WGU D415 EXAM ACTUAL EXAM 2026 | SOFTWARE-DEFINED
NETWORKING (SDN) | OBJECTIVE ASSESSMENT (OA) EXAM | ALL
QUESTIONS AND CORRECT ANSWERS | WESTERN GOVERNORS
UNIVERSITY
1. Which of the following provides a catalog of security and privacy controls
related to the United States federal information systems?
GDPR
NIST 800-53
PCI DSS
ISO 27000
2. Which OpenStack unit allows different computer instances and storage
nodes to communicate?
Cinder
Nova
Keystone
Neutron
3. Describe how APIs contribute to flexibility in network management.
APIs are primarily used for data storage in network management.
APIs restrict communication to enhance security measures.
APIs eliminate the need for network management altogether.
APIs allow different network services and applications to
communicate, enabling automation and adaptability in managing
network resources.
,4. OpenStack Block Storage enables you to add extra block-level storage to
which component?
OpenStack Identity Manager
OpenStack System Architecture
OpenStack Compute Instances
OpenStack Object Storage
5. What are some of the key practices recommended by NIST SP 800-125B for
secure deployment?
Network segmentation and firewall configuration.
Regular software updates and user training.
Data encryption and access control lists.
Practices involving patch management, secure boot processes, and
hardware-based security features.
6. If a company wants to improve its network management capabilities using
OpenStack, which of the following actions would be most beneficial?
Increasing physical server capacity without virtualization.
Implementing OpenStack services to automate resource
deployment and management.
Reducing the number of network devices to simplify management.
Using traditional networking methods without cloud integration.
7. What are the three types of virtualized resources included in Virtual Network
Function Infrastructure (VNFI)?
Storage, processing, and routing
, Compute, storage, and network resources
Network, security, and application resources
Compute, memory, and bandwidth
8. What is the primary function of Nova in OpenStack?
Ensuring security compliance
Providing network services
Managing storage resources
Handling compute resources
9. If an organization wants to optimize its cloud resource usage, how might
Ceilometer be utilized?
By enforcing security policies across the network.
By automating the deployment of applications.
By managing user access to cloud resources.
By providing insights into resource consumption patterns.
10. Which functions of an SDN architecture require southbound APIs to enable
communication?
SDN controller and the cloud
management console and the cloud
SDN controller and the network elements
management console and the SDN controller
, 11. If an organization implements OpenStack without using Barbican, what
potential risk might they face regarding data security?
Enhanced user experience
Reduced operational costs
Improved network performance
Increased vulnerability to data breaches
12. Describe how Neutron facilitates the creation of virtual networks in
OpenStack.
Neutron provides a user interface for managing storage resources.
Neutron is used for monitoring network traffic only.
Neutron allows users to create and manage virtual networks,
routers, and load balancers, enhancing network flexibility.
Neutron is responsible for managing physical servers in the data
center.
13. If a VM on a physical host is faulty, other VMs on the physical host are not
affected. Which feature of the virtualization technology is reflected by the
preceding description?
Independence
Isolation
Partition
Encapsulation
NETWORKING (SDN) | OBJECTIVE ASSESSMENT (OA) EXAM | ALL
QUESTIONS AND CORRECT ANSWERS | WESTERN GOVERNORS
UNIVERSITY
1. Which of the following provides a catalog of security and privacy controls
related to the United States federal information systems?
GDPR
NIST 800-53
PCI DSS
ISO 27000
2. Which OpenStack unit allows different computer instances and storage
nodes to communicate?
Cinder
Nova
Keystone
Neutron
3. Describe how APIs contribute to flexibility in network management.
APIs are primarily used for data storage in network management.
APIs restrict communication to enhance security measures.
APIs eliminate the need for network management altogether.
APIs allow different network services and applications to
communicate, enabling automation and adaptability in managing
network resources.
,4. OpenStack Block Storage enables you to add extra block-level storage to
which component?
OpenStack Identity Manager
OpenStack System Architecture
OpenStack Compute Instances
OpenStack Object Storage
5. What are some of the key practices recommended by NIST SP 800-125B for
secure deployment?
Network segmentation and firewall configuration.
Regular software updates and user training.
Data encryption and access control lists.
Practices involving patch management, secure boot processes, and
hardware-based security features.
6. If a company wants to improve its network management capabilities using
OpenStack, which of the following actions would be most beneficial?
Increasing physical server capacity without virtualization.
Implementing OpenStack services to automate resource
deployment and management.
Reducing the number of network devices to simplify management.
Using traditional networking methods without cloud integration.
7. What are the three types of virtualized resources included in Virtual Network
Function Infrastructure (VNFI)?
Storage, processing, and routing
, Compute, storage, and network resources
Network, security, and application resources
Compute, memory, and bandwidth
8. What is the primary function of Nova in OpenStack?
Ensuring security compliance
Providing network services
Managing storage resources
Handling compute resources
9. If an organization wants to optimize its cloud resource usage, how might
Ceilometer be utilized?
By enforcing security policies across the network.
By automating the deployment of applications.
By managing user access to cloud resources.
By providing insights into resource consumption patterns.
10. Which functions of an SDN architecture require southbound APIs to enable
communication?
SDN controller and the cloud
management console and the cloud
SDN controller and the network elements
management console and the SDN controller
, 11. If an organization implements OpenStack without using Barbican, what
potential risk might they face regarding data security?
Enhanced user experience
Reduced operational costs
Improved network performance
Increased vulnerability to data breaches
12. Describe how Neutron facilitates the creation of virtual networks in
OpenStack.
Neutron provides a user interface for managing storage resources.
Neutron is used for monitoring network traffic only.
Neutron allows users to create and manage virtual networks,
routers, and load balancers, enhancing network flexibility.
Neutron is responsible for managing physical servers in the data
center.
13. If a VM on a physical host is faulty, other VMs on the physical host are not
affected. Which feature of the virtualization technology is reflected by the
preceding description?
Independence
Isolation
Partition
Encapsulation
