Exit demo JN0-661 Service Provider Routing and Switching PDF format · free preview

Juniper JN0-661 - Questions & Answers

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Question 1
Multiple choice

Click the Exhibit button

Router RR is receiving routes from R1, R2. R3.

and R4 as shown in the exhibit Which routes will RR advertise to R5? (Choose two.)

A.

routes from R4

B.

routes from R1

C.

routes from R2

D.

routesfromR3

Question 2
Single choice

Which routing instance type is used with a Layer 3 VPN?

A.

I2vpn

B.

virtual-switch

C.

vrf

D.

vpls

Question 3
Single choice

Click the Exhibit button

You want to advertise routes 2.0.0.0/8 and 2.6.6.6/32 to BGP peer 192.168.11.0.
Referring to the exhibit, which configuration change would satisfy this requirement?

A.

Delete the as1000 export policy.

B.

Change the as1000 policy to orlonger.

C.

Delete the reject export policy.

D.

Change the reject policy to longer.

Question 4
Single choice

Click the Exhibit button

Referring to the exhibit, you have a network that uses PIM-SM and you need to block certain PIM register messages.

Which two statements are correct in this situation? (Choose two.)

A.

You should apply a policy that blocks PIM register messages from the source on R4.

B.

You should apply a policy that blocks PIM register messages from the source on R3.

C.

You should apply a policy that blocks PIM register messages from the source on R2.

D.

You should apply a policy that blocks PIM register messages from the source on R1.

Question 5
Multiple choice

Click the Exhibit button

Referring to the exhibit, you control AS 24652 You are asked to ensure that traffic destined to the 23 56 83 0/24 network from ISP 4 takes the most optimum path through ISP 3 ISP 1 should be used as a backup for this traffic flow

Which two actions would accomplish this task? (Choose two)

A.

Set a higher local preference for the route advertised by ISP 3,

B.

Advertise a longer AS path from R2 to ISP 4

C.

Set a lower local preference for the route advertised by ISP 3.

D.

Advertise a longer AS path from R1 to ISP4

Question 6
Multiple choice

Packets traverse a Junos device configured for class of service.

Which two statements are true in this scenario? (Choose two.)

A.

Packets are subject to traffic shapers before policers.

B.

Packets are subject to policers before traffic shapers.

C.

Packets are processed by behavior aggregate classifiers before multifield classifiers.

D.

Packets are processed by multifield classifier before behavior aggregate classifiers.

Question 7
Single choice

Which command will match communities 101:111,111:1, and 999:1111?

A.

set policy-options commmity COMMUNITY members "^...:1?"

B.

set policy-options community COMMUNITY members "^1.*:1+"

C.

set policy-options community COMMUNrTY members ["^1.1:1?" 999:1111]

D.

set policy-options community COMMUNITY members "^...:1+"

Question 8
Multiple choice

Click the Exhibit button

You implemented the configuration shown in the exhibit on your route reflector device However, you notice traffic is transiting the route reflector rather than taking the optimum path.

Which two actions would solve the problem? (Choose two.)

A.

Change the policy to match on the external BGP neighbor.

B.

Change the policy to match on the internal BGP neighbor.

C.

Change a direct peering session between both internal neighbors and use the multihop parameter

D.

Change a direct peering session between both internal neighbors and use the no-client-reflect parameter.

Question 9
Multiple choice

Click the Exhibit button.

As a network administrator, you are asked to configure the VPN-B routing instance so that P routers are masked in CE2-to-CE5 trace routes For the VPN-A routing instance. P routers should appear in CE1-to-
CE4 trace routes

Referring to the exhibit, which two actions achieve this task?
(Choose two) Referring to the exhibit, which two actions achieve this task? (Choose two.)

A.

Add the no-vrf-propagate-ttl statement to the VPN-B routing instance on PE1.

B.

Add the no-vrf-propagate-ttl statement on egress router PE2.

C.

Add the no-vrf-propagate-ttl statement on transit router P.

D.

Add the no-vrf-propagate-ttl statement to the VPN-B routing instance on PE2.

Question 10
Single choice

Click the Exhibit button

RP1 and RP2 are acting as PIM-SM rendezvous points (Rps) in their autonomous system.
Referring to the diagram, which purpose does the MSDP session between RP1 and RP2 serve?

A.

MSDP allows RPs in different PIM domains to advertise any active multicast receivers to each other

B.

MSDP allows RPs in different PIM domains to advertise any active multicast sources to each other.

C.

MSDP routes are used by an RP for reverse path forwarding lookups when multicast sources exist in different autonomous systems.

D.

MSDP allows RPs in different PIM domains to form PIM neighbor relationship with each other.

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