Brian is selecting an authentication protocol for a ppp connection. he would like to select an option that encrypts both usernames and passwords and protects against replay using a challenge/response dialog. he would also like to re-authenticate remote systems periodically. which protocol should he use? group of answer choices
leap
pap
chap
eap

Why is it uncommon for users to perform searches directly in database tables? a.)users are discouraged from interacting directly with tables because they might confuse tables with spreadsheets. b.) users are discouraged from interacting directly with tables because this may result in unintended changes to source data. c.)users do not have the technical skills required to perform searches directly in database tables. d.)users do not have the permissions required to perform searches directly in database tables.