A popular open-source operating system kernel

What's the purpose for outputs?

To display information and pass data between modules and configurations

What is Elastic Load Balancing (ELB) and its types?

A service that distributes incoming traffic; Application, Network, Classic

What is AWS CloudFormation?

A service for automating AWS resource setup using templates

What does a Kubernetes Ingress resource do?

Exposes HTTP and HTTPS routes to services

What is a Docker image?

A read-only template with instructions for creating a Docker container.

What is Amazon CloudFront?

A content delivery network (CDN) for speeding up web content delivery

An open-source container orchestration system

What is data source in Terraform?

A method to retrieve external information for use in your configuration

What is Amazon Route 53?

A DNS web service for domain name management and routing traffic

In networking, what does the term "subnetting" refer to?

Dividing a network in two or more smaller networks

What is the Linux kernel?

The core of the Linux OS managing system resources and hardware

Which of the following is stateless, meaning you must specify both inbound and outbound rules explicitly?

Network Access Control List (NACL)

What is the purpose of modules in Terraform?

To simplify and reuse infrastructure code across different projects

What is a snapshot, and what is it used for?

A copy of data at a specific point in time; used for backup and recovery

What is a StatefulSet in Kubernetes?

A set of pods with unique identities

A version control system for tracking code changes & enabling collaboration

What is remote state lock in Terraform?

A mechanism to prevent concurrent modifications to the state file

A way to divide cluster resources between multiple users.

What is the purpose of the Domain Name System (DNS)?

To translate domain names into IP addresses

What is the Docker daemon?

A background service responsible for managing Docker objects.

What does the kubectl command do?

It manages and interacts with Kubernetes clusters

What is a CNAME record used for in DNS?

Mapping a domain name to another domain name

What are environmental variables?

Key-value pairs configuring containers in pods.

What is a Terraform provider?

A plugin that allows Terraform to interact with different cloud services

What is a "daemon" in the context of Linux?

A background process that runs continuously to perform system tasks

What are dependencies in Terraform?

Resources that rely on each other, determining creation or destroy order

What does the `chmod` command do in Linux?

Change the permissions of a file

A collection of nodes that work together to run containerized applications

What is the purpose of a Dockerfile?

To specify the instructions needed to build a Docker image

What is AWS Auto Scaling Group (ASG)?

A group of EC2 instances that automatically adjusts based on demand

studbud

Are you a DevOps Engineer?

80 termsStudBud Administration62 plays

Beginning to Intermediate Questions on a few of the topics: Linux and Networking, AWS Cloud, Git, Python, Terraform, Docker, and Kubernetes.

