CST CST Network Security & Cybersecurity for Surveillance

Question 1

Which protocol is recommended for encrypting video streams transmitted over an IP surveillance network?

Accepted Answer

RTSP over TLS (RTSPS)

Answer

FTP

Answer

Telnet

Answer

HTTP

Question 2

What is the primary purpose of placing surveillance cameras and NVRs on a separate VLAN?

Accepted Answer

To isolate surveillance traffic and limit unauthorized access

Answer

To increase video resolution

Answer

To reduce power consumption

Answer

To enable remote viewing without credentials

Question 3

Which of the following is the BEST practice when setting up default credentials on new IP cameras?

Accepted Answer

Change default usernames and passwords immediately

Answer

Leave factory defaults for easy recovery

Answer

Use the same password across all cameras for convenience

Answer

Disable all authentication to speed up access

Question 4

What does a network intrusion detection system (NIDS) do in a surveillance environment?

Accepted Answer

Monitors network traffic for suspicious or malicious activity

Answer

Records video footage to backup drives

Answer

Controls PTZ camera movement

Answer

Compresses video for storage

Question 5

Which port should be closed or filtered on surveillance network devices if Telnet is not required?

Accepted Answer

Port 23

Answer

Port 80

Answer

Port 443

Answer

Port 554

Question 6

What security measure ensures that only authorized devices can connect to a surveillance network switch port?

Accepted Answer

Port security / 802.1X authentication

Answer

DHCP reservation

Answer

NAT translation

Answer

SNMP community strings