Common Network Vulnerabilities Flashcards
6 cards from real CCST practice questions. Tap to flip, then mark Knew It or Still Learning — missed cards come back until you master them.
Read the first 6 Common Network Vulnerabilities flashcards as text
What is the primary goal of a brute force attack?
Answer: To systematically try all possible passwords until the correct one is found
A brute force attack tries every possible combination to guess a password. Strong passwords and lockout policies make it impractical.
Which attack sends a specially crafted packet larger than the maximum allowed size?
Answer: Ping of Death
A Ping of Death sends an oversized ICMP packet that causes a buffer overflow during reassembly.
What is VLAN hopping and how can it be prevented?
Answer: Exploiting trunk port configurations; prevented by disabling DTP and pruning unused VLANs
VLAN hopping exploits misconfigured trunk ports or DTP. Prevention includes disabling DTP and pruning unused VLANs from trunks.
What is the purpose of a honeypot in network security?
Answer: To act as a decoy system that attracts and monitors attackers
A honeypot is a deliberately vulnerable decoy system that helps study attack methods and gather threat intelligence.
Which vulnerability is exploited when an attacker sends more data than a program's buffer can hold?
Answer: Buffer overflow
A buffer overflow overwrites adjacent memory when a program writes more data than the buffer can hold.
What is DNS poisoning and what risk does it pose?
Answer: Inserting false DNS records to redirect users to malicious websites
DNS poisoning injects fraudulent entries into a resolver's cache, redirecting users to attacker-controlled sites.