JN0-349 Online Practice Questions and Answers

Which two statements about DIS elections in IS-IS are correct? (Choose two.)

A. If a priority tie occurs, the router with the higher subnetwork point of attachment (SNPA) value becomes the DIS.

B. The router with the higher priority value becomes the DIS.

C. The router with the lower priority value becomes the DIS.

D. If a priority tie occurs, the router with the lower subnetwork point of attachment (SNPA) value becomes the DIS.

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, 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

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 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.

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 two statements about the BGP connection are correct? (Choose two.)

A. The local device has AS 100 configured but the peer is expecting AS 101.

B. This is an EBGP peering session.

C. This is an IBGP peering session.

D. The local device has AS 101 configured but the peer is expecting AS 100.

What are two functions of bridging? (Choose two.)

A. blocking

B. aging

C. listening

D. forwarding

Click the Exhibit button.

You have created a GRE tunnel as shown in the exhibit. The router with tunnel endpoint A is dropping the packets originating from User A and destined to User B.

What would cause this problem?

A. Endpoint A has the internet-options gre-path-mtu-discovery parameter enabled.

B. User A requested fragmentation and Endpoint A has the clear-dont-fragment-bit parameter enabled.

C. Endpoint A is missing a policy statement that allows User A's traffic into the tunnel.

D. User A is sending maximum size default Ethernet frames with the DF bit enabled.

Which two statements are true about GRE tunnels on Junos devices? (Choose two.)

A. Only one GRE tunnel can be included for each logical unit.

B. Multiple GRE tunnels can be included for each logical unit.

C. GRE interfaces can include multiple logical units.

D. GRE interfaces can include only a single logical unit.