Information Technology Specialist (ITS) Cybersecurity Practice Exam

Which two protocols provide encryption to secure data in transit? (Choose 2)

1. FTP and HTTP

2. SMTP and SNMP

3. HTTPS and SSH

4. Telnet and DNS

The correct answer is: HTTPS and SSH

The two protocols that provide encryption to secure data in transit are HTTPS and SSH. HTTPS, or Hypertext Transfer Protocol Secure, is widely used for secure communication over a computer network, particularly the internet. It combines the standard HTTP with SSL/TLS (Secure Sockets Layer/Transport Layer Security), which encrypts the data exchanged between a user's browser and a web server. This prevents eavesdropping and tampering by securing the confidentiality and integrity of the data. SSH, or Secure Shell, is a protocol used to securely access and manage devices over a network. It uses encryption to provide a secure channel over an unsecured network, ensuring that commands sent to the server are confidential and that sensitive data is protected from interception. The other protocols listed, such as FTP, HTTP, SMTP, SNMP, Telnet, and DNS, do not provide built-in encryption for their communications, making them vulnerable to interception and attacks. Therefore, HTTPS and SSH are critical for achieving secure data transmission in various applications.