Enterprise computing midterm
Kristoffer creates a PowerShell script to automatically execute a set of tasks on system startup. He uses variables in his script to accomplish certain tasks. He is using a variable to filter out certain conditions during which the script should not execute. Which of the following names can Kristoffer use for the variable?
$count
What is the IP address that is assigned to the network loopback interface?
127.0.0.1
Generation 2 virtual machine
A Hyper-V virtual machine that emulates newer hardware and performs faster than a Generation 1 virtual machine
generation 1 virtual machine
A Hyper-V virtual machine that emulates older hardware.
What are PowerShell providers? List some examples.
A PowerShell plug-in that manages a certain area of the system. A good example is filesystem provider
Hyper-V
A Type 1 hypervisor created by Microsoft.
docker
A common software that allows operating systems to host containers.
client
A computer on the network that requests resources or services from another computer on a network.
Hyper-V container
A container that is provided a separate copy of the Windows Server 2019 kernel via components provided by Hyper-V.
uninteruptible power supply (UPS)
A device that contains battery storage and is used to supply power to computers in the event of a power outage.
What is a domain, and how does it affect computers and users that are members of the domain?
A domain is a grouping of computers that authenticate to a central database of users stored on special servers. With it you can protect computers and the network because it only gives people access to things they're allowed to have access to.
Nested Virtualization
A feature of Hyper-V that allows you to run virtual machines within other virtual machines.
checkpoints
A feature of many hypervisors that allows you to restore a virtual machine to a previous point in time.
snapshots
A feature of many hypervisors that allows you to restore a virtual machine to a previous point in time.
Second-Level Address Translation (SLAT)
A hardware-assisted virtualization technology available in modern processors that coordinates the use of memory between virtual machines and physical memory.
Type 2 hypervisor
A hypervisor that runs as a program within an operating system.
workgroup
A logical grouping of computers on a network that implement peer-to-peer networking.
domain
A logical grouping of computers on a network that provides centralized management and single sign-on.
peer-to-peer networking
A network design in which each computer manages access to its own resources independently.
What is a root key and which are the five root keys that exist in the Windows Server 2019 Registry?
A root key is a primary or highest level catergory of data contained in the Windows registry. The five root keys are HKEY_LOCALMACHINE HKEY_CURRENT_USER HKEY_USERS HKEY_CLASSES_ROOT HKEY_CURRENT_CONFIG
cloud servers
A server that is located within a data center on the Internet.
domain controllers
A server within a domain that authenticates other computers and provides for centralized management.
Storage Area Network (SAN)
A storage array that is accessed by one or more servers on a server rack.
Solid State Drive (SSD)
A storage device that is comprised of non-volatile memory chips.
What is a subnet mask in the context of IPv4? Explain with an example.
A subnet mask tells you which part of your IP address is the Network ID and which part is the Host ID. For example with a subnet mask of 255.255.0.0 and an IP address of 192.168.090.156 the subnet mask can tell us that the Network ID is 192.168 and the Host ID is 090.156. In other words the first half of the subnet mask is the Network ID and the last half is the Host ID.
containers
A subset of an operating system that provides a unique service on the network.
rackmount servers
A thin form factor used to house server hardware that is installed in a server rack.
guest operating system
A virtual operating system that is run on a hypervisor.
virtual machines
A virtual operating system that is run on a hypervisor.
Non-Volatile Memory Express (NVMe)
An SSD technology that provides fast transfer speeds within a small form factor.
Raphael has successfully installed the Essentials Edition of Windows Server 2019 on his computer. He's completing some post-installation configuration tasks including naming the server. He has four options.
COR-WEB-12 because it contains allowed characters and is shorter than 15 characters
You are in the process of installing Windows Server 2019 Standard Edition on your computer. You have downloaded the corresponding ISO file and burned it to a DVD.
