You use lpstat and determine that a user named user1 has placed two large print jobs in the queue for printer1 that have yet to start printing. they have print job ids of printer1-17 and printer1-21, respectively. which command would you use to remove these two jobs from the print queue?

a. cancel printer1-17 printer1-21
b. cancel –u printer1-17 printer1-21
c. cancel –a printer1-17 printer1-21
d. cancel 17 21

Which of the statements below describe the guidelines for the use of text in presentation programs? a. do not use numbered lists. b. fonts should be appropriate for your audience. c. limit the number of fonts you use to three or four. d. only use bulleted lists for sales promotions. e. select font sizes that are appropriate for your delivery method. f. use font colors that work well with your background. select all that apply