Hello can u help me with this questions ?

i have last 40 minutes

Paging - two-level index tables mode of operation Select one or more: a. The content of the level 1 table element is concatenated (combined) with the content of the level 2 table element. b. The content of a level 1 table element points to a level 2 table c. The content of a level 1 table element points to a level 2 table d. The content of a level 1 table element is an index in a level 2 table Q2 The process context includes: Select one or more: In which virtualization mode can kernel sharing between guest OSes occur? a. Process descriptor b. External device registers c. Code and data d. General purpose registers Q3 The following situations cause the exceptions (processor internal interrupts) of the "error" type: Select one or more: a. an attempt to write to the page for which the "read only" bit is set. b. a reference to memory that is not in the address space c. memory reference in the area of the page that is not in memory d. memory reference beyond limit register value Q4 Q.5 The Test-And-Set or Compare-And-Swap instruction has the following characteristics: Select one or more: a. Requires active waiting from tasks b. It is possible to use only in 1-processor systems c. It is possible to use only on computers with common memory d. It is possible to deadlock with TAS/CAS operations on multiple variables