Which of the following three BGP filtering methods enabled with the neighbor command will filter BGP prefixes based on the prefix and prefix length?()A. A neighbor distribute - list out command, referencing a standard ACLB. A neighbor prefix - list out co

题目
Which of the following three BGP filtering methods enabled with the neighbor command will filter BGP prefixes based on the prefix and prefix length?()

A. A neighbor distribute - list out command, referencing a standard ACL

B. A neighbor prefix - list out command

C. A neighbor filter - list out command

D. A neighbor distribute - list out command, referencing an extended ACL

E. A neighbor route - map out command


相似考题
更多“Which of the following three BGP filtering methods enabled with the neighbor command will filter BGP prefixes based on the prefix and prefix length?() ”相关问题
  • 第1题:

    在MP-BGP的更新中,包含下列哪些信息()。

    • A、VPNv4 prefix,RT,MPLSVPN label以及所有强制的BGP属性
    • B、VPNv4 prefix,MPLSVPN label
    • C、VPNv4 prefix,RT以及所有强制的BGP属性
    • D、VPNv4 prefix,全局BGP prefix以及所有强制的BGP属性

    正确答案:A

  • 第2题:

    Which BGP community is used to prevent the advertisement of the BGP prefix to other BGP peers?()

    • A、additive
    • B、none
    • C、no-export
    • D、no-advertise
    • E、local-as

    正确答案:D

  • 第3题:

    Which one of the following statements about BGP is FALSE?()

    • A、BGP uses TCP port 179.
    • B、BGP ensures reliability of updates by using the reliable transport services of TCP.
    • C、The network command with the mask option never insta lls a prefix into the BGP table unless there is a matching prefix exists in the IP route table.
    • D、A TCP connection is required before exchanging updates.
    • E、BGPuses notification and the update messages to establish and maintain the BGP neighbor relati onship.

    正确答案:E

  • 第4题:

    A BGP router is configured as shown below:  interface ethernet 0 ip address 10.10.10.1 255.255.0.0! int serial 0 ip address 172.16.1.1 255.255.255.252! router bgp 65001 neighbor 192.168.1.1 remote-as 65002   Based on the above configuration, which of the following BGP statements would inject the10.10.0.0/16 prefix into the BGP routing table?()

    • A、network 10.0.0.0
    • B、network 10.10.0.0 mask 255.255.0.0
    • C、network 10.10.10.1 mask 255.255.255.255
    • D、network 10.10.10.0 mask 255.255.255.0
    • E、network 10.0.0.0 mask 255.255.0.0

    正确答案:B

  • 第5题:

    The following output was taken from the show ip bgp command on Router R2. In this case, which of the following commands are most likely to already be configured on R2?() BGP router identifier 11.11.11.11, local AS number 11 ... Neighbor V AS Ms gRcvd MsgSent TblVer InQ OutQ Up/Down State/PfxRcd 1.1.1.1 4 1 87 87 0 0 0 00:00:06 Idle (Admin) 2.2.2.2 4 3 173 183 41 0 0 00:58:47

    • A、router bgp 11
    • B、neighbor 1.1.1.1 remote- as 11
    • C、neighbor 2.2.2.2 prefix - limit 1
    • D、neighbor 1.1.1.1 shutdown

    正确答案:A,D

  • 第6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7题:

    单选题
    Which one of the following statements about BGP is FALSE?()
    A

    BGP uses TCP port 179.

    B

    BGP ensures reliability of updates by using the reliable transport services of TCP.

    C

    The network command with the mask option never insta lls a prefix into the BGP table unless there is a matching prefix exists in the IP route table.

    D

    A TCP connection is required before exchanging updates.

    E

    BGPuses notification and the update messages to establish and maintain the BGP neighbor relati onship.


    正确答案: E
    解析: 暂无解析

  • 第8题:

    多选题
    Which of the following three BGP filtering methods enabled with the neighbor command  will filter BGP prefixes based on the prefix and prefix length?()
    A

    A neighbor distribute - list out command, referencing a standard ACL

    B

    A neighbor prefix - list out command

    C

    A neighbor filter - list out command

    D

    A neighbor distribute - list  out command, referencing an extended ACL

    E

    A neighbor route - map out command


    正确答案: C,A
    解析: 暂无解析

  • 第9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10题:

    单选题
    Which of the following answers is most true about the BGP Update message?()
    A

    It lists a set of path attributes, along with a list of prefixes that use those PAs

    B

    It lists a prefix/length, plus the PA settings for that prefix

    C

    It  lists withdrawn routes, but never in the same Update message as newly advertised routes

    D

    A single Update message lists at most a single prefix/lengtH


    正确答案: B
    解析: 暂无解析

  • 第11题:

