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There is MPLS VPN traffic traversing through a TE intermediate router. What is the MPLS packet labelstack sequence （from outer to inner） for the VPN traffic on this router？（）
- A、TE label， IGP label， VPN label
- B、IGP label， TE label， VPN label
- C、TE label， VPN label， IGP label
- D、VPN label， IGP label， TE label
- E、IGP label， VPN label， TE label
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更多 “There is MPLS VPN traffic traversing through a TE intermediate router. What is the MPLS packet labelstack sequence （from outer to inner） for the VPN traffic on this router？（）A、TE label， IGP label， VPN labelB、IGP label， TE label， VPN labelC、TE label， VPN label， IGP labelD、VPN label， IGP label， TE labelE、IGP label， VPN label， TE label” 相关考题
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
MPLS VPN骨干网中的P路由器在转发VPN数据包时（）。A、P路由器有VPN路由，它按照VPN路由器表进行转发B、P路由器没有VPN路由，它根据VPN数据包的目的IP地址查找IGP路由表进行转发C、P路由器没有VPN路由，它根据上层label进行转发D、P路由器没有VPN路由，不同的VPN有不同的label，所以它根据VPN label转发
考题
Which option describes the incorrect usage of the Label Distribution method？（）A、LDP is primarily used in internal networks of MPLS-VPN providers.B、MP-BGP is used for label distribution for VPN customer routes.C、Directed LDP is used for label distribution in L2-VPN Attachement Circuits.D、MP-BGP is used for label distribution in MPLS Traffic Engineered networks.
考题
In the context of MPLS，what is the correct action to be performed when an aggregate label is received ？（）A、It adds the VPN label into the top label in the MPLS label stackB、It replaces the top label in the MPLS label stack with a VPN label and propagatesC、It replaces the bottom label in the MPLS label stack with a VPN label and propagatesD、It removes the top label in the MPLS label stack and does a Layer 3 lookup on underlying IP packetsE、None of above
考题
Using more than one label on a single packet is required in what context？（）A、MPLS TEB、MPLS VPNC、When CEF switching and Label switching is doneD、In all the above circumstances
考题
What is the action of "pop" in the context of MPLS switching？（）A、It removes the top label in the MPLS label stack.B、It adds a top label in MPLS label stack.C、It replaces the top label in the MPLS label stack with another value.D、It replaces the top label in the MPLS label stack with a set of labels.E、None of above.
考题
Which two steps are required for a Kompella Layer 2 VPN?（）A、Configure a siteid for each ce.B、Configure a VPN label for each VPN.C、Configure a MP-bgp session to each pe.D、Configure an Extended LDP Session to each pe.
考题
MPLS需要LDP/TDP，是因为：（）A、MPLS可以需要LDP/TDP，也可以不需要，是可以选择的B、LDP/TDP是转发机制，用于转发带标记数据包（Labeled packet）C、LDP/TDP用于分配MPLS VPN的标记（label）D、LDP/TDP用于交换分配给IP目的的标记（label）
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
Which four services use the inner labels of an MPLS label stack？ （）A、MPLS VPNB、switching path in MPLS coreC、Cisco MPLS Traffic Engineering and Fast RerouteD、MPLS over ATME、VPN over Traffic Engineering coreF、any transport over MPLS
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
Which two routes do P routers see by default in a BGP MPLS VPN configuration? （）(Choose two.)A、IGP routes advertised by P routersB、IGP routes advertised by PE routersC、VPN routes advertised by PE routersD、VPN routes advertised by CE routers
考题
You are designing a strategy to allow users to gain VPN access to the internal network. What should you do？（）A、 Allow all inbound VPN traffic to pass through the internal firewall and the perimeter firewall.B、 Allow all inbound VPN traffic to pass through the perimeter firewall only.C、 Allow all VPN traffic from the source IP address of 131.107.1.14 to pass through the internal firewall.D、 Allow all VPN traffic from the source IP address of 191.168.1.0/24 to pass through the perimeter firewall.
考题
单选题What is the action of "pop" in the context of MPLS switching？（）A
It removes the top label in the MPLS label stack.B
It adds a top label in MPLS label stack.C
It replaces the top label in the MPLS label stack with another value.D
It replaces the top label in the MPLS label stack with a set of labels.E
None of above.
考题
单选题In the context of MPLS，what is the correct action to be performed when an aggregate label is received ？（）A
It adds the VPN label into the top label in the MPLS label stackB
It replaces the top label in the MPLS label stack with a VPN label and propagatesC
It replaces the bottom label in the MPLS label stack with a VPN label and propagatesD
It removes the top label in the MPLS label stack and does a Layer 3 lookup on underlying IP packetsE
None of above
考题
多选题Which four services use the inner labels of an MPLS label stack？ （）AMPLS VPNBswitching path in MPLS coreCCisco MPLS Traffic Engineering and Fast RerouteDMPLS over ATMEVPN over Traffic Engineering coreFany transport over MPLS
考题
单选题You are designing a strategy to allow users to gain VPN access to the internal network. What should you do？（）A
Allow all inbound VPN traffic to pass through the internal firewall and the perimeter firewall.B
Allow all inbound VPN traffic to pass through the perimeter firewall only.C
Allow all VPN traffic from the source IP address of 131.107.1.14 to pass through the internal firewall.D
Allow all VPN traffic from the source IP address of 191.168.1.0/24 to pass through the perimeter firewall.
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Which option describes the incorrect usage of the Label Distribution method？（）A
LDP is primarily used in internal networks of MPLS-VPN providers.B
MP-BGP is used for label distribution for VPN customer routes.C
Directed LDP is used for label distribution in L2-VPN Attachement Circuits.D
MP-BGP is used for label distribution in MPLS Traffic Engineered networks.
考题
单选题There is MPLS VPN traffic traversing through a TE intermediate router. What is the MPLS packet labelstack sequence （from outer to inner） for the VPN traffic on this router？（）A
TE label， IGP label， VPN labelB
IGP label， TE label， VPN labelC
TE label， VPN label， IGP labelD
VPN label， IGP label， TE labelE
IGP label， VPN label， TE label
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