How many data blocks are utilized for a file with $1$ GB of data? Assume $4$KB blocks.

Group of answer choices

$256$

$262,144$

$1024$

$324,125$

How many blocks of direct pointers $($blocks pointed to by indirect pointers$)$ are necessary to reference the data blocks in question $1.$ Assume $4$ byte addresses.

Group of answer choices

$512$

$12$

$124$

$256$

How many blocks of indirect pointers $($blocks pointed to by double indirect pointers$)$ are necessary to reference the direct pointer blocks in question $2?$ Group of answer choices

$0$

$1$

$2$

$3$

How many blocks of double indirect pointers $($blocks pointed to a triple indirect pointer$)$ are necessary to reference the indirect pointer blocks in question $3?$

Group of answer choices

$0$

$1$

$2$

$3$

In the previous questions, how many total blocks are needed $($not including the inode$)?$

Group of answer choices

$262389$

$231564$

$262144$

$244$

How many physical reads $($as a worst case$)$ would it take to access any particular data block $?$ Assume you will have to read the inode.

Group of answer choices

$1$

$2$

$3$

$4$