单选题After evaluating the BGP attributes (AS Path, Local Preference, MED, and Origin) there are four additional route selection techniques used as tie-breakers. In which order are these applied?（）A prefer EBGP over IBGP, prefer routes from the lowest RID, p

题目
单选题
After evaluating the BGP attributes (AS Path, Local Preference, MED, and Origin) there are four additional route selection techniques used as tie-breakers. In which order are these applied?（）
A

prefer EBGP over IBGP, prefer routes from the lowest RID, prefer routes with lowest IGP metric 

B

prefer routes from the lowest RID, prefer routes with lowest IGP metric, prefer EBGP over IBGP

C

prefer routes with lowest IGP metric, prefer routes from the lowest RID, prefer EBGP over IBGP

D

prefer EBGP over IBGP, prefer routes with lowest IGP metric, prefer routes from the lowest RID

相似考题

1.Which BGP route selection criterion is superior?()A. lowest MEDB. highest weightC. lowest local preferenceD. highest local preference

2.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_PATHB. paths for which the NEXT_HOP is inaccess ibleC. paths from an external BGP (eBGP) neighbor if the local autonomous system (AS) appears in the AS_PATHD. paths for which the NEXT_HOP is accessibleE. paths that are marked as synchronized in the show ip bgp outputF. paths that are marked as not synchronized in the show ip bgp output

3.Refer to the exhibit. Which statement is true about the 6.6.6.0／24 prefix?()A. The command neighbor send -community is configured on BGP neighbor 10.10.23.3.B. If another path advertises the 6.6.6.0/24 path and has the default local preference, that path is more preferred.C. Route 6.6.6.0/24 is learned by an IBGP peer.D. The route 10.10.23.3 is not being advertised to other BGP neighbors.

4.Router R1 learns two routes with BGP for prefix 200.1.0.0/16. Comparing the two routes, route 1 has a shorter AS_Path Length, smaller MED, the same Weight, and smaller Local PreferencE.Which of the following is true about Router R1‘s choice of best path for this prefix?（）A. Route 1 is the best route.B. Route 2 is the best route.C. The routes tie as best, but one will be picked to be placed in the routing table based on tiebreakers .D. Neither route is considered best.

更多“单选题After evaluating the BGP attributes (AS Path, Local Preference, MED, and Origin) there are four additional route selection techniques used as tie-breakers. In which order are these applied?（）A prefer EBGP over IBGP, prefer routes from the lowest RID, p”相关问题

  • 第1题：

    A router has two paths to reach another network in a different autonomous system. Neither route was generated by the local router and both routes have the same default weight an d local preference values.Which statement is true about how BGP would select the best path?（）

    A. To influence one route to be preferred, its default local preference value will be changed via the use of the command bgp default local - preference 50

    B. Th e router will prefer the shortest autonomous system path

    C. If the command bgp always - compare - med has been given, then the router will prefer the route with the highest MED

    D. The router will prefer the route with the lower MED


    参考答案：B

  • 第2题：

    Router R1 learns two routes with BGP for prefix 200.1.0.0/16. Comparing the two routes, route 1 has a shorter AS_Path Length, smaller MED, the same Weight, and smaller Local PreferencE. Which of the following is true about Router R1's choice of best path for this prefix?（）

    • A、Route 1 is the best route.
    • B、Route 2 is the best route.
    • C、The routes tie as best, but one will be picked to be placed in the routing table based on tiebreakers .
    • D、Neither route is considered best.

    正确答案:B

  • 第3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

    正确答案:B,C,F

  • 第4题：

    Which BGP route selection criterion is superior?（）

    • A、lowest MED
    • B、highest weight
    • C、lowest local preference
    • D、highest local preference

    正确答案:B

  • 第5题：

    Which two statements are correct regarding default protocol preference values?（）

    • A、OSPF has a single preference value for both internal and external routes.
    • B、RIP is preferred over OSPF external routes.
    • C、Direct, local, and static routes have the same preference value.
    • D、OSPF's preference value is lower than BGP (both IBGP and EBGP).

