A security administrator is tackling issues related to authenticating users at a remote site. There

have been a large number of security incidents that resulted from either tailgating or impersonation
of authorized users with valid credentials. The security administrator has been told to implement
multifactor authentication in order to control facility access. To secure access to the remote facility,
which of the following could be implemented without increasing the amount of space required at
the entrance?

The security administrator notices a user logging into a corporate Unix server remotely as root.
Which of the following actions should the administrator take?

A company plans to expand by hiring new engineers who work in highly specialized areas. Each
engineer will have very different job requirements and use unique tools and applications in their
job. Which of the following is MOST appropriate to use?

A file on a Linux server has default permissions of rw-rw-r–. The system administrator has verified
that Ann, a user, is not a member of the group owner of the file. Which of the following should be
modified to assure that Ann has read access to the file?

Which of the following protocols uses an asymmetric key to open a session and then establishes a
symmetric key for the remainder of the session?