How does Docker improve the security of web servers?

Docker isolates web server processes in separate containers

What is the primary advantage of using Docker for web servers?

Docker makes it easy to scale web servers horizontally on multiple hosts

What is the main disadvantage of using VMs over Docker for containerization?

VMs require more hardware resources and overhead to function

What is a Type One Hypervisor?

It's an OS for managing and creating VM's

What is a Type Two Hypervisor?

It's software that is installed on top of a OS for managing & creating VMs

What is the main advantage of using Docker bind mounts for storage?

They allow Docker containers to access data stored on the host system

When should you use a VM over a container?

When the user or workload needs access to the drivers

What is the main advantage of using Docker over VMs in a DevOps environment?

Docker enables faster and more efficient software deployment

How do Docker containers differ from virtual machines?

Docker containers share the host system's kernel and libraries

Docker help to reduce the risk of application conflicts and compatibility issues?

Containers have the same dependencies and libraries across environments

What is the advantage of using Docker for CI/CD pipelines?

Docker allows for consistent and repeatable builds and deployments

How does Docker help to optimize the use of hardware resources in a containerized environment?

Docker allows for fine-grained resource allocation and prioritization

How does Docker facilitate the use of load balancers with web servers?

Docker allows for automatic load balancing across multiple containers

How does Docker reduce the overhead of running multiple applications on the same host system?

Containers share system resources with the host like the kernel & libraries

How does Docker make it easier to deploy and manage web servers?

Docker provides a standard format for distributing web server apps

What is the difference between a Docker volume and a Docker bind mount?

Volumes is storage managed by Docker, bind mounts are managed by the host

How do Docker containers achieve better performance than VMs?

Docker containers are designed to use fewer system resources than VMs

What is the primary reason that Docker is more efficient than VMs?

Docker containers are smaller and faster to create

What is a Docker image?

A snapshot of a Docker container

What is the main disadvantage of using traditional virtualization for web servers?

Virtualization adds overhead and slows down web server performance

What is a Docker container?

A running instance of a Docker image

How does Docker facilitate collaboration of containerized applications between development and production teams?

Docker allows for version control and CI of containerized applications

What is a Dockerfile?

