[Free] 2017(Apr) Ensurepass Examcollection Cisco 400-201 Latest Dumps 51-60

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CCIE Service Provider Written Exam v4.1

QUESTION 51

Refer to Exhibit. A service provider engineer has a requirement to configure an Inter-AS MPLS L3VPN with a maximum of one LSP between PE-1 and PE-2. Which two configurations are required to accomplish this goal? (Choose two)

 

clip_image002

 

A.

next-hop-unchanged on RRs.

B.

redistribute connected on ASBRs.

C.

redistribute bgp on ASBRs.

D.

next-hop-unchanged on ASBRs.

E.

ip route on ASBRs

F.

next-hop-self on ASBRs.

G.

next-hop-self on RRs.

 

Correct Answer: AC

 

 

QUESTION 52

An engineer wants to configure MPLS TE Fast Reroute with link protection on five routers. Which methodology can reduce configuration on the point of the local repair router and successfully complete the task?

 

A.

Configure a backup tunnel on the PLR.

B.

Enable the autotunnel backup feature.

C.

Configure a backup tunnel on the tunnel head end router.

D.

Enable the autotunnel primary feature.

 

Correct Answer: B

Explanation:

http://www.cisco.com/c/en/us/td/docs/routers/crs/software/crs_r4- 2/mpls/configuration/guide/b_mpls_cg42crs/b_mpls_cg42crs_chapter_0100.html#concept_F19BEEEFC831436AAC9291A87F9B34E5

 

 

QUESTION 53

Which are the three header fields that affect how Equal-Cost Multipath hashes traffic flow into interface groups? (Choose three.)

 

A.

source MAC address

B.

source port

C.

source IP address

D.

destination IP address

E.

IP protocol ID

F.

destination MAC address

Correct Answer: BCD

Explanation:

https://supportforums.cisco.com/document/111291/asr9000xr-loadbalancing-architecture-and-characteristics#field

 

 

QUESTION 54

Refer to the exhibit. How will the redistributed routes on R1 from EIGRP into OSPF be installed in the R4 routing table?

 

clip_image003

 

A.

as a default route with an E2 route type

B.

as a default route with an IA route type

C.

as specific routes with an E2 route type

D.

as specific routes with an N2 route type

E.

as a default route with an N2 route type

 

Correct Answer: B

Explanation:

http://www.cisco.com/c/en/us/support/docs/ip/open-shortest-path-first-ospf/6208-nssa.html

http://www.cisco.com/image/gif/paws/6208/nssa.pdf

 

 

QUESTION 55

DRAG DROP

Drag and drop the MPLS operation listed on the left to the correct order of the operation on the right.

 

clip_image005

 

Correct Answer:

clip_image007

 

 

QUESTION 56

Refer to the exhibit. If the SP network is configuring RTBH filtering to protect hosts on the 152.68.19.0/24 network, which router should be configured as the black hole activating router?

 

clip_image009

 

A.

F

B.

C

C.

D

D.

L

E.

A

F.

K

 

Correct Answer: A

 

QUESTION 57

A network architect is tasked to design and deploy multicast in a service provider core. There is a requirement to have two PIM RP ro
uters for PIM-SM distribute mode. What can the network architect do to satisfy this requirement?

 

A.

Set two RPs with same priority.

B.

Set two RPs, one with high priority and the other with low priority.

C.

Set one RP as the main RP and another as a backup RP.

D.

Set the RP-BSR method with one high-priority RP and one low-priority RP.

 

Correct Answer: D

 

 

QUESTION 58

When will the primary processor core dump run in case of a switchover?

 

A.

never takes place

B.

periodically

C.

during switchover

D.

after switchover

E.

before switchover

 

Correct Answer: D

Explanation:

Innetworking devices with redundant processors, the Post-Switchover Core Dump feature uses better software communication techniques between redundant processors to allow the switchover to occur before dumping core information. Not having to wait for dump operations effectively decreases the switchover time between processors. The newly active primary processor runs the core dump operation after switchover.

http://www.cisco.com/en/US/docs/ios/12_0st/l2_0st18/feature/guide/coredump.html

 

 

QUESTION 59

Which two models are used in MPLS TE bandwidth constraints? (Choose two)

 

A.

mdm

B.

rdm

C.

bdm

D.

mam

E.

tern

 

Correct Answer: BD

 

 

QUESTION 60

Forwarding Equivalence Class (FEC) corresponds to which four of these? (Choose four).

 

A.

Layer 2 circuits (ATM, FR, PPP, HDLC, Ethernet)

B.

Groups of addresses/sites-VPN

C.

IPSEC Encryption Algorithm

D.

A bridge/switch instance-VSI

E.

Tunnel interface-traffic engineering

 

Correct Answer: ABDE

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