[Free] 2017(Apr) Ensurepass Examcollection Cisco 400-201 Latest Dumps 111-120

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CCIE Service Provider Written Exam v4.1

QUESTION 111

The product team at an ISP that offers VoIP services wants to add two-way video conferencing to their product offering. Which three QoS methods can be applied for real- time traffic on WAN links with speeds that are slower than 768 Kbps? (Choose three.)

 

A.

Apply MLP link fragmentation and interleaving to the interface.

B.

Apply LLQ with both voice traffic and video traffic in the same priority queue.

C.

Apply CBWFQ with VoIP traffic in its own class, which is marked with a PHB value of EF.

D.

Apply CBWFQ with video traffic in its own class, which is marked with a PHB value of AF41.

E.

Apply voice-adaptive fragmentation to ensure that large video packets are fragmented and interleaved.

F.

Apply LLQ with video traffic that is dedicated in the priority queue.

 

Correct Answer: ACD

Explanation:

http://www.cisco.com/c/en/us/td/docs/solutions/Enterprise/WAN_and_MAN/QoS_SRND/QoS-SRND-Book/WANQoS.html

 

 

QUESTION 112

Refer to the exhibit. All PE routers are configured with full-mesh MP-BGP and VPNv4 routing, to provide L3VPN services. A central service implemented to provide management and monitoring products to customers with dedicated VRFs. The objective of this design is to provide between the central services VRF and VRFs A and B. Which implementation achieves this goal?

 

clip_image002

 

A.

Option A

B.

Option B

C.

Option C

D.

None of the above

 

Correct Answer: C

 

 

QUESTION 113

A network engineer is responsible for implementing a solution with Cisco IOS XR Software that insures continuous forwarding during a control plane failure. Which two technologies should the engineer consider? (Choose two.)

 

A.

TE FRR

B.

IP FRR

C.

graceful restart

D.

BFD

E.

NSR

 

Correct Answer: CE

Explanation:

http://www.cisco.com/c/en/us/td/docs/routers/crs/software/crs_r4-3/mpls/configuration/guide/b_mpls_cg43xcrs/b_mpls_cg43crs_chapter_01.html#task_1129

 

 

QUESTION 114

An engineer is implementing an MPLS within the core of the Service Provider network. What two components are required to build the control and data plane for MPLS Label Switched Paths? (Choose two.)

 

A.

FIB

B.

CEF

C.

LDP

D.

LFIB

E.

OSPF

 

Correct Answer: BC

 

 

QUESTION 115

Which are the two advantages if an ISP chooses a platform thatruns Cisco IOS-XR Software instead of Cisco IOS Software? (Choose two.)

 

A.

Cisco IOS XR Software functions as a message-passing operating system.

B.

The system’s scheduler is priority-based.

C.

The context switching is based on Cisco Express Forwarding.

D.

VoIP traffic is hardware-processed for real-time response.

E.

Communication between client and server is realized by a dedicated mechanism.

 

Correct Answer: AB

 

 

 

QUESTION 116

What statement about Transit AS is true?

 

A.

Traffic and prefixes originating from Transit AS are carried across a Stub AS to their Source AS.

B.

None of the above.

C.

Traffic and prefixes originating from Source AS are carried across a Transit AS to reach their destination AS.

D.

Traffic and prefixes originating from Transit AS are carried across a Stub AS to their destination AS.

 

Correct Answer: C

 

 

QUESTION 117

Refer to the exhibit. Which Cisco IOS XE configuration method allocates a label for prefixes with a /32 subnet mask only?

 

clip_image004

 

A.

Option 1

B.

Option 2

C.

Option 3

D.

Option 4

 

Correct Answer: A

 

 

QUESTION 118

Which three protocols use TLVs to carry attributes? (Choose three.)

 

A.

Cisco Discovery Protocol

B.

Label Discovery Protocol

C.

Border Gateway Protocol

D.

OSPF

E.

RIP version 2

 

Correct Answer: ABC

 

 

QUESTION 119

Refer to the exhibit. An engineer observes that the MC-LAG bundle is down on the active aggregation device. Which is the reason for this issue?

 

clip_image006

 

A.

The number of configured minimum links is the same of the maximum links available in the bundle.

B.

The ICCP redundancy group is configured with the same system MAC address

C.

The ICCP redundancy group is configured with the system priority.

D.

The number of minimum configured links is greater than the number oflinks operational in the bundle

 

Correct Answer: D

QUESTION 120

Refer to the exhibit. All routers are running Cisco IOS Software. Which configuration is the minimum needed to correctly enable PIM Anycast RP on RP1?

 

clip_image008

clip_image009

 

A.

Option A

B.

Option B

C.

Option C

D.

Option D

 

Correct Answer: C

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