Interact, perhaps, on the firm's social accounts - perhaps make a comment.
Don't be scared to say you don't know the response to questions. Don't lie.
Specify your career goals and why you would like this role.
Job Hunting Tips:
"Create job hunting toolkit and craft job-gaining abilities. After your job goals have been picked out, a CV and application letters can be tweaked to present your abilities so that they agree with the requirements of potential employers."
Some useful things would be:
Keen to learn, able to multi task and prioritise with excellent attention to detail
A logical mind and strong work ethic
A self-starter who can motivate themselves without supervision