[Nov-2021] Free JN0-412 Exam Questions JN0-412 Actual Free Exam Questions
Verified JN0-412 dumps and 127 unique questions
Juniper JN0-412 Exam Topics:
| Section | Objectives |
|---|---|
| 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
|
| Contrail Fabric Deployment | Identify Contrail Fabric deployment concepts
Demonstrate knowledge of configuring, monitoring, or troubleshooting Contrail Fabrics
|
| 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 Architectures and Services | Identify Contrail architectural concepts
Identify Contrail virtual networking concepts
Demonstrate knowledge of configuring, monitoring, or troubleshooting Contrail networks
|
| Cloud Orchestration | Identify OpenStack concepts
Identify Kubernetes concepts
Demonstrate knowledge of configuring, monitoring, or troubleshooting orchestration
|
NEW QUESTION 16
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 17
What are three mechanisms supported by the Neutron ML2 plugin? (Choose three.)
- A. GRE
- B. MPLS
- C. VXLAN
- D. VLAN
- E. IPsec
Answer: A,C,D
NEW QUESTION 18
Refer to the exhibit.
You are trying to connect virtual machine A to virtual machine B.
Virtual machine A belongs to the security group WebServers. Virtual machine B belongs to the default security group.
Referring to the exhibit, which two actions would you perform on the default security group to allow access to virtual machine A? (Choose two.)
- A. Add an egress rule to the default security group to allow the WebServers security group.
- B. Add an egress rule to the default security group to allow VM A's IP address.
- C. Add an ingress rule to the default security group to allow the WebServers security group.
- D. Add an ingress rule to the default security group to allow VM A's IP address.
Answer: A,C
NEW QUESTION 19
Which two statements describe the Kubernetes network policy? (Choose two.)
- A. A policy can define traffic in both directions.
- B. If a policy is not applied to a pod, then the pod accepts traffic from all sources.
- C. A policy can define traffic in only one direction.
- D. If a policy is not applied to a pod, then the pod blocks traffic from all sources.
Answer: A,B
NEW QUESTION 20
You are creating a new Contrail cluster within the Contrail Command setup wizard.
In this scenario, which three parameters are required to create the cluster? (Choose three.)
- A. cluster name
- B. Contrail version
- C. Container Registry
- D. NTP server
- E. Default Virtual Gateway
Answer: A,B,C
NEW QUESTION 21
What is a TAP interface in Contrail?
- A. A hardware network interface that operates at OSI Layer 2.
- B. A software network interface that operates at OSI Layer 2.
- C. A hardware network interface that operates at OSI Layer 3.
- D. A software network interface that operates at OSI Layer 3.
Answer: D
NEW QUESTION 22
Refer to the exhibit.
A Contrail service instance is created in a scale-out mode with three instances (Sl-1, Sl-2, and Sl-3) between the left virtual network and the right virtual network.
Referring to the exhibit, which two statements are correct in this scenario?
(Choose two.)
- A. A Contrail policy has options to configure load sharing between the three service instances.
- B. The traffic between the virtual networks is load sharing using ECMP.
- C. Every packet between the virtual networks is forwarded to each of the three service instances.
- D. A Contrail policy can be used to block traffic initiated from the right virtual network to the left virtual network.
Answer: A,D
NEW QUESTION 23
Which two interfaces are active in the Contrail analyzer-vm-console-two-if.qcow2traffic analyzer image? (Choose two.)
- A. right
- B. left
- C. monitor
- D. management
Answer: B,D
Explanation:
Explanation/Reference: https://www.juniper.net/documentation/en_US/contrail19/topics/task/configuration/configure- traffic-analyzer-vnc.html
NEW QUESTION 24
You have deployed a Contrail cluster that must support bare-metal servers.
Which protocol is used to communicate between the bare-metal server's virtual tunnel endpoints and the Contrail cluster to establish sessions with the VM servers?
- A. EVPN/VXLAN
- B. XMPP
- C. SRTP
- D. BGP
Answer: A
NEW QUESTION 25
Refer to the exhibit.
Referring to the exhibit, when the user attempts the API request, which HTTP return code is generated by OpenStack?
- A. HTTP 401 (Unauthorized)
- B. HTTP 503 (Service Unavailable)
- C. HTTP 404 (Not Found)
- D. HTTP 400 (Bad Request)
Answer: A
NEW QUESTION 26
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 27
Which two nodes are part of the Contrail controller role? (Choose two.)
- A. control
- B. analytics
- C. config
- D. load balancer
Answer: A,C
NEW QUESTION 28
A developer is logged into OpenStack and is trying to bring up a recently assigned project but is rejected at the identify source.
Which log file should you review to identify this problem?
- A. var/log/neutron.log
- B. /var/log/keystone.log
- C. var/log/swift.log
- D. var/log/apache2/horizon.log
Answer: B
NEW QUESTION 29
Refer to the exhibit.
Referring to the exhibit, what does the IP address 10.1.1.2 refer to in the api_server.conf file in Contrail?
- A. The Contrail IP address
- B. The Server Web UI IP address
- C. The OpenStack controller IP address
- D. The physical server IP address
Answer: C
NEW QUESTION 30
You are asked to create a Contrail service instance between two virtual networks.
The left virtual network is a private virtual network. The routes from the left virtual network VRF should not be leaked into the right virtual network VRF.
Which Contrail service instance type would you choose in this scenario?
- A. In-Network
- B. In-network NAT
- C. In-network private
- D. Transparent
Answer: B
NEW QUESTION 31
What is the role of an orchestration platform in a cloud networking environment?
- A. It configures and monitors tunnels between virtual hosts.
- B. It controls and monitors the network underlay infrastructure.
- C. In configures and monitors tunnels between physical hosts.
- D. It controls pools of compute, storage, and networking resources.
Answer: D
NEW QUESTION 32
Which two OpenStack projects contain networking components? (Choose two.)
- A. Neutron
- B. Nova
- C. Keystone
- D. Magnum
Answer: A,D
NEW QUESTION 33
Prior to installing Contrail, which list of settings must be verified on all participating servers?
- A. time synchronization, hostname resolution, and that SSH is enabled
- B. DHCP is enabled, hostname resolution, and that SSH is enabled
- C. time synchronization, hostname resolution, and that FTP is enabled
- D. DHCP is enabled, hostname resolution, and that FTP is enabled
Answer: A
Explanation:
Explanation/Reference: https://www.juniper.net/documentation/en_US/contrail2.0/information-products/pathway-pages/ getting-started.pdf
NEW QUESTION 34
Which three elements should be used in a greenfield fabric deployment? (Choose three.)
- A. multi-area OSPF
- B. BGP
- C. ZTP
- D. existing IP fabric
- E. LLDP
Answer: B,C,D
Explanation:
Explanation/Reference: https://www.juniper.net/documentation/en_US/release-independent/solutions/topics/task/ configuration/new-fabric-cem-configuring.html
NEW QUESTION 35
A snapshot of a VM1 instance was just taken. The snapshot is named VM2. You must launch a new VM instance called VM2 using the newly created snapshot.
Which step must be taken to launch the instance?
- A. Launch the VM2 instance found under the drop-down menu for the VM1 instance.
- B. Create and launch the VM2 instance using the snapshot found under Other > Snapshots.
- C. Launch the VM2 instance found under Project > Compute > Instances.
- D. Create and launch the VM2 instance using the snapshot found under Project > Compute > Images.
Answer: B
NEW QUESTION 36
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