Cyber Security Network Security

Question 1

Which protocol provides encryption for data transmitted over a network by operating at the transport layer?

Accepted Answer

TLS

Answer

FTP

Answer

HTTP

Answer

SNMP

Question 2

What type of firewall inspects the state of active connections and makes decisions based on connection context?

Accepted Answer

Stateful inspection

Answer

Packet filter

Answer

Application proxy

Answer

Circuit-level gateway

Question 3

Which attack involves an adversary positioning themselves between two communicating parties to intercept traffic?

Accepted Answer

Man-in-the-Middle (MitM)

Answer

Replay attack

Answer

Smurf attack

Answer

Teardrop attack

Question 4

What is the primary purpose of a DMZ (Demilitarized Zone) in network architecture?

Accepted Answer

Host public-facing services while isolating the internal network

Answer

Store encrypted backups

Answer

Monitor employee activity

Answer

Provide VPN access to remote users

Question 5

Which port is used by default for HTTPS traffic?

Accepted Answer

443

Answer

80

Answer

8080

Answer

22

Question 6

What does a network IDS (Intrusion Detection System) primarily do?

Accepted Answer

Monitor and alert on suspicious network activity

Answer

Block malicious traffic automatically

Answer

Encrypt network communications

Answer

Manage firewall rules