Juniper JN0-349 Enterprise Routing and Switching, Specialist (JNCIS-ENT) Online Training
Juniper JN0-349 Online Training
The questions for JN0-349 were last updated at Dec 24,2024.
- Exam Code: JN0-349
- Exam Name: Enterprise Routing and Switching, Specialist (JNCIS-ENT)
- Certification Provider: Juniper
- Latest update: Dec 24,2024
What are three reasons a router would send out an IS-IS link-state PDU? (Choose three.)
- A . A new external route is imported from BGP.
- B . The router’s link to a neighbor goes down.
- C . A new neighbor exists on the link.
- D . The cost of a link to an existing neighbor has changed.
- E . IS-IS sends link-state PDUs at random intervals.
You have an OSPF NSSA area that is also receiving IS-IS routes on the ASBR.
In this scenario, which LSA type is used to announce external IS-IS routes?
- A . Type 7
- B . Type 8
- C . Type 1
- D . Type 4
You are a service provider and have multiple customers in a building.
You are installing a new switch that can host all of your customers. However, you would like to ensure that one customer cannot see or broadcast to another customer.
You would also like to have them use a common gateway IP address from the building.
What should be used to provide this access?
- A . VLAN
- B . private VLAN
- C . filter-based VLAN
- D . Layer 2 tunneling
You are troubleshooting OSPF issues on your device.
You run a trace log and receive the error shown in the exhibit.
What would case this error?
- A . missing route policy
- B . stub area mismatch
- C . MD5 authentication error
- D . subnet mismatch
Click the Exhibit button.
Referring to the exhibit, which set of interfaces is enabled for Ethernet switching?
- A . ge-0/0/6, ge-0/0/7, and ge-0/0/8
- B . ge-0/0/6, ge-0/0/8, and ge-0/0/10
- C . ge0/0/6, ge-0/0/7, ge-0/0/8, and ge-0/0/10
- D . ge-0/0/6 and ge-0/0/8
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 ISP A?
- A . 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.
- B . Prepend the AS path to all routes received from ISP A while all routes received from ISP B use the default AS path value.
- C . 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.
- D . 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.
What kind of filter would be written to protect control traffic destined for the switch?
- A . A filter applied to the default VLAN
- B . A filter applied to the native VLAN
- C . A filter applied to the management interface
- D . A filter applied to the loopback interface
Which three link-specific fields must match between OSPF neighbors before they form an adjacency over a broadcast medium? (Choose three.)
- A . router priority
- B . hello interval
- C . neighbor
- D . dead interval
- E . options
What types of authentication are supported in Junos for OSPF?
- A . Simple password
- B . MD5 checksum
- C . Hitless key chain of MD5 keys/checksums
- D . All of the above
Click the Exhibit button.
Referring to the exhibit, which statement is correct?
- A . The router is acting as the DR.
- B . The router is acting as the BDR.
- C . The router is acting as a DROther.
- D . The router is not able to establish an adjacency.
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