Copy of Cybersecurity Week 3 – Quiz – Student Portal

What type of algorithm is AES?

Asymmetric

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Hashing

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Symmetric

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Digital Signature

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What is the block size of AES encryption?

64 bits

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128 bits

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256 bits

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Variable

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Which of the following is a hashing algorithm?

RSA

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SHA-256

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AES

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Diffie-Hellman

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What is the purpose of a hash function?

Encrypt messages

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Generate digital signatures

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Map data to a fixed-size digest

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Exchange keys

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Which cryptographic concept does SHA belong to?

Symmetric Encryption

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Asymmetric Encryption

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Hashing

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Digital Certificates

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bcrypt is designed specifically for:

Data encryption

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Password hashing

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Message signing

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File compression

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What does the ‘b’ in bcrypt stand for?

Binary

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Blowfish

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Block

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Bit

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What feature makes bcrypt resistant to rainbow table attacks?

Strong encryption

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Time factor

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Built-in salt

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Digital signatures

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What makes Argon2 stronger than bcrypt?

Faster speed

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Simpler structure

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Memory-hard computation

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Larger key size

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Which version of Argon2 is recommended for general use?

Argon2a

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Argon2i

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Argon2d

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Argon2id

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Digital signatures are primarily used for:

Encryption

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Authentication and integrity

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Hashing

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Compression

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What’s a major benefit of symmetric encryption?

Different keys for sender and receiver

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Faster than asymmetric encryption

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No key needed

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Public key used for encryption

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A key limitation of symmetric encryption is:

It's too slow

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Key exchange is difficult

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Not secure

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Only works for emails

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In asymmetric encryption, which key is used for encrypting a message?

Private key

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Hash key

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Public key

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Session key

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Which of the following is a symmetric encryption algorithm?

AES

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RSA

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DSA

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SHA-1

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What is the main role of a hash function in digital signatures?

Encrypt the message

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Generate the public key

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Create a unique digest

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Decode the signature

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The SHA family includes all EXCEPT:

SHA-1

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SHA-2

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SHA-3

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SHA-5124

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What does MDS stand for in cryptography?

Message Digest Structure

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Maximum Distance Separable

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Modified Data Stream

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Master Data Security

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A key advantage of Argon2 over bcrypt is:

More output length

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Lower CPU usage

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GPU/ASIC resistance

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Used in AES

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Which tool is often used for experimenting with encryption and hashing online?

Wireshark

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CyberChef

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Notepad++

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Postman

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Copy of Cybersecurity Week 3 – Quiz

Copy of Cybersecurity Week 3 – Quiz

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