Which bootloader does Ubuntu use by default?

Match the following wildcard characters with their example

I. * II. # III. ? IV. ! V. - A. To match any number of characters B. To match any single numeric character C. To match any range of characters in ascending order D. To match any single character E. To match any single character NOT within the brackets

A positive feedback loop mechanism monitors the system and, when it becomes too congested, signals the Job Scheduler to slow down the arrival rate of processes.

Answer the following statement true (T) or false (F)