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

题目
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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

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相似问题和答案

第1题：

Which two types of nodes are included in an MPLS explicit route? ()(Choose two.)

A.peer

B.strict

C.loose

D.system


参考答案：B, C

第2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3题：

Which statement is true regarding IPsec VPNs?()

A. There are five phases of IKE negotiation.

B. There are two phases of IKE negotiation.

C. IPsec VPN tunnels are not supported on SRX Series devices.

D. IPsec VPNs require a tunnel PIC in SRX Series devices.


参考答案：D

第4题：

Which two characteristics describe the UDP protocol?（）

  • A、limited error checking
  • B、defined timers
  • C、no recovery mechanisms
  • D、three-way handshake

正确答案:A,C

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：

Which two are characteristics of both Kompella and Martini－based VPNs? ()

A. label stacking

B. auto-provisioning

C. circuit status vector

D. Martini Encapsulation

E. LDP-based control plane


参考答案：A, D

第7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8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9题：

Which three characteristics of the traffic flow are taken into consideration when the QoS-for-VPNs feature （QoS pre-classify） provides packet classification and applies appropriate QoS service on tunnel interfaces？（）

  • A、IP precedence bits
  • B、DSCP bits
  • C、original port numbers
  • D、DE bits
  • E、source IP address
  • F、destination IP address

正确答案:C,E,F

第10题：

Which three functions can CCC be used for？（）

  • A、To interconnect VLANS
  • B、To interconnect ATM VCs
  • C、To interconnect MPLS LSPs
  • D、To interconnect MPLS VPNs

正确答案:A,B,C

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