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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 router
- B、establish starting at the ingress router going downstream to the egress router
- C、establish when a router learns of a new prefix
- D、establish when the path correctly matches the reverse path forwarding check
参考答案
更多 “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” 相关考题
考题
On which component are RED and WRED managed in the router?()
A. I/O moduleB. switch fabricC. egress line moduleD. ingress line module
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 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
A router receives a packet from a neighbor with an MPLS shim header value of 0.What does the router do with this packet?()
A. It performs a label pop operation and an IP lookup.B. It performs a label swap operation and an IP lookup.C. It sends an error message toward the egress router.D. It sends an error message toward the ingress router.
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
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
Where does Layer2 de－encapsulation occur on the ERX Edge Router?()
A.on the SRPB.on the I/O adapterC.on the egress line moduleD.on the ingress line module
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
The router SIS-R has been configured in a CIS network. As a network administrator, you were required to enable MPLS on that router.Which of the following description is making sense on the basis of the output information?（）A. CEF switching is only needed to forward labeled packets.B. CEF switching is needed on both ingress and egress interfaces on which MPLS is enabled.C. Interface-level CEF switching is needed only on egress interfaces that are sending IP packets on which the egress LSR performs the label imposition process.D. Interface-level CEF switching is needed only on ingress interfaces that are receiving IP packets on which the ingress LSR performs the label imposition process.
考题
On which component are RED and WRED managed in the router?（）A、I/O moduleB、switch fabricC、egress line moduleD、ingress line module
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
Where does Layer2 de-encapsulation occur on the ERX Edge Router？（）A、on the SRPB、on the I/O adapterC、on the egress line moduleD、on the ingress line module
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
A router receives a packet from a neighbor with an MPLS shim header value of 0.What does the router do with this packet?（）A、It performs a label pop operation and an IP lookup.B、It performs a label swap operation and an IP lookup.C、It sends an error message toward the egress router.D、It sends an error message toward the ingress router.
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
MPLS网络中，关于LER描述正确的是（）。A、Ingress LER压入标签B、Ingress LER弹出标签C、Egress LER压入标签D、VRP在缺省情况下，Egress LER弹出标签
考题
What are three facts control plane policing？ （）A、a set of rules that can be established and associated with the ingress and egress ports of the control planeB、improves performance of the control plane by marking control plane packets with DSCPEFC、protects the control plane on a router from DoS attacksD、treats the control plane as a separate entity with its own ingress （input） and egress （output） portsE、provides the control plane with a separate token bucketF、enhances security of the control plane by tunneling packets to and from the control plane
考题
What is the optimize timer on an RSVP-signaled Label-Switched Path （LSP）？（）A、the time it takes to identify the optimal path for the LSPB、the interval at which the ingress router recalculates the LSP’s pathC、the time the ingress router takes to establish the primary pathD、the maximum number of times the ingress router tries to establish the primary path
考题
What is the optimize timer on an RSVP-signaled Label-Switched Path (LSP)?（）A、The time it takes to identify the optimal path for the LSP.B、The interval at which the ingress router recalculates the LSP's path.C、The time the ingress router takes to establish the primary path.D、The maximum number of times the ingress router tries to establish the primary path.
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 the optimize timer on an RSVP-signaled Label-Switched Path (LSP)?（）A
The time it takes to identify the optimal path for the LSP.B
The interval at which the ingress router recalculates the LSP's path.C
The time the ingress router takes to establish the primary path.D
The maximum number of times the ingress router tries to establish the primary path.
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What is the optimize timer on an RSVP-signaled Label-Switched Path （LSP）？（）A
the time it takes to identify the optimal path for the LSPB
the interval at which the ingress router recalculates the LSP’s pathC
the time the ingress router takes to establish the primary pathD
the maximum number of times the ingress router tries to establish the primary path
考题
单选题A router receives a packet from a neighbor with an MPLS shim header value of 0.What does the router do with this packet?（）A
It performs a label pop operation and an IP lookup.B
It performs a label swap operation and an IP lookup.C
It sends an error message toward the egress router.D
It sends an error message toward the ingress router.
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
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