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 f

题目

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.


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参考答案和解析
参考答案:B
更多“Router R1 learns two routes with BGP for prefix 200.1.0.0/16. Comparing the two routes, ro ”相关问题
  • 第1题:

    Router R1 is configured as shown below:router eigrp 100network 10.0.0.0eigrp stubBased on the information shown above, which two types of routes will be advertised?()

    A. Receive - only

    B. Stub

    C. Static

    D. Summary

    E. Connected

    F. Dynamic


    参考答案:D, E

  • 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:

    What are two default routing policies on Junos devices?()

    • A、The BGP import policy accepts all BGP routes.
    • B、The BGP export policy rejects all active BGP routes.
    • C、The OSPF import policy accepts all OSPF routes.
    • D、The OSPF export policy accepts all active OSPF routes.

    正确答案:A,C

  • 第4题:

    Router R1 learns two routes with BGP for prefix 200.1.0.0/16. Comparing the two routes, route 1 has a longer AS_Path Length, bigger MED, bigger Weight, and smaller Loca l 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:A

  • 第5题:

    Router R1 is configured as shown below: router eigrp 100 network 10.0.0.0 eigrp stub Based on the information shown above, which two types of routes will be advertised?()

    • A、Receive - only
    • B、Stub
    • C、Static
    • D、Summary
    • E、Connected
    • F、Dynamic

    正确答案:D,E

  • 第6题:

    Which two routes do P routers see by default in a BGP MPLS VPN configuration? ()(Choose two.)

    • A、IGP routes advertised by P routers
    • B、IGP routes advertised by PE routers
    • C、VPN routes advertised by PE routers
    • D、VPN routes advertised by CE routers

    正确答案:A,B

  • 第7题:

    多选题
    Which two statements about route redistribution when implementing OSPF are true?()
    A

    Routes learned using any IP routing protocol can only be redistributed into non IP routing protocols.

    B

    OSPF can import routes learned using EIGRP, RIP, and IS - IS.

    C

    OSPF routes cannot be exported into EIGRP, RIP, an d IS - IS.

    D

    At the interdomain level, OSPF cannot import routes learned using BGP.

    E

    OSPF routes can be exported into BGP.


    正确答案: D,A
    解析: 暂无解析

  • 第8题:

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

    OSPF internal routes have a lower preference than static routes.

    B

    Both direct and local routes have the same preference value.

    C

    OSPF's preference value is lower than BGP.

    D

    OSPF has a single preference value for both internal and external routes.


    正确答案: C,D
    解析: 暂无解析

  • 第9题:

    多选题
    In which two ways does the BGP graceful capability preserve prefix information during a restart?()
    A

    The peer router immediately removes the BGP routers that it learned from the restarting router from itsBGP routing tables.

    B

    The router establishes BGP sessions with other routers and relearns the BGP routes from others that are also capable of graceful restart. The restarting router waits to receive updates from the neighboringrouters. When the neighboring routers send end-of-RIB messages to indicate that they are donesending updates,the restarting router starts sending its own updates.

    C

    The peer router sends an end-of-RIB message to the restarting router.

    D

    The restarting router removes any stale prefixes after the timer for stale entries expires.

    E

    The restarting router does not remove any stale prefixes after the timer for stale entries expires.


    正确答案: A,C
    解析: 暂无解析

  • 第10题:

    多选题
    In which two ways does the BGP graceful restart capability preserve prefix information during a restart?()
    A

    The peer router sends an end-of RIB message to the restarting router

    B

    The peer router immediately removes the BGP routes that it learned from the restarting router from its BGP routing table

    C

    The restarting router does not remove any stale prefixes after the timer for stale entries expires

    D

    The router establishes BGP sessions with other routers and relearns the BGP routes from other routers that are also capable of graceful restart. The restarting router waits to receive updates from the neighboring routers. When the neighboring routers send end-of-RIB messages to indicate that they are done sending updates, the restarting router starts sending its own updates

    E

    The restarting router removes any stale prefixes after the timer for stale entries expires


    正确答案: A,D
    解析: 暂无解析

  • 第11题:

    多选题
    Which two statements describe the default routing policy for BGP?()
    A

    Advertise only locally originated routes.

    B

    Accept all BGP routes and import into inet.0.

    C

    Advertise all active BGP routes.

    D

    Advertise only EBGP routes.


    正确答案: A,C
    解析: 暂无解析

  • 第12题:

    单选题
    R1 is currently advertising prefixes 1.0.0.0/8, 2.0.0.0/8, and 3.0.0.0/8 over its eBGP connection to neighbor 2.2.2.2 (R2). An engineer configures a prefix list (fred) on R1 that permits only 2.0.0.0/8 and then enables the filter with the neighbor R2 prefix- list fred out command. Upon exiting configuration mode, the engineer uses some show commands on R1, but no other commands. Which of the following is true in this case?()
    A

    The show ip bgp neighbor 2 .2.2.2 received -routes command lists the three original prefixes.

    B

    The show ip bgp neighbor 2.2.2.2 advertised - routes command lists the three original prefixes.

    C

    The show ip bgp neighbor 2.2.2.2 routes command lists the three original prefixes.

    D

    T he show ip bgp neighbor 2.2.2.2 routes command lists only 2.0.0.0/8.

    E

    The show ip bgp neighbor 2.2.2.2 advertised - routes command lists only 2.0.0.0/8.


