JN0-349 Online Practice Questions and Answers

What are two Layer 2 firewall filter types? (Choose two.)

A. port-based

B. packet-based

C. flow-based

D. VLAN-based

Click the Exhibit button.

Referring to the exhibit, Router 1 learns about Route X.

Which statement is correct about Route X when using the default BGP advertisement rules?

A. R1 will not advertise this route to any peers.

B. R3 will not advertise this route to R4 or R5 without an explicit policy.

C. R4 and R5 will not advertise this route to each other.

D. R2 will not advertise this route to R3 without an explicit policy.

Which two statements about aggregate routes in the Junos OS are correct? (Choose two.)

A. An aggregate route has a default next hop of an IP address.

B. An aggregate route always shows as active in the routing table.

C. An active route can contribute only to a single aggregate route.

D. Only one aggregate route can be configured for each destination prefix.

Click the Exhibit button.

Referring to the exhibit, which statement is correct?

A. R1 and R2 are elected as DROthers.

B. R3 has the complete OSPF database.

C. R3 and R4 have an adjacency state of Full.

D. R4 is elected as the DR.

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.

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 do not want any spanning tree protocols operating in your environment, and you want to ensure that no BPDUs can be introduced into the environment.

Which statement is true in this scenario?

A. You must run a spanning tree protocol to block BPDUs.

B. Incoming BPDUs are blocked by default if a spanning tree protocol is not operating.

C. You can block BPDUs without running a spanning tree protocol using Layer 3 control.

D. Incoming BPDUs can only be blocked by the root bridge.

Click the Exhibit button.

Referring to the exhibit, which port will be selected as the RSTP root port on Switch-4?

A. ge-0/0/13.0

B. ge-0/0/8.0

C. ge-0/0/9.0

D. ge-0/0/12.0

Exhibit.

Referring to the exhibit, why is the route for 10.5.5.5 hidden?

A. It is an L3VPN route.

B. The next hop cannot be resolved.

C. It has an invalid community.

D. It is a Martian route.

By default, how long will a learned MAC address be retained in the bridge table on an EX Series switch?

A. 600 seconds

B. 3600 seconds

C. 300 seconds

D. 1800 seconds