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Which of the following are steps to configure destination-based Remote Triggered Black Hole（RTBH）filtering？（）A、Configure OSPF between trigger router and black hole routesB、Configure all edge routers with static （reserved） host route to Null0C、Configure BG

题目

Which of the following are steps to configure destination-based Remote Triggered Black Hole（RTBH）filtering？（）

  • A、Configure OSPF between trigger router and black hole routes
  • B、Configure all edge routers with static （reserved） host route to Null0
  • C、Configure BGP beteen trigger and black hole routers
  • D、Configure on trigger router to advertise victim host route with commumity
  • E、Activate black hole by redistributing route for victim into BGP with next-hop set to the static（reserved）host route configured on edge routers
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相似问题和答案

第1题：

Refer to the diagram. Which OSPF configuration command is required to configure Area 3 a s atotally stubby area?()

A. On the ABR router ospf 10 area 3 stub

B. On all Area 3 routers router ospf 10 area 3 stub

C. On all Area 3 routers router ospf 10 area 3 stub no - summary

D. On the ABR router ospf 10 area 3 nssa

E. On the ABR rou ter ospf 10 area 3 stub no - summary


参考答案：E

第2题：

The network shown in the diagram is experiencing connectivity problems. Which of the following will correct the problems (Choose two.)()。

A.Configure the gateway on Host A as 10.1.1.1

B.Configure the gateway on Host B as 10.1.2.254

C.Configure the IP address of Host A as 10.1.2.2

D.Configure the IP address of Host B as 10.1.2.2

E.Configure the masks on both hosts to be 255.255.255.224

F.Configure the masks on both hosts to be 255.255.255.240


参考答案：B, D

第3题：

Users are unable to access resources in the 172.23.14.0／24 subnet.Referring to the exhibit, which two actions would solve this problem?()

A. Configure a separate routing instance.

B. Configure a default static route.

C. Configure a static route to 172.23.14.0/24.

D. Configure the existing routes to resolve the indirect next hop.


参考答案：B, C

第4题：

Which statement about Remotely Triggered Black Hole （RTBH） is true？（）

  • A、Route tagging is one of the techniques used by RTBH
  • B、It is used for BGP authentication
  • C、It cannot work with static routes
  • D、It uses extended ACLs for blocking attacks by creating a black hole
  • E、Before configuring RTBH LDP must be enabled on the interface

正确答案:A

第5题：

According to the fourth paragraph, which of the following is NOT true?

A. No nuclear explosion would be triggered inside the star.
B. The star would be destroyed completely.
C. Much of the star's matter thrown by the explosion would be beyond the black hole's reach.
D. The black hole would completely devour the star.

答案：D
解析：

第6题：

In which situation would the use of a static route be appropriate?()

A. To configure a route to the first Layer 3 device on the network segment.

B. To configure a route from an ISP router into a corporate network.

C. To configure a route when the administrative distance of the current routing protocolis too low.

D. To reach a network is more than 15 hops away.

E. To provide access to the Internet for enterprise hosts.


参考答案：B

第7题：

A network administrator needs to configure a serial link between the main office and a remote location. The router at the remote office is a non-Cisco router.How should the network administrator configure the serial interface of the main office router to make the connection?（）

A.

B.

C.

D.


参考答案：B

第8题：

Which of the following is the primary motivation for using BGP between an Enterprise and its ISPs?()

A. To influence the choice of best path (best route) for at least some routes

B. To avoid having to configure static routes

C. To allow redistribution of BGP routes into the IGP routing protocol

D. To monitor the size of the Internet BGP table


参考答案：A

第9题：

Which of the following is the primary motivation for using BGP between an Enterprise and its ISPs?（）

  • A、To influence the choice of best path (best route) for at least some routes
  • B、To avoid having to configure static routes
  • C、To allow redistribution of BGP routes into the IGP routing protocol
  • D、To monitor the size of the Internet BGP table

正确答案:A

第10题：

A router learns about a remote network from EIGRP, OSPF, and a static route. Assuming all routing protocols are using their default administrative distance, which route will the router use to forward data to the remote network（）。

  • A、The router will use the static route.
  • B、The router will use the OSPF route.
  • C、The router will use the EIGRP route.
  • D、The router will load balance and use all three routes.

正确答案:A

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