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Juniper JN0-694 Exam -

Free JN0-694 Sample Questions:

Q: 1
You add a multicast source to a network. The source's DR sends register messages to the RP However, multicast clients are not able to receive traffic from the source. What are two causes of this problem? (Choose two.)
A. A reject policy is configured on the designated router.
B. The RP did not receive a PIM join message for the group specified.
C. A reject policy is configured on the RP.
D. The designated router must send a null register message to the RP.
Answer: B,C

Q: 2
You are monitoring a network that is configured with PIM sparse mode. An end user's PC (PC1) joins a multicast stream. The stream never switches from the rendezvous-point tree (RPT) to the shortest-path tree (SPT).
Which two statements explain this behavior? (Choose two.)
A. An interface on the SPT is not configured for PIM.
B. The designated router for PCI's LAN does not have a route to the multicast source.
C. This is the normal operation of PIM sparse mode.
D. This is a source-specific multicast (SSM) stream.
Answer: A,B

Q: 3
Click the Exhibit button.
-- Exhibit --
user@R1> show class-of-service interface ge-0/0/0
Physical interface: ge-0/0/0, Index: 134 Queues supporteD. 8, Queues in use: 4 Scheduler map: ,
Index: 2
Congestion-notification: Disabled
Logical interface: ge-0/0/0.0, Index: 69 Object Name Type Index
Classifier ipprec-compatibility ip 13
-- Exhibit --
You are sending traffic to the ge-0/0/0 interface on R1 with the expedited forwarding (101) IP precedence bits. However, the counters on the router show that it is not processing any traffic in the expedited forwarding queue.
Referring to the exhibit, what is causing the problem?
A. The classifier does not contain a mapping for this precedence value.
B. The classifier is assigning the traffic a high loss priority.
C. The classifier is assigning the traffic to the best-effort forwarding class.
D. The classifier is dropping the traffic.
Answer: C

Q: 4
Your Layer 2 network uses VLAN IDs 100 through 400 and you are required to load-balance these VLANs between two different root bridges. You are currently using the default RSTP settings and notice that all VLANs are using the same root bridge.
How do you ensure the VLANs are load-balanced between two root bridges?
A. Configure MSTP with two MSTI regions and split the VLAN range between them.
B. Configure VSTP with two VLAN groups and split the VLAN range between them.
C. Configure two RSTP instances and split the VLAN range between them.
D. Configure STP and RSTP and split the VLAN range between them.
Answer: A

Q: 5
An end user on interface ge-0/0/1.0 is trying to receive a multicast stream for sourced from but is not receiving it. You use the show igmp group command and do not see this group in the list. You enable traceoptions for IGMP and find the following IGMPv3 report from the end user's host:
Jun 10 13:11:03.577641 RCV IGMP V3 Report len 16 from intf ge-0/0/1.0
Jun 10 13:11:03.577984 Records 1
Jun 10 13:11:03.578027 Group, type IS_EX, aux_len 0, sources 0
Which configuration change is required to allow the group to be added in the router?
A. set routing-options multicast ssm-groups
B. set routing-options multicast asm-override-ssm
C. set protocols igmp interface ge-0/0/1.0 promiscuous-mode
D. set protocols igmp interface ge-0/0/1.0 group-limit 2
Answer: B

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