Juniper JN0-643 Exam Actual Questions

Topic 1 - Volume A

Question #1 Topic 1

Which connection method do OSPF routers use to communicate with each other?

Reveal Solution Discussion

Correct Answer: A 🗳️
http://www.iana.org/assignments/protocol-numbers/protocol-numbers.xhtml

Question #2 Topic 1

Which statement is true about default BGP route redistribution behavior?

Reveal Solution Discussion

Correct Answer: D 🗳️

Question #3 Topic 1

In a PIM-SM network, which type of node helps to build a tree towards an unknown multicast source?

Reveal Solution Discussion

Correct Answer: B 🗳️

Question #4 Topic 1

Which statement is true about MVRP?

A. It allows you to split a broadcast domain into multiple isolated broadcast subdomains.
B. It dynamically manages VLAN registration in a LAN.
C. It maps multiple independent spanning-tree instances onto one physical topology.
D. It is a Layer 2 protocol that facilitates network and neighbor discovery.

Reveal Solution Discussion

Correct Answer: B 🗳️
http://www.juniper.net/documentation/en_US/junos13.3/topics/concept/mvrp-mx-series-understanding.html

Question #5 Topic 1

Which statement is true about LLDP?

A. It allows you to split a broadcast domain into multiple isolated broadcast subdomains.
B. It dynamically manages VLAN registration in a LAN.
C. It maintains a separate spanning-tree instance for each VLAN.
D. It is a Layer 2 protocol that facilitates network and neighbor discovery.

Reveal Solution Discussion

Correct Answer: D 🗳️