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JN0-280 Data Center, Associate (JNCIA-DC) is now Stable and With Pass Result | Test Your Knowledge for Free

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JN0-280 Practice Questions

Data Center, Associate (JNCIA-DC)

Last Update 55 minutes ago
Total Questions : 65

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Question # 11

How does OSPF calculate the best path to a particular prefix?

Options:

A.  

It finds the path with the numerically lowest cost.

B.  

It finds the path with the shortest autonomous system path.

C.  

It finds the path with the least number of hops.

D.  

It finds the path with the numerically lowest route preference.

Discussion 0
Question # 12

You want to minimize topology disruptions in your network when the rpd process restarts on a device. Which service would accomplish this task?

Options:

A.  

Bidirectional Forwarding Detection (BFD)

B.  

link aggregation groups

C.  

graceful restart (GR)

D.  

Virtual Chassis

Discussion 0
Question # 13

Which statement is correct about a three-stage IP fabric underlay?

Options:

A.  

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

B.  

Every spine device can communicate directly with other spine devices.

C.  

Every leaf device can communicate directly with other leaf devices.

D.  

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

Discussion 0
Question # 14

Within your router, you want to verify that you are learning routes from a remote BGP peer at IP address 10.10.100.1. Which command would satisfy the requirement?

Options:

A.  

show route receive-protocol bgp 10.10.100.1

B.  

show route protocol bgp table inet.0 10.10.100.1

C.  

show route advertise-protocol bgp 10.10.100.1

D.  

show route protocol bgp source-gateway 10.10.100.1

Discussion 0
Question # 15

Which two statements are correct about VLAN tags? (Choose two.)

Options:

A.  

VLAN tags carry a VLAN ID and priority.

B.  

VLAN tags are required on access ports.

C.  

VLAN tags require multiple forwarding tables.

D.  

VLAN tags can be inserted or removed by trunk interfaces.

Discussion 0
Question # 16

Exhibit:

Question # 16

Referring to the exhibit, at which interval will the interface be considered down if no hello packets are received?

Options:

A.  

2000 seconds

B.  

400 milliseconds

C.  

400 seconds

D.  

2000 milliseconds

Discussion 0
Question # 17

What is the behavior of the default export policy for OSPF?

Options:

A.  

Accept all routes.

B.  

Reject all routes.

C.  

Redistribute all routes.

D.  

Forward all routes.

Discussion 0
Question # 18

Which operation mode command will display the mapping between the VLAN ID and ports on a switch?

Options:

A.  

show route

B.  

show ethernet-switching table

C.  

show interfaces terse

D.  

show vlans

Discussion 0
Question # 19

Exhibit:

Question # 19

Referring to the exhibit, which behavior does this configuration enable on the ge-0/0/1.0 interface?

Options:

A.  

This configuration enables a MAC address learned on the interface to be persistently retained in the Ethernet-switching table, even after a reboot.

B.  

This configuration enables the device to place a MAC address that persistently causes network errors into a special protected VLAN.

C.  

This configuration enables the device to shut down the interface when a particular MAC address persistently sends broadcast traffic.

D.  

This configuration enables the interface to learn and remember MAC addresses, until the device is rebooted.

Discussion 0
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