Cyber Security Network Security 2

Question 1

What is a VPN primarily used for in a corporate environment?

Accepted Answer

Create a secure encrypted tunnel for remote access

Answer

Speed up internet browsing

Answer

Block malware downloads

Answer

Monitor employee emails

Question 2

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

Accepted Answer

SYN (half-open) scan

Answer

Full connect scan

Answer

UDP scan

Answer

FIN scan

Question 3

What does MAC address spoofing allow an attacker to do on a network?

Accepted Answer

Impersonate another device's hardware address

Answer

Encrypt traffic between hosts

Answer

Bypass TLS certificate checks

Answer

Escalate privileges on a server

Question 4

Which protocol is most vulnerable to ARP poisoning attacks?

Accepted Answer

IPv4 on a local network segment

Answer

IPv6

Answer

HTTPS traffic

Answer

DNS over TLS

Question 5

What is the purpose of network segmentation in cybersecurity?

Accepted Answer

Limit lateral movement by isolating network zones

Answer

Increase internet bandwidth

Answer

Improve DNS resolution speed

Answer

Reduce firewall rule complexity

Question 6

Which technology monitors network traffic for known attack signatures and can automatically block them?

Accepted Answer

IPS

Answer

IDS

Answer

SIEM

Answer

NAC