What is the purpose of unicast r

题目

What is the purpose of unicast reverse path forwarding?()

  • A、to validate packet receipt on interfaces where the traffic should be received
  • B、to forward packets out the interfaces where the traffic should be received
  • C、to forward packets out the interfaces where the traffic should be sent
  • D、to validate packet receipt on interfaces where the traffic should be sent
如果没有搜索结果或未解决您的问题,请直接 联系老师 获取答案。
相似问题和答案

第1题:

What is the difference between the IPv6 addresses ::/0 and ::/128?()

  • A、::/0 is the unspecified address, and ::/128 is the multicast address
  • B、::/0 is the unicast address, and ::/128 is the anycast address
  • C、::/0 is the unicast address, and ::/128 is the multicast address
  • D、::/0 is the anycast address, and ::/128 is the multicast address
  • E、::/0 is the default route, and ::/128 is the unspecified address
  • F、::/0 is the anycast address, and ::/128 is the default address

正确答案:E

第2题:

What is the purpose of an administrative distance?


正确答案:An administrative distance is a rating of preference for a routing protocol or a static route. When a router learns of a destination via more than one routing protocol or static route, AD will be used to choose the route with the lowest value.

第3题:

The purpose of two questions in the second paragraph is to ________.

[A] demonstrate why people are amused

[B] display what people laugh at

[C] bring to light the phenomenon of laughter

[D] accent what a phenomenon laughter really is


正确答案:D
在文章的第二段中,作者的两个反问句都是针对笑及笑时的表情的,其目的在于强调笑这种现象究竟是什么。所以本题的正确答案应当为D。

第4题:

what is the purpose of classification?


正确答案:The purpose of classification is to sort packets into different traffic types, so that different policies then can be applied.

第5题:

What is the purpose of the Route Tag field in the RIPv2 message?


正确答案:When another routing protocol uses the RIPv2 domain as a transit domain, the protocol external to RIPv2 can use the Route Tag field to communicate information to its peers on the other side of the RIPv2 domain.

第6题:

What Cisco technology protects against Spanning-Tree Protocol manipulation?()

  • A、 Spanning tree protect
  • B、 Root Guard and BPDU Guard
  • C、 Unicast Reverse Path Forwarding
  • D、 MAC spoof guard
  • E、 Port Security

正确答案:B

第7题:

What will an Ethernet switch do if it receives a unicast frame with a destination MAC that is listed in the switch table?()

  • A、The switch will not forward unicast frames.
  • B、The switch will forward the frame to a specific port.
  • C、The switch will return a copy of the frame out the source port.
  • D、The switch will remove the destination MAC from the switch table.
  • E、The switch will forward the frame to all ports except the port on which it was received.

正确答案:B

第8题:

What is the purpose of unicast reverse path forwarding?()

A. to validate packet receipt on interfaces where the traffic should be received

B. to forward packets out the interfaces where the traffic should be received

C. to forward packets out the interfaces where the traffic should be sent

D. to validate packet receipt on interfaces where the traffic should be sent


参考答案:A

第9题:

What does a unicast prefix-based IPv6 multicast address start with?()

  • A、FF80
  • B、FF3
  • C、FF
  • D、FF7

正确答案:B

第10题:

What is the purpose of typing o/r 0x2142 during a password recover procedure on a 2500 series router?()

  • A、To restart the router.
  • B、To bypass the configuration in NVRAM.
  • C、To view the lost password.
  • D、To save the changes to the configuration.
  • E、To enter ROM Monitor mode.

正确答案:B

更多相关问题