A template for building Docker images

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Questions 40

Answers

1
How does Docker improve the security of web servers?
Docker isolates web server processes in separate containers
Containers reduces suface area in which the software could be explotied
Docker provides built-in encryption and authentication features
Docker runs web servers are isolated from the host system
2
What is the primary advantage of using Docker for web servers?
Docker makes it easy to scale web servers horizontally on multiple hosts
Docker provides better performance and security for web servers
Docker allows for better multi-threaded performance
Docker eliminates the need for vm software, reducing overhead costs
3
What is the main disadvantage of using VMs over Docker for containerization?
I just work here
VMs are less secure and more vulnerable to cyber attacks
VMs are less portable and more difficult to deploy and manage
VMs require more hardware resources and overhead to function
4
What is a Type One Hypervisor?
It's software that is installed on top of a OS for managing & creating VMs
A web server
An overly large golfing hat
It's an OS for managing and creating VM's
5
What is a Type Two Hypervisor?
It's an OS for managing and creating VM's
Overly large eye protection that snowboarders use
It's software that is installed on top of a OS for managing & creating VMs
A web server
6
Which command is used to build a Docker image from a Dockerfile?
docker create
docker run
docker build
docker compose
7
What is the main advantage of using Docker bind mounts for storage?
They provide better security and isolation for Docker containers
They allow Docker containers to access data stored on the host system
They are faster and more efficient than other storage options
They allow multiple process to access the same data at the same time
8
What is the purpose of a Docker registry?
To store Docker images
To run Docker containers
To build Docker images
To manage Docker networks
9
When should you use a VM over a container?
Always K8 & Docker hurt my brian
When the work load would be more efficient on a VM
When the user needs access to the damons
When the user or workload needs access to the drivers
10
Which command is used to remove a Docker image?
docker rmi
docker delete
docker remove
docker stop
11
What is the main advantage of using Docker over VMs in a DevOps environment?
I just do what I'm told
Docker provides better security and isolation for containerized services
Docker makes it easier to manage and orchestrate containerized applications
Docker enables faster and more efficient software deployment
12
Docker is a ___________ platform?
It's not of these things
Partial
Module
Containerization
13
How do Docker containers differ from virtual machines?
Docker containers have drivers that allow it to process HTTP request faster
Docker containers are completely isolated from the host system
Docker containers share the host system's kernel and libraries
Docker containers require their own hardware resources to function
14
Which command is used to remove a Docker container?
docker rm
docker stop
docker delete
docker remove
15
Which command is used to push a Docker image to a registry?
docker push
docker pull
docker build
docker run
16
Docker help to reduce the risk of application conflicts and compatibility issues?
Containers have the same dependencies and libraries across environments
Docker containers can be isolated from each other and from the host system
Doesn't windows check for compatibility?
Docker containers can be easily migrated
17
Which instruction in a Dockerfile is used to set the working directory for the container?
ENV
ARG
WORKDIR
RUN
18
What is the advantage of using Docker for CI/CD pipelines?
Docker provides better integration with popular DevOps tools and platforms
NOT FAIR! We never talked about CI nor CD.
Docker allows for consistent and repeatable builds and deployments
Docker enables faster testing and deployment of containerized applications
19
How does Docker help to optimize the use of hardware resources in a containerized environment?
The host OS is designed for containers
Docker provides automatic load balancing and resource scaling
Docker allows for fine-grained resource allocation and prioritization
Docker is a lightweight virtualization that resues the Kernal & Libraries
20
How does Docker facilitate the use of load balancers with web servers?
Docker provides built-in load balancing functionality for web servers
K8 is what does the load balancing
Docker allows for automatic load balancing across multiple containers
Docker integrates seamlessly with third-party load balancing solutions
21
Which instruction in a Dockerfile is used to copy files or directories from the host system to the container?
COPY
RUN
CMD
ADD
22
What is the default storage driver for Docker on most Linux distributions?
Btrfs
Device Mapper
ZFS
Overlay2
23
How does Docker reduce the overhead of running multiple applications on the same host system?
Special software, special results. That simple
Containers share system resources with the host like the kernel & libraries
Containers can be easily scaled up or down pending on resource demands
Docker containers have access to more system resources than VMs
24
How does Docker make it easier to deploy and manage web servers?
All server deployments are hard. Much like life
Docker allows for integration with popular DevOps tools & platforms
Docker automates the process of setting up and configuring web servers
Docker provides a standard format for distributing web server apps
25
What is Docker?
A server operating system
A containerization platform
A web server
A virtual machine
26
Which command is used to pull a Docker image from a registry?
docker push
docker build
docker pull
docker run
27
What language is Docker made in?
C++
C#
NodeJS / JavaScript
Golang
28
Which command is used to run a Docker container?
docker stop
docker create
docker start
docker run
29
What is the difference between a Docker volume and a Docker bind mount?
A volume is a temp storage on ram. While bind mounts are on a network share
Volumes is storage managed by Docker, bind mounts are managed by the host
A volume and a bind mounts are the same but with different drivers
Bind moutns are network shares while volumes are on the host
30
How do Docker containers achieve better performance than VMs?
I have relized that tech is not for me. Grifter is the life for me
Docker containers have access to the host system's hardware resources
Docker containers are designed to use fewer system resources than VMs
Docker containers are optimized for micro & containerized services
31
Which command is used to list running Docker containers?
docker containers
docker ls
docker ps
docker status
32
What is the primary reason that Docker is more efficient than VMs?
Docker containers have access to more system resources
Docker containers are smaller and faster to create
Docker containers can run multiple operating systems simultaneously
Docker scales dynamically in a way that VMs can't
33
What is the web development concept that allows for a client to manage multiple Docker host?
HTTPS
REST API
SOAP API
GraphQL
34
What is a Docker image?
A virtual machine
A running instance of a Docker container
A server operating system
A snapshot of a Docker container
35
What is the main disadvantage of using traditional virtualization for web servers?
Takes to long to deploy and is not worth the effort
Virtualization makes it difficult to scale web servers horizontally
Virtualization adds overhead and slows down web server performance
Virtualization software requires a dedicated server
36
Which storage driver is recommended for use with Docker on Windows Server 2019?
NTFS
XFS
Overlay2
ReFS
37
Which instruction in a Dockerfile is used to specify the default command to run when a container is started?
CMD
WORKDIR
RUN
ENTRYPOINT
38
What is a Docker container?
A running instance of a Docker image
A server operating system
A virtual machine
A web server
39
How does Docker facilitate collaboration of containerized applications between development and production teams?
Standardized format for container images across platforms
Docker allows for version control and CI of containerized applications
Easy migration of containerized apps between environments and host
Wait. I thought Docker and K8 was networking
40
What is a Dockerfile?
A configuration file for Docker Compose
A template for building Docker images
A snapshot of a Docker container
A running instance of a Docker container

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