Options: a. Required when a table does not have any unique fields in it
b. The primary key with AutoNumber as the field type
c. Made up of two or more fields to uniquely identify records
d. Is a foreign key that uniquely identifies records
Four routers have to be interconnected in a point-to-point Network. Each pair of root us may connected by a high-speed line, a medium speed line or a low speed line. Find the total number of topologies.
. What is the difference between ‘open’ and ‘open exclusively’
Options: a. Open statement opens access database files and open exclusively opens database files of other program like oracle
b. Open exclusive locks whole database so that no one can access it whereas open locks only the record that is being accessed
c. Both open and open exclusively are same
d. Open exclusive command does not exist in MS Access
. A transaction completes its execution is said to be
Ans: – D
. To select a block of text, click at the beginning of the selection, scroll to the end of the selection, position the mouse pointer at the end of the selection, hold down the _____ key, and then click (or drag through the text).
Options: Only the joining attributes are sent from one site to another and then all of the rows are returned., All of the attributes are sent from one site to another and then only the required rows are returned., Only the joining attributes are sent from one site to another and then only the required rows are returned., All of the attributes are sent from one site to another and then only the required rows are returned.
You have been contracted to install a windows NT network in an office that is located in a strip mall. The office is located next to the power plant of the building, so a UPS (uninterruptible power supply) has already been installed. What type of cable should you use for the network cabling? Choose the best answer.