Data Center, Specialist (JNCIS-DC) v1.0
Question 1
You are considering the bridged overlay EVPN-VXLAN architecture.
In this scenario, how many VLANs would be enabled in the VLAN-based service type at the MAC-VRF EVPN instance level?
- A. one VLAN
- B. two VLANs
- C. 4000 VLANs
- D. four VLANs
Answer : A
Question 2
What is correct about the selected device shown in the exhibit?
- A. It is a peer switch.
- B. It is an external generic system.
- C. It is an internal generic system.
- D. It is an access switch.
Answer : B
Question 3
You are using tags within Juniper Apstra for searching information in the blueprint about existing elements.
In this scenario, what is another construct that uses tags?
- A. tenants
- B. device context
- C. configlets
- D. services
Answer : D
Question 4
Referring to the exhibit, when you create the virtual network, which another component is automatically created by Juniper Apstra?
- A. routing zone
- B. IP pool
- C. connectivity template
- D. VLAN pool
Answer : C
Question 5
You are adding a new tenant to your Juniper Apstra-managed fabric and need to add a VXLAN type virtual network for the new tenant.
Which two components must be completed to accomplish this task? (Choose two.)
- A. A VNI must be manually specified.
- B. Either IPv4 or IPv6 connectivity must be enabled.
- C. The routing zone must be selected.
- D. The virtual network name must be specified.
Answer : CD
Question 6
What is the built-in probe that alerts network operators when traffic is cleared from a device placed into maintenance mode?
- A. maintenance probe
- B. device system health probe
- C. processor probe
- D. drain traffic anomaly probe
Answer : D
Question 7
You created a virtual network and allocated it to the incorrect routing zone.
In this scenario, what are two ways to assign the virtual network property? (Choose two.)
- A. Remove the tag from the incorrect routing zone and add the tag to the correct routing zone.
- B. Edit the connectivity template and replace the incorrect routing zone with the correct routing zone.
- C. Delete the virtual network and then re-create it by assigning the correct routing zone.
- D. Edit the virtual network and replace the incorrect routing zone with the correct routing zone.
Answer : CD
Question 8
You must enable ECMP load balance in your three-stage EBGP IP Clos fabric.
In this scenario, which two features are required? (Choose two.)
- A. a load-balance policy applied to the forwarding table
- B. mutlipath multiple-as applied to the BGP group
- C. a load-balance policy applied to the BGP group
- D. multihop applied to the BGP group
Answer : AB
Question 9
You want to gracefully take a device out of service to perform an OS upgrade.
How would you accomplish this task using Juniper Apstra?
- A. After selecting the device in the Staged tab, you would select Deploy Mode then Upgrade.
- B. After selecting the device in the Active tab, you would select Deploy Mode then Drain.
- C. After selecting the device in the Dashboard tab, you would select Deploy Mode then Upgrade.
- D. After selecting the device in the Staged tab, you would select Deploy Mode then Drain.
Answer : B
Question 10
Which type of generic system should you select when adding a new server inside an existing rack type?
- A. internal generic
- B. rack generic
- C. external generic
- D. embedded generic
Answer : B
Question 11
You are using Juniper Apstra to create your DC fabric. The fabric requires the use of configlets and requires a property set, which you call "test." While creating the property set, you encounter an error message.
Referring to the exhibit, how would you correct the error?
- A. Use the Builder option for input type of YAML.
- B. Remove the trailing blank lines.
- C. Change to JSON and click create.
- D. Use valid YAML syntax of key:value.
Answer : D
Question 12
In the Juniper Apstra UI, what are two aspects that you are able to query under the Active tab within a blueprint? (Choose two.)
- A. ARP
- B. Virtual Network
- C. Route Zone
- D. MAC
Answer : AD
Question 13
You are attempting to attach the server connected to the my_border_001_leaf1 node's ge-0/0/5 interface to the finance-app virtual network.
Referring to the exhibit, what would you do to solve the problem?
- A. You can add a generic system to the physical topology.
- B. You can set the generic system to the deploy mode.
- C. You can allocate an IP pool resource to the virtual network.
- D. You can assign the finance-app virtual network to the my_border_001_leaf1 node.
Answer : A
Question 14
What is the primary reason for creating an Apstra worker node?
- A. to support more than one blueprint
- B. to create a space for storing event logs
- C. to run zero-touch provisioning (ZTP)
- D. to offload off-box agents and IBA
Answer : D
Question 15
You have an EVPN-VXLAN data center IP fabric, with all single-homed hosts/servers.
Which two EVPN route types are present in this scenario? (Choose two.)
- A. Type 3
- B. Type 7
- C. Type 2
- D. Type 4
Answer : AC