ITSC-1305-H51 MidTerm Review

Which type of operating system is most likely to be part of an embedded system?

Real-time

A colleague asks you where the code for the power-on self-test is located. What do you tell them?

Non-volatile memory

Which of the following is a basic function all computers perform?

Processing, Input, Output

Which method of I/O handling uses a round-robin technique?

Polling

Which component of the operating system gets called when a process must be allocated memory and scheduled to run?

Kernel

You are asked to develop a process that runs in the background and handles network communications. What type of process should you develop?

Service

Which of the following is a feature typically provided by an operating system? (Choose two)

Kernel, File System

Which aspect of security and protection services verifies that an account has permission to perform an action on an operating system?

Authoritzation

Which of the following are you most likely to find in firmware?

Bootstrap

Your manager has asked you to terminate a process running on a Linux server. Before you can terminate the process, what information do you need?

the PID

Which of the following best describes the MS-DOS operating system?

Standalone

Which of the following are ways that a process is created? (Choose two)

By the User, By the Bootloader

Which of the following is performed by the BIOS? (Choose two)

Starts the Operating System, and Run's the power-on self-test

You're writing a program that must enable and disable interrupts. In which CPU mode must your program operate?

Kernel mode

While on a coffee break, your colleague asserts that cooperative multitasking is the best operating system design. What is your response? (Choose three)

Modern operating systems use preemptive multitasking so that the operating system is fully in control.

Cooperative multitasking OSs can freeze due to a process getting stuck in an infinite loop.

A disadvantage of cooperative multitasking is that it relies on each program to decide when to give control back to the operating system.

Which of the following executes instructions provided by computer programs?

CPU

Which of the following is best to run on a client operating system?

Web Browser

You have been asked to recommend an operating system for a project that requires precise timing of I/O devices and deterministic response times to events. Which OS should you recommend?

VxWorks

A new application you are installing is critical to business operations and downtime is to be avoided. In addition, fast response times are necessary, so performance must be scaled when more users start using the system. What OS and server hardware feature should you consider implementing on the system on which the application is installed?

Clustering

A friend of yours described a program he is writing that runs on a microcontroller and will read sensors and write to devices that control industrial equipment. What type of system is his program most likely working with?

Embedded system

What does TCP/IP use to look up a computer's IP address when it's name is known?

DNS

You're the network administrator for a company that has just expanded from one floor to two floors of a large building, and the number of workstations you need has double from 50 to 100. You're concerned that network performance will suffer if you add computers to the existing LAN. In addition, new users will be working in a separate business unit, and there are reasons to logically separate the two groups of computers. What type of network should you configure?

internetwork

What Application layer protocol is used for sending email over the Internet?

SMTP

What component of the DHCP server ensures that the client is leased the same address each time it requires an IP address?

reservation

What type of message is used to determine whether a computer is listening to the network?

ping

You have installed Windows Server 2016 on a new server and want to centralize user logons and security policies. What type of software should you install and configure on this server?

directory service

The subnet mask of an IP address does which of the following?

defines network and host portions of an IP address

TCP/IP is an example of which of the following?

network protocol

Which of the following IPv6 features is an enhancement to IPv4? (Choose two)

built-in security, larger access space

What is the item for each grouping of 8 bits in an IP address.

Octect

Which protocol can configure a computer's IP address and subnet mask automatically?

DHCP

What does the Transport layer use to identify source and destination Application layer protocols?

port number

What type of DNS resource record is an alias for another record?

CNAME

Which of the following accurately describes the .edu part of the FQDN www.yc.edu?

top-level domain

Where does a DNS server look when it can't resolve a query from its zone records or cache?

root hints

Which OSI model layer takes a large chunk of data from the Application layer and breaks it into smaller segments?

Transport

When a Windows computer is configured to use DHCP but no DHCP server is available, what type of address is configured automatically for it?

APIPA

An IPv6 Address is made up of how many bits?

128

What is the unit of information that contains MAC address and an error checking code that's processed by the network interface later?

frame

Which of the following best describes a client?

A computer's primary role in the network is to run user applications and access network resources.

