100% Valid Juniper JN0-661 Dumps with VCE and PDF shared by PassLeader (Question 81 – Question 90)

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QUESTION 81
You have established an MSDP peering between multicast domains for your AS and a neighboring AS. You are concerned about unnecessary flooding or looping of source active messages between MSDP peers. Which MSDP mechanism is used to prevent this problem?

A.    The receiving MSDP peer performs a multicast RPF check to ensure that the SA messages are forwarded away from only the originating multicast source.
B.    The receiving MSDP peer sends register-stop messages towards the originating RP that forwarded the SA messages.
C.    The receiving MSDP peer performs amulticast peer-RPF check to ensure that the SA messages are forwarded away from only the originating RP.
D.    The receiving MSDP peer sends prune messages to all upstream neighbors to avoid receiving additional SA messages.

Answer: C

QUESTION 82
You have configured PIM dense mode on your network. One of your PIM-enabled routers is not in the path of the source-based tree between the source and the receivers, and has no need for the multicast traffic. Which behavior would you expect from that router?

A.    The router will send register stop messages to the RP.
B.    The router will send prune messages to its upstream router.
C.    The router will send assert messages to the RP.
D.    The router will send graft messages to its upstream router.

Answer: B

QUESTION 83
What are two requirements of Layer 2 VPN BGP route reflectors? (Choose two.)

A.    Routes are kept in the bgp.l2vpn.0 table.
B.    Route reflectors must support the l2vpn family.
C.    Route reflectors must support the inet-vpn family.
D.    Routes are kept in the inet.2 table.

Answer: AB

QUESTION 84
You have an OSPF area configured as shown in the exhibit.
[edit protocols ospf area 0.0.0.2]
[email protected]# show
area-range 0.0.0.0/1 restrict;
interface ge-0/0/1.0;
Which two statements are true? (Choose two.)

A.    The 30.0.0.0/8 prefix will not be advertised to Area 0 as a Type 3 LSA.
B.    The 200.0.0.0/8 prefix will not be advertised to Area 0 as a Type 3 LSA.
C.    To be effective, the configuration must be used on an ASBR router.
D.    To be effective, the configuration must be used on an ABR router.

Answer: AD

QUESTION 85
You want to ensure that your all-Junos MPLS core network does not decrease the TTL when using ping and traceroute from IP endpoints. Which two configuration parameters satisfy this requirement? (Choose two.)

A.    no-decrement-ttl, configured on all routers in the path
B.    no-decrement-ttl, configured on the ingress router only
C.    no-propagate-ttl, configured on all routers in the path
D.    no-propagate-ttl, configured on the ingress router only

Answer: BC

QUESTION 86
You have configured an MPLS LSP that includes defined hops. For this path, you want the MPLS label to be popped at the egress node. Which configuration statement meets this requirement?

A.    Set protocols rsvp explicit-null, configured on the ingress node
B.    Set protocols mpls explicit-null, configured on the egress node
C.    Set protocols mpls explicit-null, configured on the ingress node
D.    Set protocols rsvp implicit-null, configured on the egress node

Answer: B

QUESTION 87
You want to copy only OSPF prefixes from site.inet.0 to company.inet.0.
passleader-JN0-661-dumps-871
What is the proper configuration syntax you must use to accomplish this task?

passleader-JN0-661-dumps-872
passleader-JN0-661-dumps-873

A.    Option A
B.    Option B
C.    Option C
D.    Option D

Answer: C

QUESTION 88
Referring to the exhibit, you must advertise the 200.100.0.0/16 routes from Site 2 to Site 1, but R3 is not currently advertising any BGP routes to R2. Why is this happening?
passleader-JN0-661-dumps-881

A.    The IBGP routes are not active and EBGP will advertise only active routes.
B.    The IBGP routes are not active because the next hop is not reachable.
C.    The IBGP routes will not be advertised because the AS path shows incomplete.
D.    The IBGP routes will not be advertised because you must use a policy to advertise IBGP routes.

Answer: A

QUESTION 89
Referring to the exhibit, routers R1 through R5 exist in a fully-meshed IBGP group. You want the routes received through EBGP on R1 to be advertised to the EBGP peer connected to R5. You want the routes received through EBGP on R5 to be installed on R1; however, you do not want the those routes to be advertised to the EBGP peer connected to R1. Which two actions will accomplish this task? (Choose two.)
passleader-JN0-661-dumps-891

A.    Implement an export policy on R5 to add the well-known no-export community to the EBGP routes.
B.    Implement an export policy on R5 to add the well-known no-advertise community to the EBGP routes.
C.    Implement a route reflector group and configure the no-client-reflect parameter on the route reflector.
D.    Implement an import policy on R1 to add the well-known no-export community to the EBGP routes.

Answer: AB

QUESTION 90
Refer to the exhibit. In the exhibit, R2 is receiving the 10.100.100.0/24 prefix from R1 and R4. R1 uses the 1.1.1.1 router ID and R4 uses the 4.4.4.4 router ID to advertise the prefix to R2. Why is R2 preferring the version of the route that R1 is advertising?
passleader-JN0-661-dumps-901

A.    The version of the route that R4 is advertising has a higher metric value.
B.    The version of the route that R4 is advertising has an external Type 2 LSA value.
C.    The version of the route that R1 is advertising has a lower associated router ID value.
D.    The version of the route that R1 is advertising has a lower age value.

Answer: B


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