Download Juniper Enterprise Routing and Switching, Specialist.JN0-349.CertDumps.2023-10-06.95q.vcex

Vendor: Juniper
Exam Code: JN0-349
Exam Name: Juniper Enterprise Routing and Switching, Specialist
Date: Oct 06, 2023
File Size: 5 MB
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Demo Questions

Question 1
Your BGP router receives routes from two upstream ISPs: ISP A and ISP B. In this scenario, which change would you make to prefer routes from ISPA?
  1. Set the local-preference attribute for all routes received from ISP A to 200 while all routes received from ISP B use the default local-preference value of 100.
  2. Prepend the AS path to all routes received from ISP A while all routes received from ISP B use the default AS path value.
  3. Change the MED value for all routes received from ISP A to 1 while all routes from ISP B remain configured with no MED value.
  4. Set the local-preference attribute for all routes received from ISP A to 50 while all routes received from ISP B use the default local-preference value of 100.
Correct answer: A
Question 2
Each PC and IP phone in your network is connected to a switch using the same port. All incoming data traffic is untagged and belongs to the v10 VLAN, while traffic coming from the IP phones is tagged with a VLAN value of 20 and should belong to the v20 VLAN on your switch. 
In this scenario, which statement is correct?
  1. You must enable the voice VLAN feature on the incoming interfaces and assign the v20 VLAN.
  2. You must enable an IRB interface and assign it to the v10 and v20 VLANs.
  3. You must enable LLDP-MED on the incoming interfaces and assign the v20 VLAN.
  4. You must enable the guest VLAN feature on the incoming interfaces and assign the v20 VLAN.
Correct answer: A
Question 3
What are three reasons a BGP route would be hidden? (Choose three.)
  1. The AS Path contains a 0.
  2. It is suppressed by a damping policy.
  3. The Local Preference is 0.
  4. The next hop is unreachable.
  5. It is rejected by a firewall term.
Correct answer: ABD
Question 4
  
You have an ESXi host that is connected to ge-0/0/23 on a Juniper EX Series switch. You added a new VM that will also use the same ge-0/0/23 interface. Unfortunately, the new VM is not able to reach external devices. 
Referring to the exhibit, which command would solve this problem?
  1. set vlans default switch-options interface-mac-limit 4 
  2. set vlans default switch-options interface-mac-limit 5
  3. set switch-options interface ge-0/0/23.0 interface-mac-limit 3
  4. clear ethernet-switching recovery-timeout interface ge-0/0/23.0
Correct answer: C
Question 5
  
A routing table contains multiple BGP routes to the same destination prefix. The route preference is the same for each route. 
Referring to the exhibit, which route would be selected?
  1. route A
  2. route B
  3. route C
  4. route D
Correct answer: B
Question 6
Which two statements are true regarding RIB groups? (Choose two.)
  1. The first table listed is the primary route table and determines the address family of the RIB group.
  2. The last table listed is the primary route table and determines the address family of the RIB group.
  3. A RIB group must contain one or more export-rib statements.
  4. A RIB group must contain one or more import-rib statements.
Correct answer: AD
Question 7
By default, how long will a learned MAC address be retained in the bridge table on an EX Series switch?
  1. 600 seconds
  2. 3600 seconds 
  3. 300 seconds
  4. 1800 seconds
Correct answer: C
Question 8
  
Referring to the exhibit, which interface is assigned the active VIP?
  1. Router A ge-0/0/2
  2. Router B ge-0/0/1
  3. Router A ge-0/0/1 
  4. Router B ge-0/0/2
Correct answer: B
Question 9
  
Referring to the exhibit, which devices will receive the packet sent by User B?
  1. User A and User D
  2. User C and User D
  3. User C
  4. User C, User A, and User D 
Correct answer: B
Question 10
If an EX Series switch receives a frame with a known destination MAC address, what is the expected behavior?
  1. The frame is sent out all ports assigned to the associated VLAN except the ingress port on which the frame was received.
  2. The frame is sent out all ports assigned to all configured VLANs except the ingress port on which the frame was received.
  3. The frame is sent out all trunk ports associated with the ingress VLAN regardless of whether a matching MAC address was found in the bridge table.
  4. The frame is sent out the egress port with a matching destination MAC address within the bridge table associated with the ingress VLAN.
Correct answer: D
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