Options: is Network Information Service, is a simple directory service whose main purpose is to allow remote authentication of systems on local network systems, was formerly known as yellow pages, allows configuration-such as password and group files
9.The operating system control tables maintains file table, because
Options: (A)These tables manage I/O devices and channels of the computer system. (B) These tables provide information about the existence of files, their location on secondary memory and their current status. (C) These tables provide information to manage process. (D) None of these. 1
Which of the following is not true of immediate processing?
Options: It is often used in real-time applications, It can occur with either sequential of direct-access files, It can be used in an airline-reservation system, Transactions are processed shortly after a real-world event occurs
Options: whenever the normal decrease of atmospheric temperature, when the decrease in temperature or moisture or both takes place, whenever the normal decrease of atmospheric temperature or moisture or both change with height over a short vertical interval, All of the above
You copy a configuration from a network host to a router's RAM. The configuration looks correct, yet it is not working at all. What could the problem be?
Options: You copied the wrong configuration into RAM., You copied the configuration into flash memory instead., The copy did not override the shutdown command in running-config., The IOS became corrupted after the copy command was initiated.
. A real time operating system is most likely to be used for which of the following task?
Options: a. Controlling access to a shared printer in a network
b. Ensuring that system clock works correctly on server
c. Managing the access to system files in a laptop computers
d. Controlling the fuel injection system of an automobile engines
. Data marker on a chart are linked to data points in a worksheet, therefore,
Options: a. You can automatically apply formatting to a data series b. You can change the position of a data marker and automatically change the data point value in the worksheet c. You can change a data print value and automatically are draw the chart d. a and b
. If the cell B1 contains the formula = $A$1, which of the following statements is true
Options: a. There is a relative reference to cell A1
b. There is an absolute reference to cell A1
c. Further changes in value of A1 will not affect the value of B1
d. Further changes in value of B1 will affect the value of A1
Options: by enabling the option “Loot continuously until ‘Esc'”
B. by enabling the option “Repeat Presentation”
C. by enabling the option “Show same Presentation”
D. Presentation cannot be continue once it finished