Juniper Data Center, Associate (JNCIA-DC) - JN0-280 Exam Practice Test

A. The MAC address is learned based on the destination MAC address.

B. Traffic is forwarded based on the destination MAC address.

C. Traffic is forwarded based on the source MAC address.

D. The MAC address is learned based on the source MAC address.

A. Backbone Routers

B. Internal Routers

C. Autonomous System Boundary Routers (ASBRs)

D. Area Border Routers (ABRs)

A. LACP is used to monitor the status of an aggregated Ethernet bundle's member interfaces on a Junos device.

B. One side of the LACP session must be in active mode to exchange LACP packets on a Junos device.

C. Both sides of the LACP session must be in active mode to exchange LACP packets on a Junos device.

D. LACP is used to automatically add and delete interfaces from aggregated Ethernet bundles on a Junos device.

A. The entire IP fabric is one large broadcast domain.

B. Transit traffic is passed through the network based on the original frame's destination MAC address.

C. Load sharing is provided by the routing protocol used.

D. Loop prevention is provided by the underlying spanning tree protocol used.

A. To filter routes based on specific criteria

B. To dynamically generate routing entries

C. To group multiple Routing Information Bases together for a common purpose

D. To balance the load across multiple links

A. EBGP peers have a TTL of 1, while IBGP peers have a TTL of 255.

B. IBGP routes are more preferred than EBGP routes.

C. EBGP peers have a TTL of 255, while IBGP peers have a TTL of 1.

D. EBGP routes are more preferred than IBGP routes.

A. It finds the path with the shortest autonomous system path.

B. It finds the path with the least number of hops.

C. It finds the path with the numerically lowest cost.

D. It finds the path with the numerically lowest route preference.

A. It simplifies physical network design by allowing multiple virtual topologies over it.

B. It offers higher physical bandwidth capacity.

C. It provides direct Internet access to applications.

D. It replaces the need for physical network infrastructure.

A. 15

B. 10

C. 130

D. 5

A. Optimize the routing table size.

B. Automatically generate routing entries.

C. Implement policy-based routing decisions.

D. Increase the security of the routing process.

A. By default, IBGP has a TTL of 255.

B. IBGP uses AS path for loop prevention.

C. By default, IBGP has a TTL of 1.

D. IBGP uses full mesh for loop prevention.

A. The amount of network resource consumption is increased.

B. The chance of packet collision is decreased.

C. The chance of packet collision is increased.

D. The amount of network resource consumption does not change.

A. The BGP group is configured to attempt an EBGP peering session with 192.168.100.2.

B. The configuration will pass the commit check.

C. The configuration will not pass the commit check.

D. The BGP group is configured to attempt an EBGP peering session with 192.168.100.1.

A. To prevent unauthorized devices from accessing the network.

B. To control the flow of encrypted data.

C. To distribute traffic evenly across multiple links.

D. To limit the rate of incoming packets.

A. Every ingress interface into the fabric is only two hops away from the egress interface.

B. Every leaf device can communicate directly with other leaf devices.

C. Every spine device can communicate directly with other spine devices.

D. Every server that connects to a three-stage IP fabric must be multihomed.