JN0-349 Online Practice Questions and Answers

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 the root bridge election process are correct? (Choose two.)

A. The highest root bridge priority is preferred over lower root bridge priorities.

B. The highest root bridge identifier is preferred over lower root bridge identifiers.

C. The lowest root bridge priority is preferred over higher root bridge priorities.

D. The lowest root bridge identifier is preferred over higher root bridge identifiers.

You are concerned that someone from outside the company could use an open conference room port to access the network.

Which feature should you use to address this concern?

A. persistent MAC learning

B. 802.1X

C. DHCP snooping

D. MAC limiting

Your router is learning the 172.25.11.0/24 prefix from both the BGP and OSPF protocols. A routing policy is configured on your device to advertise the prefix to an established BGP peer but the peer is not receiving the prefix. You want to allow the prefix to be advertised to the BGP peer.

What should you do on this router to satisfy this requirement?

A. Enable the automatic removal of peer AS information from the prefix.

B. Enable the advertisement of inactive BGP routes.

C. Enable the automatic removal of private AS numbers from the prefix.

D. Enable the automatic refreshing of BGP routes.

Click the Exhibit button.

Why is the route shown in the exhibit hidden?

A. The router cannot reach the protocol next hop.

B. An MPLS LSP is unavailable.

C. The router is being rejected through an import policy.

D. The route is being rejected through an export policy.

You are configuring IS-IS on the newly provisioned ae88 interface. After you commit the configuration, you notice that your adjacency is not showing up.

Referring to the exhibit, what is the reason for the adjacency being down?

A. R1 and R2 are configured for different metrics.

B. R1 and R2 are in different IS-IS levels.

C. R1 and R2 have different interface parameters.

D. R1 and R2 are configured for different areas.

Which OSPF area type receives only the default route from the backbone?

A. transmit area

B. totally stubby area

C. not so stubby area

D. stub area

Which two statements about Martian addresses are correct? (Choose two.)

A. Martian addresses require a route prefix match type.

B. Martian addresses are not installed in the routing table by default.

C. Martian addresses can only be applied to the inet.0 routing table.

D. Martian addresses are installed in the routing table by default.

Which two statements about a Virtual Chassis are correct? (Choose two.)

A. A Virtual Chassis is managed using a single virtual console port.

B. You must use the same EX Series switch for all members in a Virtual Chassis.

C. All members in a Virtual Chassis must be running the same Junos version.

D. Each device must be managed separately.

Which two statements about BPDU protection are correct? (Choose two.)

A. By default, you must manually clear a BPDU error condition when using BPDU protection.

B. BPDU protection prevents unauthorized switches from connecting to and participating in your spanning tree topology.

C. By default, BPDU protection prevents the root bridge from communicating with other STP members unless it receives a superior BPDU first.

D. BPDU protection requires that STP or RSTP is configured on the switch.