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?

A company uses PGP to ensure that sensitive email is protected. Which of the following types of
cryptography is being used here for the key exchange?

Which of the following is true about asymmetric encryption?

Encryption used by RADIUS is BEST described as:

Symmetric encryption utilizes __________, while asymmetric encryption utilizes _________.

Users need to exchange a shared secret to begin communicating securely. Which of the following
is another name for this symmetric key?

In order to securely communicate using PGP, the sender of an email must do which of the
following when sending an email to a recipient for the first time?

A network stream needs to be encrypted. Sara, the network administrator, has selected a cipher
which will encrypt 8 bits at a time before sending the data across the network. Which of the
following has Sara selected?

The concept of rendering data passing between two points over an IP based network impervious
to all but the most sophisticated advanced persistent threats is BEST categorized as which of the
following?