They typically use the 50-60 Hz oscillation of AC power or a 32,768 hertz Chrystal oscillator to keep time. <span />
Answer:
Users can connect to a remote access server through a dial-up connection or a virtual private network (VPN) connection.
Explanation:
A dial-up connection requires both the server and the client computer to have a correctly configured modem. The client and the server connect over analog public telephone networks. To enhance the security of a dial-up connection, use data encryption, Windows logon and domain security, remote access policies and callback security.
Fish-eye because this is how you would see through a "fish eye" point of view in a rounded tank that is commonly used.
May I please have brainliest
