Data Center, Associate (JNCIA-DC) v1.0

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Exam contains 64 questions
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Which statement is correct about building an IP fabric?

  • A. Each spine device should have a direct physical connection to every other spine device.
  • B. Each spine device should have a direct physical connection to every leaf device.
  • C. Each spine device must have two or more physical connections to each leaf device.
  • D. Each spine device must have two or more physical connections to every other spine device.


Answer : B

Which feature should be used with a static route that has a secondary next hop with a unique route preference value?

  • A. retain
  • B. resolve
  • C. qualified next hop
  • D. install


Answer : C

What is the purpose of an integrated routing and bridging (IRB) interface?

  • A. to forward Layer 2 traffic in the same VLAN
  • B. to consolidate trunk ports
  • C. to bridge end-user devices on various subnets across different VLANs
  • D. to function as a gateway IP address


Answer : D

What is the default time-to-live (TTL) value of an EBGP packet?

  • A. 255
  • B. 1
  • C. 32
  • D. 64


Answer : B

You recently switched from using a static route to reach your Internet service provider to learning the route to your provider using BGP. You want your router to use the static route as a backup route in case the BGP session with your provider fails. The BGP route to your provider is not the active route in your router's routing table.
What is causing the BGP route to behave this way?

  • A. Your router does not have a loopback interface configured.
  • B. Your router does not have BGP authentication enabled.
  • C. The static route has a lower age value than the BGP route.
  • D. The static route has a lower route preference value than the BGP route.


Answer : D

You have configured nonstop active routing (NSR) and want to verify the status of the synchronization including which protocols are configured for NSR support.
Which command would you use to accomplish this task?

  • A. show task replication
  • B. show system services
  • C. show system switchover
  • D. show services ha statistics


Answer : A

You are configuring a load-balancing policy on Juniper QFX Series devices.
In this scenario, which behavior would be enabled in the data plane?

  • A. per-packet
  • B. per-user
  • C. per-flow
  • D. per-interface


Answer : C

What is the purpose of implementing a link aggregation group (LAG) in a network?

  • A. to provide redundancy and load balancing across multiple links
  • B. to encrypt traffic between switches
  • C. to increase the speed of a single physical interface
  • D. to assign IP addresses automatically to devices on a network


Answer : A

Which two statements are correct about Juniper Apstra software? (Choose two.)

  • A. It is intended for greenfield deployments.
  • B. It is only used for brownfield deployments.
  • C. It provides automated management of Wi-Fi access points.
  • D. It provides intent-based network management.


Answer : AD

What are two names used to refer to the Layer 2 table that maintains known switching information? (Choose two.)

  • A. inet.0 table
  • B. routing information base (RIB)
  • C. Ethernet switching table
  • D. forwarding information base (FIB)


Answer : CD

You want your Junos OS router to drop packets that it receives for a particular destination IP address. You also want to notify the source of the traffic that the destination IP address is unreachable.
How would you accomplish this task?

  • A. Create a static route for the destination IP address in the inet.3 routing table.
  • B. Add the destination IP address to the list of martian IP addresses.
  • C. Create a static route for the destination IP address with a next hop of reject.
  • D. Create and apply a firewall filter to the ingress interface that discards traffic destined to the IP address.


Answer : C

A switch receives an Ethernet frame that contains source and destination MAC addresses that are not in the Ethernet switching table.
In this scenario, which two actions does the switch perform? (Choose two.)

  • A. The switch floods the frame out every port in the broadcast domain except the ingress port.
  • B. The switch adds the source MAC address to the Ethernet switching table.
  • C. The switch drops the frame.
  • D. The switch forwards the frame to the Routing Engine.


Answer : AB

What is the maximum hop count between server-facing interfaces on leaf devices in a five-stage IP fabric?

  • A. 4
  • B. 5
  • C. 2
  • D. 3


Answer : A

What is the purpose of generated routes?

  • A. to create a route when required conditions are met
  • B. to create a unique routing table
  • C. to increase the number of route advertisements
  • D. to expand a single route advertisement into multiple routes


Answer : A

Which two statements are correct about OSPF hello packets? (Choose two.)

  • A. OSPF hello packets are sent to a specific multicast address.
  • B. OSPF hello packets are sent to the neighboring interface's unicast IP address.
  • C. OSPF hello packets are sent at 10-second intervals by default.
  • D. OSPF hello packets are sent at random intervals by default.


Answer : AC

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Exam contains 64 questions
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