ITN 200 Mod 10

Alya runs the following command in Windows PowerShell: docker run -d -p --name cont1 kerinapp. What does the -d option do in this scenario?

-d is for debug and enables debug mode

Describe Windows Subsystem for Linux (WSL).

A compatibility layer to run Linux execs on Windows 10+.

LCOW requires that each Linux container run on a separate Linux kernel and achieves this by automatically running each Linux container as a Hyper-V container.

True

To run a Windows Web app in a public cloud using SaaS, you will need to create, configure, and maintain the associated Windows Server 2019 virtual machine on the public cloud provider's hypervisor.

False

Why does IIS contain an FTP server service? What is the alternative option for Web app developers who do not want to use this service?

IIS contains it because it sends HTML pages and files. Alternatives are SFTP and FTPS.

Runako wants to build a social networking website and host it using a PaaS provider. The social networking website will have users posting and sharing large quantities of media such as videos and images. He is currently evaluating the storage options that the app will need. Which of the following storage options should Runako use and why?

Object storage, because it allows a Web app to directly store objects

After downloading a container image from Docker Hub, you create multiple containers using the docker run command. After a few minutes, you download another container image and create multiple containers. Upon noticing that you are running out of system resources, you decide to stop some containers. Which of the following commands is the best choice to view the containers that are currently running?

PS C:\> docker ps

Valentina decides to install the Docker EE package on a Windows server. She wants to download the latest stable version of the package, so she chooses to install Docker using the DockerMsftProvider module. She enters the following commands in the Windows PowerShell window: PS C:\> Install-Module -Name DockerMsftProvider -XXXX psgallery -Force PS C:\> Install-Package -Name docker -ProviderName DockerMsftProvider Identify the correct code that should replace XXXX.

Repository

Asher, a system administrator, wants to run containers on Windows Server 2019. He chooses to install Docker using the Windows containers component. Which of the following is a service that will help Asher manage and run Docker containers on the server?

Docker daemon

Explain the use of virtual NAT routers by Docker EE to allow users access to Web apps running in containers.

Docker uses NAT rules to allow docker to communicate beyond the host.

Emory install the WSL feature on a Web server. Next, she installs an Ubuntu Linux distribution and creates a new Linux user account, EmoryJ. She logs into the Ubuntu system using this user account. Which of the following is true of this scenario?

Emory can use the EmoryJ user account to run administrative commands as the root user.

Britta, a system administrator, is managing a website that is running on an IIS web server. Recently, the website was redesigned, and some portions of the website were deleted. Search engines carry links to these deleted portions for specific searches. Britta wants to ensure that when users click on links to deleted portions of the website, they're redirected to a section of the website. Which of the following IIS configuration features should Britta use?

Error Pages

Ezra wants to install Docker on a Windows Server 2019 server. He has two options to download and install the Docker Enterprise Edition—either Microsoft or Docker. He chooses to download the package using the DockerProvider Windows PowerShell module. Which of the following justifies Ezra's choice?

Ezra intends to run Linux containers on the server.

Kenshin builds a collaboration tool using ASP.NET that allows users to discuss and share files with each other. The files are stored in a Web server on a platform managed by a cloud service provider. Which of the following IIS role services is integral to the file-sharing feature in Kenshin's Web app?

FTP Server

Block storage can easily be shared by several different Web apps, virtual machines, or containers.

False

The IUSRS group in an Active Directory domain or workgroup is used to provide anonymous access to both website and Web app content.

False

VLX Learning Media provides IT training solutions to corporates. For the lab activities in these training sessions, the company runs the lab setup on virtual machines. These virtual machines are hosted by another company, VirtualFMZ, on its servers, but VLX installs and manages the virtual machines, including the different software applications that are required for various training offerings. Which of the following cloud delivery models is exemplified in this scenario?

Infrastructure as a Service

Mateo uses the following command to search Docker Hub for containers that have IIS installed: PS C:\> docker search iis. The search returns the following options: microsoft/aspnet, microsoft/iis, nanoserver/iis. Mateo wants to download the latest version of the microsoft/iis container from Docker Hub. Which of the following commands can Mateo run to achieve this result?