    正确答案: A
    解析: 暂无解析

  • 第13题:

    Router R1 is redistributing between two OSPF processes. Given the configuration shown, which includes all commands in the route map named fred, which of the following answers is true regarding the redistribution into OSPF process 1?() router ospf 1 redistribute ospf 2 external 2 route - map fred ! route - map fred permit 10 match ip address 1 set metric - type type - 1

    • A、No routes are redistributed because a route cannot be both E1 and E2.
    • B、Only OSPF E2 routes in the OSPF 2 domain will be considered for redistribution.
    • C、Inside the OSPF 2 domain, any formerly E2 routes will become E1 routes.
    • D、Routes permitted by ACL 1 will be redistributed, regardless of whether the routes are E1 or E2 routes.

    正确答案:B

  • 第14题:

    Which two statements about route redistribution when implementing OSPF are true?()

    • A、Routes learned using any IP routing protocol can only be redistributed into non IP routing protocols.
    • B、OSPF can import routes learned using EIGRP, RIP, and IS - IS.
    • C、OSPF routes cannot be exported into EIGRP, RIP, an d IS - IS.
    • D、At the interdomain level, OSPF cannot import routes learned using BGP.
    • E、OSPF routes can be exported into BGP.

    正确答案:B,E

  • 第15题:

    In which two ways does the BGP graceful capability preserve prefix information during a restart?()

    • A、The peer router immediately removes the BGP routers that it learned from the restarting router from itsBGP routing tables.
    • B、The router establishes BGP sessions with other routers and relearns the BGP routes from others that are also capable of graceful restart. The restarting router waits to receive updates from the neighboringrouters. When the neighboring routers send end-of-RIB messages to indicate that they are donesending updates,the restarting router starts sending its own updates.
    • C、The peer router sends an end-of-RIB message to the restarting router.
    • D、The restarting router removes any stale prefixes after the timer for stale entries expires.
    • E、The restarting router does not remove any stale prefixes after the timer for stale entries expires.

    正确答案:B,D

  • 第16题:

    Router R1 refers to route - map fred when redistributing from EIGRP into OSPF. The entire route - map is listed next. Which of the following answers must be true based on the configuration as shown?() route - map fred deny 10 match ip address one route - map fred deny 20 match ip address two route - map fred permit 100

    • A、The third route map clause will allow any routes not already filtered by the first two clauses
    • B、R outes permitted by ACL "two" will be redistributed
    • C、Routes denied by ACL "one" will be redistributed
    • D、All routes will be filtereD

    正确答案:A

  • 第17题:

    R1 is currently advertising prefixes 1.0.0.0/8, 2.0.0.0/8, and 3.0.0.0/8 over its eBGP connection to neighbor 2.2.2.2 (R2). An engineer configures a prefix list (fred) on R1 that permits only 2.0.0.0/8 and then enables the filter with the neighbor R2 prefix- list fred out command. Upon exiting configuration mode, the engineer uses some show commands on R1, but no other commands. Which of the following is true in this case?()

    • A、The show ip bgp neighbor 2 .2.2.2 received -routes command lists the three original prefixes.
    • B、The show ip bgp neighbor 2.2.2.2 advertised - routes command lists the three original prefixes.
    • C、The show ip bgp neighbor 2.2.2.2 routes command lists the three original prefixes.
    • D、T he show ip bgp neighbor 2.2.2.2 routes command lists only 2.0.0.0/8.
    • E、The show ip bgp neighbor 2.2.2.2 advertised - routes command lists only 2.0.0.0/8.

    正确答案:B

  • 第18题:

    多选题
    Refer to the exhibit. Which two statements are correct? (Choose two.)()
    A

    All six routes will be installed in the routing table.

    B

    Two routes will be installed in the routing table.

    C

    Four routes will be installed in the routing table.

    D

    All the routes were redistributed into BGP from an IGP.

    E

    All the routes were originated by BGP with the network command.


    正确答案: C,B
    解析: 暂无解析

  • 第19题:

    多选题
    What are two default routing policies on Junos devices?()
    A

    The BGP import policy accepts all BGP routes.

    B

    The BGP export policy rejects all active BGP routes.

    C

    The OSPF import policy accepts all OSPF routes.

    D

    The OSPF export policy accepts all active OSPF routes.


    正确答案: A,C
    解析: 暂无解析

  • 第20题:

    单选题
    Which statement is true regarding the remote route table of a local WX device?()
    A

    Remote routes are the compression subnets advertised by remote WX devices.

    B

    Remote routes include routes for remote hosts or subnets advertised by a WAN router.

    C

    Remote routes are the routes advertised by remote routers that are more than two hops away.

    D

    Remote routes are the compression subnets advertised by the local WX device to the remote WX devices.


    正确答案: D
    解析: 暂无解析

  • 第21题:

    多选题
    Refer to the exhibit. Which two statements are correct?()
    A

    All six routes will be installed in the routing table

    B

    Two routes will be installed in the routing table

    C

    Four routes will be installed in the routing table

    D

    All the routes were redistributed into BGP from an IGP

    E

    All the routes were originated by BGP with the network command


    正确答案: A,B
    解析: 暂无解析

  • 第22题:

    多选题
    Router R1 is configured as shown below: router eigrp 100 network 10.0.0.0 eigrp stub Based on the information shown above, which two types of routes will be advertised?()
    A

    Receive - only

    B

    Stub

    C

    Static

    D

    Summary

    E

    Connected

    F

    Dynamic


    正确答案: B,A
    解析: 暂无解析

  • 第23题:

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

    RIP is preferred over OSPF external routes.

    B

    Direct, local, and static routes have the same preference value.

    C

    OSPF's preference value is lower than BGP.

    D

    OSPF has a single preference value for both internal and external routes.


    正确答案: C,D
    解析: 暂无解析

  • 第24题:

    多选题
    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: D,C
    解析: 暂无解析