Suppose that the account object, the conflict table for which is described in Figure 20.18, has an additional operation, balance, which returns the balance in the account. Design a new conflict table for this object, including the new operation.

Joint Photographic Experts Group, RAW file, Bitmap Image File, Portable Network Graphics, Graphics Interchange Format, and Tagged Image File Format are examples of ________ graphics

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

Although a frame relay connection is established in much the same way that a T1 connection is, which of the following is an important distinction between the two technologies?

A. Frame relay is point to point, whereas T1 uses virtual circuits. B. T1 uses point to point, while frame relay makes use of virtual circuits. C. T1 connections are established using CSU/DSUs. Frame relay connections require a VPN service on the remote node. D. T1 data traffic must all be transmitted in clear text, while frame relay encrypts data automatically and is more secure.