    单选题
    Which route filter match type only matches prefixes greater than the defined prefix?()
    A

    exact

    B

    upto

    C

    longer

    D

    orlonger


    正确答案: C
    解析: 暂无解析

  • 第12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

  • 第13题:

    Which of the following answers is most true about the BGP Update message?()

    • A、It lists a set of path attributes, along with a list of prefixes that use those PAs
    • B、It lists a prefix/length, plus the PA settings for that prefix
    • C、It  lists withdrawn routes, but never in the same Update message as newly advertised routes
    • D、A single Update message lists at most a single prefix/lengtH

    正确答案:A

  • 第14题:

    Which of the following three BGP filtering methods enabled with the neighbor command  will filter BGP prefixes based on the prefix and prefix length?()

    • A、A neighbor distribute - list out command, referencing a standard ACL
    • B、A neighbor prefix - list out command
    • C、A neighbor filter - list out command
    • D、A neighbor distribute - list  out command, referencing an extended ACL
    • E、A neighbor route - map out command

    正确答案:B,D,E

  • 第15题:

    Which two options does Cisco PfR use to control the entrance link selection with inbound  optimization?()

    • A、Prepend extra AS hops to the BGP prefix.
    • B、Advertise more specific BGP prefixes(longer mask).
    • C、Add(prepend)one or more communities to the prefix that is advertised by BGP.
    • D、Have BGP dampen the prefix.

    正确答案:A,C

  • 第16题:

    Which three options are valid ways to filter routes from a BGP peer?()

    • A、filter-list
    • B、inbound ACL
    • C、route-map
    • D、outbound ACL
    • E、prefix-list
    • F、neighbor 10.0.0.1 deny-map my-map command

    正确答案:A,C,E

  • 第17题:

    A problem was reported that the 10.10.10.0/24 prefix was not injected into the local BGP table ona Company router named R1. The following information is available from this router:  R1 Configuration:  router bgp 65001 network 10.0.0.0 neighbor 172.16.1.1 remote-as 65002 no auto-summary  Routing table information:  show ip route | include 10 O 10.10.10.0/24 [110/11] via 192.168.1.1, 2d00h, Ethernet0/0  Why is this prefix not in the local BGP table of the R1?()

    • A、The 172.16.1.1 neighbor is down.
    • B、The prefix 10.10.10.0/24 is not a ’connected’ route
    • C、This route is not a BGP learned route
    • D、The network command is wrong
    • E、None of the other alternatives apply

    正确答案:D

  • 第18题:

    The Origin attribute describes the source of the BGP prefix. Which three are valid Origin codes?() (Choose three.)

    • A、IGP
    • B、BGP
    • C、EGP
    • D、Incomplete
    • E、Anonymous

    正确答案:A,C,D

  • 第19题:

    单选题
    Which BGP community is used to prevent the advertisement of the BGP prefix to other BGP peers?()
    A

    additive

    B

    none

    C

    no-export

    D

    no-advertise

    E

    local-as


    正确答案: B
    解析: 暂无解析

  • 第20题:

    多选题
    The Origin attribute describes the source of the BGP prefix. Which three are valid Origin codes?() (Choose three.)
    A

    IGP

    B

    BGP

    C

    EGP

    D

    Incomplete

    E

    Anonymous


    正确答案: D,A
    解析: 暂无解析

  • 第21题:

    单选题
    A problem was reported that the 10.10.10.0/24 prefix was not injected into the local BGP table on a PassGuide router named PG1.The following information is available from this router:PG1 Configuration:router bgp 65001network 10.0.0.0neighbor 172.16.1.1 remote-as65002no auto-summaryRouting table information:show ip route|include 10O10.10.10.0/24[110/11]via192.168.1.1,2d00h,Ethernet0/0Why is this prefix not in the local BGP table of thePG1()
    A

    The 172.16.1.1 neighbor is down.

    B

    The prefix 10.10.10.0/24is not a’connected’route.

    C

    This route is not a BGP learned route.

    D

    The network command is wrong.

    E

    None of the other alternatives apply


    正确答案: D
    解析: 暂无解析

  • 第22题:

    单选题
    A BGP router is configured as shown below:  interface ethernet 0 ip address 10.10.10.1 255.255.0.0! int serial 0 ip address 172.16.1.1 255.255.255.252! router bgp 65001 neighbor 192.168.1.1 remote-as 65002   Based on the above configuration, which of the following BGP statements would inject the10.10.0.0/16 prefix into the BGP routing table?()
    A

    network 10.0.0.0

    B

    network 10.10.0.0 mask 255.255.0.0

    C

    network 10.10.10.1 mask 255.255.255.255

    D

    network 10.10.10.0 mask 255.255.255.0

    E

    network 10.0.0.0 mask 255.255.0.0


    正确答案: C
    解析: 暂无解析

  • 第23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