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单选题
With MPLS Fast Reroute, what is the "point of local repair"?（）
A
egress router
B
ingress router
C
start of the bypass tunnel
D
all routers in the bypass tunnel
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How is an RSVP resv message sent back to the ingress router?()
A. reverse path of the RROB. least cost to the ingress routerC. shortest path to the egress routerD. reverse path of the path vector TLV
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What is the term "ordered control" mean regarding how MPLS LSPs are established?()
A. establish starting at the egress router going back to the ingress routerB. establish starting at the ingress router going downstream to the egress routerC. establish when a router learns of a new prefixD. establish when the path correctly matches the reverse path forwarding check
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With MPLS Fast Reroute, what is the "point of local repair"?()
A. egress routerB. ingress routerC. start of the bypass tunnelD. all routers in the bypass tunnel
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What is true about a Bypass Tunnel in MPLS Fast Reroute?()
A. Only configured on the egress routerB. Only configured on the ingress routerC. Is pre-signalled to reduce packet lossD. Must intersect the primary LSP at two locations
考题
Which CLI command is used to enable MPLS Fast Reroute on a ingress router?()
A. mpls fast rerouteB. mpls fast-rerouteC. enable mpls fast-rerouteD. tunnel mpls fast-reroute
考题
The policy action of color is used for congestion control under which circumstance?()
A.congestion in an upstream routerB.congestion in a downstream routerC.contention for queue space on an egress interfaceD.contention for queue space on an ingress interface
考题
Which three statements about the Cisco MPLS TE Fast Reroute （FRR） process are true？（）A、TE tunnels that are configured with the FRR option cannot be used as backup tunnels.B、TE tunnels that are configured with the FRR option can be used as backup tunnels.C、The backup tunnel that is used to protect a physical interface must have a valid IP address configured.D、Interfaces must use MPLS global label allocation.E、The source IP address of use backup tunnel and the merge point （MP） should not be reachable.
考题
Which statement about the Cisco MPLS TE Fast Reroute （FRR） node protection operation is not correct？（）A、It requires a next-next hop backup tunnel.B、Point of local repair （PLR） swaps the next hop label and pushes the backup label.C、The backup tunnel terminates on the merge point （MP） where traffic rejoins the primary tunnel.D、The backup tunnel can have associated bandwidth capacity.E、Restoration time is expected under 50 ms.
考题
On Cisco Nexus 5000 Series Switches， where are the virtual output queues implemented， and what is the main purpose of virtual output queues？（）A、 on all ingress interfaces； to ensure maximum throughput on a per-egress， per-CoS basisB、 on all ingress interfaces； to provide independent congestion management and 16 queuesC、 on all egress interfaces； so that a congested egress port does not affect traffic directed to other egress portsD、 on all egress interfaces； to prevent head-of-line blocking by utilizing multiple virtual output queuesE、 on all egress interfaces； to be able to use EEE 802.1p CoS
考题
Where are MPLS point-to-multipoint traffic engineering packets replicated？（）A、head-end routerB、branch-point routerC、midpoint routerD、leaf-point routerE、tail-end router
考题
Which router or router combination is used to calculate the MPLS traffic engineering tunnel path？（）A、head-end router and tail-end routerB、middle-point routerC、head-end routerD、tart-end routerE、tail-end router
考题
Which CLI command is used to enable MPLS Fast Reroute on a ingress router?（）A、mpls fast rerouteB、mpls fast-rerouteC、enable mpls fast-rerouteD、tunnel mpls fast-reroute
考题
What is true about a Bypass Tunnel in MPLS Fast Reroute?（）A、Only configured on the egress routerB、Only configured on the ingress routerC、Is pre-signalled to reduce packet lossD、Must intersect the primary LSP at two locations
考题
With MPLS Fast Reroute, what is the "point of local repair"?（）A、egress routerB、ingress routerC、start of the bypass tunnelD、all routers in the bypass tunnel
考题
Which statement about MPLS TE Fast Reroute （FRR） link protection operation is not true？（）A、It requires a next-hop backup tunnel.B、The backup tunnel terminates on the same tail-end router as the primary tunnel.C、The point of local repair （PLR） swaps the label and pushes the backup label.D、The restoration time is expected to be under 50 ms.E、The backup tunnel can have associated bandwidth capacity
考题
How is an RSVP resv message sent back to the ingress router?（）A、reverse path of the RROB、least cost to the ingress routerC、shortest path to the egress routerD、reverse path of the path vector TLV
考题
What is the IPv6 address FF02::2 used for?（）A、all routers in a local segmentB、all routers in an autonomous systemC、all hosts in a local segmentD、all hosts in a particular multicast group
考题
What two statistics appear in show frame-relay map output?（）A、The number of FECN packets that are received by the routerB、The number of BECN packets that are received by the routerC、The ip address of the local routerD、The value of the local DLCIE、The status of the PVC that is configured on the router
考题
What is the term "ordered control" mean regarding how MPLS LSPs are established?（）A、establish starting at the egress router going back to the ingress routerB、establish starting at the ingress router going downstream to the egress routerC、establish when a router learns of a new prefixD、establish when the path correctly matches the reverse path forwarding check
考题
The policy action of color is used for congestion control under which circumstance?（）A、congestion in an upstream routerB、congestion in a downstream routerC、contention for queue space on an egress interfaceD、contention for queue space on an ingress interface
考题
单选题What is the term "ordered control" mean regarding how MPLS LSPs are established?（）A
establish starting at the egress router going back to the ingress routerB
establish starting at the ingress router going downstream to the egress routerC
establish when a router learns of a new prefixD
establish when the path correctly matches the reverse path forwarding check
考题
单选题What is true about a Bypass Tunnel in MPLS Fast Reroute?（）A
Only configured on the egress routerB
Only configured on the ingress routerC
Is pre-signalled to reduce packet lossD
Must intersect the primary LSP at two locations
考题
单选题Which statement about MPLS TE Fast Reroute （FRR） link protection operation is not true？（）A
It requires a next-hop backup tunnel.B
The backup tunnel terminates on the same tail-end router as the primary tunnel.C
The point of local repair （PLR） swaps the label and pushes the backup label.D
The restoration time is expected to be under 50 ms.E
The backup tunnel can have associated bandwidth capacity
考题
单选题How is an RSVP resv message sent back to the ingress router？（）A
reverse path of the RROB
least cost to the ingress routerC
shortest path to the egress routerD
reverse path of the path vector TLV
考题
单选题Which statement about the Cisco MPLS TE Fast Reroute （FRR） node protection operation is not correct？（）A
It requires a next-next hop backup tunnel.B
Point of local repair （PLR） swaps the next hop label and pushes the backup label.C
The backup tunnel terminates on the merge point （MP） where traffic rejoins the primary tunnel.D
The backup tunnel can have associated bandwidth capacity.E
Restoration time is expected under 50 ms.
考题
单选题Which CLI command is used to enable MPLS Fast Reroute on a ingress router?（）A
mpls fast rerouteB
mpls fast-rerouteC
enable mpls fast-rerouteD
tunnel mpls fast-reroute
考题
单选题On Cisco Nexus 5000 Series Switches， where are the virtual output queues implemented， and what is the main purpose of virtual output queues？（）A
on all ingress interfaces； to ensure maximum throughput on a per-egress， per-CoS basisB
on all ingress interfaces； to provide independent congestion management and 16 queuesC
on all egress interfaces； so that a congested egress port does not affect traffic directed to other egress portsD
on all egress interfaces； to prevent head-of-line blocking by utilizing multiple virtual output queuesE
on all egress interfaces； to be able to use EEE 802.1p CoS
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