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WorksheetsCSCu_Data Encrypt
Total questions: 25
Worksheet time: 14mins
Who used the Caesar Cipher?
Augustus Caesar
Hadrian Caesar
Julius Caesar
Palpatine Caesar
Which two fictional characters are used to describe encryption scenarios and algorithms?
Bob and Alice
Bonnie and Clyde
Boris and Alistair
Bert and Ernie
What type of key can be freely shared with anyone so that they can encrypt a message?
Personal key
Private key
Free key
Public key
What do we call unscrambled, readable data?
ASCII
Purple prose
Plaintext
Ciphertext..
What do we call scrambled, encrypted data?
Gibberish
Plaintext
Ciphertext
Garbage
What is the foundation of all secure messaging on the open internet, including the security protocols known as SSL and TLS?
Asymmetric encryption
Caesar's Cipher
Public key cryptography
Symmetric encryption
What does the little lock or the letters https in a browser's address bar indicate?
Public key encryption
Symmetric encryption
Insecure connection
Secure connection
What is the purpose of using asymmetric keys in public key cryptography?
To exchange secure messages without needing to agree on a private key
To agree on a private key
To decrypt data
To encrypt data
What is the purpose of using asymmetric keys in public key cryptography?
To exchange secure messages without needing to agree on a private key
To agree on a private key
To decrypt data
To encrypt data
There are private data that people still exchange in the open system such as credit card number, bank information, password, and emails.
Answer TRUE or FALSE
(a)
The two most common types of encryptions used in securing Internet communications are______ and_________.
Symmetric encryption and public key encryption.
Triple-DES (3DES), and Plain text
Caesar Cipher, and Plain text
Bob and Alice
What do you call the algorithm used to encrypt data?
Flux capacitor
Oscillator
Cipher
Transmogrifier
For security purposes,
what protocol should you use if shopping online?
FTP
HTTP
SMTP
HTTPS
Which of these do you need to keep secret?
Your public encryption key
Your private decryption key
Your MAC address
The cipher algorithm
What does SSL stand for?
Secure Socket Layer
Secret Secure Layer
Several secret Layer
Sustaining Self life
Which of these is not required for Public Key encryption?
Public Key
Private Key
Encryption Algorithm
Specific Key
In the context of asymmetric encryption, what is a public key used for?
Decryption only
Encryption only.,
Both encryption and decryption
Neither encryption nor decryption
What is the correct order of memory storage units from smallest to largest?
Answer carefully
KiB MB MiB GB TiB
KiB MiB MB TiB GB
MB MiB KB GB TiB
KB GB MB MiB TiB
Encrypted data cannot be understood
True or False
(a)
Asymmetric encryption uses only one key.
True OR False
(a)
.............. provides a way for two computers to verify their identity online before they exchange information.
Security Certificate
HTTPS
TCP/IP
Anti-Malware Software
What is the process of unscrambling an encrypted message to make it readable?
Asymmetric encryption
Encryption
Symmetric encryption
Decryption
Encrypting data means_____________.
The access point installed on a network without the network owner’s permission.
The scramble of the original data to hide the meaning of the text, while still making it possible for the data to be unscrambled using a secret key.
The type of site visitors should expect to see at the address, such as .com for commercial business sites, and .edu for educational sites.
An official pattern used to help decrypt messages
Which of the following is an encryption standard?
Data Encryption standard
Advanced Dencryption
standard
Digital certificates
Validation Authority
Both VeraCrypt and TrueCrypt are both Cryptographic tools
Yes
No
Maybe
God knows
