Explanation may include the following:
- Protocols
- DNS Security Extensions (DNSSEC)
- Secure Shell (SSH)
- Secure/Multipurpose Internet Mail Extensions (S/MIME)
- Secure Real-Time Transport Protocol (SRTP)
- Lightweight Directory Access Protocol (LDAP)
- File Transfer Protocol with SSL (FTPS)
- Secured File Transfer Protocol (SFTP)
- Simple Network Management Protocol, version 3 (SNMPv3)
- SSL/TLS
- Hypertext Transfer Protocol over SSL/TLS (HTTPS)
- Secure Post Office Protocol/Internet Message Access Protocol (POP / IMAP)
- Use cases
- Voice and video
- Time synchronization
- Email
- Web
- File transfer
- Directory services
- Remote access
- Domain name resolution
- Routing and switching
- Network address allocation
- Subscription services
Note: Be sure to look for newest protocols and implementations.
Process/Skill Questions:
- What protocols are used to secure file transfers?
- What protocols are used to secure email?
- How can DNS be secured?