If a protocol is routable, at which TCP/IP layer does it operate?

Internetwork

In network communication, what address is used to deliver a frame to the correct computer on the network?

MAC, physical

Which OSI layer determines the route a packet takes from sender to receiver?

3

Which of the following characteristics is associated with a peer-to-peer networki? (Choose three)

decentralized data storage, inexpensive, centralized control

You work for a small company with four users who need to share information on their computers. The budget it tight, so the network must be as inexpensive as possible. What type of network should you install?

peer-to-peer network

What was the original Microsoft operating system for IBM PC?

MS-DOS

Windows 2000 Server was the first Windows server to have the Active Directory service. True or False?

True

What does it mean if a driver is signed?

Only certified versions of the driver can be installed.

What is the default authentication protocol used by Windows 2000 Server and later versions?

Kerberos

Which Windows feature, introduced in Windows 95, helped eliminate device resource conflicts and precluded manual device configuration with jumpers?

PLug and Play

With which client OS did Windows Server 2008 share the same code base?

Windows Server 2003 R2

Which Windows feature made the use of chkdsk.exe must less common?

Self-healing NTFS

You have been asked to install Windows memory and disk space. You need to ensure that the installation has as small of a footprint as possible; also, the server will be managed using remote server administration tools or the command line.

Install Windows Server 2012 but choose the Server Core option.

Which of the following best describes a virtual private network (VPN)?

provides authentication and encryption

You have a branch office with limited physical security for your servers. You want domain users in the office to be able to be authenticated by a local server, but you are concerned that the server might be compromised or stolen due the lack of physical security.

Install an RODC

You have a Web server that contains primarily static data. The server is heavily used and response times are getting longer. What can you do to mitigate the increasing response times?

Create a network load-balancing cluster.

What features can you use starting in Windows Server 2012 if you want to be able to assign file and folder permissions based on user attributes and the contents of the file?

Dynamic Access Control

Your boss has informed you that three aging servers must be replaced with a single physical server. However, you have found that two of the servers are running 64-bit applications that conflict with one another and cannot be installed on the same OS.

Install Windows Server 2016 with Hyper-V and create three VM, each running Windows Server 2016.

Which of the following best describes the Hyper-V?

the server virtualization service used to create multiple logical servers on one physical server

Looking at Windows Server 2012 R2, which of the following statements is true?

It supports virtual machines with up to 32 GB of RAM

What version of Windows Server should you use if you want to deploy a hyperconverged infrastructure?

Windows Server 2019

What are the two main design standards to which most versions of UNIX adhere?

BSD, SVR4

Which Debian-based distribution of Linux is ideal for learning about cybersecurity because of its wide collection of forensic and security tools?

Kali

What is the command-line interface called on a Linux system?

shell

What technology was implemented on Apple computer printer ports to facilitate file and printer sharing?

LocalTalk

What is required to install the Hyper-V server role on Windows Server?

AMD-V or Intel-VT extensions

Which of the following is the default setting for Windows Update on Windows server 2019 after you first turn on automatic updates?

Download and install updates automatically

Which of the following is a task you must do during a clean installation of Windows Server?

Choosing a disk where it will be installed

Which of the following is true about upgrading to Windows Server 2019?

An upgrade from Windows Server 2008 edition requires a clean installation

You're trying to decide which desk technology to use on your new Windows Server 2019 installation. The server will be in heavy used around the clock every day, so high performance and reliability is a necessity. Which technology is the best choice?

SAS

You are running Windows Server 2008 on a 32-bit CPU. You know that support for the OS is about to end, and you have been told to upgrade to Window Server 2019. What can you do?

Install Windows Server 2019 on a new computer and migrate server roles

Which of the following is a reason for installing a new server? (Choose all that apply)

Fault tolerance, excessive load on existing servers,

To isolate a new application

Which of the following is true about Windows Server 2016?

You cannot upgrade to a different language

Which of the following is not a typical Windows Server postinstallation task?

Installing the Server Core role

A colleague asks you to research a CPU for a new server that will run Windows. Server 2019. He explains the server roles that he intends to install and says that the CPU must support Nested Page Table. What is your colleague most likely planning to install on the server?

