-information onlyERl（config-router）#ipv6 rip route ；：/0 originateFRl（config-router）#aggregate-address ：：/0 summarize-routes
单选题A router receives an IPv6 packet which is 2000 bytes in length. The MTU of the outgoing interface is 1500 bytes. Which action will the router take?（）AForward the packet.BFragment the packet.CDrop the packet silently.DDrop the packet and send an ICMPv6 message.