IT SecurityCâu 71 / 100
What is a VPN (Virtual Private Network) primarily used for?
a.To increase RAM
b.To defragment drives
c.To create a secure, encrypted connection over a public network
d.To generate stronger Wi-Fi signals
Giải thích
A VPN creates an encrypted tunnel between a device and a remote network over the public internet. This protects data from eavesdropping and can mask the user's location. It is widely used for secure remote access to corporate resources.
Luyện miễn phí toàn bộ 100 câu hỏi — không cần đăng ký.
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