Options: a. Means do not change the value in the primary key field if that record has related records in another table
b. Means change all the related records in child tables if the record in parent table is changed
c. Both of above
d. None of above
Options: is a device that performs a sequence of operations specified by instructions in memory., is the device where information is stored, is a sequence of instructions, is typically characterized by interactive processing and time-slicing of the CPU's time to allow quick response to each user.
Which of the following statements is true about symmetric multiprocessing?
Options: A single copy of the operating system resides in each processor., Useful for situations where data must remain in memory to process., Bottlenecks increase with uniprocessor systems because tasks are not shared., The problems of memory contention are unlikely.
A network administrator is connecting hosts A and B directly through their Ethernet interfaces, as shown in the illustration. Ping attempts between the hosts are unsuccessful. What can be done to provide connectivity between the hosts?
A crossover cable should be used in place of the straight-through cable. A rollover cable should be used in place of the straight-through cable. The subnet masks should be set to 255.255.255.192. A default gateway needs to be set on each host. The subnet masks should be set to 255.255.255.0.
Options: 1 only, 2 only, 3 and 4 only, 1 and 5 only
. What happens when a user double-clicks an object in the Project pane of the Visual Basic Editor?
Options: a. The associated code is displayed in the Code pane.
b. The associated code is displayed in a new window.
c. The object is deleted from the Project pane.
d. The object’s property sheet opens.
Options: decides which program to run, counts the number of instructions that have been executed, contains the address of the next instruction to be executed, is where arithmetic is done in a computer.
Options: Buffering is the process of temporarily storing the data to allow for small variation in device speeds, Buffering is a method to reduce cross-talks, Buffering is a method to reduce the routing overhead, Buffering is storage of data within the transmitting medium until the receiver is ready to receive