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JN0-664 Questions and Answers

Question # 6

Exhibit

You have MAC addresses moving in your EVPN environment

Referring to the exhibit, which two statements are correct about the sequence number? (Choose two)

A.

It identifies MAC addresses that should be discarded.

B.

It resolves conflicting MAC address ownership claims.

C.

It helps the local PE to identify the latest advertisement.

D.

It is advertised using a Type 2 message

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Question # 7

In which two ways does OSPF prevent routing loops in multi-area networks? (Choose two.)

A.

All areas are required to connect as a full mesh.

B.

The LFA algorithm prunes all looped paths within an area.

C.

All areas are required to connect to area 0.

D.

The SPF algorithm prunes looped paths within an area.

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Question # 8

You want to ensure that L1 IS-IS routers have only the most specific routes available from L2 IS-IS routers. Which action accomplishes this task?

A.

Configure the ignore-attached-bit parameter on all L2 routers.

B.

Configure all routers to allow wide metrics.

C.

Configure all routers to be L1.

D.

Configure the ignore-attached-bit parameter on all L1 routers

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Question # 9

Exhibit

Which two statements about the configuration shown in the exhibit are correct? (Choose two.)

A.

This VPN connects customer sites that use different AS numbers.

B.

This VPN connects customer sites that use the same AS number

C.

A Layer 2 VPN is configured.

D.

A Layer 3 VPN is configured.

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Question # 10

Which two statements are correct about VPLS tunnels? (Choose two.)

A.

LDP-signaled VPLS tunnels only support control bit 0.

B.

LDP-signaled VPLS tunnels use auto-discovery to provision sites

C.

BGP-signaled VPLS tunnels can use either RSVP or LDP between the PE routers.

D.

BGP-signaled VPLS tunnels require manual provisioning of sites.

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Question # 11

Exhibit

You are examining an L3VPN route that includes the information shown in the exhibit

Which statement is correct in this scenario?

A.

The information shows a Type 1 route distinguisher.

B.

The information shows a Type 0 route distinguisher

C.

The information shows a Type 2 route distinguisher.

D.

The information shows a route target

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Question # 12

Which two statements are correct about a sham link? (Choose two.)

A.

It creates an OSPF multihop neighborship between two PE routers.

B.

It creates a BGP multihop neighborship between two PE routers.

C.

The PEs exchange Type 1 OSPF LSAs instead of Type 3 OSPF LSAs for the L3VPN routes

D.

The PEs exchange Type 3 OSPF LSAs instead of Type 1 OSPF LSAs for the L3VPN routes.

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Question # 13

Exhibit

user@Rl show configuration interpolated-profile { interpolate {

fill-level [ 50 75 drop—probability [ > }

class-of-service drop-profiles

];

20 60 ];

Which two statements are correct about the class-of-service configuration shown in the exhibit? (Choose two.)

A.

The drop probability jumps immediately from 20% to 60% when the queue level reaches 75% full.

B.

The drop probability gradually increases from 20% to 60% as the queue level increases from 50% full to 75% full

C.

To use this drop profile, you reference it in a scheduler.

D.

To use this drop profile, you apply it directly to an interface.

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Question # 14

When using OSPFv3 for an IPv4 environment, which statement is correct?

A.

OSPFv3 only supports IPv4.

B.

OSPFv3 supports both IPv6 and IPv4, but not in the same routing instance.

C.

OSPFv3 is not backward compatible with IPv4

D.

OSPFv3 supports IPv4 only on interfaces with family inet6 defined

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Question # 15

Exhibit

A network designer would like to create a summary route as shown in the exhibit, but the configuration is not working.

Which three configuration changes will create a summary route? (Choose three.)

A.

set policy-options policy-statement leak-v6 term DC-routes then reject

B.

delete policy-options policy-statement leak-v6 term DC-routes from route-filter 2001: db9 :a: fa00 : :/6l longer

C.

set policy—options policy-statement leak-v€ term DC—routes from route-filter 2001:db9:a:faOO::/61 exact

D.

delete protocols isis export summary-v6

E.

set protocols isis import summary-v6

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Question # 16

Exhibit

R1 and R8 are not receiving each other's routes

Referring to the exhibit, what are three configuration commands that would solve this problem? (Choose three.)

A.

Configure loops and advertise-peer-as on routers in AS 64497 and AS 64450.

B.

Configure loops on routers in AS 65412 and advertise-peer-as on routers in AS 64498.

C.

Configure as-override on advertisement from AS 64500 toward AS 64512.

D.

Configure remove-private on advertisements from AS 64497 toward AS 64498

E.

Configure remove-private on advertisements from AS 64500 toward AS 64499

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Question # 17

Which three mechanisms are used by Junos platforms to evaluate incoming traffic for CoS purposes? (Choose three )

A.

rewrite rules

B.

behavior aggregate classifiers

C.

traffic shapers

D.

fixed classifiers

E.

multifield classifiers

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Question # 18

Exhibit

CE-1 and CE-2 are part of a VPLS called Customer1 No connectivity exists between CE-1 and CE-2. In the process of troubleshooting, you notice PE-1 is not learning any routes for this VPLS from PE-2, and PE-2 is not learning any routes for this VPLS from PE-1.

A.

The route target must match on PE-1 and PE-2.

B.

The route distinguisher must match on PE-1 and PE-2.

C.

The instance type should be changed to I2vpn.

D.

The no-tunnel-services statement should be deleted on both PEs.

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Question # 19

You are configuring a BGP signaled Layer 2 VPN across your MPLS enabled core network. In this scenario, which statement is correct?

A.

You must assign a unique site number to each attached site's configuration.

B.

This type of VPN only supports Ethernet interfaces when connecting to CE devices.

C.

This type of VPN requires the support of the inet-vpn NLRI on all core BGP devices

D.

You must use the same route-distinguiaher value on both PE devices.

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Question # 20

Exhibit

The environment is using BGP All devices are in the same AS with reachability redundancy Referring to the exhibit, which statement is correct?

A.

RR1 is peered to Client2 and RR2

B.

RR2 is in an OpenConfirm State until RR1 becomes unreachable.

C.

Client1 is peered to Client2 and Client3.

D.

Peering is dynamically discovered between all devices.

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Question # 21

Exhibit

You are asked to exchange routes between R1 and R4 as shown in the exhibit. These two routers use the same AS number Which two steps will accomplish this task? (Choose two.)

A.

Configure the BGP group with the advertise-peer-as parameter on R1 and R4.

B.

Configure the BGP group with the as-override parameter on R2 and R3

C.

Configure the BGP group with the advertise-peer-as parameter on R2 and R3.

D.

Configure the BGP group with the as-override parameter on R1 and R4

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