When implementing MPLS VPNs between CE and PE routers, which of these statements is correct? （）A、If using IS-IS as the PE-CE routing protocol, no redistribution is required.B、If using static routes between the CE and PE routers, no redistribution of other

题目

When implementing MPLS VPNs between CE and PE routers, which of these statements is correct? （）

A、If using IS-IS as the PE-CE routing protocol, no redistribution is required.
B、If using static routes between the CE and PE routers, no redistribution of other VPN routes is required.
C、If the PE-CE protocol is not BGP, redistribution of other VPN routes from MP-BGP is required.
D、If RIP is the routing protocol that is used between the PE-CE routers, no redistribution is required, but any other protocol will require redistribution.
E、If using OSPF or EIGRP as the PE-CE routing protocol, redistribution is not required, but any other protocol or static route will require redistribution.

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相似问题和答案

第1题：

Which two of these are characteristics of MPLS VPNs?()

A. Layer 3 MPLS VPNs can forward only IP packets

B. Layer 2 MPLS VPNs can forward any network protocol

C. MPLS label paths are automatically formed based on Layer 2 frames

D. Layer 3 MPLS VPNs can forward any network protocol based on Layer 2 frames

E. In Layer 2 MPLS VPNS, the service provider controls the customer Layer 3 policies

参考答案：A, B

第2题：

Which technology is an example of the need for a designer to clearly define features and designedperformance when designing advanced WAN services with a service provider？（）

A、 FHRP to remote branches.
B、 Layer 3 MPLS VPNs routing.
C、 Control protocols （for example Spanning Tree Protocol） for a Layer 3 MPLS service.
D、 Intrusion prevention， QoS， and stateful firewall support network wide.

正确答案:B

第3题：

In BGP MPLS VPNs, which router maintains VPN－specific routing tables, also known as VRFs?()

A.P

B.CE

C.PE

D.SP

参考答案：C

第4题：

Using more than one label on a single packet is required in what context？（）

A、MPLS TE
B、MPLS VPN
C、When CEF switching and Label switching is done
D、In all the above circumstances

正确答案:B

第5题：

When implementing MPLS VPNs between CE and PE routers, which of these statements is correct? As a Network Engineer, it is necessary for you to know how to implement MPLS VPNs between Customer Edge and Provider Edge routers. Refer to the following descriptions, which one is making sense?（）

A、If using OSPF or EIGRP as the PE-CE routing protocol, redistribution is not required, but any other protocol or static route will require redistribution
B、If using IS-IS as the PE-CE routing protocol, no redistribution is required
C、If using static routes between the CE and PE routers, no redistribution of other VPN routes is required
D、If PE-CE protocol is not BGP, redistribution of other VPN routes from MP-BGP is required

正确答案:D

第6题：

Why is it appropriate to use conditional label advertising when deploying MPLS? （）

A、to make CEF tables smaller
B、to enable label switching on the frame mode interface
C、to restrict MPLS availability to predefined time periods
D、to restrict label switching to a limited number of networks
E、to restrict end users from seeing the routers in the MPLS network

正确答案:D

第7题：

What is a reason for implementing MPLS in a network？（）

A、MPLS eliminates the need of an IGP in the core.
B、MPLS reduces the required number of BGP-enabled devices in the core.
C、Reduces routing table lookup since only the MPLS core routers perform routing table lookups.
D、MPLS eliminates the need for fully meshed connections between BGP enabled devices.

正确答案:B

第8题：

Why is it appropriate to use conditional label advertising when deploying MPLS? ()

A. to make CEF tables smaller

B. to enable label switching on the frame mode interface

C. to restrict MPLS availability to predefined time periods

D. to restrict label switching to a limited number of networks

E. to restrict end users from seeing the routers in the MPLS network

参考答案：D

第9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 stack
B、It replaces the top label in the MPLS label stack with a VPN label and propagates
C、It replaces the bottom label in the MPLS label stack with a VPN label and propagates
D、It removes the top label in the MPLS label stack and does a Layer 3 lookup on underlying IP packets
E、None of above

正确答案:D

第10题：

AutoQoS takes the interface type and bandwidth into consideration when implementing what three QoS features？（）

A、FECN
B、LLQ
C、WRED
D、LFI
E、CRTP
F、CBWFQ

正确答案:B,D,E

When implementing MPLS VPNs betw

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