-
web.groovymark@gmail.com
- November 17, 2024
Question 21
Which OpenStack service allows users to manage relational and non-relational databases on demand?
a) Trove
b) Glance
c) Cinder
d) Swift
Correct Answer: a) Trove
Explanation: Trove provides database-as-a-service (DBaaS) capabilities, allowing users to deploy and manage both relational and non-relational databases on demand.
Question 22
Which SDN mechanism reduces the attack surface by controlling how data flows within the network and applying strict policies?
a) Fine-grained data flow management
b) Controller-Switch trust
c) Shuffling
d) Replication
Correct Answer: a) Fine-grained data flow management
Explanation: Fine-grained data flow management reduces the attack surface by enforcing strict controls over how data flows within the network, enhancing security.
Question 23
Which OpenStack module provides object storage, allowing users to store and retrieve large amounts of unstructured data?
a) Swift
b) Cinder
c) Glance
d) Trove
Correct Answer: a) Swift
Explanation: Swift provides object storage services in OpenStack, allowing users to store and retrieve large amounts of unstructured data such as backups or media files.
Question 24
Which SDN API is used for communication between the SDN controller and network devices like switches and routers?
a) Southbound API
b) Northbound API
c) East/Westbound API
d) Data plane
Correct Answer: a) Southbound API
Explanation: The Southbound API is responsible for communication between the SDN controller and network devices like switches and routers, enabling traffic management.
Question 25
Which OpenStack service enables users to create and manage virtual networks, routers, and load balancers in a cloud environment?
a) Neutron
b) Swift
c) Glance
d) Trove
Correct Answer: a) Neutron
Explanation: Neutron provides networking as a service (NaaS) in OpenStack, allowing users to create and manage virtual networks, routers, and load balancers in a cloud environment.
Question 26
Which SDN component is responsible for making forwarding decisions and directing data packets through the network?
a) Data plane
b) Control plane
c) Application plane
d) Northbound API
Correct Answer: a) Data plane
Explanation: The data plane is responsible for making forwarding decisions and directing data packets through the network based on instructions from the control plane.
Question 27
Which OpenStack service is responsible for managing and storing virtual machine images for deployment?
a) Glance
b) Swift
c) Cinder
d) Horizon
Correct Answer: a) Glance
Explanation: Glance is the OpenStack service that manages virtual machine images, allowing users to store, retrieve, and deploy VM images across the cloud environment.
Question 28
Which SDN security mechanism rearranges network configurations to make it more difficult for attackers to predict network behavior?
a) Shuffling
b) Controller-Switch trust
c) Dynamic device association
d) Replication
Correct Answer: a) Shuffling
Explanation: Shuffling rearranges network configurations to make it more difficult for attackers to predict network behavior, increasing the difficulty of launching successful attacks.
Question 29
Which OpenStack service allows users to manage and orchestrate cloud resources using predefined templates?
a) Heat
b) Horizon
c) Glance
d) Swift
Correct Answer: a) Heat
Explanation: Heat allows users to manage and orchestrate cloud resources using predefined templates, automating the deployment and scaling of cloud applications.
Question 30
Which SDN API is responsible for communication between different controllers in a distributed SDN environment?
a) East/Westbound API
b) Northbound API
c) Southbound API
d) Data plane
Correct Answer: a) East/Westbound API
Explanation: The East/Westbound API is used for communication between different controllers in a distributed SDN environment, ensuring synchronization and coordination.
Question 31
Which OpenStack service provides database management capabilities, allowing users to deploy and manage both relational and non-relational databases?
a) Trove
b) Cinder
c) Glance
d) Swift
Correct Answer: a) Trove
Explanation: Trove is the OpenStack service that provides database-as-a-service, enabling users to deploy and manage relational and non-relational databases in the cloud.
Question 32
Which SDN mechanism ensures secure communication between the SDN controller and network devices by preventing unauthorized flow insertion?
a) Controller-Switch trust
b) Replication
c) Fine-grained data flow management
d) Dynamic device association
Correct Answer: a) Controller-Switch trust
Explanation: Controller-Switch trust ensures secure communication between the SDN controller and network devices, preventing unauthorized flow insertion into the network.
Question 33
Which OpenStack service enables users to create and manage virtual networks for virtual machines in a cloud environment?
a) Neutron
b) Swift
c) Glance
d) Trove
Correct Answer: a) Neutron
Explanation: Neutron provides networking as a service (NaaS) in OpenStack, allowing users to create and manage virtual networks, routers, and other network services for virtual machines.
Question 34
Which SDN API allows external applications to request network services and make 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 request network services and make real-time changes to the network, enabling flexible and dynamic network management.
Question 35
Which OpenStack module provides key management services, ensuring that encryption keys, certificates, and other sensitive data are securely stored?
a) Barbican
b) Trove
c) Cinder
d) Swift
Correct Answer: a) Barbican
Explanation: Barbican provides key management services, ensuring that encryption keys, certificates, and other sensitive data are securely stored and managed in the cloud.
Question 36
Which SDN mechanism involves dynamically associating network devices with the appropriate controllers, improving network fault tolerance?
a) Dynamic device association
b) Shuffling
c) Replication
d) Fine-grained data flow management
Correct Answer: a) Dynamic device association
Explanation: Dynamic device association ensures that network devices are dynamically associated with the appropriate controllers, improving network fault tolerance and reducing latency.
Question 37
Which OpenStack service is used to manage block storage volumes, enabling persistent data storage for virtual machines?
a) Cinder
b) Swift
c) Glance
d) Trove
Correct Answer: a) Cinder
Explanation: Cinder is the OpenStack service that manages block storage volumes, enabling persistent data storage for virtual machines, even after instances are stopped.
Question 38
Which SDN mechanism provides redundancy in network services, ensuring availability even if some network components fail?
a) Replication
b) Controller-Switch trust
c) Fine-grained data flow management
d) Dynamic device association
Correct Answer: a) Replication
Explanation: Replication ensures that network services remain available by creating multiple copies of key network components, ensuring availability even if some components fail.
Question 39
Which OpenStack service provides object storage, allowing users to store and retrieve large amounts of unstructured data such as media files or backups?
a) Swift
b) Cinder
c) Glance
d) Trove
Correct Answer: a) Swift
Explanation: Swift is the OpenStack service responsible for providing object storage, enabling users to store and retrieve large amounts of unstructured data such as media files or backups.
Question 40
Which SDN API manages communication between the control plane and network devices like switches and routers?
a) Southbound API
b) Northbound API
c) East/Westbound API
d) Data plane
Correct Answer: a) Southbound API
Explanation: The Southbound API manages communication between the control plane and network devices like switches and routers, enabling the controller to issue forwarding instructions.
