400-201無料問題集「Cisco CCIE Service Provider Written」

質問 1

which option describes how NFV, OpenStack, and KVM relate to each other ?

（A）OpenStack and KVM can be used to provide NFV

（B）OpenStack and KVM are not related to NFV

（C）NFV and KVM are based on OpenStack

（D）OpenStack and NFV enable KVM

正解：D 解答を投票する

質問 2

Two router that run LotherDP have multiple links that connect them to each. Which configuration ensure that the label bindings are not flushed from the LIB if one of the links fails?

（A）The mpls ip command on an MPLS TE tunnel

（B）The mpls ldp autoconfig command

（C）The mpls ldp discovery targeted-hello accept command

（D）The MPLS LDP sync command under router process configuration mode

正解：D 解答を投票する

質問 3

What is the effect of changing DMT interleaved delay from 3 milliseconds to 15 milliseconds?

（A）Fewer ATM PVCs can be provisioned on DSL line.

（B）Latency remains the same, but error correction effectives may also be reduced.

（C）Latency is increased, but faster error correction occurs.

（D）Latency remains the same, but throughput is decreased.

正解：C 解答を投票する

質問 4

What Cisco IOS feature examines packets received to make sure that the source address and interface are in the routing table and match the interface that the packet was received on?

（A）Receive ACL

（B）Dynamic access-lists

（C）Authentication

（D）Unicast RPF

（E）MPLS Traffic Engineering

正解：D 解答を投票する

質問 5

Which statement is FALSE concerning Concatenation?

（A）It allows ITCM to send multiple upstream packets in one single large burst.

（B）Concatenation activity on an interface can be checked by the show controller counters command

（C）It reduces upstream data throughput.

（D）It can be enabled/disabled from CMTS on per upstream port basis if desired

正解：C 解答を投票する

質問 6

In MVPN GRE, what is the limitation for unicast GRE tunnels?

（A）Support more than 500 GRE tunnels per system for multicast.

（B）IPV4 multicast for GRE unicast tunnels is not supported.

（C）Transport header support is limited to IPv6.

（D）Transport header support is limited to IPv4.

正解：D 解答を投票する

質問 7

A network engineer wants customers to retain routing information and Layer 2 connectivity for non-Ethernet VPNs within their networks. Which two technologies can be used to accomplish this goal? (Choose two.)

（A）IPsec

（B）L3VPN

（C）L2TPv3

（D）VPLS

（E）AToM

正解：C、E 解答を投票する

質問 8

In a segment routing-enabled network, which two protocols perform label distribution? (Choose two)

（A）IS-IS

（B）LDP

（C）OSPF

（D）RSVP-TE

（E）BGP

正解：A、C 解答を投票する

質問 9

A service provider is using multicast flows to provide streaming video content to its customers. Video streams are sometimes interrupted, and network instability is determined to be the cause. Which action should the service provider take to decrease the burden on the router resources in an unstable unicast routing environment?

（A）increase the PIM hello hold timers

（B）filter unnecessary SA messages

（C）tune the RPF backoff

（D）reduce the volume of query messages

正解：C 解答を投票する

質問 10

Assume that the PEs are separated by Multiple P routers.
How many labels should the ingress PE push for 6PE functionality?

（A）3

（B）None

（C）1

（D）2

（E）It depends on the numbers of hops between the ingress and egress PE.

正解：D 解答を投票する

解説: (JPNTest メンバーにのみ表示されます)

質問 11

Which protocol supports exporting of fields extracted from BAR?

（A）RSPAN

（B）IPFIX

（C）NetFlow

（D）Sysolg

（E）SNMP

正解：C 解答を投票する

質問 12

With VPLS, which protocol is used for label exchange and PW signalling?

（A）MP-BGP

（B）Directed LDP

（C）LDP

（D）IGP

（E）MTP

（F）BGP

正解：B 解答を投票する

解説: (JPNTest メンバーにのみ表示されます)

質問 13

Two islands of IPv6 networks that are running ISIS (IPv6 IGP) must be connected using a tunnel over an IPv4 network. Which tunneling method can be used to achieve this goal?

（A）ISATAP tunnels

（B）manual tunnels (RFC 2893)

（C）GRE tunnels

（D）automatic 6 to 4 tunnels

正解：C 解答を投票する

解説: (JPNTest メンバーにのみ表示されます)

質問 14

Which two statements about a backup tunnel to avoid the SRLGs of its protected interface are true? (Choose two.)

（A）Manually created backup tunnel do automatically avoid SRLG of protected interfaces.

（B）Backup tunnel can be created between IGP areas as long as SRLG is configured along the path.

（C）If it is not possible to avoid SRLG of the protected interface, backup tunnel will not be created.

（D）Tunnel is not created unless it avoids SRLGs on the protected interface.

（E）If it is not possible to avoid SRLG of the protected interface, backup tunnel will be created anyways.

正解：D、E 解答を投票する

質問 15

Refer to the exhibit A service provider is using the configuration to determine traffic paths based on MPLS EXP marking. Which technology is being implemented?

（A）IP FBR

（B）CBTS

（C）DS-TE

（D）PBTS

正解：B 解答を投票する

質問 16

An enterprise customer has recently purchased a WAN link from a service provider. BGP is running over this WAN link. An engineer notices that the CE router uses an large amount of system resources to process routing updates by filtering out unwanted routing updates received from the PE, which configuration can be applied to reduce the amount of processing required on the CE router that is not accepting full routes from PE?

（A）Enable the BGP prefix-based ORF capability CE and PE to filter out unwanted routing updates at the source

（B）On CE place an inbound ACL on the interface-facing PE to filter all unwanted BGP prefixes

（C）Enable BGP flowspec between CE and PE to negotiate which BGP prefixes to advertise

（D）On CE, apply an outbound route-map on BGP PE-neighbor to filter all the undesired BGP updates learned from the PE

正解：A 解答を投票する

質問 17

A network engineer is trying to optimize convergence.
What action should be taken to overcome EBGP frequent session loss due to interface flapping between two different AS routers?

（A）Disable bgp fast-external-fallover.

（B）Enable neighbor fall-over.

（C）Use disable-connected-check.

（D）Enable bgp fast-external fallover.

（E）Tune the BGP session time-out.

正解：A 解答を投票する

400-201 無料問題集「Cisco CCIE Service Provider Written」

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