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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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更多 “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” 相关考题
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Which two statements about Junos software packet handling are correct?()(Choose two.)
A. The Junos OS applies service ALGs only for the first packet of a flow.B. The Junos OS uses fast-path processing only for the first packet of a flow.C. The Junos OS performs policy lookup only for the first packet of a flow.D. The Junos OS applies SCREEN options for both first and consecutive packets of a flow.
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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
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
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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.
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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.
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What is true about IP Source Guard with port security？（）A、Binding should be manually configured.B、It is not supported if IEEE 802.1x port-based authentication is enabled.C、The DHCP server must support option 82， or the client is not assigned an IP address.D、It filters based on source IP address only.
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The DAI feature has been implemented in the Company switched LAN. Which three statements are true about the dynamic ARP inspection （DAI） feature？ （）A、 DAI can be performed on ingress ports only.B、 DAI can be performed on both ingress and egress ports.C、 DAI is supported on access ports， trunk ports， EtherChannel ports， and private VLAN ports. D、 DAI should be enabled on the root switch for particular VLANs only in order to secure the ARP caches of hosts in the domain.E、 DAI should be configured on all access switch ports as untrusted and on all switch ports connected to other switches as trusted.F、 DAI is supported on access and trunk ports only.
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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
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
Which two statements about the use of SCREEN options are correct? （）(Choose two.)A、SCREEN options offer protection against various attacksB、SCREEN options are deployed prior to route and policy processing in first path packet processingC、SCREEN options are deployed at the ingress and egress sides of a packet flowD、SCREEN options, you must take special care to protect OSPF
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
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You need to configure port security on switch R1. Which two statements are true about this technology？ （）A、 Port security can be configured for ports supporting VoIP.B、 With port security configured， four MAC addresses are allowed by default.C、 The network administrator must manually enter the MAC address for each device in order for the switch to allow connectivity.D、Withsecurity configured， only one MAC addresses is allowed by default. E、 Port security cannot be configured for ports supporting VoIP.
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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
Which two statements are true about L2TP tunnel switching?（）A、Requires only one tunnel switching license.B、Requires two licenses，one for inbound and one for outbound sessions.C、Enabled automatically when the BSR is configured as an LAC and LNS.D、Aids in L2TP tunnel scaling
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Where is the IS-IS Network Entity Title configured?（）A、per IP interfaceB、per virtual routerC、only on LAN interfacesD、only on WAN interfaces
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Which two statements are true about L2TP tunnel switching?（）A、Requires only one tunnel switching license.B、Requires two licenses, one for inbound and one for outbound sessions.C、Enabled automatically when the BSR is configured as an LAC and LNS.D、Aids in L2TP tunnel scaling.
考题
多选题The DAI feature has been implemented in the Company switched LAN. Which three statements are true about the dynamic ARP inspection （DAI） feature？ （）ADAI can be performed on ingress ports only.BDAI can be performed on both ingress and egress ports.CDAI is supported on access ports， trunk ports， EtherChannel ports， and private VLAN ports.DDAI should be enabled on the root switch for particular VLANs only in order to secure the ARP caches of hosts in the domain.EDAI should be configured on all access switch ports as untrusted and on all switch ports connected to other switches as trusted.FDAI is supported on access and trunk ports only.
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
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
多选题You need to configure port security on switch R1. Which two statements are true about this technology？ （）APort security can be configured for ports supporting VoIP.BWith port security configured， four MAC addresses are allowed by default.CThe network administrator must manually enter the MAC address for each device in order for the switch to allow connectivity.DWithsecurity configured， only one MAC addresses is allowed by default.EPort security cannot be configured for ports supporting VoIP.
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 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
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