Flashcards80 cardsFPractice quizPHost liveL

Questions 80

Answers

1
Which of the following is stateful, meaning it automatically allows return traffic regardless of the inbound rules?
Neither NACL nor SG
Both NACL and SG
Network Access Control List (NACL)
Security Group (SG)
2
Which AWS service offers lifecycle management policies to move data to lower-cost storage classes over time?
Amazon EFS
Amazon EBS
Amazon S3
AWS Backup
3
Which AWS service helps you monitor and log AWS account activity?
AWS VPC
AWS CloudTrail
Amazon CloudWatch
Amazon EC2
4
What is Linux?
A proprietary software used for web development
A popular open-source operating system kernel
A type of database management system
An application software used for photo editing
5
Which AWS service is used for storing objects such as files and media?
Amazon S3
Secrets Manager
Amazon RDS
Amazon EC2
6
What's the purpose for outputs?
Temporary data storage used for debugging
To manage resource dependencies
To display information and pass data between modules and configurations
Used for tracking changes and errors
7
What is Elastic Load Balancing (ELB) and its types?
A service for managing user permissions; IAM Roles and IAM Policies
A service for storing files; S3 and Glacier
A service that distributes incoming traffic; Application, Network, Classic
A virtual server service; types include EC2 and LightSail
8
Which command is used to initialize a new Git repository?
git start
git init
git new
git create
9
What is AWS CloudFormation?
A service for monitoring and logging AWS resources
A service for automating AWS resource setup using templates
A service for managing user identities and permissions
A service for delivering web content quickly
10
What does a Kubernetes Ingress resource do?
Controls access to the Kubernetes API
Exposes HTTP and HTTPS routes to services
Manages persistent storage
Manages pod lifecycle
11
What is a Docker image?
A read-only template with instructions for creating a Docker container.
A live environment where Docker containers run.
A snapshot of a Docker container at a specific point in time.
A tool used to manage Docker containers.
12
What is Amazon CloudFront?
A virtual server service for running applications in the cloud
A database service for storing data efficiently
A content delivery network (CDN) for speeding up web content delivery
A service for sending bulk emails quickly
13
What is Kubernetes?
A version control system
A programming language used for cloud computing
An open-source container orchestration system
A web server software
14
What is data source in Terraform?
A way to define reusable components
A plugin for integrating with other tools
A tool for managing state files
A method to retrieve external information for use in your configuration
15
What is Amazon Route 53?
A content delivery network (CDN)
A database management service
A DNS web service for domain name management and routing traffic
A service for monitoring AWS resources
16
How do you stage changes for the next commit in Git?
git add .
git status
git push
git commit -m "message"
17
In networking, what does the term "subnetting" refer to?
Combining multiple networks into a larger network
Dividing a network in two or more smaller networks
Assigning IP addresses dynamically
Encrypting network traffic
18
Which service is designed to be used as primary storage for database workloads?
Amazon EFS
Amazon EBS
Amazon Glacier
Amazon S3
19
Which Kubernetes component runs on every node and communicates with the master?
kube-scheduler
kube-controller-manager
etcd
kubelet
20
Which command is used to create a new Docker container?
docker commit
docker build
docker init
docker run
21
What is the Linux kernel?
A networking tool for monitoring traffic
The core of the Linux OS managing system resources and hardware
A programming language for web development
A user interface for managing files in Linux
22
Which command is used to display the running processes in Linux?
ps
kill
top
jobs
23
What is a Kubernetes cluster made up of?
Deployments
Containers
Pods
Nodes
24
Which of the following is stateless, meaning you must specify both inbound and outbound rules explicitly?
Security Group (SG)
Neither SG nor NACL
Network Access Control List (NACL)
Both SG and NACL
25
What is the purpose of modules in Terraform?
To convert Terraform code into machine code
To monitor and log resource usage
To provide user interface for managing resources
To simplify and reuse infrastructure code across different projects
26
What is a snapshot, and what is it used for?
A method for encrypting data; used for securing sensitive information
A tool for migrating data; used for transferring data between regions
A real-time monitoring tool; used for tracking system performance
A copy of data at a specific point in time; used for backup and recovery
27
What is a StatefulSet in Kubernetes?
A group of services
A stateless application deployment
A network policy
A set of pods with unique identities
28
What is Git?
A programming language for web development.
A version control system for tracking code changes & enabling collaboration
An integrated development environment (IDE) for writing & debugging code.
A project management tool for tracking tasks & deadlines.
29
What is remote state lock in Terraform?
A tool for managing Terraform modules
A mechanism to prevent concurrent modifications to the state file
A way to automate infrastructure deployments
A feature to secure state files with encryption
30
Which object in Kubernetes is used to define how to run a container?
Secret
Deployment
Ingress
ReplicaSets
31
What are namespaces?
Tools for network traffic management.
Storage classes in Kubernetes.
Types of nodes in a cluster.
A way to divide cluster resources between multiple users.
32
What is the purpose of the Domain Name System (DNS)?
To translate domain names into IP addresses
To manage network routing
To encrypt data for secure transmission
To assign IP addresses to devices
33
What is the Docker daemon?
A command-line interface for managing Docker images.
A storage service for Docker container data.
A network protocol used for Docker container communication.
A background service responsible for managing Docker objects.
34
What does the kubectl command do?
It deploys and scales cloud-native databases
It tracks network traffic and logs
It manages and interacts with Kubernetes clusters
It powers up virtual machines in the cluster
35
What is a CNAME record used for in DNS?
Mapping a domain name to an IP address
Mapping a domain name to a server alias
Mapping a domain name to another domain name
Mapping a domain name to a mail server
36
What are environmental variables?
Variables that manage the external state of a pod.
Security settings that isolate pod communications.
Kubernetes commands for handling logs.
Key-value pairs configuring containers in pods.
37
What are the three main elements of Docker?
Images, Containers, Daemons
Images, Volumes, Clusters
Images, Clusters, Containers
Images, Registries, Daemons
38
Which language does Terraform use to define infrastructure resources?
JSON
XML
YAML
HCL
39
What is a Terraform provider?
