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Prepare JN0-412 Question Answers Free Update With 100% Exam Passing Guarantee [2022]
Juniper JN0-412 Exam Topics:
| Section | Objectives |
|---|---|
| Contrail Architectures and Services | Identify Contrail architectural concepts
Identify Contrail virtual networking concepts
Demonstrate knowledge of configuring, monitoring, or troubleshooting Contrail networks
|
| SDN Theory and Applications | Identify SDN concepts
Describe Cloud concepts
|
| Contrail Security | Identify Contrail security concepts
Demonstrate knowledge of configuring, monitoring, or troubleshooting Contrail security
|
| Cloud Orchestration | Identify OpenStack concepts
Identify Kubernetes concepts
Demonstrate knowledge of configuring, monitoring, or troubleshooting orchestration
|
| Contrail Monitoring and Analytics | Identify knowledge of AppFormix analytics concepts
Demonstrate knowledge of configuring, monitoring, or troubleshooting AppFormix
|
| Contrail Fabric Management | Identify Contrail Fabric management concepts
Demonstrate knowledge of configuring, monitoring, or troubleshooting Fabric management
|
| Contrail Fabric Deployment | Identify Contrail Fabric deployment concepts
Demonstrate knowledge of configuring, monitoring, or troubleshooting Contrail Fabrics
|
NEW QUESTION 32
Refer to the exhibit.
Referring to the exhibit, which two statements are correct? (Choose two.)
- A. One or more compute node processes are not running.
- B. The Contrail-analytics-nodemgr process created the alarm.
- C. The Contrail-collector process created the alarm.
- D. This alarm is predefined in Contrail.
Answer: B
NEW QUESTION 33
You are not able to view a specific Glance image under a project named Administrator in OpenStack. However, you are able to view the same image in a different project named ProjectA.
What is the problem in this scenario?
- A. The image is not marked as public.
- B. Only ISO, qcow2, and raw image types can be seen under all of the projects.
- C. There is an issue with Keystone authentication.
- D. You have restricted access to the project named Administrator.
Answer: A
NEW QUESTION 34
What are two features of software containers? (Choose two.)
- A. They provide greater software modularity.
- B. They have complete operating system security.
- C. They have isolated application thread processing.
- D. They provide programming language backward compatibility.
Answer: A,C
NEW QUESTION 35
You want to deploy an application to the cloud. You need to be able to manage the application as well as update the operating system and related services running in the virtual machine.
Which type of cloud service should you choose in this scenario?
- A. laaS
- B. SaaS
- C. DBaaS
- D. PaaS
Answer: A
NEW QUESTION 36
What are two valid service VMs in a service chain? (Choose two.)
- A. Load balancer
- B. Orchestrator
- C. Firewall
- D. Gateway
Answer: A,C
NEW QUESTION 37
In which OpenStack core service would you find disk snapshots?
- A. Trove
- B. Swift
- C. Glance
- D. Cinder
Answer: C
NEW QUESTION 38
Two virtual machines that belong to the same virtual network are not able to communicate with each other.
Which statement is true in this scenario?
- A. Images used to spawn the two virtual machines have different flavors.
- B. The two virtual machines are in different availability zones.
- C. A security group is blocking the communication.
- D. A floating IP address is assigned to the virtual machine.
Answer: C
Explanation:
Explanation
NEW QUESTION 39
What are two networking components of OpenStack? (Choose two.)
- A. Neutron
- B. Nova
- C. Barbican
- D. Ironic
Answer: A,B
NEW QUESTION 40
You are creating an AppFormix dynamic alarm definition with a dynamic threshold.
In this scenario, which three parameters are available? (Choose three.)
- A. owner
- B. sensitivity
- C. learning period duration
- D. baseline analysis algorithm
- E. state
Answer: B,C,D
NEW QUESTION 41
Which Kubernetes resource defines the traffic allowed to reach the pod?
- A. SecurityGroup
- B. IPAM
- C. Ingress
- D. NetworkPolicy
Answer: D
NEW QUESTION 42
Your development team asks you to provision twenty exact copies of a three-tier application containing three VMs. Each copy of the application must be on their own isolated network. The development team also wants to deploy more copies in the future from a self-service portal.
What will accomplish this task?
- A. Create a Heat orchestration template for the application and then launch twenty stacks using the Horizon dashboard or OpenStack CLI.
- B. Use the Contrail fabric manager to define and launch all twenty stacks using an intent-driven automation feature.
- C. Create a Heat orchestration template for the application and then launch twenty stacks using the AppFormix user interface.
- D. Create all twenty networks and launch each instance using the Horizon instance creation wizard.
Answer: A
NEW QUESTION 43
What is the proper order for creating a virtual network?
