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Two BGP peers connected through a routed firewall are unable to establish a peering relationship. What could be the most likely cause？ （）
- A、 BGP peers must be Layer 2-adjacent
- B、 EBGP multihop is not configured
- C、 The firewall is not configured to allow IP protocol 89
- D、 The firewall is not configured to allow UDP 179.
参考答案
更多 “Two BGP peers connected through a routed firewall are unable to establish a peering relationship. What could be the most likely cause？ （）A、 BGP peers must be Layer 2-adjacentB、 EBGP multihop is not configuredC、 The firewall is not configured to allow IP protocol 89D、 The firewall is not configured to allow UDP 179.” 相关考题
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You receive an EBGP route configured with the no－export community set.To which types of peers can you send this route?() (Choose two.)
A. no BGP peersB. all I-BGP peersC. all E-BGP peers within your global ASD. all E-BGP peers outside your global AS
考题
Which two statements accurately describe an IBGP peering session?() (Choose two.)
A. Peers are statically defined.B. Peers exist within the same AS.C. Peers must be directly connected to each other.D. Peers advertise routes learned from other IBGP neighbors.
考题
When implementing BGP confederations, which configuration command establishes the globally unique AS number used with external peers outside your network?()
A. bgp confederation asB. bgp confederation systemC. bgp confederation remote-asD. bgp confederation identifier
考题
By default, routes learned via IBGP will be announced to which peers?()
A. IBGP peersB. EBGP peersC. active BGP peersD. established BGP peers
考题
Which BGP community is used to prevent the advertisement of the BGP prefix to other BGP peers？（）A、additiveB、noneC、no-exportD、no-advertiseE、local-as
考题
Which two statements accurately describe an IBGP peering session?（） (Choose two.)A、Peers are statically defined.B、Peers exist within the same AS.C、Peers must be directly connected to each other.D、Peers advertise routes learned from other IBGP neighbors.
考题
Which types of prefixes will a router running BGP most likely advertise to an IBGP peer， assuming it is not configured as a route reflector？（）A、prefixes received from any other BGP peer and prefixes locally originated via networkstatements or redistributedB、all prefixes in its routing tableC、prefixes received from EBGP peers and prefixes locally originated via network statements or redistributedD、prefixes received from EBGP peers and prefixes received from route reflectorsE、prefixes received from other IBGP peers， prefixes received from EBGP peers，and prefixes redistributed to BGPF、prefixes received from other IBGP peers and prefixes received from route reflectors
考题
What action will a BGP route reflector take when it receives a prefix marked with the community attribute NO ADVERTISE from a client peer？（）A、It will advertise the prefix to all other client peers and non-client peers.B、It will not advertise the prefix to EBGP peers.C、It will only advertise the prefix to all other IBGP peers.D、It will not advertise the prefix to any peers.
考题
Which description of BGP authentication is true？（）A、MD5 has been used by BGP to encrypt BGP update packets.B、BGP uses a message-digest algorithm to authenticate BGP peersC、A plain-text password authentication is an option of BGP authenticationD、EBGP peers authentication is faster than IBGP peers authenticationE、BGP uses public key and private key to authenticate BGP peers.
考题
When implementing BGP confederations, which configuration command establishes the globally unique AS number used with external peers outside your network?（）A、bgp confederation asB、bgp confederation systemC、bgp confederation remote-asD、bgp confederation identifier
考题
You receive an EBGP route configured with the no-export community set.To which types of peers can you send this route?（） (Choose two.)A、no BGP peersB、all I-BGP peersC、all E-BGP peers within your global ASD、all E-BGP peers outside your global AS
考题
Which choice describes the JUNOS software default policy action for BGP routes？（）A、IBGP peersB、EBGP peersC、Active BGP peersD、Established BGP peers
考题
单选题By default, routes learned via IBGP will be announced to which peers?（）A
IBGP peersB
EBGP peersC
active BGP peersD
established BGP peers
考题
单选题In which state can BGP peers exchange Update messages？（）A
ActiveB
OpenSentC
OpenConfirmD
EstablishedE
Idle
考题
单选题Two BGP peers connected through a routed firewall are unable to establish a peering relationship. What could be the most likely cause？（）A
BGP peers must be Layer 2-adjacent.B
EBGP multihop is not configured.C
The firewall is not configured to allow IP protocol 89.D
The firewall is not configured to allow UDP 179.
考题
单选题Which BGP community is used to prevent the advertisement of the BGP prefix to other BGP peers？（）A
additiveB
noneC
no-exportD
no-advertiseE
local-as
考题
多选题Which two statements about the bgp deterministic-med and bgp always-compare-med commands are true？（）AThe 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 lengthBThe 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 systemCEnabling the bgp deterministic-med command ensures the comparison of the MED variable when choosing routes advertised by different peers in the same autonomous system.DEnabling the bgp always-compare-med command ensures the comparison of the MED variable for paths from neighbors in different autonomous systems.EThe bgp deterministic-med and bgp always-compare-med commands are enabled by defult.
考题
单选题Which description of BGP authentication is true？（）A
MD5 has been used by BGP to encrypt BGP update packets.B
BGP uses a message-digest algorithm to authenticate BGP peersC
A plain-text password authentication is an option of BGP authenticationD
EBGP peers authentication is faster than IBGP peers authenticationE
BGP uses public key and private key to authenticate BGP peers.
考题
单选题By default, to which peers will a BGP router advertise routes learned from IBGP peers?（）A
all BGP peersB
all IBGP peersC
all EBGP peersD
all MBGP peers
考题
单选题Which message is used to transport routing information between BGP peers?（）A
OpenB
ActiveC
UpdateD
Keepalive
考题
多选题Which two statements are true regarding EBGP and Confederation BGP?（） (Choose two.)AEBGP peers advertise MED and change Next Hop.BEBGP peers advertise Local Preference and do NOT change Next Hop.CConfederation BGP peers advertise MED and do NOT change Next Hop.DConfederation BGP peers advertise Local Preference and change Next Hop.
考题
单选题Which types of prefixes will a router running BGP most likely advertise to an IBGP peer， assuming it is not configured as a route reflector？（）A
prefixes received from any other BGP peer and prefixes locally originated via networkstatements or redistributedB
all prefixes in its routing tableC
prefixes received from EBGP peers and prefixes locally originated via network statements or redistributedD
prefixes received from EBGP peers and prefixes received from route reflectorsE
prefixes received from other IBGP peers， prefixes received from EBGP peers，and prefixes redistributed to BGPF
prefixes received from other IBGP peers and prefixes received from route reflectors
考题
多选题Which two statements are true about IBGP neighbor relationships?（）AThe BGP split - horizon rule specifies that routes learned via EBGP are never propagated to other IBGP peers.BThe BGP split horizon rule specifies that routes learned via IBGP are never propagated to other IBGP peers.CA full - mesh IBGP requires that neighbor relationships be established between a ll BGP enabled routers in the autonomous system.DIBGP neighbors must be in different autonomous systems.EAn EGP or static routing is required between IBGP neighbors.
考题
单选题Two BGP peers connected through a routed firewall are unable to establish a peering relationship. What could be the most likely cause？ （）A
BGP peers must be Layer 2-adjacentB
EBGP multihop is not configuredC
The firewall is not configured to allow IP protocol 89D
The firewall is not configured to allow UDP 179.
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