21. What is the name of the technology used for converting IP addresses to domain names?
a. DNS
b. DHCP
c. FTP
d. HTTP
22. Which of the following is not a commonly used file format for images on the internet?
a. JPEG
b. PNG
c. PDF
d. GIF
23. Which of the following is not a commonly used file format for videos on the internet?
a. MP4
b. AVI
c. MPG
d. DOCX
24. What is the name of the technology used for remotely accessing a computer or device over the internet?
a. VPN
b. VNC
c. FTP
d. HTTP
25. Which of the following is a popular video conferencing platform?
a. Zoom
b. Instagram
c. Snapchat
d. Pinterest
26. What is the name of the technology used for identifying and blocking unwanted email messages?
a. SPF
b. DKIM
c. DMARC
d. All of the above
27. Which of the following is not a commonly used file format for documents on the internet?
a. PDF
b. DOCX
c. XLSX
d. MP3
28. What is the name of the technology used for routing data between networks on the internet?
a. TCP/IP
b. DNS
c. DHCP
d. FTP
29. Which of the following is a popular online storage and collaboration platform?
a. Google Drive
b. Instagram
c. Twitter
d. LinkedIn
30. Which of the following is a popular project management tool?
a. Trello
b. Facebook
c. YouTube
d. Amazon
