Computer Science · Computer Networks
Case Study: Campus Library Network A city library upgrades its network to provide reliable internet for visitors and secure access for staff. Two Wi-Fi networks are created: Library-Guest for visitors and Library-Staff for employees. An on-premise router performs NAT to share a single public IP with many internal devices. A DHCP server automatically assigns IP addresses to users connecting to Wi-Fi. DNS resolves names like catalog.library.local to the internal catalog server. Guests must accept terms on a login page before browsing. Staff working from home connect securely to internal resources using a VPN. Question: When staff work from home and need secure access to internal resources, they should use:
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1Plain HTTP over public Wi-Fi
- 2VPN✓
- 3FTP
- 4Telnet
Correct answer
VPN
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