PS C:\> docker pull microsoft/iis

Skyfelt Graphics is a company that does not own any of the hardware or operating systems on which it creates and runs its Web app containers. These components are owned, maintained, and operated by a cloud provider. Which of the following cloud delivery models is Skyfelt using?

Platform as a Service

Ralph uses Docker EE to run his Web apps in containers. He builds a new app to process financial information provided by customers and file taxes. Owing to the sensitive nature of this information, Ralph wants to use secure containers that would also provide greater stability and performance. What should Ralph do?

Run containers as a non-root user, configure resource quotas, monitor API and network security, etc

Merlyn, a developer at Enigma Designs, wants to host a Windows Web app in a public cloud. She prefers to build the app and host it with a public cloud provider. She does not want to deal with the back-end configuration such as setting up the Windows Server 2019, IIS, and Web app frameworks. Which of the following options should Merlyn choose?

SaaS

Soha wants to build a Web app that analyzes financial details of users and provides them with investment advice. She will be running this app on a public cloud using IIS. If Soha wants to take advantage of applications pools to improve security of her Web app, which of the following should she do?

She should create the Web app using ASP.NET.

Maqsud installs IIS on a Windows Server 2019 server. To allows users to connect to Default Web Site using HTTPS, he installs an HTTPS encryption certificate on the Web server. Next, he configures Default Web Site to respond to HTTPS requests. However, when users connect to the website using HTTPS, they receive a security warning. Which of the following is most likely causing this issue?

The FQDN in the HTTPS certificate does not match the Web server FQDN.

Lin chooses to run a Windows Web app in a public cloud environment using IaaS. She wants to optimize the cost of running the application on the cloud. Which of the following options should Lin choose?

She should install a small footprint virtual machine.

What makes Nano Server container images great for Web Apps?

Smaller server images, less updates, more disk space.

Explain continuous deployment.

Software development 's code cages are released automatically into the production environment.

You set up a Windows Server 2019 system and install the Docker EE package. The server also has IIS installed. Next, you enable LCOW and run a Linux container. Which of the following is true of this scenario?

The Linux kernel provided by Docker runs on the Hyper-V hypervisor.

TravelBugz is a website that reviews accommodations and holiday destinations. Users of the website can post their own reviews. Users can use the TravelBugz app too instead of the website if they want to. The app and website both directly access the Web app running on the cloud to store and retrieve data. Which of the following is true of this scenario?

The TravelBugz app communicates with the Web app using the TCP/IP protocol.

How does the cloud differ from the World Wide Web of the 1990s?

The cloud's architecture is different as it's on a local computer while the WWW needs a internet connection

Viola, a system administrator, installs IIS on a Web server and creates two websites. She installs the necessary HTTPS encryption certificate on the server and proceeds to bind the HTTPS protocol to the first website using default settings. This binding is successful. Next, she proceeds to bind the HTTPS protocol to the second website. Which of the following is most likely to cause an issue when binding the HTTPS protocol to the second website?

The first website is using port 443, so the second website cannot use the same port.

You enable LCOW on a Windows Server 2019 system that already has IIS installed. The server is also used to run Windows containers. Next, you download and run some Linux containers. You disable LCOW and run the docker images command. What will be the result in this scenario?

The list of Windows container images will be displayed

Theodore installs a Fedora Linux distribution on a Windows Server 2019 server. He initially uses the sudo command to perform system administration on the Linux system. Later, he opens a new command prompt and runs some more administrative commands. Which of the following must be true if Theodore did not use the sudo command during the second round of administrative changes?

Theodore used the sudo passwd root command.

Describe the use of virtual directories in the context of Web servers.

They gather identity data from databases, applications, web services, etc

Container images that are based on Nano Server must be run as Hyper-V containers.

True

Describe the need for and process of changing the default folder for downloaded container images.

You may need a larger partition and in order to switch the folder you can move the contents by using a bind mount for the new location.

Isabella installs a Fedora Linux distribution on a Windows Server 2019 server. Next, she installs the Apache Web server on this system. Because the server is also running IIS that uses port 80, Isabella modifies the port number for the Apache Web server. Which of the following commands must Isabella run to ensure that she did not make a syntax error during the recent change?

apachect1 configtest

You download multiple container images from Docker Hub and create containers using the docker run command. After a few days, you notice that the list of containers that you have run is quite large. Which of the following commands can you use to shorten this list?

docker container prune