CyberOps Associate (Version 1.0) - Modules 3 - 4: Operating System

Which Linux command can be used to display the name of the current working directory? sudo ps pwd chmod

pwd

Consider the result of the ls -l command in the Linux output below. What are the file permissions assigned to the sales user for the analyst.txt file? ls -l analyst.txt -rwxrw-r-- sales staff 1028 May 28 15:50 analyst.txt read, write, execute write only read only read, write

read, write, execute

Consider the result of the ls -l command in the Linux output below. What are the file permissions assigned to the sales user for the analyst.txt file? ls -l analyst.txt -rwxrw-r-- sales staff 1028 May 28 15:50 analyst.txt write only read, write read only read, write, execute

read, write, execute

Match the Windows command to the description. renames a file ~~> ? creates a new directory ~~> ? changes the current directory ~~> ? lists files in a directory ~~> ?

renames a file ~~> ren creates a new directory ~~> mkdir changes the current directory ~~> cd lists files in a directory ~~> dir

Which user can override file permissions on a Linux computer? any user that has 'group' permission to the file only the creator of the file any user that has 'other' permission to the file root user

root user

A Linux system boots into the GUI by default, so which application can a network administrator use in order to access the CLI environment? system viewer file viewer package management tool terminal emulator

terminal emulator

What is the purpose of entering the netsh command on a Windows PC? to configure networking parameters for the PC to change the computer name for the PC to create user accounts to test the hardware devices on the PC

to configure networking parameters for the PC

What is the purpose of using the net accounts command in Windows? to display information about shared network resources to show a list of computers and network devices on the network to start a network service to review the settings of password and logon requirements for users

to review the settings of password and logon requirements for users

Match typical Linux log files to the function. /var/log/secure /var/log/messages /var/log/dmesg /var/log/auth.log

used by RedHat and CentOS computers and tracks authentication-related events: /var/log/secure contains generic computer activity logs, and is used to store informational and noncritical system messages: /var/log/messages stores information related to hardware devices and their drivers: /var/log/dmesg used by Debian and Ubuntu computers and stores all authentication-related events: /var/log/auth.log

Match the octal value to the file permission description in Linux. (Not all options are used.) write only ~~> ? read and execute ~~> ? read and write ~~> ? execute only ~~> ? write and execute ~~> ? no access ~~> ?

write only 010 read and execute 101 read and write 110 execute only 001 write and execute ____ no access 000

What is the well-known port address number used by DNS to serve requests? 25 53 110 60

53

Match the commonly used ports on a Linux server with the corresponding service. (Not all options are used.) 53 23 25 443

53 DNS 23 Telnet 25 SMTP 443 HTTPS

Match the Linux system component with the description. (Not all options are used.) ? : a text based interface that accepts user commands ? : a program that interprets and executes user commands ? : a background process that runs without the need for user interaction ? : a program that manages CPU and RAM allocation to processes, system calls, and file systems

CLI : a text based interface that accepts user commands shell : a program that interprets and executes user commands daemon : a background process that runs without the need for user interaction (Empty) : a program that manages CPU and RAM allocation to processes, system calls, and file systems

A technician has installed a third party utility that is used to manage a Windows 7 computer. However, the utility does not automatically start whenever the computer is started. What can the technician do to resolve this problem? Set the application registry key value to one. Use the Add or Remove Programs utility to set program access and defaults. Change the startup type for the utility to Automatic in Services . Uninstall the program and then choose Add New Programs in the Add or Remove Programs utility to install the application.

Change the startup type for the utility to Automatic in Services

Match the Linux command to the function. (Not all options are used.) Displays the name of the current working directory: ? runs a command as another user: ? modifies file permissions: ? shuts down the system: ? lists the processes that are currently running: ?

Displays the name of the current working directory: pwd runs a command as another user: sudo modifies file permissions: chmod shuts down the system: Empty lists the processes that are currently running: ps

Which two methods can be used to harden a computing device? (Choose two.) Allow default services to remain enabled. Allow USB auto-detection. Enforce the password history mechanism. Update patches on a strict annual basis irrespective of release date. Ensure physical security.

Enforce the password history mechanism. Ensure physical security.

In the Linux shell, which character is used between two commands to instruct the shell to combine and execute these two commands in sequence? $ # % |

I

Why is Kali Linux a popular choice in testing the network security of an organization? It is a network scanning tool that prioritizes security risks. It is an open source Linux security distribution containing many penetration tools. It can be used to test weaknesses by using only malicious software. It can be used to intercept and log network traffic.

It is an open source Linux security distribution containing many penetration tools.

Which statement describes the function of the Server Message Block (SMB) protocol? It is used to stream media contents. It is used to manage remote PCs. It is used to compress files stored on a disk. It is used to share network resources.

It is used to share network resources.

