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JN0-664 Questions and Answers

Question # 6

Exhibit

You are running a service provider network and must transport a customer's IPv6 traffic across your IPv4-based MPLS network using BGP You have already configured mpis ipv6-tunneling on your PE routers.

Which two statements are correct about the BGP configuration in this scenario? (Choose two.)

A.

You must configure family inet6 labeled-unicast between PE routers.

B.

You must configure family inet6 add-path between PE and CE routers.

C.

You must configure family inet6 unicast between PE and CE routers.

D.

You must configure family inet6 unicast between PE routers.

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Question # 7

Click the Exhibit hutton.

You are configuring an interprovider Option C Layer 3 VPN to connect two customer sites.

Referring to the exhibit, which three statements are correct? (Choose three.)

A.

ASBR routers maintain the internal routes from its own AS and the loopback addresses from the other AS PEs.

B.

PE routers maintain the internal routes from its own AS, the loopback address from the other AS PEs, and the L3VPN routes.

C.

P routers only maintain the internal routes from their own AS.

D.

P routers maintain the internal routes from its own AS and the loopback address from the other AS PEs.

E.

ASBR routers maintain the internal routes from its own AS, the loopback address from the other AS PEs, and the L3VPN routes.

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Question # 8

Exhibit.

Referring to the exhibit, which path would traffic passing through R1 take to get to R4?

A.

R1 -> R3 -> R4

B.

R1 -> R2 -> R3 -> R4

C.

R1 -> R2 -> R4

D.

R1 -> R4

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Question # 9

You must alter class-of-service values in packets on the outbound interface of an edge router.

In this scenario, which CoS component allows you to accomplish this task?

A.

output policer

B.

scheduler

C.

rewrite rules

D.

forwarding classes

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Question # 10

After a recent power outage, your manager asks you to investigate ways to automatically reduce the impact caused by suboptimal routing in your OSPF and OSPFv3 network after devices reboot.

Which three configuration statements accomplish this task? (Choose three.)

A.

set protocols ospf3 realm ipv4-unicast overload timeout 900

B.

set protocols ospf overload

C.

set protocols ospf overload timeout 900

D.

set protocols ospf3 overload

E.

set protocols ospf3 overload timeout 900

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Question # 11

Your network is receiving the 203.0.113.0/24 network using EBGP from AS 64500 and AS 64501. Both of these advertisements have identical local-preference values, AS-path lengths, and BGP origin codes. You want to influence the way your AS sends traffic to the 203.0.113.0/24 network.

In this scenario, which attribute would you consider next when selecting the best path?

A.

router ID

B.

MED value

C.

peer IP address

D.

IGP metric

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Question # 12

You have an L2VPN connecting two CEs across a provider network. The CEs and provider network are configured with the default MTU setting. You use the ping command from one

CE to the other CE with a size of 1500 bytes.

In this scenario, which statement is correct when using the ping command?

A.

You expect the ping results to be fragmented.

B.

You expect a silent discard.

C.

You expect an echo reply.

D.

You expect an ICMP message too long error.

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Question # 13

Your organization manages a Layer 3 VPN for multiple customers To support advanced route than one BGP community on advertised VPN routes to remote PE routers.

Which routing-instance configuration parameter would support this requirement?

A.

vrf-export

B.

vrf-import

C.

vrf-target export

D.

vrf-target import

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Question # 14

Exhibit

Referring to the exhibit, you are receiving the 192.168 0 0/16 route on both R3 and R4 from your EBGP neighbor You must ensure that R1 and R2 receive both BGP routes from the route reflector

In this scenario, which BGP feature should you configure to accomplish this behavior?

A.

add-path

B.

multihop

C.

multipath

D.

route-target

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Question # 15

When building an interprovider VPN, you notice on the PE router that you have hidden routes which are received from your BGP peer with family inet labeled-unica3t configured.

Which parameter must you configure to solve this problem?

A.

Under the family inet labeled-unicast hierarchy, add the explicit null parameter.

B.

Under the protocols ospf hierarchy, add the traffic-engineering parameter.

C.

Under the family inet labeled-unicast hierarchy, add the resolve-vpn parameter.

D.

Under the protocols mpls hierarchy, add the traffic-engineering parameter

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Question # 16

Exhibit

Referring to the exhibit, which three statements are correct about route 10 0 0.0/16 when using the default BGP advertisement rules'? (Choose three.)

