encryptions and dos

What the two types of encryption

Symmetric encryption use the same encryption key for encryption and decryption

• agree

• disagree

Asymmetric encryption use two types of encryption keys, i.e. public key and private key

• agree

• disagree

What is the common problem when using symmetric encryption?

• hashing

• key distribution

• loss of data

• speed

What is 3³ MOD 8?

• 1

• 2

• 3

• 4

An algorithm that translate message or key into a string of characters usually shown in hex notation

• session caching

• hashing algorithm

• mod algorithm

• filtering algorithm

_________ + _________ ----> encryption algorithm = ________

Methods of authentication

• SSL and TLS

• password, digital signature and bio-metric

• encryption keys and hashing algorithm

• firewall and proxy server

What is a DOS attack?

• Disk operating system attack

• Digital of signature attack

• Delay of service attack

• Denial of service attack