Which resource a user access a cloud servise

Jason is working on a microsoft excel worksheet and he wants to create a print preview shortcut. his teacher asks him to access the customization option to create the new shortcut. which two tabs should jason select to place the print preview shortcut on the worksheet toolbar? a. new tab (custom) and new group (custom) b. new file tab (custom) and new tab (custom) c. new custom group and new command d. new custom tab and new command

Can someone work out the answer as it comes up in one of my computer science exams and i don't understand the cryptovariables

Which type of entity describes a fundamental business aspect of a database? a. linking b. lookup c. domain d. weak