- A. Configure the virtual network, DNS, IPAM, and then the virtual machine.
- B. Configure the IPAM, virtual network, DNS, and then the virtual machine.
- C. Configure the DNS, IPAM, virtual network, and then the virtual machine.
- D. Configure the IPAM, DNS, virtual network, and then the virtual machine.
Answer: D
NEW QUESTION 44
What is the fundamental component of a heat template?
- A. Input
- B. Storage
- C. Resources
- D. Node
Answer: C
NEW QUESTION 45
Which statement is true regarding a network underlay in an SDN environment?
- A. It provides physical connectivity from any physical device to any physical device.
- B. It is aware of customer virtual domains and individual tenants on edge devices.
- C. It manages and maintains tunnels between customer resources.
- D. It maintains routing and switching information of end customer devices.
Answer: A
NEW QUESTION 46
You have configured an SR-IOV interface on a virtual host machine in your Contrail network environment. You discover that analytics data is not being recorded for traffic to the customer's VM that uses the SR-IOV interface.
Which two statements are true in this scenario? (Choose two.)
- A. You must use the tap interface on the Contrail vRouter to collect SR-IOV analytics data.
- B. You cannot perform analytics on the SR-IOV interface traffic.
- C. The data of packets going to the VM does not go through the vRouter on the host.
- D. The SR-IOV interface must be re-added to the analytics engine.
Answer: A,B
NEW QUESTION 47
Click the Exhibit button.
The exhibit displays a Contrail analyzer virtual machine's console. Which two statements are true in this scenario? (Choose two.)
- A. The ping traffic is initiated by a virtual machine with an IP address of 20.0.0.3.
- B. The Contrail analyzer virtual machine's IP address is 10.85.29.11.
- C. The Contrail analyzer virtual machine's IP address is 20.0.0.4.
- D. The ping traffic is initiated by a virtual machine with an IP address of 20.0.0.4.
Answer: A,B
NEW QUESTION 48
What are two networking components of OpenStack? (Choose two.)
- A. Neutron
- B. Nova
- C. Barbican
- D. Ironic
Answer: A,B
Explanation:
Explanation/Reference: https://docs.openstack.org/newton/networking-guide/intro.html
NEW QUESTION 49
Which ETSI NFV function is responsible for the management of virtual network functions (VNF) and element management systems (EMS)?
- A. Contrail Command
- B. Virtual Network Function Manager (VNFM)
- C. Analytics Database
- D. OpenStack
Answer: B
NEW QUESTION 50
Refer to the exhibit.
$ neutron net-show secret_network
You have created a new network in a Juniper OpenStack environment and now you want to share the object with a project that has an ID of e28769db97d9449da658bc6931fc683.
Which command will allow the object to be shared?
- A. neutron rbac- create - target-tenant e28769db97d9449da658bc6931fc683-action access_as_shared-- type network secret_network
- B. neutron rbac- create - target-tenant e28769db97d9449da658bc6931fc683-action access_as_shared-- type network*
- C. neutron rbac- create - target-tenant e28769db97d9449da658bc6931fc683-action access_as_shared-- type network 75ebefae574682bca2fede6f4d8c6f
- D. neutron rbac- create - target-tenant e28769db97d9449da658bc6931fc683-action access_as_shared--type network
Answer: C
NEW QUESTION 51
Refer to the exhibit.
You have configured your Contrail cluster to mirror traffic going between a network called frontend and a network called backend, however, the Wireshark window is not showing any packets being mirrored.
Referring to the exhibit, which statement is correct?
- A. The policy needs to be changed to unidirectional.
- B. Mirroring can only be used on a single interface.
- C. The apply service parameter needs to be unchecked.
- D. The mirror to parameter needs to be unchecked.
Answer: A
NEW QUESTION 52
Which two fabric management tasks would be completed using Contrail Command? (Choose two.)
- A. Change user permissions on Junos devices.
- B. Modify routing protocol preferences.
- C. Discover devices in the network.
- D. Automatically deploy an P fabric underlay.
Answer: C,D
NEW QUESTION 53
You want to deploy an application to the cloud. You need to control the amount of RAM, storage, CPU cores, networking ports, and IP addresses.
Which type of cloud service should you choose in this scenario?
- A. SaaS
- B. DBaaS
- C. IaaS
- D. PaaS
Answer: C
NEW QUESTION 54
Which two statements are true about User Visible Entities (UVEs)? (Choose two.)
- A. UVEs may not require aggregation before being presented.
- B. UVEs may require aggregation before being presented.
- C. UVEs can span multiple components.
- D. UVES are limited to a single component.
Answer: B,C
NEW QUESTION 55
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