Change the boot order in BIOS
Linwood is the IT manager of a small organization, Turtle Designs, with less than 50 employees. Caroline, his boss, asks him to set up a computer that will act as the central repository for the company's data. Linwood estimates the costs and suggests using an Internet-based service instead.
Cloud based server
Candice, a graphic designer, attaches a new portable hard disk to her computer. She can connect to the hard disk immediately without installing any drivers. After some time, she turns on the second monitor attached to her computer. The display malfunctions despite being connected to the computer and receiving adequate power supply. What is the most likely explanation for this issue?
Computers contain a limited number of IRQ lines.
Ivan is the IT administrator at Alphina Systems. He wants to be able to plug and unplug his hardware devices without using the Safely Remove Hardware option. What should Ivan do?
Disable file caching and flushing
Don is the system administrator for an organization that conducts virtual IT training sessions. Each participant, during these training sessions, creates multiple unique applications to address various problems. The applications have different hardware resource requirements. Don needs to set up a virtual lab with twenty Windows operating systems on 1 TB storage space for two different training programs.
Don should use thin provisioning.
A limitation of Windows PowerShell is that it cannot be used to install or remove Windows roles.
False
The Windows 10 Education edition supports Hyper-V but not nested virtualization.
False
Thandiwe is using a server running the Windows Server 2019 operating system. She notices some of the server's services are not functioning as intended. She suspects that a recent update may have caused this issue. While troubleshooting, she intends to look up the list of recently installed updates. She runs the following command: X | ogv Complete the command by selecting the missing component identified by X.
Get-HotFix
You are experiencing problems during the installation of Windows Server 2019. More specifically, critical file extensions have lost their associated program data. You need to restore the settings from a Registry backup.
HKEY_CLASSES_ROOT
AMD-V
Hardware-assisted virtualization support available in some AMD processors.
Intel VT
Hardware-assisted virtualization support available in some Intel processors.
Rafiq uses Windows 10 Professional. He has enrolled in a Windows Server course. How can he practice the lab exercises on his system?
He can go practice them on a Virtual Machine or find a website that'll let him practice it (like MindTap)
What are the interrupt request (IRQ) line and Input/Output (I/O) address resources on a computer used for?
IRQ: channel for communication on the processor I/O: An area of memory dedicated for the transfer of information to and from a hardware device
When using the Best Practices Analyzer (BPA) to verify server roles, what are the three levels of severity for problems?
Information: a recommended change Warning: The role complies under current operating conditions, but this may change if the operating conditions change Error: role can't fulfill its purpose and problems can be expected
Which of the following statements is true of a client on a computer network?
It is a computer that requests for resources from another computer on the network.
Janice has set up a Windows Server 2019 lab environment to practice labs related to her training. The base operating system is Windows 10. She has three Windows Server virtual machines running. If one of the virtual machines is running inside another virtual machine, which of the following must also be true?
Janice has enabled nested virtualization on the Windows 10 operating system.
Jenaro installed the Windows Admin Center on a Windows Server 2019 system called SERVERX. He intends to manage other servers using SERVERX. If SERVERX has Web server software installed using port 443, which of the following must be true?
Jenaro can connect to the Windows Admin Center only by appending the port number to the URL.
What is the difference between multitasking and multithreading?
Multitasking is the ability to run two or more programs at once while multithreading is the ability of programs being able to run a lot of program code blocks at once. The main difference is that one is the computer code doing multiple things at once, but they're sometimes harder to notice while the other is the computer doing things that you can see it doing.
Nadira is testing an application that needs to work on multiple operating systems. For this purpose, she uses Hyper-V to set up a Windows Server 2019 virtual machine (named VM1) and a Linux-based virtual machine (named VM2) on her host Windows 10 operating system. She sets up a third virtual machine, Windows Server 2012 (named VM3), to test the compatibility of the application between Windows Server 2019 and 2012 versions.
Nadira powered off VM1, ran a PowerShell command, and powered on VM1.
What are the components of the WMI infrastructure?
