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Juniper JN0-643 Exam Actual Questions

The questions for JN0-643 were last updated on April 23, 2024.
  • Viewing page 1 out of 45 pages.
  • Viewing questions 1-5 out of 224 questions

Topic 1 - Volume A

Question #1 Topic 1

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

  • A. IP protocol number 89
  • B. TCP port 179
  • C. UDP port 179
  • D. IP protocol number 6
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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?

  • A. IBGP-learned routes are advertised only to other IBGP peers.
  • B. EBGP-learned routes are redistributed into any IGPs.
  • C. EBGP-learned routes are advertised only to other EBGP peers.
  • D. EBGP-learned routes are advertised to other IBGP and EBGP peers.
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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?

  • A. DIS
  • B. RP
  • C. DR
  • D. BSR
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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.
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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.
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Correct Answer: D 🗳️

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