    正确答案:B,D

  • 第6题：

    After evaluating the BGP attributes (AS Path, Local Preference, MED, and Origin) there are four additional route selection techniques used as tie-breakers. In which order are these applied?（）

    • A、prefer EBGP over IBGP, prefer routes from the lowest RID, prefer routes with lowest IGP metric 
    • B、prefer routes from the lowest RID, prefer routes with lowest IGP metric, prefer EBGP over IBGP
    • C、prefer routes with lowest IGP metric, prefer routes from the lowest RID, prefer EBGP over IBGP
    • D、prefer EBGP over IBGP, prefer routes with lowest IGP metric, prefer routes from the lowest RID

    正确答案:D

  • 第7题：

    What is the first step in BGP route selection?（）

    • A、The local router prefers the route with the shortest AS Path.
    • B、The local router verifies that it has a route to the BGP Next Hop IP address.
    • C、The local router prefers the route from the peer with the lowest peer ID address.
    • D、The local router prefers the route learned from an EBGP peer over a route learned from an IBGP peer.

    正确答案:B

  • 第8题：

    单选题
    What is the first step in BGP route selection?（）
    A

    The local router prefers the route with the shortest as-path.

    B

    The router first verifies that it has a route to the bgp Next Hop IP address.

    C

    The local router prefers the route from the peer with the lowest peer id address.

    D

    The local router prefers the route learned from an ebgp peer over a route learned from an ibgp peer.


    正确答案： A
    解析： 暂无解析

  • 第9题：

    单选题
    What are the mandatory，well-known BGP attributes？（）
    A

    origin，AS-path，next-hop

    B

    AS-path，origin，MED

    C

    AS-path，origin，weight

    D

    AS-path，weight，MED


    正确答案： A
    解析： 暂无解析

  • 第10题：

    单选题
    After evaluating the BGP attributes (AS Path, Local Preference, MED, and Origin) there are four additional route selection techniques used as tie-breakers. In which order are these applied?（）
    A

    prefer EBGP over IBGP, prefer routes from the lowest RID, prefer routes with lowest IGP metric 

    B

    prefer routes from the lowest RID, prefer routes with lowest IGP metric, prefer EBGP over IBGP

    C

    prefer routes with lowest IGP metric, prefer routes from the lowest RID, prefer EBGP over IBGP

    D

    prefer EBGP over IBGP, prefer routes with lowest IGP metric, prefer routes from the lowest RID


    正确答案： D
    解析： 暂无解析

  • 第11题：

    单选题
    Which types of prefixes will a router running BGP most likely advertise to an IBGP peer， assuming it is notconfigured as a route reflector？（）
    A

    prefixes received from any other BGP peer and prefixes locally originated via network statements or redistributed

    B

    all prefixes in its routing table

    C

    prefixes received from EBGP peers and prefixes locally originated via network statements or     redistributed

    D

    prefixes received from EBGP peers and prefixes received from route reflectors

    E

    prefixes received from other IBGP peers， prefixes received from EBGP peers，and prefixes redistributedto BGP

    F

    prefixes received from other IBGP peers and prefixes received from route reflectors


    正确答案： E
    解析： 暂无解析

  • 第12题：

    单选题
    A router has two paths to reach another network in a different autonomous system. Neither route was generated by the local router and both routes have the same default weight an d local preference values. Which statement is true about how BGP would select the best path?（）
    A

    To influence one route to be preferred, its default local preference value will be changed via the use of the command bgp default local - preference 50

    B

    Th e router will prefer the shortest autonomous system path

    C

    If the command bgp always - compare - med has been given, then the router will prefer the route with the highest MED

    D

    The router will prefer the route with the lower MED


    正确答案： A
    解析： 暂无解析

  • 第13题：

    What are the mandatory， well-known BGP attributes？（）

    • A、origin,AS-path,next-hop
    • B、AS-path,origin,MED
    • C、AS-path,origin,weight
    • D、AS-path,weight,MED

    正确答案:A

  • 第14题：

    Which two statements about the bgp deterministic-med and bgp always-compare-med commands are true？（）

    • A、The bgp deterministic-med command is used to influence the BGP route selection process to cause the MED attribute to have higher precedence over the AS path length
    • B、The bgp always-compare command is used to influence the BGP route selection process to cause the MED attribute to have higher precedence over the AS path system
    • C、Enabling the bgp deterministic-med command ensures the comparison of the MED variable when choosing routes advertised by different peers in the same autonomous system.
    • D、Enabling the bgp always-compare-med command ensures the comparison of the MED variable for paths from neighbors in different autonomous systems.
    • E、The bgp deterministic-med and bgp always-compare-med commands are enabled by defult.

