Download Juniper Networks Certified Professional Enterprise Routing and Switching (JNCIP-ENT).JN0-643.Pass4Sure.2019-03-03.221q.vcex

Vendor: Juniper
Exam Code: JN0-643
Exam Name: Juniper Networks Certified Professional Enterprise Routing and Switching (JNCIP-ENT)
Date: Mar 03, 2019
File Size: 5 MB
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Demo Questions

Question 1
Which connection method do OSPF routers use to communicate with each other?
  1. IP protocol number 89
  2. TCP port 179
  3. UDP port 179
  4. IP protocol number 6
Correct answer: A
Explanation:
http://www.iana.org/assignments/protocol-numbers/protocol-numbers.xhtml
http://www.iana.org/assignments/protocol-numbers/protocol-numbers.xhtml
Question 2
Which statement is true about default BGP route redistribution behavior?
  1. IBGP-learned routes are advertised only to other IBGP peers.
  2. EBGP-learned routes are redistributed into any IGPs.
  3. EBGP-learned routes are advertised only to other EBGP peers.
  4. EBGP-learned routes are advertised to other IBGP and EBGP peers.
Correct answer: D
Question 3
In a PIM-SM network, which type of node helps to build a tree towards an unknown multicast source?
  1. DIS
  2. RP
  3. DR
  4. BSR
Correct answer: B
Question 4
Which statement is true about MVRP?
  1. It allows you to split a broadcast domain into multiple isolated broadcast subdomains.
  2. It dynamically manages VLAN registration in a LAN.
  3. It maps multiple independent spanning-tree instances onto one physical topology.
  4. It is a Layer 2 protocol that facilitates network and neighbor discovery.
Correct answer: B
Explanation:
http://www.juniper.net/documentation/en_US/junos13.3/topics/concept/mvrp-mx-series-understanding.html
http://www.juniper.net/documentation/en_US/junos13.3/topics/concept/mvrp-mx-series-understanding.html
Question 5
Which statement is true about LLDP?
  1. It allows you to split a broadcast domain into multiple isolated broadcast subdomains.
  2. It dynamically manages VLAN registration in a LAN.
  3. It maintains a separate spanning-tree instance for each VLAN.
  4. It is a Layer 2 protocol that facilitates network and neighbor discovery.
Correct answer: D
Question 6
Which CoS feature avoids congestion in a device by limiting traffic on ingress interfaces?
  1. rewrite rule
  2. scheduler
  3. drop profile
  4. policer
Correct answer: A
Question 7
-- Exhibit – 
  
Click the Exhibit button.   
Which statement is true about the IPv6 network shown in the exhibit?
  1. OSPFv2 must be configured to route IPv4 prefixes.
  2. Areas 1 and 2 cannot be a stub or NSSA.
  3. OSPFv3 can use MD5 authentication.
  4. OSPFv3 can route IPv4 prefixes.
Correct answer: D
Question 8
-- Exhibit – 
  
Click the Exhibit button.   
Referring to the exhibit, what is the shortest path from R6 to R5?
  1. R6, R4, R2, R1, R3, R5
  2. R6, R4, R2, R3, R5
  3. R6, R4, R5
  4. R6, R5
Correct answer: D
Question 9
R1 and R2 are ASBRs in the same area, each with an equal cost external path to the same external network prefix. R1 advertises an external route into OSPF with a Type 1 metric. R2 advertises an external route into OSPF with a Type 2 metric.  
Which route would be preferred?
  1. R1's route is preferred because Type 1 metrics take into account the external cost only.
  2. R1's route is preferred because Type 1 metrics take into account the internal and external cost.
  3. R2's route is preferred because Type 2 metrics take into account the internal and external cost.
  4. R2's route is preferred because Type 2 metrics take into account the external cost only.
Correct answer: D
Question 10
-- Exhibit – 
  
Click the Exhibit button.   
Referring to the exhibit, which LSA type will Router R2 inject into Area 1?
  1. Type 3 LSA
  2. Type 4 LSA
  3. Type 5 LSA
  4. Type 7 LSA
Correct answer: A
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