Most Recent Service Provider Routing And Switching - Professional (JNCIP-SP) JN0-662 Practice Exam

NEW QUESTION 1
According to Juniper Networks, what are three methods of scaling Layer 2 VPNs? (Choose three.)

• A. inbound route filters
• B. route reflection
• C. outbound route filters
• D. filter-based forwarding
• E. BGP route refresh

Answer: ABC

NEW QUESTION 2
After committing the following configuration change on your MPLS VPN PE router, all MPLS VPN destinations become unreachable.

Which additional configuration solves the issue?

• A. A
• B. B
• C. C
• D. D

Answer: C

NEW QUESTION 3
With which two elements is a VRF table populated? (Choose two.)

• A. Routes received from remotely connected CE sites.
• B. Routes received from directly connected CE sites.
• C. Routes received from P routers with acceptable MP-BGP attributes.
• D. Routes received from PE routers with acceptable MP-BGP attributes.

Answer: BD

Explanation:
Each VRF table is populated from routes received from directly connected CE sites associated with that VRF routing instance and from routes received from other PE routers that passed BGP community filtering and are in the same VPN.

NEW QUESTION 4
Click the Exhibit button.

What is accomplished by the default-gateway parameter in the configuration shown in the exhibit?

• A. The device creates a default route and distributes the IP address to all peers.
• B. The device sends the MAC and IP addresses of the IRB interface to its peers.
• C. The device sends the IP address of the IRB interface without the MAC address.
• D. The device creates a default route and distributes its MAC and IP address to all peers.

Answer: B

NEW QUESTION 5
You are currently running BGP-based VPLS and Layer 3 VPNs. You are asked to consolidate the services and deploy EVPN to replace the VPLS and Layer 3 VPN deployments.
Which two EVPN route types will achieve this goal? (Choose two.)

• A. Type 5
• B. Type 4
• C. Type 2
• D. Type 7

Answer: AC

NEW QUESTION 6
The network team will be performing maintenance on R3. The maintenance window requires a reboot of router R3. You want to gracefully move traffic away from R3 until after the reboot. In this scenario, how would you solve this problem?

• A. Configure the set protocols isis interface all level 1 hold-time 300 parameter, then reboot the router.
• B. Configure the set protocols isis overload parameter, then commit the configuration.
• C. Configure the set protocols isis spf-options delay 300 parameter, then reboot the router.
• D. Configure the set protocols isis interface all level 1 hello-interval 300 parameter, then reboot the router.

Answer: B

NEW QUESTION 7
Your company has multiple upstream BGP connections to the Internet through ISP-A, ISP-B, and ISP-C. You want to ensure that all traffic coming into your network uses ISP-A.
How would you accomplish this task?

• A. Change the route preference to be higher on routes being advertised to ISP-B and ISP-C.
• B. Prepend your AS number on routes being advertised to ISP-A.
• C. Change the local preference to be higher on routes being advertised to ISP-A.
• D. Prepend your AS number on routes being advertised to ISP-B and ISP-C.

Answer: D

NEW QUESTION 8
Click the Exhibit button.

Referring to the exhibit, what must be added to the existing configuration to ensure that per-prefix load balancing occurs?

• A. multihop
• B. keep all
• C. multipath
• D. family inet unicast

Answer: C

NEW QUESTION 9
Click the Exhibit button.

Which two statements are true regarding the output shown in the exhibit? (Choose two.)

• A. Both ESIs are generated from the router ID.
• B. Both ESIs use the same VNI.
• C. The ESI 05:00:00:fe:4d:00:00:56:0e:00 is an auto-generated ES
• D. The ESI 00:24:24:24:24:24:24:24:24:24 is an auto-generated ESI.

Answer: BC

NEW QUESTION 10
Click the exhibit button.

What would be the expected outcome from the configuration shown in the exhibit?

• A. The VPLS instance would use a control-word instead of a tunnel-services interface, or no-tunnel-services parameter.
• B. The VPLS instance would default to using no-tunnel-services because a tunnel-services interface was not specified.
• C. The VPLS instance would cycle through all virtual tunnel interfaces on the router to find one to use.
• D. The VPLS instance would cycle through all physical interfaces configured on the router to find one to use.

Answer: C

NEW QUESTION 11
Which neighbor state indicates that two BGP neighbors have full connectivity?

