WorksheetsICS Unit 4 Pre-Test
Total questions: 10
Worksheet time: 5mins
Shift 10 Problem: The image shows the encoded text 'Iye kbo cwkbd !'. Decode the message using a Caesar cipher with shift 10.
You are smart!
Keep going strong!
Find the secret!
Work out ciphers!
According to the slide titled What are binary numbers?, what are binary numbers?
Numbers that are expressed in a 2-based numeral system
Numbers that use digits 0–9 in a 10-based system
Numbers written using hexadecimal symbols A–F and 0–9
Numbers that represent fractions only
According to the Focus slide, what is the purpose of learning about cryptography?
To encrypt public messages into private messages
To compress large files into smaller files
To back up files to cloud storage
To convert private messages into public announcements
According to the Focus slide, what is the purpose of learning about data protection?
To protect my data from unauthorized users
To make data freely accessible to everyone
To delete old data automatically
To translate data into different languages
What did you learn last week in this class?
The definition and concept of data
Photosynthesis in plants
The Industrial Revolution in Europe
The Pythagorean theorem
What is Data?
Statistics or facts that are collected to be analyzed
Unreliable guesses with no source
Instructions for operating software
The physical devices of a computer
A user’s phone contains customer’s PII. The user cannot have the phone automatically wiped because the data is very valuable. Which of the following is the BEST method of securing the phone?
Fingerprint lock
Passcode lock
Swipe lock
PIN lock
What is encryption?
A person who tricks you into giving your password
converting information or data into a code to prevent unauthorized access.
To upload your personal data to the cloud
When there is a security breach in your data
Data contained on which of the following would have the HIGHEST expectation of privacy?
Mobile
Laptop
Cloud
Workstation
