Source: KRUTZ, Ronald L. & VINES, Russel D., The CISSP Prep Guide: Mastering the Ten Domains of Computer Security, pages 231, 348. Marking, handling and storage are all media viability controls used to protect the viability of data storage media.

Block ciphers do not use public cryptography (private and public keys).
Block ciphers is a type of symmetric-key encryption algorithm that transforms a fixed-size block of plaintext (unencrypted text) data into a block of ciphertext (encrypted text) data of the same length. They are appropriate for software implementations and can operate internally as a stream. See more info below about DES in Output Feedback Mode (OFB), which makes use internally of a stream cipher.
The output feedback (OFB) mode makes a block cipher into a synchronous stream cipher.
It generates keystream blocks, which are then XORed with the plaintext blocks to get the ciphertext. Just as with other stream ciphers, flipping a bit in the ciphertext produces a flipped bit in the plaintext at the same location. This property allows many error correcting codes to function normally even when applied before encryption.
Reference(s) used for this question:
Wikipedia on Block Cipher mode at:
https://en.wikipedia.org/wiki/Block_cipher_mode_of_operation
and
http://www.itl.nist.gov/fipspubs/fip81.htm

Explanation/Reference:
Explanation:
Copyright law does not product the idea itself. Copyright law protects the right of an author to control the public distribution, reproduction, display, and adaptation of his original work.
Incorrect Answers:
A: Copyright law protects the right of an author to control the public distribution of his original work.
B: Copyright law protects the right of an author to control the reproduction of his original work.
D: Copyright law protects the right of an author to control the display of his original work.
References:
Harris, Shon, All In One CISSP Exam Guide, 6th Edition, McGraw-Hill, New York, 2013, p. 1000

Since circuit level gateways are not as high in the OSI model for the inspection as Application level firewalls, they are easier to maintain and configure. Application layer firewalls are up to layer 7 of the OSI model and provide a great bunch of options and complex configurations. Application layer firewalls are more secure than circuit level gateway because they can track and analyze information up to layer 7, a drawback to this, is that this functionality makes them slower.

It is critical that a determination be made of WHAT data is important and should be
retained and protected. Without determining the data to be backed up, the potential for error
increases. A record or file could be vital and yet not included in a backup routine. Alternatively,
temporary or insignificant files could be included in a backup routine unnecessarily.
The following answers were incorrect:
When to make backups Although it is important to consider schedules for backups, this is done
after the decisions are made of what should be included in the backup routine.
Where to keep backups The location of storing backup copies of data (Such as tapes, on-line
backups, etc) should be made after determining what should be included in the backup routine
and the method to store the backup.
How to store backups The backup methodology should be considered after determining what data should be included in the backup routine.