Which Windows tool can be used by a cybersecurity administrator to secure stand-alone computers that are not part of an active directory domain? PowerShell Windows Defender Windows Firewall Local Security Policy

Local Security Policy

What are two advantages of the NTFS file system compared with FAT32? (Choose two.) NTFS is easier to configure. NTFS supports larger files. NTFS allows faster formatting of drives. NTFS allows the automatic detection of bad sectors. NTFS allows faster access to external peripherals such as a USB drive. NTFS provides more security features.

NTFS supports larger files. NTFS provides more security features.

A user creates a file with .ps1 extension in Windows. What type of file is it? PowerShell documentation PowerShell cmdlet PowerShell script PowerShell function

PowerShell script

A user creates a file with .ps1 extension in Windows. What type of file is it? PowerShell function PowerShell cmdlet PowerShell documentation PowerShell script

PowerShell script

Match the Windows system tool with the description. (Not all options are used.) ? : a hierarchical database of all system and user information ? : selectively denies traffic on specified interfaces ? : a CLI environment used to run scripts and automate tasks ? : maintains system logs ? : provides information on system resources and processes ? : provides virus and spyware protection

Registry : a hierarchical database of all system and user information Windows Firewall : selectively denies traffic on specified interfaces PowerShell : a CLI environment used to run scripts and automate tasks Event Viewer : maintains system logs (Empty) : provides information on system resources and processes (Empty) : provides virus and spyware protection

A user logs in to Windows with a regular user account and attempts to use an application that requires administrative privileges. What can the user do to successfully use the application? Right-click the application and choose Run as Priviledge . Right-click the application and choose Run as Superuser . Right-click the application and choose Run as Administrator . Right-click the application and choose Run as root .

Right-click the application and choose Run as Administrator .

Match the commonly used ports on a Linux server with the corresponding service. SMTP DNS HTTPS SSH Telnet

SMTP 25 DNS 53 HTTPS 443 SSH 22 Telnet 23

Match the Windows 10 boot sequence after the boot manager (bootmgr.exe) loads. Winload>Ntoskrnl>Winload>Ntoskrnl>Winlogon

Step 1: The Windows boot loader Winload.exe loads Step 2: Ntosknl.exe and hal.dll are loaded Step 3: Winload.exe reads the registry, chooses a hardware profile, and loads the device drivers. Step 4: Ntoskrnl.exe takes over the process. Step 5: Winlogon.exe is loaded and excutes the logon process.

1. Why would a network administrator choose Linux as an operating system in the Security Operations Center (SOC)? It is easier to use than other operating systems. More network applications are created for this environment. It is more secure than other server operating systems. The administrator has more control over the operating system.

The administrator has more control over the operating system.

What is the outcome when a Linux administrator enters the man man command? The man man command configures the network interface with a manual address The man man command opens the most recent log file The man man command provides a list of commands available at the current prompt The man man command provides documentation about the man command

The man man command provides documentation about the man command

What technology was created to replace the BIOS program on modern personal computer motherboards? UEFI MBR CMOS RAM

UEFI

An IT technician wants to create a rule on two Windows 10 computers to prevent an installed application from accessing the public Internet. Which tool would the technician use to accomplish this task? Local Security Policy Computer Management Windows Defender Firewall with Advanced Security DMZ

Windows Defender Firewall with Advanced Security

A PC user issues the netstat command without any options. What is displayed as the result of this command? a historical list of successful pings that have been sent a list of all established active TCP connections a network connection and usage report a local routing table

a list of all established active TCP connections

Match the description to the Linux term. (Not all options are used.) a type of file that is a reference to another file or directory ~~> ? a running background process that does not need user interaction ~~> ? protecting remote access ~~> ? (Empty) ~~>?

a type of file that is a reference to another file or directory ~~> symlink a running background process that does not need user interaction ~~> daemon protecting remote access ~~> hardening (Empty) ~~>logging

Which type of Windows PowerShell command performs an action and returns an output or object to the next command that will be executed? cmdlets functions routines scripts

cmdlets

Why is Linux considered to be better protected against malware than other operating systems? customizable penetration and protection tools fewer deployments file system structure, file permissions, and user account restrictions integrated firewall

file system structure, file permissions, and user account restrictions

What are two benefits of using an ext4 partition instead of ext3? (Choose two.) an increase in the number of supported devices improved performance compatibility with NTFS increase in the size of supported files decreased load time compatibility with CDFS

improved performance increase in the size of supported files

Which two commands could be used to check if DNS name resolution is working properly on a Windows PC? (Choose two.) nslookup cisco.com net cisco.com ipconfig /flushdns nbtstat cisco.com ping cisco.com

nslookup cisco.com ping cisco.com

Which type of tool allows administrators to observe and understand every detail of a network transaction? log manager malware analysis tool ticketing system packet capture software

packet capture software