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CCNP 300-430历年真题与模拟测试，思科企业无线网络 | 思博网络

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问题 #1

An MPLS service provider is offering a standard EoMPLS-based VPLS service to Customer

A. providing Layer 2 connectivity between a central site and approximately 100 remote sites. Customer A wants to use the VPLS network to carry its internal multicast video feeds which are sourced at the central site and consist of 20 groups at Mbps each. Which service provider recommendation offers the most scalability?

A. EoMPLS-based VPLS can carry multicast traffic in a scalable manner

B. Use a mesh of GRE tunnels to carry the streams between sites

C. Enable snooping mechanisms on the provider PE routers.

D. Replace VPLS with a Layer 3 MVPN solution to carry the streams between sites

正确答案：C

问题 #2

Company XYZ has implemented policy-based routing in their network. Which potential problem must be kept in mind about network reconvergence and PBR?

A. It can limit network scalability

B. It can create microloops during reconvergence

C. It increases convergence time.

D. It reduces convergence time.

正确答案：A

问题 #3

Company XYZ wants to deploy OSPF. The design plan requires that two OSPF networks be mutually redistributed at multiple locations and ensure end-to-end connectivity to all of the company's networks Which technology can be used to fulfill the requirements while avoiding the creation of routing loops?

A. Create a virtual link between ASBRs.

B. Change the router ID for both ASBRs.

C. Redistribute routes as external type 2 routes.

D. Use route maps on ASBRs to filter routes with tags so they are not redistributed.

正确答案：B

问题 #4

The network designer needs to use GLOP IP addresses in order to make them unique within their ASN Which multicast address range should be used?

A. 232.0.0.0 to 232 255.255.255

B. H233.0.0 0 to 233.255.255 255

C. 239000 to 239255255.255

D. 224000 to 2240.0 255

正确答案：D

问题 #5

An enterprise network has two core routers that connect to 200 distribution routers and uses full-mesh IBGP peering between these routers as its routing method. The distribution routers are experiencing high CPU utilization due to the BGP process. Which design solution is the most cost effective?

A. Implement route reflectors on the two core routers

B. Increase the memory on the core routers

C. Implement e BGP between the core and distribution routers

D. Increase the memory on the distribution routers

E. Increase bandwidth between the core routers

正确答案：A

问题 #6

Company XYZ is revisiting the security design for their data center because they now have a requirement to control traffic within a subnet and implement deep packet inspection Which technology meets the updated requirements and can be incorporated into the design?

A. routed firewall

B. VLAN ACLs on the switch

C. transparent firewall

D. zone-based firewall on the Layer 3 device

正确答案：CE

问题 #7

Company XYZ branch offices connect to the headquarter sites using two links, MPLS and Internet. The company wants to design the traffic flow so that voice traffic goes through the MPLS link and all other traffic uses either the MPLS link or the Internet link. Which technique can the company use in their design to ensure that the traffic is not process switched?

A. policy-based routing

B. virtual links

C. visualization

D. floating static route

正确答案：B

问题 #8

A green data center is being deployed and a design requirement is to be able to readily scale server virtualization Which IETF standard technology can provide this requirement?

A. data center bridging

B. unified fabric

C. Transparent Interconnection of Lots of Links

D. fabric path

正确答案：C

问题 #9

Company XYZ is running BGP as their routing protocol. An external design consultant recommends that TCP path MTU discovery be enabled. Which effect will this have on the network?

A. It will enhance the performance of TCP-based applications.

B. It will increase the convergence time.

C. It will improve the convergence time.

D. It will create a loop free path.

正确答案：C

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