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NEW QUESTION 15
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 16
Which two statements are correct regarding site IDs and circuit IDs in a VPLS routing instance? (Choose two.)

A.    In an LDP VPLS routing instance, vpls-id parameters must be different in each location.
B.    In an LDP VPLS routing instance, the vpls-id parameters must match in all locations.
C.    In a BGP VPLS routing instance, the site-id parameters must be different in each location.
D.    In a BGP VPLS routing instance, the site-id parameters must match in all locations.

Answer: BC

NEW QUESTION 17
You are configuring a BGP-signaled Layer 2 VPN service. Which two statements are true in this scenario? (Choose two.)

A.    RSVP-signaled LSPs are required.
B.    The family 12vpn auto-discovery-only parameter is required for BGP sessions.
C.    The family 12vpn signaling parameter is required for BGP sessions.
D.    RSVP-signaled or LDP-signaled LSPs may be used.

Answer: CD
Explanation:
https://www.juniper.net/documentation/en_US/junos/topics/example/mpls-ex-series-vpn-layer2.html

NEW QUESTION 18
You are troubleshooting a Layer 3 VPN issue. The VPN has been passing traffic successfully for some time, but now it is reported that traffic is no longer flowing. You look into the bgp.l3vpn.0 table and see newly hidden routes. What would be the cause of this problem?

A.    The LSP used to connect the PE routers is down.
B.    The connection from the PE to the customer is down.
C.    The BGP routes received from the customer are no longer reachable.
D.    The family inet-vpn parameter was deleted from the BGP configuration of the PE router.

Answer: D

NEW QUESTION 19
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 20
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.
https://www.juniper.net/documentation/en_US/junos/topics/concept/vpn-routing-tables-vpn-forwarding-tables.html

NEW QUESTION 21
You have deployed class of service on your network. You notice that the single strict-high queue is starving traffic to all other queues. What will help to ensure that all queues receive the desired transmission rates?

A.    Configure the rate-limit parameter on the strict-high queue.
B.    Set the packet-loss priority to high on the other queues.
C.    Change the other forwarding-classes to a lossless queue.
D.    Increase the priority of all queues to high priority

Answer: A
Explanation:
https://www.juniper.net/documentation/en_US/junos/topics/task/configuration/cos-queue-scheduling-priority-qfx-series-cli.html

NEW QUESTION 22
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 23
How is a BGP Layer 2 VPN prefix formed by a PE?

A.    By combining the route distinguisher and vrf-target, in that order.
B.    By combining the route distinguisher, remote site identifier, and site identifier, in that order.
C.    By combining the route distinguisher, site identifier, and remote site identifier, in that order.
D.    By combining the vrf-target and route distinguisher, in that order.

Answer: C

NEW QUESTION 24
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 25
To reduce the size of OSPF Area 100, you configure the area with the no-summaries parameter. After committing this configuration change, you notice that an OSPF router in a remote area is no longer receiving Type 5 LSAs from an ASBR in Area 100. Which statement is true in this scenario?

A.    The ASBR in Area 100 generates Type 5 LSAs, and places them in its own database.
B.    The ASBR in Area 100 generates Type 5 LSAs, and they are translated to Type 7 LSAs.
C.    The ASBR in Area 100 generates Type 5 LSAs, and they are blocked by the ABR.
D.    The ASBR in Area 100 generates Type 5 LSAs, and a virtual link is required for transport to other areas.

Answer: B

NEW QUESTION 26
How does Juniper Networks use selective BGP route damping to help stabilize the network?

A.    The damping decay half-life holds down peer links for a defined measure of time to prevent route table reconvergence.
B.    The damping max-suppress timer is set to the lowest possible value by default.
C.    The figure-of-merit value measures route stability by advertisement and withdrawal.
D.    Aggressive IGP hold timers prevent the routes from entering and exiting the BGP route selection process.

Answer: C

NEW QUESTION 27
Which two protocols are available in the Junos OS for the data plane encapsulation of EVPN traffic? (Choose two.)

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

Answer: AC

NEW QUESTION 28
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


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