To generate CRC bits for a message sent over a data link, the polynomial $1+x+x^3+x^4$

is employed.

$($i$)$ The message $011001010$ is received. Should a re$-$transmission be requested? Justify

your answer.

$($ii$)$ Calculate the CRC bits for message $10111$ and state the encoded message.

$[10$ Marks$]$