Question#1
In a DDoS attack, compromised computer systems are used as sources of attack ____?
a) defense
b) traffic ✅ - Answer
c) encryption
d) prevention

Question#2
Layer 7 of the OSI model, where DDoS attacks are common, is the _____ layer?
a) network
b) application ✅ - Answer
c) transport
d) session

Question#3
A group of bots used in DDoS attacks is called a _____?
a) cluster
b) botnet ✅ - Answer
c) swarm
d) network

Question#4
Malware requires _____ on the part of the user to be installed on the target device?
a) encryption
b) a firewall
c) an action ✅ - Answer
d) no action

Question#5
In a MITM attack, the attacker illicitly modifies or accesses the message before it reaches its _____?
a) source
b) destination ✅ - Answer
c) encryption
d) firewall

Question#6
In the context of phishing, checking the parameters for 'reply-to' is crucial for identifying _____ activity?
a) legitimate
b) malicious ✅ - Answer
c) encrypted
d) secure

Question#7
SQL injection attacks exploit applications that don't properly _____ inputs before passing them to SQL?
a) encrypt
b) validate ✅ - Answer
c) decrypt
d) hide

Question#8
In session hijacking, the attacker substitutes their _____ address for that of the client computer?
a) mac
b) ip ✅ - Answer
c) dns
d) url

Question#9
Limiting employee access to sensitive systems is a key method to prevent _____ threats?
a) external
b) insider ✅ - Answer
c) malware
d) phishing

Question#10
Ransomware encrypts the target's _____ , denying access until a ransom is paid?
a) firewall
b) workstation ✅ - Answer
c) network
d) website

Question#11
DNS spoofing involves redirecting users to a _____ website disguised as a real one?
a) secure
b) fake ✅ - Answer
c) encrypted
d) updated

Question#12
Cryptography secures information by using _____ to convert messages making them hard to decode?
a) algorithms ✅ - Answer
b) plaintexts
c) ciphers
d) networks

Question#13
In symmetric cipher, the _____ key is input to the encryption algorithm?
a) public
b) private
c) secret ✅ - Answer
d) hashing

Question#14
Recovering the key is the primary objective when attacking an _____ system?
a) encrypted
b) conventional ✅ - Answer
c) hashing
d) asymmetric

Question#15
Trying every possible key to decrypt a ciphertext is known as _____ attack?
a) cryptanalysis
b) brute-force ✅ - Answer
c) phishing
d) injection

Question#16
AES, Blowfish are the most popular _____ key cryptography systems?
a) asymmetric
b) symmetric ✅ - Answer
c) hashing
d) dns

Question#17
In asymmetric key cryptography, each user encrypts and decrypts using a pair of _____?
a) algorithms
b) keys ✅ - Answer
c) networks
d) firewalls

Question#18
In asymmetric key cryptography, the _____ key is distributed across the network?
a) private
b) public ✅ - Answer
c) secret
d) session

Question#19
The hash function cryptography operates in a _____ scenario?
a) two-way
b) one-way ✅ - Answer
c) encrypted
d) symmetric

Question#20
MD5 and SHA are the commonly used _____ algorithms?
a) encryption
b) hashing ✅ - Answer
c) decryption
d) spoofing