Download Juniper Enterprise Routing and Switching, Specialist.JN0-349.CertDumps.2023-08-27.49q.vcex

Vendor: Juniper
Exam Code: JN0-349
Exam Name: Juniper Enterprise Routing and Switching, Specialist
Date: Aug 27, 2023
File Size: 3 MB
Downloads: 1
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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
  
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 4
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 5
  
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 6
What is a characteristic of OSPF ASBRs?
  1. ASBRs transmit routing information between the backbone and other areas.
  2. ASBRs cannot be part of the backbone and another area at the same time.
  3. ASBRs inject routing information from outside the OSPF domain.
  4. ASBRs link two OSPF areas.
Correct answer: C
Question 7
  
Referring to the exhibit, what does the asterisk(*) following the ge-0/0/5.0 interface indicate?
  1. It indicates the interface is not active.
  2. It indicates the interface is a trunk port.
  3. It indicates the interface is an access port. 
  4. It indicates the interface is active.
Correct answer: D
Question 8
What are three requirements to ensure proper GRE or IP-IP tunnel routing? (Choose three.)
  1. Keepalives must be used on stateless tunneling protocols.
  2. Tunnel endpoints must have a route that directs traffic into the tunnel.
  3. BGP must be used on intermediate devices.
  4. Tunnel endpoints must have a valid route to the remote endpoint.
  5. All intermediary devices must have a route to the tunnel endpoints.
Correct answer: BCD
Question 9
You are configuring IBGP and you must ensure that reachability is maintained between participating routers, even if the physical topology changes. 
Which two actions should you perform in this scenario? (Choose two.)
  1. Configure DHCP on all IBGP devices.
  2. Configure an IGP within your IBGP network.
  3. Configure static routes to all IBGP peers.
  4. Configure IBGP peerings to loopback addresses.
Correct answer: BD
Question 10
What are three reasons a router would send out an IS-IS link-state PDU? (Choose three.)
  1. A new external route is imported from BGP.
  2. The router's link to a neighbor goes down.
  3. A new neighbor exists on the link.
  4. The cost of a link to an existing neighbor has changed.
  5. IS-IS sends link-state PDUs at random intervals.
Correct answer: BCD
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