1.4 ICT Skills and Working in Linux Flashcards
What are the two major desktop environments in the Linux world?
Gnome - Simply and Clean
&
KDE - More Applications and configuration options
Name three popular command line terminal applications (any OS system)
Command Prompt - Windows
PowerShell - Windows
Gnome Terminal - Gnome
Konsole - KDE
Xterm
Terminal - MacOS
Define the term “IaaS”
IaaS - Infrastructure As A Service is where clients pay a service provider to share the resources of a large server by offering clients access to computer services in the cloud via the internet.
You only pay for the infrastructure that you use. (ex: OpenStack)
What is a ‘hypervisor’?
A hypervisor is responsible managing clients who run operating systems in a cloud server environment by segregating and managing the server resources available on the host machine(s).
Name two open source Linux hypervisors
Xen
KVM
Virtual Box
Define the term “PaaS”
PaaS - Platform As A Service is where clients pay a provider for access to a platform where they can run and deploy their applications.
ex: Heroku
Define the term “SaaS”
SaaS - Software As A Service is a service where clients pay a provider for a subscription to use software.
(ex: SalesForce & DropBox)
True or False: When browsing the internet almost all actions done through a browser can be tracked and analyzed by multiple parties.
True - Websites and peers on the internet still use plenty of other techniques to track you.
What is an “cookie” file?
Cookies are small files a website can save on your local computer in order to store and retrieve some kind of information that can be useful for your navigation.
Cookies are used by ecommerce and social media platforms to target advertising regardless of which website you are visiting.
True or False: When you select “Do Not Track” in your browser or phone app settings, companies are legally required to comply with your request
False - DNT is just a way for you to tell the websites and apps that you visit that you do not want them to track you, However THEY still decide if they will respect your choice or not.
What is a “private window/tab” in a browser and how does it differ from a “standard window/tab” ?
Private Windows / Tabs usually don’t share any configuration or data from your standard profile with the website.
This means unlike standard window / tab - no personal data like history, passwords, or cookies are stored on your computer / device.
What is a ‘password manager’?
Name one popular password manager on Linux systems
Software that will store all your passwords and usernames in an encrypted format which can be decrypted only by a master password.
ex: KeePass, Bitwarden
What is the Transport Layer Security (TLS) protocol?
A protocol that offer security over network connections by using cryptography.
TLS is what is used on HTTPS in order to make it possible to securely send sensitive data (like your credit card #) through the web.
TLS is the successor of the Secure Sockets Layer (SSL) protocol
Name a tool native to Linux that can be used for securing emails, texts, files, directories, and whole disk partitions
GnuPG - is a tool used to sign. encrypt, and decrypt files and storage partitions on LInux.
GnuPG issues public and and private keys to users. Public keys enable files to be sent and received and are known. (Like a home address #)
Private keys are what’s needed to decrypt encrypted files so that they are readable
Without a private key, files remain encrypted and unreadable.
Name the kernel-native system tool that can be used to encrypt disk storage on linux-based systems
dm-crypt