Which of the following is true concerning open-source DBMS?
Options: Is free or nearly free database software whose source code is publicly available, Is free or nearly free database software whose source code is not publicly available, Is not competitive against PC-oriented packages and is fully SQL compliant, Is competitive against PC-oriented packages and is not fully SQL compliant
A switch has been configured for three different VLANs: VLAN2, VLAN3, and VLAN4. A router has been added to provide communication between the VLANs. What type of interface is necessary on the router if only one connection is to be made between the router and the switch?
The word 'linear' in linear programming is used to describe:
Options: relationship among two or more variables in a straight line, relationship among two or more variable which are directly proportional, relationship among two or more variables is linear, all of the above
We have been given access to the company's operational data, and have been asked to produce a report. We discover that some of the data we need are in an SQL server database while other needed data are in a separate Oracle database. This is an example of ________ .
Options: dirty data, inconsistent data, non-integrated data, a "wrong format" problem
Suppose that you have a the maintenance package identifies several possible field replaceable units (FRUs) that will resolve the problem. What should you do after turning the power off?
Options: Replace the indicated parts, one at a time in the recommended sequence, until the problem is resolved; return unused FRUs to stock, Replace all of the indicated FRUs at once and return the machine to the customer if the problem is resolved, Follow the same procedure as in ays replace the system board first if it is on the list of possible FRUs If multiple FRUs are indicated, then software is the most likely source of the problem, None of the above
Options: It sends back the protocol received from a router as a poison pill, which stops the regular updates., It is information received from a router that can't be sent back to the originating router., It prevents regular update messages from reinstating a route that has just come up., It describes when a router sets the metric for a downed link to infinity.
. When you delete a text box object from a slide in PowerPoint Presentation
Options: a. The object is deleted but text box and the text inside is left on the slide b. The text box is deleted and the text is pasted on the slide c. The text box and text both are deleted d. None of above
The fundamental requirements of private-to-public network interconnection methods which need to be provided in gateways is/are
Options: universal accessibility for private network Data Terminal Equipment (DTE), adequate cost control mechanisms for administration of the private networks, to assign address to private network DTEs, a and b both
What is the main difference between a mainframe and a super computer?
Options: A) Super computer is much larger than mainframe computers
B) Super computers are much smaller than mainframe computers
C) Supercomputers are focused to execute few programs as fast as possible while mainframe uses its power to execute as many programs concurrently
D) Supercomputers are focused to execute as many programs as possible while mainframe uses its power to execute few programs as fast as possible.
Options: means storing records in contiguous blocks according to a key., Stores records sequentially but uses an index to locate records, uses an index for each key type, has records placed randomly throughout the file
Which, of the following, is true for testing and debugging?
Options: Testing checks for logical errors in the programs, while debugging is a process of correcting those errors in the program, Testing detects the syntax errors in the program while debugging corrects those errors in the program, Testing and debugging indicate the same thing, All of the above