A.

R2 will advertise 10.0.0.0/16 to R4 with 172.16.1.1 as the next hop.

B.

R2 will advertise 10.0.0.0/16 to R3 with 192.168.1.1 as the next hop.

C.

R1 will advertise 10.0.0.0/16 to R2 with 192.168.1.1 as the next hop.

D.

R1 will prepend AS 65531 when advertising 10.0.0.0/16 to R2.

E.

R4 will advertise 10.0.0.0/16 to R6 with 172.16.1.1 as the next hop.

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Question # 17

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 # 18

Click the Exhibit button.

You have an EVI implemented between PE-1, PE-2, and PE-3 to allow communication between CE-1 and CE-2. CE-2 receives unicast traffic from CE-1 on both links to PE-2 and

PE-3. When CE-1 sends broadcast traffic, CE-2 receives it on only one of the multihomed links.

Referring to the exhibit, which EVPN route type enables this behavior?

A.

Type 4

B.

Type 3

C.

Type 1

D.

Type 2

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Question # 19

By default, which statement is correct about OSPF summary LSAs?

A.

All Type 2 and Type 7 LSAs will be summanzed into a single Type 5 LSA

B.

The area-range command must be installed on all routers.

C.

Type 3 LSAs are advertised for routes in Type 1 LSAs.

D.

The metric associated with a summary route will be equal to the lowest metric associated with an individual contributing route

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Question # 20

Which two statements are correct about the customer interface in an LDP-signaled pseudowire? (Choose two)

A.

When the encapsulation is vlan-ccc or extended-vlan-ccc, the configured VLAN tag is not included in the control plane LDP advertisement

B.

When the encapsulation is ethernet-ccc, only frames without a VLAN tag are accepted in the data plane

C.

When the encapsulation is vLan-ccc or extended-vlan-ccc, the configured VLAN tag is included in the control plane LDP advertisement

D.

When the encapsulation is ethemet-ccc, tagged and untagged frames are both accepted in the data plane.

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Question # 21

Exhibit

The network shown in the exhibit is based on IS-IS

Which statement is correct in this scenario?

A.

The NSEL byte for Area 0001 is 00.

B.

The area address is two bytes.

C.

The routers are using unnumbered interfaces

D.

The system IDofR1_2 is 192.168.16.1

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Question # 22

Which three statements about IS-IS in a multi-area network are correct? (Choose three.)

A.

Internal L1 PDUs are flooded to the local area's L2 routers.

B.

External L2 PDUs are flooded to all L2 routers in other areas.

C.

Internal L1 PDUs are flooded to all L1 routers in other areas.

D.

Internal L1 PDUs are only flooded to the local area's L1 routers.

E.

External L2 PDUs are only flooded to the local area's L2 routers.

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Question # 23

Exhibit

Based on the configuration contents shown in the exhibit, which statement is true?

A.

Joins for group 224.7.7.7 are rejected if the source address is 192.168.100.10

B.

Joins for any group are accepted if the group count value is less than 25.

C.

Joins for group 224.7.7.7 are always rejected, regardless of the group count.

D.

Joins for group 224.7.7.7 are accepted if the group count is less than 25

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Question # 24

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 # 25

Click the Exhibit button.

PE-1 and PE-2 are configured with LDP-signaled pseudowires to provide connectivity between CE-1 and CE-2. You notice no connectivity exists between CE-1 and CE-2.

Referring to the exhibit, which two statements describe potential causes for this fault? (Choose two.)

A.

The VC IDs are mismatched.

B.

There is no LSP configured from PE-1 to PE-2.

C.

Interface ge-0/0/0 on PE-1 is down.

D.

There is no LSP configured from PE-2 to PE-1.

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Question # 26

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 # 27

Exhibit

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

A.

The PE is attached to a single local site.

B.

The connection has not flapped since it was initiated.

C.

There has been a VLAN ID mismatch.

D.

The PE router has the capability to pop flow labels

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Question # 28

Exhibit

You want Site 1 to access three VLANs that are located in Site 2 and Site 3 The customer-facing interface on the PE-1 router is configured for Ethernet-VLAN encapsulation.

What is the minimum number of L2VPN routing instances to be configured to accomplish this task?

A.

1

B.

3

C.

2

D.

6

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Question # 29

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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