Juniper JN0-643 - Enterprise Routing and Switching, Professional (JNCIP-ENT) Exam
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Total 287 questions
Question #1 (Topic: Topic 1)
What are two OSPF LSA types? (Choose two)
A. stub
B. router
C. transit
D. network
Answer: B,D
Question #2 (Topic: Topic 1)
Company A, recently acquired company B. Both network are running multi-area OSPF.
You added a new physical question between the locations. You are able to reach both Area
0 networks from Area 10, but you are having connectivity problems between router A1 and
router B1 Referring to the exhibit, what must you use to facilitate the communication?
[Juniper-JN0-643-14.0/Juniper-JN0-643-3_2.png]
You added a new physical question between the locations. You are able to reach both Area
0 networks from Area 10, but you are having connectivity problems between router A1 and
router B1 Referring to the exhibit, what must you use to facilitate the communication?
[Juniper-JN0-643-14.0/Juniper-JN0-643-3_2.png]
A. A multi area link
B. A multi area adjacency
C. A virtual link
D. A virtual private network
Answer: C
Question #3 (Topic: Topic 1)
Which three statements are correct about source specific multicast (SSM) on the junos
OS? (Choose three)
OS? (Choose three)
A. SSM requires the use of an RP
B. IT HAS AN DEDICATED address block
C. SSM does not require the use of an RP
D. SSM must use the232/8 address range
E. IGMPv2 and IGMPv3 can be used with SSM.
Answer: B,C,E
Question #4 (Topic: Topic 1)
What is the purpose of realms in OSPFv3?
A. They pass IPv6 routes through IPv4
B. They pass IPv6 routes through VPNs
C. They pass IPv4 routes through IPv6
D. They pass VPN through IPv6
Answer: C
Question #5 (Topic: Topic 1)
Referring to the exhibit, R2 is exporting the route for server1 as a Type 2 external route and
R6 is exporting the route for server 1 as a type 1 external route in OSPF. Which path is
taken to reach server-1 from user1?
[Juniper-JN0-643-14.0/Juniper-JN0-643-5_2.png]
R6 is exporting the route for server 1 as a type 1 external route in OSPF. Which path is
taken to reach server-1 from user1?
[Juniper-JN0-643-14.0/Juniper-JN0-643-5_2.png]
A. R1>R3>R6
B. R1>R2
C. R1>R4>R6
D. R1>R2>R4>R6
Answer: D
