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web.groovymark@gmail.com
- November 17, 2024
Question 21
Which SDN security mechanism minimizes the impact of network attacks by distributing traffic across multiple controllers?
a) Controller diversity
b) Dynamic device association
c) Fine-grained policy management
d) Replication
Correct Answer: a) Controller diversity
Explanation: Controller diversity minimizes the risk of network attacks by distributing traffic across multiple controllers, preventing any single controller from becoming a bottleneck or point of failure.
Question 22
Which OpenStack module allows users to manage and orchestrate cloud resources and applications using predefined templates?
a) Heat
b) Glance
c) Horizon
d) Neutron
Correct Answer: a) Heat
Explanation: Heat is the OpenStack service for orchestrating cloud resources and applications, allowing users to deploy and manage resources using predefined templates.
Question 23
Which SDN API manages communication between groups of controllers to ensure synchronization and traffic distribution?
a) East/Westbound API
b) Northbound API
c) Southbound API
d) Data plane
Correct Answer: a) East/Westbound API
Explanation: The East/Westbound API manages communication between groups of SDN controllers, ensuring that controllers are synchronized and traffic is distributed across the network.
Question 24
Which OpenStack service provides big data services, allowing users to provision and manage Hadoop clusters?
a) Sahara
b) Trove
c) Neutron
d) Glance
Correct Answer: a) Sahara
Explanation: Sahara is the OpenStack module responsible for provisioning and managing big data services such as Hadoop clusters, enabling scalable data processing in the cloud.
Question 25
Which SDN security mechanism ensures network availability by replicating key network components across multiple locations?
a) Redundancy
b) Controller diversity
c) Dynamic device association
d) Fine-grained policy management
Correct Answer: a) Redundancy
Explanation: Redundancy ensures that key network components are replicated across multiple locations, maintaining network availability even if some components fail.
Question 26
Which OpenStack module enables users to manage shared file systems for virtual machines across compute instances?
a) Manila
b) Glance
c) Cinder
d) Trove
Correct Answer: a) Manila
Explanation: Manila is the OpenStack module responsible for managing shared file systems, allowing virtual machines to access shared storage across compute instances.
Question 27
Which SDN mechanism allows the network to dynamically recover from attacks by rearranging its configuration?
a) Shuffling
b) Replication
c) Controller-Switch trust
d) Dynamic device association
Correct Answer: a) Shuffling
Explanation: Shuffling dynamically rearranges the network configuration in response to attacks, helping to protect the network from further exploitation.
Question 28
Which OpenStack service provides database management capabilities, allowing users to deploy and manage database instances?
a) Trove
b) Neutron
c) Cinder
d) Swift
Correct Answer: a) Trove
Explanation: Trove is the OpenStack service that provides database-as-a-service (DBaaS), enabling users to deploy and manage relational and non-relational databases.
Question 29
Which SDN security mechanism involves dynamically adjusting how network devices are associated with controllers to improve security and performance?
a) Dynamic device association
b) Controller-Switch trust
c) Fine-grained data flow management
d) Controller diversity
Correct Answer: a) Dynamic device association
Explanation: Dynamic device association involves adjusting how network devices are linked to controllers, improving both network performance and security in SDN environments.
Question 30
Which OpenStack service allows 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 provides object storage in OpenStack, enabling users to store and retrieve large amounts of unstructured data such as media files or backups.
Question 31
Which SDN mechanism distributes traffic across multiple controllers to prevent overloading any single controller?
a) Controller diversity
b) Replication
c) Dynamic device association
d) Fine-grained data flow management
Correct Answer: a) Controller diversity
Explanation: Controller diversity distributes network traffic across multiple controllers, preventing overloading of any single controller and improving overall network resilience.
Question 32
Which OpenStack service is responsible for handling the management of virtual machine images?
a) Glance
b) Swift
c) Cinder
d) Neutron
Correct Answer: a) Glance
Explanation: Glance is responsible for managing virtual machine images in OpenStack, enabling users to store, catalog, and retrieve VM images for deployment.
Question 33
Which SDN API manages communication between the SDN controller and external applications, allowing applications to request network services?
a) Northbound API
b) Southbound API
c) East/Westbound API
d) Data plane
Correct Answer: a) Northbound API
Explanation: The northbound API manages communication between the SDN controller and external applications, allowing applications to request network services and influence the behavior of the network.
Question 34
Which OpenStack service provides big data processing capabilities, enabling users to manage Hadoop clusters and other big data frameworks?
a) Sahara
b) Trove
c) Neutron
d) Glance
Correct Answer: a) Sahara
Explanation: Sahara is the OpenStack module that provides big data services, allowing users to provision and manage Hadoop clusters and other big data processing frameworks.
Question 35
Which SDN security mechanism helps ensure secure communication between SDN controllers and network devices, preventing unauthorized flow insertion?
a) Controller-Switch trust
b) Dynamic device association
c) Fine-grained policy management
d) Replication
Correct Answer: a) Controller-Switch trust
Explanation: Controller-Switch trust ensures secure communication between SDN controllers and network devices, preventing unauthorized flow insertion by malicious entities.
Question 36
Which OpenStack service allows users to manage and orchestrate cloud resources and applications using templates?
a) Heat
b) Horizon
c) Glance
d) Neutron
Correct Answer: a) Heat
Explanation: Heat is the OpenStack service that allows users to manage and orchestrate cloud applications and resources by using predefined templates.
Question 37
Which SDN security mechanism helps defend against attacks by allowing dynamic reallocation of resources at various layers of the network?
a) Shuffling
b) Controller-Switch trust
c) Replication
d) Dynamic device association
Correct Answer: a) Shuffling
Explanation: Shuffling helps defend against network attacks by dynamically reallocating resources such as IP addresses, paths, or system configurations, making it difficult for attackers to target the network.
Question 38
Which OpenStack service provides object storage for storing and retrieving 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, allowing users to store and retrieve large amounts of unstructured data like media files or backups.
Question 39
Which SDN API manages communication between the control plane and the network devices like switches and routers?
a) Southbound API
b) Northbound API
c) East/Westbound API
d) Application plane
Correct Answer: a) Southbound API
Explanation: The southbound API manages communication between the control plane and network devices, enabling the SDN controller to issue forwarding instructions to switches and routers.
Question 40
Which OpenStack service provides a graphical user interface (GUI) for managing OpenStack services and resources?
a) Horizon
b) Glance
c) Swift
d) Cinder
Correct Answer: a) Horizon
Explanation: Horizon provides a graphical user interface (GUI) that allows users to manage OpenStack services, including compute, storage, and network resources, making it easier to interact with the cloud.
