FedVTE- Linux Operating System Security 2024-2025 Edition. Questions and Answers. Grade A+, Exams of Programming Languages

FedVTE- Linux Operating System Security 2024-2025 Edition. Questions and 100% Correct Answers. Graded A+

Typology: Exams

2023/2024

Available from 07/24/2024

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FedVTE- Linux Operating System
Security 2024-2025 Edition. Questions
and 100% Correct Answers. Graded A+
127.0.0.1 is an example of what type of address? - ANSIPv4
2003:da3:1637:ffff:ffff:ffff:ffff:ffff is an example of what type of address? - ANSIPv6
A BASH script must be compiled into an executable object in order to run. - ANSFalse
A process is an address space and a set of data structures which track the process
status priority owner signals and resources. - ANSTrue
An attacker who places an entry such as 74.213.42.219 www.cmu.edu in the /etc/hosts
file could redirect users to a malicious server. - ANSTrue
Bro, Snort, Suricata are examples of what kind of Linux security feature? - ANSNetwork
Intrusion Detection Systems
chroot confines a process to a specific directory - ANSTrue
GID UID and EUID stand for: - ANSGroup User and Effective User Identification
numbers
If you use GRUB to manage different boot options on your Linux host and want to
increase security especially for physical access you should - ANSConfigure GRUB to
prompt for a password to boot a partition
If you wanted to protect a Linux system from being booted into single user mode which
security feature would you configure and use? - ANSGRUB
In a hardened Linux environment the firewalls default policy should be - ANSDeny All
(or Drop)
In addition to the internal authentication via /etc/passwd and /etc/shadow files, what
services can be used to authenticate users to a Linux host? - ANSFedora Directory
Service (?)
IPSec PPTP and SSL are all examples of: - ANSVPNs
Misconfigurations are a more likely security threat than viruses on Linux. - ANSTrue
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FedVTE- Linux Operating System

Security 2024-2025 Edition. Questions

and 100% Correct Answers. Graded A+

127.0.0.1 is an example of what type of address? - ANSIPv 2003:da3:1637:ffff:ffff:ffff:ffff:ffff is an example of what type of address? - ANSIPv A BASH script must be compiled into an executable object in order to run. - ANSFalse A process is an address space and a set of data structures which track the process status priority owner signals and resources. - ANSTrue An attacker who places an entry such as 74.213.42.219 www.cmu.edu in the /etc/hosts file could redirect users to a malicious server. - ANSTrue Bro, Snort, Suricata are examples of what kind of Linux security feature? - ANSNetwork Intrusion Detection Systems chroot confines a process to a specific directory - ANSTrue GID UID and EUID stand for: - ANSGroup User and Effective User Identification numbers If you use GRUB to manage different boot options on your Linux host and want to increase security especially for physical access you should - ANSConfigure GRUB to prompt for a password to boot a partition If you wanted to protect a Linux system from being booted into single user mode which security feature would you configure and use? - ANSGRUB In a hardened Linux environment the firewalls default policy should be - ANSDeny All (or Drop) In addition to the internal authentication via /etc/passwd and /etc/shadow files, what services can be used to authenticate users to a Linux host? - ANSFedora Directory Service (?) IPSec PPTP and SSL are all examples of: - ANSVPNs Misconfigurations are a more likely security threat than viruses on Linux. - ANSTrue

Package repositories are collections of software and source files used by package management systems to install, update, and remove software on a Linux system. - ANSTrue Regularly reviewing user accounts on a system and disable old unused accounts is a good step to take in hardening a system. - ANSTrue RPM will check for dependencies and install them when installing a program. - ANSTrue Scripting is a good way to automate manual or time intensive tasks such as backups or running programs on a scheduled basis or monitoring and checking system settings. - ANSTrue Single user mode in Linux is a security risk if a malicious actor has physical access to the host - ANSTrue srm is a tool used to securely delete files from the file system - ANSTrue The Pluggable Authentication Module (PAM) provides: - ANSA centralized authentication functions for programs and applications on the system To quickly deny a user access to the system set their login shell to /bin/false. - ANSTrue What base directory would you put a script in if you wanted it to automatically start when the operating system starts? - ANS/etc/rc.d What does the command find / -xdev -nouser do? - ANSFinds files that belong to user accounts that are no longer on the system What hashing algorithms can be used to hash passwords in the /etc/shadow file? - ANSAll of these What is the most restrictive and secure setting for state and policy in SELinux? - ANSEnforcing - Strict What is Unified Extensible Firmware Interface designed to do? - ANSPrevent malicious actors from modifying the boot loader or booting the computer with a different operating system What Linux security feature can be used to log, drop, reject, or alter packets? - ANSIPTables What program allows you to interactively execute programs or commands as the root user? - ANSsudo

Why might you install a custom repository and direct all the Linux clients in your network to it? - ANSAll With IPTables what default policy should be used for packets for maximum security? - ANSDROP You can use SSH to tunnel and encrypt traffic between a client and a server. - ANSTrue