privileged mode

What Is Exec Mode?

by

What Is Exec Mode? User EXEC level allows you to access only basic monitoring commands; privileged EXEC level allows you to access all router commands. … There are five command modes: global configuration mode, interface configuration mode, subinterface configuration mode, router configuration mode, and line configuration mode. What are the differences between privilege exec mode

What Events Cause The CPU To Switch From User Mode To Kernel Mode?

by

What Events Cause The CPU To Switch From User Mode To Kernel Mode? There are three events at which the processor should switch to the kernel address space: (1) supervisor call (called a trap instruction on the PDP-11); (2) an interrupt; and (3) an illegal instruction. How a user mode is transferred to kernel mode?