CSX CSX Network Security Fundamentals 3

Question 1

Which network scanning technique sends a SYN packet and waits for a SYN-ACK without completing the TCP handshake?

Accepted Answer

SYN stealth scan

Answer

A SYN stealth scan (half-open scan) identifies open ports without completing the three-way handshake, leaving fewer log traces.

Question 2

What is the function of a honeypot in a network security strategy?

Accepted Answer

To lure and monitor attackers in a controlled decoy environment

Answer

A honeypot is a decoy system designed to attract attackers, allowing defenders to observe their techniques and gather intelligence.

Question 3

Which port number is associated with HTTPS traffic by default?

Accepted Answer

443

Answer

HTTPS uses port 443 by default for encrypted web traffic secured by TLS/SSL.

Question 4

What does the term 'network baseline' mean in the context of cybersecurity monitoring?

Accepted Answer

A documented record of normal network behavior used to identify anomalies

Answer

A network baseline captures normal traffic patterns and behavior, enabling analysts to detect deviations that may indicate an incident.

Question 5

Which wireless security protocol replaced WEP due to its critical vulnerabilities?

Accepted Answer

WPA2

Answer

WPA2 replaced WEP and uses AES-based CCMP encryption, providing significantly stronger wireless security.

(CSX) Cybersecurity Nexus Certification Practice Test