[Free] 2017(Apr) Ensurepass Examcollection Cisco 400-201 Latest Dumps 221-230

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CCIE Service Provider Written Exam v4.1

QUESTION 221

What three major tasks are performed by a Designated Intermediate System in an ISIS pseudonode environment? (Choose three.)

 

A.

updating the pseudonode LSP

B.

maintaining pseudonode link-state information

C.

creating the pseudonode LSP

D.

flooding LSPs over the LAN

E.

election of the pseudonode

 

Correct A
nswer:
ACD

 

 

QUESTION 222

The diagram was R1 connected to R2 and R2 connected to R3 on ospf area 0. Refer to the exibit, OSPF is already running with default parameters. If R1 already have loopback 0 & Router-ID configured with that loopback address, then what will SPF computation on R2 after adding R1 one more loopback11 on OSPF?

 

clip_image002

 

A.

Beacuse 10.11.11.11/32 prefix information will be an LSA type 3 on R2 router ‘s database , R2 router will run partial SPF computation.

B.

Beacuse 10.11.11.11/32 prefix will a LSA type 1 on R2 router’s database. R2 router will a full SPF computation, even though an OSPF optimization is applied on R2 router.

C.

Adding ispf on command on R2 router, the entire SPT will be computed on R2 router.

D.

Adding ispf on command on R2 router, R2 router will only recompute only the affected part of the tree.

 

Correct Answer: D

 

 

QUESTION 223

Which three choices are BGP Extended communities used in MPLS-VPN deployment? (Choose three).

 

A.

Site of Origin SOO

B.

Route-Distinguisher

C.

Route-Target

D.

Domain Identifier

 

Correct Answer: ACD

Explanation:

BGP Extended Communities for OSPF PE/CE routing:

A Domain Identifier (Domain ID) is defined asBGPExtended Community which is carried with VPNv4 routes between PE routers. This Domain ID is used to identify the OSPF instance from which it was redistributed into BGP.

QUESTION 224

Refer to the exhibit. An MPLS Layer 3 VPN service has been provisioned for a customer. What will be the ToS value at Site-B for the exceeded traffic that it is sent from Site-A with ToS 2?

 

clip_image003

 

A.

0

B.

2

C.

3

D.

4

E.

No exceeded traffic will reach Site-B.

 

Correct Answer: E

 

 

QUESTION 225

An operation engineer from AS 2000 must deploy this inbound routing policy:

 

clip_image005Based on RFC1998, modify the local-preference value for prefixes containing BGP community values 2000:90 and 2000:110

clip_image005[1]Strip any BGP community of BGP prefixes received from customers that are in the range between 2000:1 and 2000:2000. Any other BGP community values must not be removed.

clip_image005[2]Apply 2000:1003 BGP community value, which indicates that the BGP prefix is ‘earned from a customer

 

Which configuration accomplishes this BGP routing policy?

 

clip_image006

clip_image007

 

A.

Option A

B.

Option B

C.

Option C

D.

Option D

 

Correct Answer: C

 

QUESTION 226

Refer to the exhibit. The Service Provider does not have IPv6 support in the core, however it does have MPLS support. Customer requires IPv6 connectivity in all sites including Internet access. Without a requirement to create VRF, which method is preferred to support IPv6 traffic between these sites?

 

clip_image009

 

A.

6VPE

B.

H-VPLS

C.

L2TPv3

D.

VPLS

E.

6CE

F.

6PE

 

Correct Answer: F

Explanation:

http://www.cisco.com/en/US/products/sw/iosswrel/ps1835/products_data_sheet09186a008 052edd3.html

 

 

QUESTION 227

In an OSPF domain, four routers have OSPF neighborship over a broadcast domain. What is the expected state after running the show ip OSPF neighbor commandon the OSPF designated router?

 

A.

one FULL state, two 2WAY states

B.

two FULL states, one 2WAY state

C.

three FULL states

D.

three 2WAY states

 

Correct Answer: C

 

 

QUESTION 228

A SP engineering team must design a solution that support end-to-end LSP according to RFC 3107, which solution achieve this

 

A.

LDPandBGP

B.

BGP and send Label

C.

RSVP and IS-IS or OSPF

D.

RSVP and BGP

E.

mLDP

 

Correct Answer: B

 

 

QUESTION 229

Based on the following output in a router A running LDP, which statement is true?

 

clip_image010

 

A.

None of the above.

B.

The IP address 50.0.0.1/32 is assigned to the non-directly connected LDP neighbor, 50.0.0.4.

C.

The IP address 50.0.0.1/32 is assigned to one of its own interfaces.

D.

The IP address 50.0.0.1/32 is assigned to its directly connected LDP neighbor, 50.0.0.4.

 

Correct Answer: C

 

 

QUESTION 230

A network engineer is responsible for provisioning LDP and IGP over the IP core network to maintain the MPLS functionality as a day-to-day task. The IP engineer is looking for automation opportunities. Which feature allows the LDP protocol to be automatically enabled on interfaces that run IGP on the routers?

 

A.

MPLS LDP autoconfiguration

B.

MPLS LDP discovery

C.

MPLS LDP-IGP synchronization

D.

MPLS LDP session protection

 

Correct Answer: A

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