A network administrator wants to upgrade the IOS of a router without removing the image currently installed. What command will display the amount of memory consumed by the current IOS image and indicate whether there is enough room available to hold both the current and new images?
Options: show version, show flash, show memory, show buffers
Options: a. By positioning your cursor at the appropriate place and pressing the F1 key
b. By using the Insert/Section break on the Insert tab
c. By positioning your cursor at the appropriate place and pressing Ctrl+Enter
d. By changing the font size of your document
. Which of the following statements about criteria in a query is NOT true?
Options: a. Criteria can contain wildcard characters.
b. Criteria in a query selects or excludes certain records.
c. Criteria cannot be specified as an expression.
d. Multiple criteria can be specified using AND, OR, and relational operators.
What SQL command will allow you to change the table STUDENT to add the constraint named GradeCheck that states that the values of the Grade column must be greater than 0?
Options: ALTER TABLE STUDENT ALTER CONSTRAINT GradeCheck (Grade > 0);, ALTER TABLE STUDENT ADD CONSTRAINT GradeCheck (Grade > 0);, ALTER TABLE STUDENT ADD CONSTRAINT GradeCheck CHECK (Grade > 0);, None of the above is correct.
Options: Page Replacement Algorithm
B. Memory Management Algorithm
C. Deadlock Prevention Algorithm
D. Disk Scheduling Algorithm
Ans:– A ,
How do you insert a row?
Options: a. Right-click the row heading where you want to insert the new row and select Insert from the shortcut menu b. Select the row heading where you want to insert the new row and select Edit >Row from the menu c. Select the row heading where you want to insert the new row and click the Insert Row button on the standard toolbar d. All of the above
Options: A) Distributed data processing first became popular
B) An operating system was first developed
C) High level procedural language were first used
D) Online real time systems first become popular
Which of the following will happen when data is entered into a memory location?
Options: It will add to the content of the location, It will change the address of the memory location, It will erase the previous content, It will not be fruitful if thjere is already some data at that location