Network Security & Protocols Flashcards
7 cards from real CPA practice questions. Tap to flip, then mark Knew It or Still Learning — missed cards come back until you master them.
Read the first 7 Network Security & Protocols flashcards as text
Which encryption protocol is used by HTTPS to secure web traffic?
Answer: TLS
HTTPS uses TLS (Transport Layer Security) to encrypt data between the client and server.
What does a DMZ (Demilitarized Zone) in network security accomplish?
Answer: Isolates public-facing servers from the internal network
A DMZ places public-facing servers in a separate network segment, limiting exposure of the internal network if those servers are compromised.
Which port does DNS typically use?
Answer: 53
DNS uses port 53 for both UDP (standard queries) and TCP (zone transfers or large responses).
What is the primary purpose of an Intrusion Detection System (IDS)?
Answer: Monitor and alert on suspicious network activity
An IDS monitors network or system activity and generates alerts when it detects suspicious or malicious behavior.
Which protocol provides secure remote login and command execution over an encrypted connection?
Answer: SSH
SSH (Secure Shell) encrypts the session, replacing the insecure Telnet protocol for remote administration.
What is a man-in-the-middle (MITM) attack?
Answer: Intercepting and potentially altering communication between two parties
In a MITM attack, an adversary secretly intercepts and can modify messages between two communicating parties.
What does the acronym ARP stand for in networking?
Answer: Address Resolution Protocol
ARP (Address Resolution Protocol) maps an IP address to its corresponding MAC address on a local network.