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单选题
What is true about a Bypass Tunnel in MPLS Fast Reroute?（）
A
Only configured on the egress router
B
Only configured on the ingress router
C
Is pre-signalled to reduce packet loss
D
Must intersect the primary LSP at two locations
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– ()– I think our marketing team is qualified and the after－sales service is fast and effective.
A、What does your team do?B、What are the disadvantages?C、What about our strengths?
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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
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
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
为保证MPLS TE Tunnel正确建立,以下关于MPLS TE Tunnel接口的配置说法正确的是()。
A. Tunnel 接口IP地址可以借用Loopback接口的IPB. Tunnel 接口可以配置IP地址也可以不配置IP地址C. 每次更改Tunnel 接口上的MPLS TE参数后，都需要使用mpls te commit命令提交配置D. Tunnel 接口视图下，必须配置隧道终点IP地址
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
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
为保证MPLS TE Tunnel正确建立，以下关于MPLS TE Tunnel接口的配置说法正确的是（）。A、Tunnel 接口IP地址可以借用Loopback接口的IPB、Tunnel 接口可以配置IP地址也可以不配置IP地址C、每次更改Tunnel 接口上的MPLS TE参数后，都需要使用mpls te commit命令提交配置D、Tunnel 接口视图下，必须配置隧道终点IP地址
考题
What is the encapsulation mode for MPLS running on Ethernet？（）A、Packet modeB、Frame modeC、Transparent modeD、Channel modeE、Tunnel mode
考题
Which statement about MPLS traffic engineering policy-based tunnel selection （PBTS） is not true？（）A、The tunnel that is not configured with the policy-class command acts as the defaultB、EXP selection is between multiple tunnels to the same destinationC、There is no requirement for IGP extensionsD、Tunnels are configured using the policy-class command and carry multiple EXP valuesE、It supports VRF traffic， IP-to-MPLS switching， and MPLS-to-MPLS switching
考题
以下关于MPLS Tunnel的1+1保护和1：1保护描述正确是（）A、如果要对MPLS Tunnel进行保护，需要创建MPLS Tunnel保护组B、对于1：1保护需要APS协议C、1+1保护的业务双发选收，1：1保护的业务单发单收D、MPLS Tunnel保护的APS协议通过保护Tunnel传送，相互传递协议状态和倒换状态
考题
Which of the following is true about the MPLS header and its EXP field size？（）A、The MPLS header is 2 bytes，and the EXP field is 3 bits long.B、The MPLS header is 1 byte，and the EXP field is 3 bits long.C、The MPLS header is 4 bytes，and the EXP field is 3 bits long.D、The MPLS header is 3 bytes，and the EXP field is 3 bits long.
考题
Which statement about the Cisco MPLS Traffic Engineering class-based tunnel selection （CBTS） is nottrue？（）A、Local mechanism is at the middle-point router.B、EXP selection is between multiple tunnels to the same destinationC、Bundle members are configured with EXP values to carry.D、The tunnel selection is configured on the tunnel master.E、The tunnel master bundles the tunnel members
考题
Which three statements about MPLS traffic engineering （MPLS TE） are true？ （）A、MPLS TE supports admission controlB、MPLS TE tunnel traffic is a link attribute to compute the TE tunnel pathC、MPLS TE uses BGP extension to advertise link attributesD、MPLS TE provides protection capabilityE、MPLS TE uses RSVP to establish LSP
考题
单选题Which statement about L2VPN Pseudowire Switching is not true？（）A
L2VPN Pseudowire Switching allows the user to extend L2VPN Pseudowires across an inter-AS boundaryB
L2VPN Pseudowire Switching allows the user to extend L2VPN Pseudowires across two separate MPLS networksC
Quality of service is not supported per PseudowireD
L2VPN Pseudowire Switching connects two or more contiguous Pseudowires segments to from an end-to-end multihop PseudowireE
The Cisco MPLS Traffic Engineering tunnel selection is not supported
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
多选题Which two statements are true about L2TP tunnel switching?（）ARequires only one tunnel switching license.BRequires two licenses, one for inbound and one for outbound sessions.CEnabled automatically when the BSR is configured as an LAC and LNS.DAids in L2TP tunnel scaling.
考题
单选题Which statement about the Cisco MPLS Traffic Engineering class-based tunnel selection （CBTS） is nottrue？（）A
Local mechanism is at the middle-point router.B
EXP selection is between multiple tunnels to the same destinationC
Bundle members are configured with EXP values to carry.D
The tunnel selection is configured on the tunnel master.E
The tunnel master bundles the tunnel members
考题
多选题Which three statements about MPLS traffic engineering （MPLS TE） are true？ （）AMPLS TE supports admission controlBMPLS TE tunnel traffic is a link attribute to compute the TE tunnel pathCMPLS TE uses BGP extension to advertise link attributesDMPLS TE provides protection capabilityEMPLS TE uses RSVP to establish LSP
考题
单选题Which statement about MPLS traffic engineering policy-based tunnel selection （PBTS） is not true？（）A
The tunnel that is not configured with the policy-class command acts as the defaultB
EXP selection is between multiple tunnels to the same destinationC
There is no requirement for IGP extensionsD
Tunnels are configured using the policy-class command and carry multiple EXP valuesE
It supports VRF traffic， IP-to-MPLS switching， and MPLS-to-MPLS switching
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
多选题Which two statements are true about L2TP tunnel switching?（）ARequires only one tunnel switching license.BRequires two licenses，one for inbound and one for outbound sessions.CEnabled automatically when the BSR is configured as an LAC and LNS.DAids in L2TP tunnel scaling
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
多选题Which three statements about the Cisco MPLS TE Fast Reroute （FRR） process are true？（）ATE tunnels that are configured with the FRR option cannot be used as backup tunnels.BTE tunnels that are configured with the FRR option can be used as backup tunnels.CThe backup tunnel that is used to protect a physical interface must have a valid IP address configured.DInterfaces must use MPLS global label allocation.EThe source IP address of use backup tunnel and the merge point （MP） should not be reachable.
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