juniper认证考试

What are two uses of the AS Path attribute?（） (Choose two.)A、route selectionB、loop avoidanceC、determining equal cost paths for reachabliltyD、defining the application of other BGP attributes

题目

What are two uses of the AS Path attribute?（） (Choose two.)

  • A、route selection
  • B、loop avoidance
  • C、determining equal cost paths for reachablilty
  • D、defining the application of other BGP attributes
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相似问题和答案

第1题：

What are two alternatives to configuring a full mesh of IBGP peers within your AS? ()(Choose two.)

A.multihop

B.communities

C.confederations

D.route reflection


参考答案：C, D

第2题：

When defining an application for AppFlow acceleration, which two must be configured on the WX device?()(Choose two.)

A. Define application type.

B. Enable AppFlow for the application.

C. Enable monitoring for the application.

D. Define source and destination IP addresses.


参考答案：A, B

第3题：

What are two purposes of the RSVP signaling protocol when configuring MPLS Label－Switched Paths (LSPs)? ()(Choose two.)

A. to perform a label push operation

B. to track the status of signaled LSPs

C. to perform longest-match route lookups

D. to reserve resources, such as labels and path information


参考答案：B, D

第4题：

How will router A choose a path to the 10.1.2.0／24 network when different routing protocols are configured (Choose three.)()。

A.If RIPv2 is the routing protocol, only the path AD will be installed in the routing table by default.

B.If RIPv2 is the routing protocol, the equal cost paths ABD and ACD will be installed in the routing table by default.

C.If EIGRP is the routing protocol, only the path AD will be installed in the routing table by default.

D.If EIGRP is the routing protocol, the equal cost paths ABD and ACD will be installed in the routing table by default.

E.If EIGRP and OSPF are both running on the network, the EIGRP paths will be installed in the routing table.

F.If EIGRP and OSPF are both running on the network, the OSPF paths will be installed in the routing table.


参考答案：A, D, E

第5题：

Which two BGP attributes are incorporated for loop prevention within an AS using a route reflection configuration? ()

A.A

B.B

C.C

D.D


参考答案：C, D

第6题：

What are two advantages of BGP route aggregation?() (Choose two.)

A. It can reduce routing table size.

B. It allows for optimal route selection.

C. It can reduce the number of routing updates.

D. It always shortens the attribute list for the aggregated route.


参考答案：A, C

第7题：

What are two purposes of the AS_PATH attribute?()

A. route selection

B. loop avoidance

C. determining equal cost paths for reachablilty

D. defining the application of other BGP attributes


参考答案：A, B

第8题：

What are two uses of the AS Path attribute?() (Choose two.)

A. route selection

B. loop avoidance

C. determining equal cost paths for reachablilty

D. defining the application of other BGP attributes


参考答案：A, B

第9题：

A router is running BGP and receives more than one route for a particular prefix. Assume all the routes for this prefix have the same attributes.Which three path features would be reasons be for the rou ter to ignore some of the routes and not consider them as candidates for the best path?（）

A. paths from an internal BGP (iBGP) neighbor if the local autonomous system (AS) appears in the AS_PATH

B. paths for which the NEXT_HOP is inaccess ible

C. paths from an external BGP (eBGP) neighbor if the local autonomous system (AS) appears in the AS_PATH

D. paths for which the NEXT_HOP is accessible

E. paths that are marked as synchronized in the show ip bgp output

F. paths that are marked as not synchronized in the show ip bgp output


参考答案：B, C, F

第10题：

Which two statements are true about the command ip route 172.16.3.0 255.255.255.0 192.168.2.4 (Choose two.)（）。

  • A、It establishes a static route to the 172.16.3.0 network
  • B、It establishes a static route to the 192.168.2.0 network
  • C、It configures the router to send any traffic for an unknown destination to the 172.16.3.0 network
  • D、It configures the router to send any traffic for an unknown destination out the interface with the address 192.168.2.4
  • E、It uses the default administrative distance
  • F、It is a route that would be used last if other routes to the same destination exist

正确答案:A,E

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