[Free] 2017(Apr) Ensurepass Examcollection Cisco 400-201 Latest Dumps 11-20

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CCIE Service Provider Written Exam v4.1

QUESTION 11

What loop prevention mechanism can be used for ospf type 3 sla in L3VPN?

 

A.

DNbit

B.

Pending

C.

Pending

D.

Pending

 

Correct Answer: A

 

 

QUESTION 12

Refer to the exhibit. Which three statements describe r RIB-Failure in the show ip bgp command output? (Choose three.)

 

clip_image002

 

A.

It is a redundancy route.

B.

It is a route with a better administrative distance already present in IGP.

C.

The number of routes in VRF exceeds the route limit that is configured under the VRF instance.

D.

It is a rerouting entry

E.

It indicates memory failure

 

Correct Answer: BCE

QUESTION 13

Which is the RP address of the IPv6 multicast address FF76:0:130:1234:5678:9abc::4321?

 

A.

4321:5678:9abc::30

B.

4321:5678:9abc::13

C.

1234:5678:9abc::130

D.

1234:5678:9abc::1

E.

1234:5678:9abc::13

 

Correct Answer: D

Explanation:

http://www.netcraftsmen.com/wp-content/uploads/2014/12/20090429-CMU-Introduction_to_IP_Multicast.pdfpage 53

 

 

QUESTION 14

Refer to the exhibit. The vrf MAINT has been provisioned and used by the Service Provider management network. The engineer discovers that syslog messages are not being received on the syslog server. IP reachability has been validated using ping. Which issue in the configuration must be corrected?

 

clip_image003

 

A.

logging on must include the vrf MAINT keyword.

B.

logging host must include the vrf MAINT keyword.

C.

The logging facility must be configured for syslog processing.

D.

The route targets that are configured do not match the route distinguisher.

 

Correct Answer: B

Explanation:

http://www.cisco.com/c/en/us/td/docs/ios/12_2sr/12_2sra/feature/guide/srvrfslg.html#wp10 59076

 

 

 

QUESTION 15

Which statement about MPLS Traffic Engineering class-based tunnel selection (CBTS) is not true?

 

A.

Local mechanism is at the middle-point router.

B.

EXP selection is between multiple tunnels to the same destination

C.

Bundle members are configured with EXP values to carry.

D.

The tunnel selection is configured on the tunnel master.

E.

The tunnel master bundles the tunnel members

 

Correct Answer: A

 

 

QUESTION 16

Refer to the exhibit. What is the status of the L2 tunnel between PE1. PE2. and the Layer 2 switches?

 

clip_image005

 

A.

The Layer 2 tunnel is up, and SW1 becomes the root bridge for VLAN 10.

B.

The Layer 2 tunnel is down, due to the ACL that is applied on the PE2 interface.

C.

The Layer 2 tunnel is up, but no BPDUs are exchanged unless an extra configuration is applied.

D.

The Layer 2 tunnel is down, due to the MTU mismatch between SW1 and SW2.

 

Correct Answer: A

Explanation:

Protocol 115 (not UDP/115) is used for L2TPV3. So by blocking UDP/115, the tunnel will still be up.

 

QUESTION 17

A network engineer is using the Port Aggregation Protocol to configure EtherChannel between SW1 and SW2 switches. Which two combinations of mode settings are valid? (Choose two.)

 

A.

SW1 configured in auto mode and SW2 configured in on mode

B.

SW1 configured in auto mode and SW2 configured in auto mode

C.

SW1 configured in passive mode and SW2 configured in auto mode

D.

ISW1 configured in on mode and SW2 configured in passive mode

E.

SW1 configured in desirable mode and SW2 configured in desirable mode

F.

SW1 configured in desirable mode and SW2 configured in auto mode

 

Correct Answer: DE

 

 

QUESTION 18

What are the two benefits of graceful restart? (Choose two)

 

A.

Graceful restart allows session information recovery without disruption to the network.

B.

A node can perform a graceful restart to help a neighbor recover its state. The label bindings are kept on state information, which helps the failed node recover faster and does not affect the current forward traffic.

C.

Graceful restart allows a node to recover state from its neighbor when there is no RP or before the device undergoes SSO.

D.

Graceful restart does not allow session information recovery.

E.

During a graceful restart, the router removes any stale prefixes after a timer for stale entries expires

 

Correct Answer: AB

 

 

QUESTION 19

Which option describes the incorrect usage of the Label Distribution method?

 

A.

MP-BGP is used for label distribution for VPN customer routes.

B.

LDP is primarily used in internal networks of MPLS-VPN providers.

C.

MP-BGP is used for label distribution in MPLS Traffic Engineered networks.

D.

Directed LDP is used for label distribution in L2-VPN Attachement Circuits.

 

Correct Answer: C

 

 

QUESTION 20

Which two statements about OSPF IPv6 routing are true? (Choose two)

 

A.

It requires OSPF version 3.

B.

automatically detects neighbors over NHMA interfaces

C.

It supports encryption using

D.

It uses LSAtype9

E.

It uses LSA type 8

 

Correct Answer: AE

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