Enterprise Routing and Switching Exam (JN0-647) Free Practice Test

Question 1

You have certainly implemented the configuration shown in the exhibit. After committing these changes, the community devices connected to AS-1 are not able to communicate with the appropriate community devices connected to AS-2.
What must be done to allow these community devices to communicate?

A. switch You must configure the ge-0/0/10 interface on AS1 AS THE VPLAN on both switches

B. You must configure an isolation VLAN ID under the VLAN 200 ON both switches

C. You must configure an isolation VLAN ID Under the pvlan-200 on the AS2

D. You must configure the ge-0/012 interface on both switches as P VLAN trunks

Correct Answer: D

Question 2

When configuring class of service, what would you use to allocate bandwidth to a forwarding class?

A. Speed

B. Buffer depth

C. Bandwidth

D. Transmit rate

Correct Answer: D

Question 3

Which two statements are correct about using LLDP on junos devices? (Choose two.)

A. LLDP operates on layer 2 and layer 3 interfaces

B. LLDP is enabled on all devices by default

C. LLDP can interoperate with the cisco discovery protocol CDP

D. LLDP operates on layer 2 interfaces

Correct Answer: A,B

Question 4

Click the Exhibit.

Referring to the exhibit, which two statements are correct? (Choose two.)

A. The satellite device has 14 network-facing ports available.

B. The satellite device can support up to 48 total ports.

C. The satellite device has two ports that are not online.

D. The satellite device is in a state of transition.

Correct Answer: B,C

Question 5

Click the Exhibit.

You are troubleshooting an OSPF adjacency issue between R1 and R2.
What is the reason for the ExStart state shown in the exhibit?

A. R1 and R2 are using the same IP address.

B. R2 was elected as the designated router.

C. The MTU is not the default on R1 and R2.

D. R1 was elected as the backup designated router.

Correct Answer: A

Question 6

Which two statements about MVRP are correct? (Choose two.)

A. MVRP is enabled by adding trunk ports under the [edit protocols mvrp] hierarchy.

B. MVRP monitors interfaces using VSTP and dynamically creates VLANs as necessary

C. MVRP PDUs are sent to other switches as periodic intervals.

D. MVRP can propagate dynamic VLANs created on one switch to another switch

Correct Answer: A,D

Question 7

Click the Exhibit.

A customer on MSTI-2 was isolated due to a physical link outage on Switch 5's ge-0/0/32 interface.
Referring to the exhibit, which corrective action would solve this problem?

A. Move the root bridge for MSTI-2 to Switch 6.

B. replace the link between Switch 5 and 6 with a 10 Gbps link

C. Implement the CIST on all switches.

D. Add MSTI-2 to all interfaces on Switch 5.

Correct Answer: D

Question 8

Click the Exhibit.

You have just configured on an OSPF adjacency between two routers. After you commit the configuration, you notice that your adjacency is not up.
Referring to the exhibit, what would cause the problem?

A. You must configure lo0 on R2.

B. You must configure bfd on R2.

C. You must configure hello and dead intervals on R1.

D. You must configure on interface-type on R2.

Correct Answer: D

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Juniper Enterprise Routing and Switching (JN0-647) Free Practice Test