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单选题
In BGP graceful restart, how does a peer router indicate the end of a route exchange?（）
A
an open message with the E bit set
B
an update message with the E bit set
C
an open message with an end-of-RIB marker
D
an update message with an end-of-RIB marker
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更多 “单选题In BGP graceful restart, how does a peer router indicate the end of a route exchange?（）A an open message with the E bit setB an update message with the E bit setC an open message with an end-of-RIB markerD an update message with an end-of-RIB marker” 相关考题
考题
Which action does a BGP speaker take when it detects that the reset state bit is set in an openmessage?()
A. It tears down the BGP session.B. It sends a restart message to the peer.C. It marks all routes from that peer as stale.D. It sends a BGP refresh message to the peer
考题
Which three pre－conditions must be met before an OSPF router can perform graceful restart? ()
A. Router must be an ABR.B. Router must contain one sham link.C. The network topology must be stable.D. Router must be able to forward packets.E. Neighbors must support graceful restart.
考题
A BGP connection is being established.What happens if the local router and the peer router do NOT have the same hold－time value configured?()
A. The BGP session does not establish.B. The hold time is assumed to be infinite.C. The larger of the two hold-time values is used.D. The smaller of the two hold-time values is used.
考题
Which graceful restart parameter is negotiated during BGP session establishment?()
A. Grace-timeB. Restart-timeC. Stale-routes-timeD. Restart-update-time
考题
Refer to the exhibit. Which of the following statements is true? ()
A. BGP NSF awareness is enabledB. SSO for BGP NSF capability is enabledC. BGP graceful restart awareness is enabledD. 10.11.1.187 is configured as an NSF-capable BGP neighbor
考题
What are the two benefits of graceful restart？（）A、Graceful restart allows session information recovery without disruption to the network.B、A node can perform a graceful restart to help a neighbor recover its state. The label bindings are kepton state information， which helps the failed node recover faster and does notaffect the current for wardtraffic.C、Graceful restart allows a node to recover state from its neighbor when there is no RP or before thedevice undergoes SSO.D、Graceful restart does not allow session information recovery.E、During a graceful restart， the router removes any stale prefixes after a timer for stale entries expires
考题
Which three pre-conditions must be met before an OSPF router can perform graceful restart？（）A、Router must be ABRB、Router must contain one sham link.C、The network topology must be stable.D、Router must be able to forward packets.E、Neighbors must support graceful restart.
考题
Which graceful restart parameter is negotiated during BGP session establishment?（）A、Grace-timeB、Restart-timeC、Stale-routes-timeD、Restart-update-time
考题
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.
考题
Router R-1 is configured for BGP routing as shown below： router bgp 65300network 27.0.0.0neighbor 192.23.1.1 remote-as 65300 From the perspective of router R-1， what kind of router is the router with IP address 192.23.1.1？（）A、A peer router running IBGPB、A peer router running EBGPC、A community member running IBGPD、A peer group member running IBGPE、A peer group member running EBGP
考题
In BGP graceful restart, how does a peer router indicate the end of a route exchange?（）A、an open message with the E bit setB、an update message with the E bit setC、an open message with an end-of-RIB markerD、an update message with an end-of-RIB marker
考题
Which pre-conditions must be met before an OSPF router can perform graceful restart？（）A、Router must be ABRB、Router must contain one sham link.C、The network topology must be stable.D、Router must be able to forward packets.E、Neighbors must support graceful restart.
考题
In BGP graceful restart， how does a peer router indicate the end of a route exchange？（）A、An open message with the E bit set.B、An update message with the E bit set.C、An open message with an end-of-RIB marker.D、An update message with an end-of-RIB marker.
考题
Which action does a BGP speaker take when it detects that the reset state bit is set in an openmessage?（）A、It tears down the BGP session.B、It sends a restart message to the peer.C、It marks all routes from that peer as stale.D、It sends a BGP refresh message to the peer
考题
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.
考题
多选题In which two ways does the BGP graceful capability preserve prefix information during a restart？（）AThe peer router immediately removes the BGP routers that it learned from the restarting router from itsBGP routing tables.BThe 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.CThe peer router sends an end-of-RIB message to the restarting router.DThe restarting router removes any stale prefixes after the timer for stale entries expires.EThe restarting router does not remove any stale prefixes after the timer for stale entries expires.
考题
多选题In which two ways does the BGP graceful restart capability preserve prefix information during a restart？（）AThe peer router sends an end-of RIB message to the restarting routerBThe peer router immediately removes the BGP routes that it learned from the restarting router from its BGP routing tableCThe restarting router does not remove any stale prefixes after the timer for stale entries expiresDThe 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 updatesEThe restarting router removes any stale prefixes after the timer for stale entries expires
考题
单选题Which graceful restart parameter is negotiated during BGP session establishment?（）A
Grace-timeB
Restart-timeC
Stale-routes-timeD
Restart-update-time
考题
多选题What are the two benefits of graceful restart？（）AGraceful restart allows session information recovery without disruption to the network.BA node can perform a graceful restart to help a neighbor recover its state. The label bindings are kepton state information， which helps the failed node recover faster and does notaffect the current for wardtraffic.CGraceful restart allows a node to recover state from its neighbor when there is no RP or before thedevice undergoes SSO.DGraceful restart does not allow session information recovery.EDuring a graceful restart， the router removes any stale prefixes after a timer for stale entries expires
考题
单选题In BGP graceful restart， how does a peer router indicate the end of a route exchange？（）A
An open message with the E bit set.B
An update message with the E bit set.C
An open message with an end-of-RIB marker.D
An update message with an end-of-RIB marker.
考题
单选题A BGP connection is being established.What happens if the local router and the peer router do NOT have the same hold-time value configured?（）A
The BGP session does not establish.B
The hold time is assumed to be infinite.C
The larger of the two hold-time values is used.D
The smaller of the two hold-time values is used.
考题
多选题Which pre-conditions must be met before an OSPF router can perform graceful restart？（）ARouter must be ABRBRouter must contain one sham link.CThe network topology must be stable.DRouter must be able to forward packets.ENeighbors must support graceful restart.
考题
单选题In IS-IS， how does the restarting router inform its helpers that a restarts event occurred？（）A
Sending out a graceful restart PDUB
Sending an LSP that contains no TLVs.C
Sending out a restarts TLV with the RR bit set.D
Reflooding its LSP with a maximum sequence number.
考题
单选题Router R-1 is configured for BGP routing as shown below： router bgp 65300network 27.0.0.0neighbor 192.23.1.1 remote-as 65300 From the perspective of router R-1， what kind of router is the router with IP address 192.23.1.1？（）A
A peer router running IBGPB
A peer router running EBGPC
A community member running IBGPD
A peer group member running IBGPE
A peer group member running EBGP
考题
多选题Which three pre-conditions must be met before an OSPF router can perform graceful restart？（）ARouter must be ABRBRouter must contain one sham link.CThe network topology must be stable.DRouter must be able to forward packets.ENeighbors must support graceful restart.
考题
单选题Which action does a BGP speaker take when it detects that the reset state bit is set in an openmessage?（）A
It tears down the BGP session.B
It sends a restart message to the peer.C
It marks all routes from that peer as stale.D
It sends a BGP refresh message to the peer
考题
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.
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