Namespaces: represent/organize different WMI data Providers: identify specific areas of the system Classes: individual types of data
Explain the nested virtualization feature of Hyper-V.
Nested Virtualization is where you run a virtual machine inside of another virtual machine. In Hyper-V this would implement a more complex virtualization structure that suits your needs and it'll also be good for learning and testing things without harm to your computer.
Shae is using a Windows Server 2019 operating system. She recently spilled hot chocolate on her keyboard, which damaged the keyboard. She purchased a new keyboard and connected it to her computer. She assumed that she would have to download a driver to use the keyboard. To her surprise, she was able to use the keyboard without any further action from her side. Which of the following features allowed Shae to start using the keyboard straightaway?
Plug and Play (PnP)
Mahmood works as a full stack web developer at Insignia Informatics. As one of the senior developers, Mahmood is often tasked with testing web applications built by his team. Often, he finds himself testing multiple web applications simultaneously over a short period. Mahmood uses a separate virtual machine to run each application in isolation. This often causes a resource crunch because each virtual machine uses large amounts of system resources, and Mahmood cannot be as productive as he wants to be.
Run these web apps in containers
Ryan, a server administrator, is attempting to install the Windows Admin Center on a server called SERVERX. However, he is unable to do so. Which is the following may be a reason for this?
SERVERX is the domain controller for the Active Directory.
Haruko is a system administrator at Notion Source, a company that specializes in digital marketing. He is configuring Windows Server 2019 on SERVERX and adding multiple servers to Server Manager so that he can manage all the servers from the same console. He is trying to add SERVERY, a file server. Despite his efforts, he is unable to add this server to Server Manager. Which of the following is a likely reason that he is unable to add SERVERY to the console?
SERVERY is part of a workgroup, but the workgroup server is not on the trusted hosts list.
What is the use of adding tags to servers in the Windows Admin Center?
Tags help identify servers and can be searched using the Search dialog box.
Tamara wants to install Server Core on a virtual machine on her Windows Server 2019 computer. She tries installing it but fails.
Tamara's computer has 30 GB free hard disk space.
Caylin, an IT administrator, receives an email from a coworker that the company website, eloxnet.com, is not accessible. She decides to check if there is an issue that is preventing access to the website. Which of the following PowerShell cmdlets should Caylin run first?
Test-NetConnection
After you begin the installation process, how do you ensure that you install the full Windows Server and not just the Server Core?
That you don't use the Windows Server Configuration Wizard on it (that's how you install the server core).
Active Directory
The Microsoft components and software that are used to provide single sign-on and centralized management of computers on a network.
Rhonda's company has a rack containing one email server, file server, web server, firewall server, UPS, SAN, and management station. Owing to a thunderstorm, a ten-block radius surrounding the company faces a power outage. Rhonda, who is working from home, tries sending an email to a colleague, but the email does not get sent.
The blackout took down the Internet, so Rhonda can't reach the email server.
windows containers
The components that allow Docker to provide containers on the Windows Server 2019 operating system.
kernel
The core component of an operating system that executes processes on the computer hardware.
host operating system
The operating system used to host a Type 2 hypervisor.
Calvin has installed Windows Server 2019 on his personal computer to take part in training program. During one of his lab exercises, his computer crashes. Upon investigation, he finds that the server has not created a crash dump file. What is the most likely reason that Calvin's computer failed to create the dump file?
The paging file is disabled on the computer.
authentication
The process of proving your identity to a computer (often with a user name and password).
sandboxing
The process of running separate Web apps within separate containers.
Virtualization
The process of running several separate operating systems concurrently on a single computer.
Thin Provisioning
The process of using a virtual hard disk file that dynamically expands as needed up to a maximum size.
thick provisioning
The process of using a virtual hard disk file that has a fixed size.
single-sign-on
The process whereby users authenticate once to a domain controller to prove their identity to other computers within the same domain.