A script for automating deployments
A plugin that allows Terraform to interact with different cloud services
A module that defines reusable components
A storage service for Terraform state files
40
Which AWS service is used to manage user identities and permissions?
Amazon EC2
Amazon S3
AWS IAM
Amazon RDS
41
Which type of database is best suited for applications requiring complex transactions and data integrity?
Relational database
Time series database
Data warehouse
Non-relational database
42
Which service is more cost-effective for high-throughput workloads that require frequent file access?
Amazon EFS
Amazon EBS
Amazon S3
Amazon Glacier
43
Which command is used to check disk space usage in Linux?
ls
df
ps
diskcheck
44
What is a "daemon" in the context of Linux?
A user account
A graphical user interface application
A background process that runs continuously to perform system tasks
A type of virus
45
What are dependencies in Terraform?
Modules that define reusable infrastructure code
Resources that rely on each other, determining creation or destroy order
Variables used to store configuration values
Commands for managing infrastructure
46
What command is used to access MySQL database as a root user in your local machine?
mysql -u root -h localhost
mysql root
mysql -u root -p
mysql -root -password
47
What does the `chmod` command do in Linux?
Change the name of a file
Change the owner of a file
Change the group of a file
Change the permissions of a file
48
Which Linux command is used to display the last few lines of a file?
cat
tail
less
head
49
What is a cluster?
A single computer managing multiple networks
A collection of nodes that work together to run containerized applications
A command used to deploy applications in Kubernetes
A type of data storage used by databases
50
What is the purpose of a Dockerfile?
To specify the instructions needed to build a Docker image
To automate the deployment of containers
To store container logs
To define a container's network settings
51
What is AWS Auto Scaling Group (ASG)?
A service for monitoring a group of AWS resources
A service for managing databases
A group of EC2 instances that automatically adjusts based on demand
A service for delivering web content quickly
52
What is PVC (Persistent Volume Claim)?
A request for pods by a user.
A networking term in Kubernetes.
A claim to access node resources.
A Kubernetes API object that requests storage resources defined in a PV.
53
What is PV (Persistent Volume)?
A policy that governs access to nodes.
A secret vault for configuration files
A Kubernetes API object that represents a piece of storage in the cluster.
A tool for monitoring cluster health
54
What is Terraform?
A version control system
A continuous integration and deployment tool
A container orchestration tool
An open-source Infrastructure as Code tool for managing cloud resources
55
Which keyword is used to define a function in Python?
if else
func
def
define
56
What is kops?
A tool for managing Kubernetes clusters on cloud platforms
A Kubernetes dashboard extension
A container registry
A monitoring tool for Kubernetes clusters
57
What is Docker?
A platform for developing, shipping, & running apps in containers.
A version control system.
A virtual machine manager.
A web development framework.
58
Which type of database is often used for big data and real-time web applications?
Non-relational database
Document store
Relational database
In-memory database
59
What is GitHub?
A web-based platform for version control and collaboration using Git
An integrated development environment (IDE) for writing and debugging code.
A programming language for web development.
A project management tool for tracking tasks and deadlines.
60
What is EC2 and why do we need it?
A virtual server service for running applications in the cloud
An email marketing service for sending bulk emails
A content delivery network for speeding up web content
A database management system for storing and retrieving data
61
What is etcd?
A container name
A network load balancer
A monitoring tool
A distributed key-value store used by Kubernetes
62
What is the default port number for HTTP?
53
443
80
22
63
Why would we create our own AMI?
To increase the storage capacity of EC2 instances
To reduce the cost of EC2 instances
To create customized EC2 instances with pre-configured software
To ensure compliance with security policies
64
What does a Service in Kubernetes do?
Exposes applications running on a set of Pods
Stores container images
Controls network traffic
Manages containers
65
What is the purpose of NFS?
Used to provide database services
Used to manage network security
Used for storing structured data in the cloud
Used for sharing files over a network
66
Which command is used to build a Docker image from a Dockerfile?
docker create
docker build
docker start
docker compile
67
What is a Docker container?
A storage unit for files
A package that includes everything needed to run an application
A trailer attached to a truck
A virtual machine
68
What is the purpose of a Terraform state file?
To store configuration variables
To define the desired state of infrastructure
To manage user permissions
To keep track of infrastructure resources managed by Terraform
69
Which OSI model layer is responsible for routing packets between devices across different networks?
Session Layer
Data Link Layer
Network Layer
Transport Layer
70
What is Kubernetes API?
A logging and monitoring framework
A plugin for integrating Kubernetes with CI/CD pipelines
A command-line tool for managing Kubernetes
The interface for managing the state of the Kubernetes cluster
71
What is Python?
A web browser
A database management system
A high-level programming language
A type of snake
72
What is the purpose of the terraform.tfvars file?
To store sensitive information securely
To provide default values for variables
To define the desired state of infrastructure
To specify backend configuration for state storage
73
Which AWS service helps you monitor and manage your applications and infrastructure?
AWS CloudFormation
Amazon CloudFront
AWS CloudTrail
Amazon CloudWatch
74
What is the smallest deployable unit in Kubernetes?
Service
Node
Cluster
Pod
75
Which command is safer to use to avoid potential merge conflicts when updating your branch?
git merge
git fetch
git pull
git clone
76
What is the purpose of a ConfigMap in Kubernetes?
To store secret data
To scale deployments
To manage network policies
To store non-confidential configuration data
77
What is a Terraform module?
A collection of configuration files used to define multiple resources
A binary executable for running Terraform commands
A plugin for integrating with other tools
A single configuration file
78
What are the four main commands to build the Dockerfile?
FROM, RUN, COPY, CMD
COPY, SAVE, UPDATE, DELETE
ADD, COMMIT, PUSH, COMPLETE
RUN, CMD, ENTRYPOINT, BUILD
79
What is the purpose of Amazon VPC?
To create isolated networks within the AWS cloud
To store large files
To deliver video content
To manage user permissions
80
What is the correct file extension for Python files?
.ph
.py
.pyt
.pt

Are you a DevOps Engineer? Flashcards | StudBud