A list of the available nonkeyboard characters can be seen in Windows by opening what utility?

Which security solution can an organization deploy to prevent unauthorized external access to its internal network?

A. VPN B. Sniffer C. Firewall D. IDS

If an organization is dependent on network services it should consider mirroring and ________ these servers over multiple sites with multiple network connections.

Fill in the blank(s) with the appropriate word(s).