CPA Network Security & Protocols 2

Question 1

Which encryption protocol is used by HTTPS to secure web traffic?

Accepted Answer

TLS

Answer

HTTPS uses TLS (Transport Layer Security) to encrypt data between the client and server.

Question 2

What does a DMZ (Demilitarized Zone) in network security accomplish?

Accepted Answer

Isolates public-facing servers from the internal network

Answer

A DMZ places public-facing servers in a separate network segment, limiting exposure of the internal network if those servers are compromised.

Question 3

Which port does DNS typically use?

Accepted Answer

53

Answer

DNS uses port 53 for both UDP (standard queries) and TCP (zone transfers or large responses).

Question 4

What is the primary purpose of an Intrusion Detection System (IDS)?

Accepted Answer

Monitor and alert on suspicious network activity

Answer

An IDS monitors network or system activity and generates alerts when it detects suspicious or malicious behavior.

Question 5

Which protocol provides secure remote login and command execution over an encrypted connection?

Accepted Answer

SSH

Answer

SSH (Secure Shell) encrypts the session, replacing the insecure Telnet protocol for remote administration.

(CPA) Certified Associate Programmer Practice Test