Which of the following refers to a cursor type that when the cursor is opened, a primary key value is saved for each row in the recordset; when the application accesses a row, the key is used to fetch the current values of the row?
After displaying the directory of a floppy disk, a different floppy is inserted into the drive. The contents of the original floppy continue to display regardless of the director requests on the other floppies placed in the drive. You remove the drive in question and install it into your test system, and it does not exhibit the problem. You should next replace the:
Options: System's floppy drive device driver, Original IDE controller, Floppy drive ribbon cable, System's power supply
The rule(s) to follow in constructing decision tables is (are):
Options: a decision should be given a name, the logic of the table is independent of the sequence in which conditions rules are written, but the action takes place in the order is which the events occur., standardized language must be used consistently., All of the above
You connect a host to a switch port, but the new host cannot log into the server that is plugged into the same switch. What could the problem be?
Options: The router is not configured for the new host., The VTP configuration on the switch is not updated for the new host., The host has an invalid MAC address., The switch port the host is connected to is not configured to the correct VLAN membership.
Which of the following statements are correct about an array? 1: The array int num; can store 26 elements. 2: The expression num designates the very first element in the array. 3: It is necessary to initialize the array at the time of declaration. 4: The declaration num[SIZE] is allowed if SIZE is a macro.