Malaika uses the Edge browser on her computer to access a website. The browser sends a request to another computer over the Internet, which returns web page data that is displayed on the browser. Which of these entities is the server?
The responding computer
Remtax offers tax consulting services over the Internet. It assists people in preparing their income tax returns.
The server will be dedicated to web services and accessed via the Internet.
hypervisor
The software component that provides for virtualization.
cloud
The worldwide collection of publicly accessible servers on the Internet.
Identify the true statement about Type 2 hypervisors.
They can run multiple operating systems on a single host.
What is the advantage of using Hyper-V containers?
They provide additional performance and security to apps in your Windows Server that run in containers
What is the System File Checker tool, and how does it work?
This is software on your computer that scans system files for integrity if it finds a file that's damaged or overwritten replaces it with the proper version.
What is the self-healing feature of NTFS, and how does it work?
This is when software encounters a damaged disk area and NTFS heals it without taking down the server. It heals it by generating a work thread that repairs data from the damaged area.
What is the use of loop constructs within PowerShell scripts?
To do a task constantly until a specific goal is met.
Alina is using Windows PowerShell on a Windows Server 2019 system for the first time. She wants a list of all cmdlets in PowerShell, so she types the following command: PS C:\Users\Administrator>Get-Command | More Why does Alina use the pipe symbol (|) in this command?
To send the output from Get-Command to More, which displays the output page-by-page
Cmdlets are case-insensitive, so Get-Host and get-host are equivalent.
True
Hyper-V supports nested virtualization that can be used to create virtual machines within another virtual machine.
True
The System File Checker is useful in recovering system files that have been corrupted because of a hardware power problem or power failure.
Trye
networks
Two or more computers joined together via network media and able to exchange information.
Chen is a freelance web developer who uses a Windows 10 computer. When she needs to test her web application on a different operating system, she sends it to her friend who has other operating systems installed on multiple devices. This is a time-consuming process. She's looking for a way to test the web application across different operating systems on her own computer.
Virtualization
What is the term for programs and system software that can query WMI?
WMI consumers
Eileen is a Web app developer. All the apps that Eileen builds run in Linux containers on the cloud. She currently uses a Windows 7 operating system.
Windows 10 has Windows subsystem for Linux
Raymond is a system administrator at Kelly Consulting. He's trying to automate some security features using Windows Server. One of the tasks he's trying to accomplish is automatically blocking any Outlook rules that are set to forward emails. Particularly, he's attempting to write a script that blocks any rules that automatically forward emails to external parties.
Windows Powershell
Where can the most up-to-date list of compatible hardware available for Windows Server 2019 be found?
Windows Server Catalog
Emmitt, an IT administrator, is on a holiday when he receives a message from his boss about an issue with one of the servers running Windows Server 2019. Fortunately, Emmitt is carrying his laptop that is running a Windows 7 operating system. Emmitt accesses the server remotely and resolves the issue. Which of the following tools did Emmitt most likely use to access the server?
Windows admin center
server
a computer on a network that shares resources to other computers
blade servers
a server that can be housed within a single rackmount server.
Dillon wants to create a PowerShell script that automatically opens a bunch of websites whenever his system boots. He downloads a script from an Internet forum for PowerShell scripts and runs it. The script executes without warnings or asking for any additional confirmation. What is the most likely execution policy on Dillon's system?
bypass
Type 1 hypervisor
hypervisor that runs directly on computer hardware.
Shweta, a system administrator at Status Wire, is configuring Windows Server 2019 using Server Manager. She wants the Dashboard to display an alert whenever the server exceeds certain CPU usage. Which of the following panes should she use to configure this setting?
performance
Kristian uses the following command on Windows PowerShell to view a list of all cmdlets: PS C:\Users\Administrator>Get-Command | More The command displays a subset of the total output and follows it with the word More. On clicking the return button, the next set of results is displayed. Kristian wants to exit this and return to the PowerShell prompt. Which of these keys should Kristian press?
q
on-premises server
server located in an organization