Hyper-V

Which of the following is not a valid installation option for Windows Server 2016?

An upgrade from Windows Server 2012 R2 Server Core to Windows Server 2016 Desktop Experience

Which of the following is true about the macOS Mojave Server add-on?

It is compatible with Active Directory

Under which conditions should you consider a clean installation? (Choose all that apply)

You want to be able to boot your old OS and your new OS, Correct answer:

The installation is needed for a computer that has no OS installed

In which of the following circumstances is server migration required when you want to upgrade to Windows Server 2019 Datacenter Desktop Experience (Check all that apply)

When you're running a Server Core installation of Windows Server 2012 R2 Datacenter, When you're running a GUI installation of Windows Server 2008

You have been asked to evaluate Fedora Linux for use as a client computer in the Engineering Department. However, all your client computers are running Windows 10, and you don't have any spare client machines for installing Linux. You also have a department server that's already running Windows Server 2016 with Hyper-V. Which of the following are options for performing this evaluation that don't risk destroying data on your existing computers? (Choose all that apply)

Create a virtual machine and install Linux on the VM, Use any computer, boot to the DVD, and then run the evaluation without installing Linux to the hard drive

Which of the following should be a common element in any security policy?

malware protection

Which of the following is a Windows Defender Firewall profile? (Choose two.)

domain, private

In multifactor authentication, which of the following is a credential category? (Choose all that apply.)

inherence, knowledge

Bill Smith has just been prompted to change his password. He has a list of possible passwords he is considering. Which of the following passwords is considered the most secure?

I L!ke H0cky

Which of the following forms of authentication involves a CA to verify a computer or user's identity?

digital certificate

What is the default Windows Update configuration in Windows 10?

Automatically download and install

In Linux, you are preparing to delete the tprice user account because the user has just left the company. However, before you delete the account, you want to list all files owned by tprice so you can decide which files to keep. What command enables you to view all files owned by the tprice account?

find /-user tprice

Which of the following is a guideline for creating a security policy?

A security policy should be inforceable

This morning you modified five large data files in your home folder in Linux, and now you want to find and delete the files because you no longer need them. Which of the following commands can you use to list and sort files based on the time they were modified?

ls -t

Which backup scheme requires the fewest tapes to perform a full restore?

full backup plus differential

Which of the following backup methods backs up any files that have changed since the last full or incremental backup?

incremental

Which command adds a rule to the Linux netfilter firewall that prevents incoming ping packets from being processed?

iptables -A INPUT -p icmp -j DROP

Which of the following questions must be answered before determining how much security your operating systems need? (Choose all that apply.)

What costs are associated with security being breached? , How likely is it that a threat will actually occur?

You have a password policy that users must change their password every 90 days. You don't want them to re-use a password for at least 10 passwords. What option should you set on a Windows system to ensure that users can't re-use a recent password?

Enforce password history

What should you install on an operating system to prevent potentially harmful network packets from entering or leaving the OS?

host firewall

Which of the following is an element of a security policy? (Choose all that apply.)

private policy, authentication

Your organization's Windows Server 2016 server has 8 GB of RAM but has been running a little slow, so you decide to check the virtual memory configuration. You find that the paging file is located on the C: drive, where Windows is installed. The paging file is about 12 GB. Is there anything you can do to configure the paging file for optimal performance?

Move it to another disk

You have a medium-sized business of over 300 Windows 10 computers and 15 Windows Server 2016 and 2019 servers. You have found that the computers are using a lot of bandwidth every night when they check for updates on Microsoft's update servers. In addition, you have no easy way of knowing which computers are up to date with the latest security patches. What is the best way to reduce the bandwidth usage and more easily document which computers have the proper updates?

Install Windows Server Update Services on one of your servers

Your Linux workstation runs slowly when you use certain applications. You decide to determine how much virtual memory is used when you run these applications. Which of the following commands enables you to determine virtual memory usage?

vmstat

Your boss has asked that you secure communication between the server that holds personal identifying information of your clients and all other computers. Which of the following technologies can you use?

IPsec