Consider the following hash strategy.

division method

table size

m

$=$

$2$

$5$

m$=2$

$5$

h

$($

k

$)$

$=$

$($

k

$+$

$1$

$)$

m

o

d

$$

$$

m

h$($k$)=($k$+1)$modm

Which of the following statements is correct?

Choice $1$ of $4$: The strategy has no problems.

Choice $2$ of $4$: m should be a prime number.

Choice $3$ of $4$: The hash function is not correct.

Choice $4$ of $4$: m should be a power of $7.$