• A. Idle
• B. Connect
• C. OpenConfirm
• D. Established

Answer: D

NEW QUESTION 12
In a carrier-of-carrier VPN model, which type of network layer reachability information is used for the MP-BGP signaling between CE and PE routers?

• A. flow
• B. labeled-unicast
• C. unicast
• D. inet-vpn

Answer: D

Explanation:
In a Carrier-of-Carrier VPN environment, specify the inet-vpn address family and unicast traffic type to enable BGP to carry IPv4 network layer reachability information (NLRI) for VPN routes.
References:
http://www.juniper.net/documentation/en_US/junos15.1/topics/example/mpls-vpn-option2-configuration.html

NEW QUESTION 13
Which statement is correct regarding BGP route reflectors?

• A. The route reflectors must have a private AS number.
• B. The route reflectors must have an EBGP peering session between each other.
• C. The route reflectors must have a cluster ID configured.
• D. The route reflectors must have a different AS number than the clients.

Answer: C

NEW QUESTION 14
Which two types of LSAs have a domain scope? (Choose two.)

• A. Type 7
• B. Type 2
• C. Type 10
• D. Type 5

Answer: CD

NEW QUESTION 15
Click the Exhibit button.

R5 must advertise Subnet A into IS-IS so that Subnet A and Subnet B can communicate. Subnet B must be able to forward traffic to Subnet A and towards Area 49.0001. However, R5 should not be able to route traffic from Subnet A to Area 49.0001.
Referring to the exhibit, how would you solve this problem?

• A. Configure Level 2 on all links in Area 49.0002.
• B. Configure the set protocols isis ignore-attached-bit parameter on R5.
• C. Configure the set protocols isis overload parameter on R6.
• D. Configure an export policy on R6 to reject all routes except Subnet B towards R5.

Answer: B

NEW QUESTION 16
Click the Exhibit button.



Routers R1, R2, and R3 have set protocols isis interface all configured and no other set protocols isis
configuration.
Referring to the exhibit, which two statements are true? (Choose two.)

• A. The R2-R3 link will form a Level 1 and Level 2 adjacency.
• B. The R1-to-R2 link will only form a Level 2 adjacency.
• C. The R1-to-R2 link will form a Level 1 and Level 2 adjacency.
• D. The R2-R3 link will only form a Level 1 adjacency.

Answer: AC

NEW QUESTION 17
Which transport mechanism is required for Layer 3 VPNs?

• A. GRE
• B. VXLAN
• C. IPsec
• D. MPLS

Answer: D

NEW QUESTION 18
Click the Exhibit button.

Referring to the exhibit, the Layer 2 VPN between PE-1 and PE-2 is not functioning properly. What must you do to solve the problem?

• A. Set the remote site identifier to 3.
• B. Set the local site identifier to 3.
• C. Set the local site identifier to 1.
• D. Set the remote site identifier to 5.

Answer: B

NEW QUESTION 19
Click the Exhibit button.

The route shown in the exhibit is being advertised to the EBGP peer and displays a next hop of itself. However, you do not have a next-hop self policy configured. What would cause this behavior?

• A. The IBGP peers have a next-hop self policy, which the router is exporting to the EBGP neighbors.
• B. The set protocols bgp path-selection as-path-ignore is not set and must be added so the next-hop attribute will propagate from the peer.
• C. The set protocols bgp accept-remote-next hop is not set and must be added so the next-hop attribute will propagate from the peer.
• D. The next-hop attribute was modified by default when it was advertised to the EBGP peer, without applying a policy.

Answer: D

NEW QUESTION 20
You want to reject routes from any BGP peers that have prepended their AS path. What is the correct as-path regex that would allow you to accomplish this task?

• A. 65001.*
• B. .{2,}
• C. (65001|65001|65001)
• D. .{0,1}

Answer: D

NEW QUESTION 21
Click the Exhibit button.

Referring to the exhibit, you want to ensure that routers in Area 20 can connect to routers in Area 0. Which two steps must be done to allow this behavior? (Choose two.)

• A. A virtual link must be configured under R2 Area 0 and R4 Area 0.
• B. Area 10 must be configured as a stub area.
• C. A virtual link must be configured under R2 Area 0 and R4 Area 20.
• D. Area 10 must be configured as a standard area.

Answer: AD

NEW QUESTION 22
Which message type initiates the BGP session?

• A. update
• B. open
• C. keepalive
• D. notification

Answer: B

NEW QUESTION 23
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