Which of the following is not true of a magnetic disk?
Options: It is expensive relative to magnetic tape, It provides only sequential access to stored data, Users can easily update records by writing over the old data, It does not provide an automatic audit trail
Options: an error-detecting code based on a summation operation performed on the bits to be checked., a check bit appended to an array of binary digits to make the sum of all the binary digits., a code in which each expression conforms to specific rules of construction, so that if certain errors occur in an expression, the resulting expression will not conform to the rules of construction and thus the presence of the errors is detected., the ratio of the number of data units in error to the total number of data units
Options: a. A high paging activity is called thrashing.
b. A high executing activity is called thrashing
c. A extremely long process is called thrashing
d. A extremely long virtual memory is called thrashing
You are troubleshooting a connectivity problem in your corporate network and want to isolate the problem. You suspect that a router on the route to an unreachable network is at fault. What IOS user exec command should you issue?
Options: Router> ping, Router> trace, Router> show ip route, Router> show interface
Options: a. Can only add values in a range of cells b. Provides a quick way to view the result of an arithmetic operation on a range of cells c. Automatically creates formulas and adds them to a worksheet d. A and c
Options: 4 layers
B. 5 layers
C. 6 layers
D. 7 layers
Ans:– A ,
What is the method of handling deadlocks?
Options: Use a protocol to ensure that the system will never enter a deadlock state.
B. Allow the system to enter the deadlock state and then recover.
C. Pretend that deadlocks never occur in the system.
D. All of the Above