OFFER Juniper JN0-660 PDF and JN0-660 VCE Full Version (11-20)

QUESTION 11
Click the Exhibit button. You are building an interprovider VPN with ISP2 to support end-to-end connectivity for Customer A, as shown in the exhibit. For scalability reasons, the ASBR routers cannot exchange VPN routes for Customer A.Which two configurations are needed to support this requirement? (Choose two.)

A.    family inet-vpn on the ASBRs
B.    labeled-unicast on the ASBRs
C.    multihop EBGP between the PEs
D.    one VRF on the ASBRs for Customer A

Answer: BC

QUESTION 12
An OSPF database contains two router LSAs with identical link information indicating that one LSA is not valid. Which action will immediately clear the invalid LSA from the network without waiting for the LSA to time out or resetting the OSPF sessions on the router?

A.    user@router# deactivate protocols ospf
user@router# commit
user@router# activate protocols ospf
user@router# commit
B.    user@router> clear ospf database purge
C.    user@router> clear ospf database
D.    user@router> restart routing

Answer: B

QUESTION 13
What does an operation (op) script do?

A.    Instructs the Junos OS to perform a set of actions whenever the script is run manually or called
by another script
B.    Instructs the Junos OS to perform a set of actions based on its location in the configuration.
C.    Instructs the Junos OS to perform a set of actions during the process of activating configuration
changes.
D.    Instructs the Junos OS to perform a set of actions automatically based on operational status of
the device.

Answer: A

QUESTION 14
Click the Exhibit button. Referring to the exhibit, which statement is true assuming BGP Layer 2 VPN signaling?

A.    PE1 receives two BGP NLRI updates, each containing a remote site ID, a label base, and Layer 2 encapsulation.
B.    PE2 receives one BGP NLRI update containing a remote site ID, a label base, and Layer 2 encapsulation.
C.    PE2 receives two BGP NLRI updates, each containing a remote site ID, label vc, and Layer 2 encapsulation.
D.    PE1 receives one BGP NLRI for VPN A containing only a remote site ID and a label offset value.

Answer: A

QUESTION 15
Your customer would like to forward traffic using DLCI 600 and maintain Layer 2 information across a VPN. Which solution will meet these requirements?

A.    a Layer 3 VPN
B.    a Layer 2 VPN
C.    Virtual Private LAN Service (VPLS)
D.    an IPsec VPN

Answer: B

QUESTION 16
Which two statements are correct regarding VPLS mesh groups? (Choose two.)

A.    Unicast packets destined to another PE router within the same mesh group are dropped by the local PE router.
B.    Unicast packets destined to another PE router in a different mesh group are dropped by the local PE router.
C.    Broadcast, multicast, and unicast packets of unknown origin received from a PE router are flooded to all local CE routers.
D.    Broadcast, multicast, and unicast packets of unknown origin received from a PE router are flooded to all remote PE routers.

Answer: BC

QUESTION 17
What is the first step of the CSPF algorithm’s pruning process?

A.    Prune links with insufficient bandwidth.
B.    Prune links that contain an excluded administrative group.
C.    Prune links that do not contain an included administrative group.
D.    Prune links that do not contain an administrative group.

Answer: A

QUESTION 18
Which statement is true regarding the no-propagate-ttl feature?

A.    Supported only by Junos devices
B.    Configured on every LSR
C.    Configured only on ingress LSR
D.    Supported only on RSVP LSPs

Answer: B

QUESTION 19
You are configuring CoS schedulers on an M Series router. For some queues, you want to limit throughput to the configured transmit rate, and buffer excess traffic.
Which two transmission rate options can you use? (Choose two.)

A.    exact
B.    rate-limit
C.    remainder
D.    shaping-rate

Answer: AD

QUESTION 20
You recently implemented an MSDP mesh group within your PIM-SM domain. Which two new behaviors can you expect? (Choose two.)

A.    SA messages from peer ASs will now be received.
B.    SA messages from group members will now require a peer-RPF check.
C.    SA messages will no longer be forwarded to other members in the group.
D.    SA messages from group members will no longer require a peer-RPF check.

Answer: CD

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