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web.groovymark@gmail.com
- November 17, 2024
Question 01
Which OpenStack module allows users to orchestrate cloud applications by defining them as a collection of resources?
a) Heat
b) Trove
c) Glance
d) Neutron
Correct Answer: a) Heat
Explanation: Heat allows users to orchestrate cloud applications by defining them as a collection of resources, such as servers, networks, and storage, which can be managed using templates.
Question 02
Which SDN component is responsible for handling network control functions, such as routing and traffic engineering?
a) Control plane
b) Data plane
c) Application plane
d) Management plane
Correct Answer: a) Control plane
Explanation: The control plane in SDN is responsible for managing network control functions like routing, traffic engineering, and policy enforcement.
Question 03
Which OpenStack module provides networking as a service (NaaS) and allows virtual machines to communicate with each other?
a) Neutron
b) Swift
c) Trove
d) Cinder
Correct Answer: a) Neutron
Explanation: Neutron is the OpenStack module that provides networking as a service (NaaS), enabling virtual machines and other resources to communicate with each other.
Question 04
Which SDN security mechanism prevents unauthorized traffic by filtering data flows based on strict policies?
a) Fine-grained data flow management
b) Replication
c) Controller-Switch trust
d) Redundancy
Correct Answer: a) Fine-grained data flow management
Explanation: Fine-grained data flow management enforces strict data flow policies to prevent unauthorized traffic from moving through the network, increasing security
Question 05
Which OpenStack module provides block storage to virtual machines, ensuring data persists even after instances are terminated?
a) Cinder
b) Swift
c) Glance
d) Trove
Correct Answer: a) Cinder
Explanation: Cinder provides persistent block storage to virtual machines, allowing data to remain available even after instances are stopped or terminated.
Question 06
Which SDN plane handles the physical forwarding of data packets from one node to another?
a) Data plane
b) Control plane
c) Application plane
d) Management plane
Correct Answer: a) Data plane
Explanation: The data plane is responsible for physically forwarding data packets from one node to another within the SDN network.
Question 07
Which OpenStack service provides the ability to manage the security and lifecycle of encryption keys and digital certificates?
a) Barbican
b) Horizon
c) Glance
d) Trove
Correct Answer: a) Barbican
Explanation: Barbican provides key management services in OpenStack, allowing users to securely manage encryption keys, digital certificates, and other sensitive data.
Question 08
Which SDN component provides a centralized view of the entire network, enabling network automation and optimization?
a) SDN controller
b) Data plane
c) Northbound API
d) Application plane
Correct Answer: a) SDN controller
Explanation: The SDN controller provides a centralized view of the entire network, enabling network automation, optimization, and efficient management of resources.
Question 09
Which OpenStack service is responsible for managing database instances, offering both relational and non-relational database support?
a) Trove
b) Swift
c) Cinder
d) Glance
Correct Answer: a) Trove
Explanation: Trove provides database management services, allowing users to deploy and manage both relational and non-relational databases within an OpenStack environment.
Question 10
Which SDN security mechanism ensures secure communication between the controller and network devices by preventing unauthorized flows?
a) Controller-Switch trust
b) Replication
c) Dynamic device association
d) Shuffling
Correct Answer: a) Controller-Switch trust
Explanation: Controller-Switch trust ensures secure communication between the controller and network devices by preventing unauthorized flows from being inserted into the network.
Question 11
Which OpenStack service allows users to store and retrieve large amounts of unstructured data, such as backups or media files?
a) Swift
b) Cinder
c) Trove
d) Neutron
Correct Answer: a) Swift
Explanation: Swift provides object storage services, allowing users to store and retrieve large amounts of unstructured data such as backups or media files.
Question 12
Which SDN API allows communication between different controllers, ensuring network synchronization and load distribution?
a) East/Westbound API
b) Northbound API
c) Southbound API
d) Application plane
Correct Answer: a) East/Westbound API
Explanation: The East/Westbound API allows communication between SDN controllers, ensuring synchronization and load distribution across the network.
Question 13
Which OpenStack service provides a graphical user interface (GUI) for managing OpenStack resources and services?
a) Horizon
b) Glance
c) Swift
d) Neutron
Correct Answer: a) Horizon
Explanation: Horizon is the OpenStack service that provides a graphical user interface (GUI) for managing and interacting with OpenStack resources and services.
Question 14
Which SDN mechanism ensures high availability by replicating key network components across multiple locations?
a) Replication
b) Controller-Switch trust
c) Dynamic device association
d) Shuffling
Correct Answer: a) Replication
Explanation: Replication ensures high availability by creating multiple copies of key network components, ensuring services remain available even if some components fail.
Question 15
Which OpenStack service allows users to deploy, scale, and manage Hadoop clusters for big data processing?
a) Sahara
b) Trove
c) Swift
d) Neutron
Correct Answer: a) Sahara
Explanation: Sahara is the OpenStack service that allows users to deploy, scale, and manage Hadoop clusters and other big data processing frameworks.
Question 16
Which SDN security mechanism dynamically associates network devices with the correct controllers, improving fault tolerance and security?
a) Dynamic device association
b) Controller diversity
c) Replication
d) Shuffling
Correct Answer: a) Dynamic device association
Explanation: Dynamic device association ensures that network devices are dynamically connected to the correct controllers, improving fault tolerance and security.
Question 17
Which OpenStack module is responsible for handling authentication and access control for OpenStack services?
a) Keystone
b) Horizon
c) Swift
d) Cinder
Correct Answer: a) Keystone
Explanation: Keystone handles authentication and access control in OpenStack, ensuring that only authorized users can access specific OpenStack services.
Question 18
Which SDN component manages how network traffic is handled and provides centralized network intelligence?
a) Control plane
b) Data plane
c) Application plane
d) Management plane
Correct Answer: a) Control plane
Explanation: The control plane in SDN manages how network traffic is handled, providing centralized intelligence to make routing, traffic engineering, and policy decisions.
Question 19
Which OpenStack service is responsible for managing block storage volumes, enabling persistent data storage for virtual machines?
a) Cinder
b) Swift
c) Glance
d) Neutron
Correct Answer: a) Cinder
Explanation: Cinder provides block storage services for OpenStack, enabling persistent data storage for virtual machines, even after they are stopped or terminated.
Question 20
Which SDN API enables external applications to communicate with the SDN controller, allowing for real-time network changes?
a) Northbound API
b) Southbound API
c) East/Westbound API
d) Data plane
Correct Answer: a) Northbound API
Explanation: The Northbound API allows external applications to communicate with the SDN controller, enabling real-time changes to network configurations and behaviors.
