Download Enterprise Routing and Switching, Professional (JNCIP-ENT).JN0-648.CertDumps.2020-06-19.65q.vcex

Vendor: Juniper
Exam Code: JN0-648
Exam Name: Enterprise Routing and Switching, Professional (JNCIP-ENT)
Date: Jun 19, 2020
File Size: 14 MB
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Demo Questions

Question 1
   
      
You are troubleshooting a route problem in the topology shown in the exhibit. The 10.30.0 0/24 route is not reachable from the R3 router. What would cause this problem?
  1. R3 does not have a route to the BGP next hop of 10.30.0.0/24
  2. R4 is not advertising the 10.30.0.0/24route to R3
  3. R3 does not have an established BGP session with R4.
  4. R3 does not have an OSPF route for 10.30.0.0/24
Correct answer: A
Question 2
which protocol is a multicast routing protocol?  
  1. OSPF  
  2. BGP  
  3. PIM  
  4. IS-IS
Correct answer: C
Question 3
You ate deploying PIM source-specific multicast (SSM) for a new multicast messaging service. You have configured the multicast source to use 236.44.123.100 as the multicast address. You are not able to join the PIM SSM multicast teed Which two solutions would resolve this problem? (Choose two)
  1. Add the multicast address to the (edit routing-options multicast ssm-map) stanza.
  2. Reconfigure the multicast source to use an address in the range of 224.0.0 0 through 224.255.255.255.
  3. Reconfigure the multicast source to use an address in the range of 232 0.0 0 through 232.255.255.255
  4. Add the multicast address to the [edit routing-options multicast ssm-groups] stanza.
Correct answer: AC
Question 4
   
  
Referring to the exhibit, a RMSM network is set up to enable communication between multicast devices.  
Which statement is true in this scenario?
  1. After the formation of the shortest-path tree, a join message is sent from R2 to R1.
  2. After the formation of the shortest-path tree, a join message is sent from R1 to R5
  3. After the formation of the shortest-path tree, a prune message is sent from R1 to R2.
  4. After the formation of the shortest-path free, a prune message is sent from R1 to R5.
Correct answer: C
Question 5
You are implementing 802.1x authentication in your Layer 2 network. Each user will have a computer and a phone, and you must ensure that both devices are authenticated individually.  
In this scenario, which supplicant mode should be used?
  1. Single-secure
  2. Single
  3. Captive-portal
  4. multiple 
Correct answer: B
Explanation:
https://www.juniper.net/documentation/en_US/junos/topics/topic-map/802-1x-authentication-switching-devices.html
https://www.juniper.net/documentation/en_US/junos/topics/topic-map/802-1x-authentication-switching-devices.html
Question 6
   
  
      
 Referring to the exhibit, you configured a new multicast classifier for the ge-1/2/0 interface ICMP traffic to the best-effort queue and traffic from 190.168.20.0/24 to the expedited forwarding queue. You received noticed that some application is not working after the change. Which configuration change will remedy the problem?
  1. [edit firewall family inet filter ingress 
    User@host # set term 3 then accept
  2. [edit firewall family inet filter ingress 
    User@host # set term 3 then next
  3. [edit firewall family inet filter ingress 
    User@host # set term 2 from protocol tcp
  4. [edit firewall family inet filter ingress 
    User@host # set term 2 from service-filter hit
Correct answer: A
Question 7
Which two statements are true regarding bidirectional PIM? (Choose two)
  1. It eliminates the need for an RP.
  2. Devices only store group specific entries.
  3. It uses multicast tunneling to forward traffic
  4. Forwarding paths can be suboptimal
Correct answer: BD
Question 8
   
Your IS-IS adjacency is not established as shown in the exhibit. What is the problem?
  1. There is an invalid IPv6 router ID
  2. There is an MTU mismatch
  3. There is an invalid IPv4 router ID
  4. There is an area mismatch
Correct answer: D
Question 9
   
   
You are investigating reports of increased latency and discover that some routes cause customer traffic to traverse a route reflector instead of the optimal path.  
Referring to the exhibit, which configuration statement would solve the problem?
  1. set protocols bgp group BGP-HESH import NHS
  2. delete protocols bgp group BGP-MESH peer-as
  3. set policy-option, policy-statement NHS term BGP_ROUTES from external
  4. delete protocol bop group BGP-MESH export NH3
Correct answer: C
Question 10
Which statement is correct about MSTP?
  1. MSTP enables mapping multiple independent spanning tree instances onto one physical topology
  2. MSTP enables dynamic discovery of Layer 2 neighbors.
  3. MSTP dynamically manages VLAN registration in a LAN
  4. MSTP uses slacked VLAN tags to extend a Layer 2 Ethernet connection between multiple sites
Correct answer: A
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