Free JN0-351 Practice Test Questions | Know You're Ready for Enterprise Routing and Switching Specialist (JNCIS-ENT)

Which statement is correct about graceful Routing Engine switchover (GRES)?

A. The PFE restarts and the kernel and interface information is lost.

B. GRES has a helper mode and a restarting mode.

C. When combined with NSR, routing is preserved and the new master RE does not restart rpd.

D. With no other high availability features enabled, routing is preserved and the new master RE does not restart rpd.

Which two statements are correct about Martian routes? {Choose two.)

A. Martian routes are never installed in the route table.

B. Additional prefixes can be added to the list of Martian routes.

C. Martian routes only represent publicly used prefixes.

D. Martian routes are always host addresses.

You are deploying a trunk port with multiple VLANs. In this scenario, which statement is true about the native VLAN?

A. The native VLAN must be the default VLAN on the port.

B. The native VLAN is automatically configured through DHCP.

C. The native VLAN is an untagged VLAN ID on the port.

D. The native VLAN is the highest tagged VLAN ID on the port.

You enable persistent MAC learning on your Juniper switch In this scenario, which statement is correct?

A. You can enable persistent MAC learning on an interface where MAC learning is disabled.

B. You can enable persistent MAC learning on an interface that is part of a redundant trunk group.

C. You can only enable persistent MAC learning on an interface in access mode.

D. You can only enable persistent MAC learning on an interface on which 802.1x authentication is configured.

What is the maximum allowable MTU size for a default GRE tunnel without IPv4 traffic fragmentation?

A. 1496 bytes

B. 1480 bytes

C. 1500 bytes

D. 1476 bytes

Exhibit:

Which statement is correct about the configuration shown in the exhibit?

A. The configuration will not complete the commit check process and will error out.

B. The ge-0/0/0 and ge-0/0/1 interfaces are operating in trunk mode.

C. All three interfaces are operating in access mode.

D. The ge-0/0/2 interface is operating as a Layer 3 interface.

What are two reasons for creating multiple areas in OSPF? (Choose two.)

A. to reduce the convergence time

B. to increase the number of adjacencies in the backbone

C. to increase the size of the LSDB

D. to reduce LSA flooding across the network

Exhibit

Your BGP neighbors, one in the USA and one in France, are not establishing a connection with each other. Referring to the exhibit, which statement is correct?

A. The BFD liveness is set too low.

B. The BFD liveness must be configured on the BGP neighbor.

C. The BFD liveness must be configured on the BGP group.

D. The BFD liveness is set too high.