OpenStack OpenStack MCQ 2 — Questions and Answers
Question 1: Which OpenStack service provides object storage with eventual consistency?
- Nova
- Cinder
- Swift (Correct answer)
- Glance
Correct answer: Swift
Swift is OpenStack's object storage service designed for scalability and eventual consistency.
Question 2: What is the purpose of the OpenStack Keystone service?
- Block storage management
- Identity and authentication (Correct answer)
- Network provisioning
- Image management
Correct answer: Identity and authentication
Keystone provides identity, authentication, and authorization services for all OpenStack components.
Question 3: Which Neutron network type creates an isolated virtual network using encapsulation like VXLAN?
- Flat network
- VLAN network
- Overlay network (Correct answer)
- External network
Correct answer: Overlay network
Overlay networks (e.g., VXLAN, GRE) encapsulate tenant traffic to allow isolated multi-tenant networking.
Question 4: In OpenStack Heat, what file format is used to define infrastructure stacks?
- JSON only
- YAML or JSON (HOT format) (Correct answer)
- XML
- TOML
Correct answer: YAML or JSON (HOT format)
Heat Orchestration Templates (HOT) support both YAML and JSON formats to describe infrastructure as code.
Question 5: Which OpenStack component is responsible for monitoring and metering resource usage?
- Horizon
- Ceilometer (Correct answer)
- Barbican
- Designate
Correct answer: Ceilometer
Ceilometer collects metering data across OpenStack services for billing and monitoring purposes.
Question 6: What is a 'flavor' in OpenStack Nova?
- A disk image template
- A virtual hardware profile defining vCPUs, RAM, and disk (Correct answer)
- A network configuration preset
- A security group template
Correct answer: A virtual hardware profile defining vCPUs, RAM, and disk
A flavor defines the virtual hardware configuration (vCPUs, RAM, disk) used when launching an instance.
Question 7: Which OpenStack service provides DNS as a Service?
- Designate (Correct answer)
- Barbican
- Magnum
- Sahara
Correct answer: Designate
Designate provides DNS-as-a-Service, managing DNS zones and records within OpenStack environments.
OpenStack OpenStack MCQ 2
Which OpenStack service provides object storage with eventual consistency?