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. keepali

题目
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


相似考题
更多“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?() ”相关问题
  • 第1题:

    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.

    正确答案:B

  • 第2题:

    Which command enables OSPF for IPv6?()

    • A、router ospf ipv6 process - id
    • B、ipv6 ospf process - id
    • C、router ospf process - id
    • D、ipv6 router ospf process - id

    正确答案:D

  • 第3题:

    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 reached
    • B、Router C will use ICMP to inform Router B that Host 2 cannot be reached
    • C、Router C will use ICMP to inform Host 1, Router A, and Router B that Host 2 cannot be reached
    • D、Router C will send a Destination Unreachable message type
    • E、Router C will send a Router Selection message type
    • F、Router C will send a Source Quench message type

    正确答案:A,D

  • 第4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?()

    • A、Forward the packet.
    • B、Fragment the packet.
    • C、Drop the packet silently.
    • D、Drop the packet and send an ICMPv6 message.

    正确答案:D

  • 第5题:

    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.

    正确答案:C,D,E

  • 第6题:

    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 originate
    • B、Rl(config-router)#ipv6 rip 〈process-name〉 default-information only
    • C、Rl(config)#ipv6 route ::/0 null 0
    • D、Rl(config-if)#ipv6 rip 〈process-name〉 default-information only
    • E、Rl(config-router)#ipv6 rip route ;:/0 originate
    • F、Rl(config-router)#aggregate-address ::/0 summarize-routes

    正确答案:D

  • 第7题:

    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

    正确答案:B

  • 第8题:

    多选题
    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 hosts

    B

    default router information

    C

    /64 prefix that can be used on the link and the lifetime of the prefix

    D

    IPv6 DHCP server address information


    正确答案: C,A
    解析: 暂无解析

  • 第9题:

    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?()
    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


    正确答案: D,B
    解析: 暂无解析

  • 第10题:

    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?()
    A

    forwards the packet

    B

    fragments the packet

    C

    drops the packet silently

    D

    drops the packet and sends an ICMP message


    正确答案: C
    解析: 暂无解析

  • 第11题:

    单选题
    What protocol specified by RFC 1256 will allow an enabled IP host a new router when a router  becomes unavailable? ()
    A

     IRDP

    B

     SNMP

    C

     HSRP

    D

     VRRP


    正确答案: C
    解析: 暂无解析

  • 第12题:

    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?()
    A

    Forward the packet.

    B

    Fragment the packet.

    C

    Drop the packet silently.

    D

    Drop the packet and send an ICMPv6 message.


    正确答案: A
    解析: 暂无解析

  • 第13题:

    What is IPv6 router solicitation?()

    • A、a request made by a node to join a specified multicast group
    • B、a request made by a node for its IP address
    • C、a request made by a node for the IP address of the DHCP server
    • D、a request made by a node for the IP address of the local router

    正确答案:D

  • 第14题:

    What protocol specified by RFC 1256 will allow an enabled IP host a new router when a router  becomes unavailable? ()

    • A、 IRDP
    • B、 SNMP
    • C、 HSRP
    • D、 VRRP

    正确答案:A

  • 第15题:

    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 R1
    • B、Host 1 looks in its ARP cache for the MAC address of router R1
    • C、Host 1 addresses the frames to the MAC address of web server 2
    • D、Host 1 sends the packets to router R1 to be forwarded to web server 2
    • E、Host 1 sends a broadcast ARP request to obtain the MAC address of webserver2

    正确答案:C,E

  • 第16题:

    Which command enables IPv6 forwarding on a cisco router?()

    • A、ipv6 host
    • B、ipv6 unicast-routing
    • C、ipv6 local
    • D、ipv6 neighbor

    正确答案:B

  • 第17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?()

    • 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

    正确答案:B,F

  • 第18题:

    Which three are needed to run VRF lite for IPv6 on a router? ()

    • A、VRF definition for IPv6
    • B、MP BGP for IPv6
    • C、LDP
    • D、VRF-enabled routing protocol
    • E、VRF-enabled interface

    正确答案:A,D,E

  • 第19题:

    单选题
    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.


    正确答案: D
    解析: 暂无解析

  • 第20题:

    单选题
    What is IPv6 router solicitation?()
    A

    a request made by a node to join a specified multicast group

    B

    a request made by a node for its IP address

    C

    a request made by a node for the IP address of the DHCP server

    D

    a request made by a node for the IP address of the local router


    正确答案: B
    解析: 暂无解析

  • 第21题:

    多选题
    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.


    正确答案: A,E
    解析: 暂无解析

  • 第22题:

    多选题
    Which three are needed to run VRF lite for IPv6 on a router?()
    A

    VRF definition for IPv6

    B

    MP BGP for IPv6

    C

    LDP

    D

    VRF-enabled routing protocol

    E

    VRF-enabled interface


    正确答案: E,D
    解析: 暂无解析

  • 第23题:

    单选题
    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 originate

    B

    Rl(config-router)#ipv6 rip 〈process-name〉 default-information only

    C

    Rl(config)#ipv6 route ::/0 null 0

    D

    Rl(config-if)#ipv6 rip 〈process-name〉 default-information only

    E

    Rl(config-router)#ipv6 rip route ;:/0 originate

    F

    Rl(config-router)#aggregate-address ::/0 summarize-routes


    正确答案: D
    解析: 暂无解析