Multiple Choice and Conceptual Actual
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1. What is provisioning - ANSWER - To prepare a server with systems, data,
and software and make it ready for network operations
2. Server provisioning tools example - ANSWER puppeteer, sensible, chef,
bash scripts, poweshell, cloud-iniit
3. What are you doing when you launch a cloud server and configure it? -
ANSWER you are provisioning
4. What is deployment? - ANSWER act of delivering a version of your
application to run a provisioned server.
5. mentions some deployment tools - ANSWER AWS codePipline, Harness,
Jenkins, Github Actions, CircleCI
,6. What is Orchestration? - ANSWER act of coordinating multiple systems
or services
7. Orchestration is a common term when working with what? - ANSWER it
is a common tool when working with micorservices, container and
Kubernetes.
8. What is configuration drift? - ANSWER when provisioned infrastructure
has an unexpected configuration change due to:
- Team member manually adjusting configuration options in GUI
- malicious actors
- side effects from APIs, SDK or CLIs
9. how can you detect configuration drift? - ANSWER - compliance tool
that can detect misconfiguration like AWS Config, GCP security health,
Azure Policies etc
- Built in support for drift detecting eg. AWS CloudFormation Drift
Detection
- Storing the expected state. eg. terraform state files
10.Ways to correct configuration drift - ANSWER - Complicance tool like
AWS config
- Terrafrom refresh nd plan commands ( not recommended)
- Manually correcting the configuration (not recommended)
- Tearing down the infrastructure and setting it up again.
11.How we can prevent Configuration Drift? - ANSWER - immutable
infrastructure, always create and destroy. never reuse.
, - Servers are never modified after that are deployed
- Baking AMI image or container via AWS image build or hashi corp's
packer
-Use GitOps to version control
12.Mutuable infrastructure - ANSWER Develop - Deploy - Configure
13.What happens in a mutable infrastructure in Develop - Deploy - Configure? -
ANSWER A VM is deployed and then a configuration management tool
like sensible, puppet, chef, salt us used to configure the state of the server
14.Immutable infrastructure - ANSWER Develop - Configure - Deploy
15.What happens in an immutable infrastructure in Develop - Configure and
Deploy? - ANSWER When a VM is launched and provisionedm it Is
turned into a virtual image and stored In an image repository, That image is
used to reply VM instances.
16.What is GitOps - ANSWER when you take IAC and you use use a git
repository to introduce a formal process to review and accept changes to
infrastructure code, and when code is accepted, it automatically triggers a
deploy.
17.what does terraform encourages you towards? - ANSWER encourages
an immutable infrastructure.
, 18.what guarantees does immutable infrastructure gives you? - ANSWER -
Cloud resource failure
- Application failure
- Time to Deploy
19.Advantage of golden/baked images - ANSWER - Guarantee of 1-1 to
with your fleet
- increased assurance of consistency, security
- speeds up your deployments
20.What is HashiCorp? - ANSWER Open sources tools used to support the
development an deployment of large-scale service-oriented software
installations.
21.HCP services are what? - ANSWER They are cloud agnostic
22.What is Boundary? - ANSWER secure remote access to system based on
trusted identity
23.What is Consul? - ANSWER provides a full-features service mesh for
secure service segmentation across any cloud or runtime environment and
distributed key-value storage for application configuration
24.What is Nomad? - ANSWER Scheduling and deployment of tasks across
worker nodes in a cluster