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单选题
Which type of connection must be established before BGP peers can exchange update messages?（）
A
SSL
B
UDP
C
TCP
D
SSH
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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.)
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Once the TCP connection is established, which message type initiates the BGP peering process?()
A. OpenB. ActiveC. UpdateD. Notification
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Which type of connection must be established before BGP peers can exchange update messages?()
A.SSLB.UDPC.TCPD.SSH
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By default, routes learned via IBGP will be announced to which peers?()
A. IBGP peersB. EBGP peersC. active BGP peersD. established BGP peers
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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.
考题
In which state can BGP peers exchange Update messages？（）A、ActiveB、OpenSentC、OpenConfirmD、EstablishedE、Idle
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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.
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Which type of connection must be established before BGP peers can exchange update messages?（）A、SSLB、UDPC、TCPD、SSH
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Which statement describes OTV configuration on the Cisco Nexus 7000 Series Switches？ （）A、 The OTV control-plane protocol uses the IS-IS protocol to establish adjacencies and exchange MAC reachability across the overlay network. You must enable IS-IS with the feature isis command before OTV adjacencies can be established.B、 OTV uses an SSM group range for neighbor discovery and to exchange MAC reachability with other OTV edge peers.C、 The OTV join interface is a routed uplink interface on the edge device used to physically join the overlay network.D、 The OTV internal interface encapsulates the site Layer 2 frames in IP unicast or multicast packets that are then sent to the other sites.
考题
Which attribute must exist in the BGP update packet?（）A、LOCAL_ PREFB、AGGREG ATORC、AS_PathD、Weight
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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.
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Once the TCP connection is established, which message type initiates the BGP peering process?（）A、OpenB、ActiveC、UpdateD、Notification
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You have been asked to develop an application that uses only connection-oriented protocols. Which two protocols can you use?（）A、PPPB、UDPC、TCPD、ICMP
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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
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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
Once the TCP connection is established, which message type initiates the BGP peering process?（）A、OpenB、ActiveC、UpdateD、KeepaliveE、Notification
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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In which state can BGP peers exchange Update messages？（）A
ActiveB
OpenSentC
OpenConfirmD
EstablishedE
Idle
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 attribute must exist in the BGP update packet?（）A
LOCAL_ PREFB
AGGREG ATORC
AS_PathD
Weight
考题
单选题Which type of connection must be established before BGP peers can exchange update messages?（）A
SSLB
UDPC
TCPD
SSH
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An administrator needs to update a router configuration for a router that does not support SSH.Which of the following can be used to securely update the router configuration?（）A
FTPB
SNMPv2C
TFTPD
KTTPS
考题
单选题Once the TCP connection is established, which message type initiates the BGP peering process?（）A
OpenB
ActiveC
UpdateD
KeepaliveE
Notification
考题
单选题Which statement describes OTV configuration on the Cisco Nexus 7000 Series Switches？ （）A
The OTV control-plane protocol uses the IS-IS protocol to establish adjacencies and exchange MAC reachability across the overlay network. You must enable IS-IS with the feature isis command before OTV adjacencies can be established.B
OTV uses an SSM group range for neighbor discovery and to exchange MAC reachability with other OTV edge peers.C
The OTV join interface is a routed uplink interface on the edge device used to physically join the overlay network.D
The OTV internal interface encapsulates the site Layer 2 frames in IP unicast or multicast packets that are then sent to the other sites.
考题
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.
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