80 Questions
Lossy compression is appropriate only for specific ______ cases.
use
Compression algorithm that sacrifices ______ quality for smaller file size is called Lossy.
data
To ensure ______, test your archives to confirm their integrity.
data
In a ______ backup, all files are backed up in a single operation.
full
The ______ backup strategy involves backing up only files changed since last full backup.
differential
In a ______ backup, files changed since last backup of any type are backed up.
incremental
______ is a type of backup that tolerates drive failure.
RAID
A copy of data in a ______ location is essential for data safety.
geographically separate
You should be in the habit of backing up ______ files on your laptop or PC.
user created
OS and apps can be restored from their original ______ providers or a system Restore Point.
software
Having a backup will allow you to recover from lost, broken or stolen ______.
hardware
Performed by continuously running ______ software that constantly monitors for file changes.
backup
[Blank] copies files to a drive in use by the system.
Local
Back up files to the ______ (Google Drive, OneDrive, Dropbox, iCloud).
cloud
Used for Full and ______ strategy.
Incremental
It is the least effective ______ method (what if you forget to do it?).
Manual Backup
Enterprise backup software uses ______ strategies such as Full, Differential, and Incremental.
backup
LTO tape or ______ disc libraries are used as nearline tertiary storage.
Optical
Data ______ and Single-instance optimize storage by eliminating duplicate copies of data.
deduplication
The ______ speed is highly variable and depends on data transfer rates from backup device or location.
Recovery
AWS Glacier, Google ______ and Sync cloud storage are examples of inexpensive upload storage.
Nearline
The 3-2-1 Backup Checklist recommends ______ copies of data with one active file and two backups.
three
Windows File History and macOS Time Machine are not exactly ______, but rather automatic copying of files.
backup
An external drive is platform independent only when not ______ in.
plugged
Data compression is particularly useful in ______ because it enables devices to transmit or store the same amount of data in fewer bits.
communications
File Compression stores a file’s data in less ______ by minimizing redundancy
space
The ______ backup strategy involves backing up all files to offsite storage services.
one-way
Data compression combines ______ minimization techniques
redundancy
The ______ file format is often used by the graphics industry for lossless compression.
TIFF
The final word on backups is that ______ matters.
RESTORE
An archive is a collection of folders and files stored in one file, e.g. ______.ZIP
filename
ZIP is used for ______ exchange
cross-platform
The effect of file compression on data transfer is that it reduces the ______ time.
throughput
Writing / Sending data takes time because ______ is slow
I/O
The UniSuper pension fund had a proper ______ backup with a different provider.
3-2-1
VoIP compresses data in ______-time
real
The ______ file format is often used by the sound engineering and music industry for lossless compression.
FLAC
Streaming sends compressed data and the receiver ______ it
decompresses
The ______ compression algorithm is often used by the video industry for lossy compression.
MPG
Encryption is used for ______ in file compression
security
Who wrote the first computer program in 1842?
Ada Lovelace
What were the essential elements of programming languages present in Ada's 1842 algorithm?
Variables, Control Structures, and Logic
What type of machines were used in the 1940s-50s for programming?
Mechanical Computing Machines
What was the 1st Generation of programming languages?
Machine Instructions
What type of programming was done in the 1950s-60s?
Assembly Language Instructions
What was abstracted away from hardware implementation in the 2nd Generation of programming?
1GL elements
What was the purpose of Ada's 1842 algorithm?
To demonstrate the Analytical Engine
What was the significance of Ada's 1842 algorithm?
It had the essential elements of programming languages
What is the primary purpose of Relational Database Management Systems (RDBMS)?
To manage and retrieve data
What is the key feature of High-Level Programming Languages?
They are platform-independent and use services of Low-Level code
What type of languages are Interpreted/Scripting Languages?
Line-by-line executed, not compiled, and dynamically typed
What is the primary characteristic of Data-Oriented Languages like SQL?
They are designed for management of data in relational databases
What type of languages are C and C++?
Compiled Languages
What is the primary feature of Compiled Languages?
Translators generate machine-specific instructions from source code
What is the purpose of SQL?
To manage and retrieve data
What are Data-Oriented Languages like SQL designed for?
Management of data in relational databases
Which year was Visual Basic introduced?
1991
Which programming language introduced in the 1990s is known for being readable, open-sourced, scalable, and extensible?
Python
This language is compiled to bytecode and can run on any platform with a compatible virtual machine.
Java
Which programming language, introduced in 2012, is known for being statically typed and a scalable variant of JavaScript?
TypeScript
Which one of these languages is object-based and known for command-line scripting across multiple platforms?
Windows PowerShell
Which programming language associated with mobile development for Android was introduced post-2010?
Java
SQL, used for data storage and retrieval in relational databases, was developed at which company?
IBM
Which of these languages is known for being safe by design, suitable for parallel programming and introduced in the 2010s?
Rust
Which one of these languages typically executes inside a host application or OS shell and is dynamically typed?
JavaScript
What characteristic is typically associated with scripting languages at runtime?
They are dynamically typed
Which of the following is an example of a hybrid programming language?
C#
Which environment can execute SQL (4GL) commands?
RDBMS
What is a common runtime environment requirement for interpreted languages?
They need a runtime environment
Which type of data typing does Python typically use?
Hinted
Java is associated with which type of programming languages?
General-purpose
What best describes the nature of MS PowerShell Core?
Interpreted
What is the main characteristic of a 3GL programming language like FORTRAN?
It is a general-purpose language that continues to be up-to-date
What is the main advantage of C++ over C?
It is a higher-level language that provides better support for object-oriented programming
What is the significance of the 1970s in the history of programming languages?
It was the decade when structured programming became popular
What is the main difference between a compiled language like C++ and an interpreted language like Python?
Compiled languages are faster, while interpreted languages are more flexible
What is the main feature of the C programming language?
It is a systems programming language that is used for operating system development
What is the main advantage of using a high-level language like Python?
It is a more flexible language that is easier to learn and use
What is the main difference between structured programming and object-oriented programming?
Structured programming is more focused on procedures, while object-oriented programming is more focused on objects
What is the main feature of the FORTRAN language?
It is a language that is used for high-performance computing and scientific simulations
This quiz covers the limitations of data archiving, including space requirements, data integrity, and recoverability. It also touches on the use of lossy compression and its appropriate use cases.
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