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Chapter 1 Quiz: Modern Security Threats
Modern Network Security Threats
Question 1 of 12
What type of malware replicates itself across a network WITHOUT requiring a host program?
Select the best answer:
Virus
Worm
Trojan Horse
Spyware
Which category of hacker is motivated by financial gain or malicious destruction?
Select the best answer:
White hat
Gray hat
Black hat
Script kiddie
What is the primary goal of a reconnaissance attack?
Select the best answer:
Destroy network resources
Gather information about a target system
Deny service to legitimate users
Modify data in transit
A Trojan horse differs from a virus because it:
Select the best answer:
Replicates faster than a virus
Appears as a legitimate program but carries a malicious payload
Cannot be detected by antivirus software
Always encrypts files on the system for ransom
Which DoS variant uses a botnet of compromised hosts to flood a target?
Select the best answer:
Ping of Death
Smurf Attack
Distributed DoS (DDoS)
SYN Flood from a single host
The Ping of Death attack works by sending:
Select the best answer:
Thousands of ARP requests to saturate the switch CAM table
Oversized ICMP packets that crash vulnerable systems
Malformed DNS zone-transfer requests
TCP SYN packets with no ACK follow-up
Social engineering attacks primarily exploit:
Select the best answer:
Firewall and IDS rule gaps
Unpatched operating systems
Human psychology to trick users into revealing information
Weak encryption algorithms
A SYN flood attack targets which phase of the TCP connection process?
Select the best answer:
The FIN/ACK termination phase
The three-way handshake initialization phase
The established data-transfer phase
The UDP connection setup phase
Which tool is most commonly used for ping sweeps and port scans during a reconnaissance phase?
Select the best answer:
Nessus
Nmap
Wireshark
Snort
A virus that activates only on a specific date or event is called a:
Select the best answer:
Polymorphic virus
Macro virus
Logic bomb
Rootkit
Spyware is best described as software that:
Select the best answer:
Encrypts files and demands a ransom payment
Collects user information and transmits it without consent
Replicates itself through network file shares
Prevents the operating system from booting
Which attack uses fraudulent emails appearing to come from a trusted source to steal credentials?
Select the best answer:
Vishing (voice phishing)
Phishing
Smishing (SMS phishing)
Whaling (executive-targeted phishing)
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