    正确答案:C,D

  • 第15题：

    A router has two paths to reach another network in a different autonomous system. Neither route was generated by the local router and both routes have the same default weight an d local preference values. Which statement is true about how BGP would select the best path?（）

    • A、To influence one route to be preferred, its default local preference value will be changed via the use of the command bgp default local - preference 50
    • B、Th e router will prefer the shortest autonomous system path
    • C、If the command bgp always - compare - med has been given, then the router will prefer the route with the highest MED
    • D、The router will prefer the route with the lower MED

    正确答案:B

  • 第16题：

    Which two statements are true regarding EBGP and Confederation BGP?（） (Choose two.)

    • A、EBGP peers advertise MED and change Next Hop.
    • B、EBGP peers advertise Local Preference and do NOT change Next Hop.
    • C、Confederation BGP peers advertise MED and do NOT change Next Hop.
    • D、Confederation BGP peers advertise Local Preference and change Next Hop.

    正确答案:A,C

  • 第17题：

    By default， to which peers will a BGP router advertise routes learned from IBGP peers？（）

    • A、all BGP peers
    • B、all IBGP peers
    • C、all EBGP peers
    • D、all MBGP peers

    正确答案:C

  • 第18题：

    What is the first step in BGP route selection?（）

    • A、The local router prefers the route with the shortest as-path.
    • B、The router first verifies that it has a route to the bgp Next Hop IP address.
    • C、The local router prefers the route from the peer with the lowest peer id address.
    • D、The local router prefers the route learned from an ebgp peer over a route learned from an ibgp peer.

    正确答案:B

  • 第19题：

    单选题
    What is the first step in BGP route selection?（）
    A

    The local router prefers the route with the shortest AS Path.

    B

    The local router verifies that it has a route to the BGP Next Hop IP address.

    C

    The local router prefers the route from the peer with the lowest peer ID address.

    D

    The local router prefers the route learned from an EBGP peer over a route learned from an IBGP peer.


    正确答案： B
    解析： 暂无解析

  • 第20题：

    单选题
    By default， to which peers will a BGP router advertise routes learned from IBGP peers？（）
    A

    all BGP peers

    B

    all IBGP peers

    C

    all EBGP peers

    D

    all MBGP peers


    正确答案： A
    解析： 暂无解析

  • 第21题：

    单选题
    Router R1 learns two routes with BGP for prefix 200.1.0.0/16. Comparing the two routes, route 1 has a shorter AS_Path Length, smaller MED, the same Weight, and smaller Local PreferencE. Which of the following is true about Router R1's choice of best path for this prefix?（）
    A

    Route 1 is the best route.

    B

    Route 2 is the best route.

    C

    The routes tie as best, but one will be picked to be placed in the routing table based on tiebreakers .

    D

    Neither route is considered best.


    正确答案： B
    解析： 暂无解析

  • 第22题：

    单选题
    Which BGP route selection criterion is superior?（）
    A

    lowest MED

    B

    highest weight

    C

    lowest local preference

    D

    highest local preference


    正确答案： C
    解析： 暂无解析

  • 第23题：

    单选题
    RTA向RTB通告一条从EBGP相邻体学到的路由1.1.1.0/24，其属性  local preference：100   MED://100   AS_PATH：300   Origin：incomplete   Next_hop：10.10.10.1/24   RTB接收到的路由10.10.10.1/24的属性为（）
    A

    L ocal preference：100 MED://100，  AS_PATH：100 300 ， Origin：egp ， Next_hop10.110.10.1/16 

    B

    L ocal preference：空 MED:// 0， AS_PATH：100 300 ， Origin：incomplete ， Next_hop：10.110.20.1/16

    C

    L ocal preference：100 MED://空，  AS_PATH：300 100 ， Origin：igp ， Next_hop：10.110.20.1/16

    D

    L ocal preference：空 MED:// 0，AS_PATH：300 100 ， Origin： incomplete ，Next_hop：10.10.10.1/24


    正确答案： D
    解析： 暂无解析

  • 第24题：

    单选题
    Refer to the exhibit. Which statement is true about the 6.6.6.0/24 prefix？（）
    A

    If another path advertises the 6.6.6.0/24 path and has the default local preference， that path is more preferred

    B

    The command neighbor send-community is configured on BGP neighbor 10.10.23.3

    C

    The route 10.10.23.3 is not being advertised to other BGP neighbors

    D

    Route 6.6.6.0/24 is learned by an IBGP peer


    正确答案： C
    解析： 暂无解析

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