Juniper Juniper Certifications JN0-647 Questions & Answers

• Question 31:

  Click the Exhibit button.

  

  You have deployed the access control configuration to the distribution switch. Referring to the exhibit, which statement is true?

  A. All hosts connected to the access switch will have access to the work after one device authenticates.

  B. All hosts connected to the access switch require authentication to access the network.

  C. Only the first host to authenticate will have access to the network; other hosts will be blocked.

  D. All hosts connected to the access switch will have access to the network without authentication.

  Correct Answer: C

• Question 32:

  Click the Exhibit.

  

  A customer requires that the switch responds to an ARP request only if the source and target IP address are on different subnets.

  Referring to the Exhibit, how would you accomplish this task?

  A. Create a static ARP entry for the host.

  B. Enable the no-gratuitous-arp request command under the interface hierarchy.

  C. Remove the proxy ARP setting and clear the entry.

  D. Change the proxy ARP parameter setting to restricted.

  Correct Answer: D

• Question 33:

  A customer needs to pass Layer 2 protocols between sites.

  Which protocol or standard would be required to implement connectivity on EX4300, EX3400, and EX2300 devices?

  A. Q-in-Q

  B. IGMP

  C. VPLS

  D. OSPF

  Correct Answer: A

• Question 34:

  Click the Exhibit button.

  

  

  Referring to the exhibit, how is R1 learning the route from R2?

  A. R2 has interface ge-0/0/2 configured in another area under OSPFv3.

  B. R2 has an export policy with external type 1 configured.

  C. R2 has interface ge-0/0/2 configured as a passive interface under OSPFv3.

  D. R2 has an export policy with external type 2 configured.

  Correct Answer: B

• Question 35:

  Which three databases are used by the Dijkstra algorithm? (Choose three.)

  A. Tree database

  B. Link State Database

  C. Candidate database

  D. MAC database

  E. Configuration database

  Correct Answer: ABC

• Question 36:

  Click the Exhibit button.

  

  You are configuring MSTP to prevent loops in your Layer 2 network. After applying the configuration, you notice that MSTP is not working correctly.

  Referring to the exhibit, what is causing the problem?

  A. Too many VLANs have been defined.

  B. Context identifier must be specified.

  C. MSTI-to-VLAN mappings must be the same.

  D. Incorrect revision number is used.

  Correct Answer: C

• Question 37:

  Click the Exhibit button.

  

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

  B. Implement the CIST on all switches.

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

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

  Correct Answer: D

• Question 38:

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

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

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

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

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

  Correct Answer: CD

• Question 39:

  Click the Exhibit button.

  

  Referring to the exhibit, which statement is true?

  A. R1 is an ASBR.

  B. R1 has the B bit set.

  C. R1 is a backbone router.

  D. R1 is an ABR.

  Correct Answer: A

• Question 40:

  Which two statements are true about PIM source-specific multicast (SSM)? (Choose two.)

  A. The receiver DR builds a source-base tree to the RP.

  B. S, G is always used.

  C. A different group address must be used by each source.

  D. IGMPv3 is required.

  Correct Answer: BD