Section: Access Control
Explanation/Reference:
Cost is a factor when considering Biometrics but it is not a security characteristic.
All the other answers are incorrect because they are security characteristics related to Biometrics.
data acquisition process can cause a security concern because if the process is not fast and efficient it can discourage individuals from using the process.
enrollment process can cause a security concern because the enrollment process has to be quick and efficient.
This process captures data for authentication.
speed and user interface can cause a security concern because this also impacts the users acceptance rate of biometrics. If they are not comfortable with the interface and speed they might sabotage the devices or otherwise attempt to circumvent them.
References:
OIG Access Control (Biometrics) (pgs 165-167)
From: TIPTON, Harold F. & KRAUSE, MICKI, Information Security Management Handbook, 4th Edition, Volume 1, Pages 5-6.
in process of correction

SSL provides for Peer Authentication. Though peer authentication is possible, authentication of the client is seldom used in practice when connecting to public e-commerce web sites. Once authentication is complete, confidentiality is assured over the session by the use of symmetric encryption in the interests of better performance.
The following answers were all incorrect:
"Peer identification" is incorrect. The desired attribute is assurance of the identity of the communicating parties provided by authentication and NOT identification. Identification is only who you claim to be. Authentication is proving who you claim to be.
"Server authentication" is incorrect. While server authentication only is common practice, the protocol provides for peer authentication (i.e., authentication of both client and server). This answer was not complete.
"Name resolution" is incorrect. Name resolution is commonly provided by the Domain Name System (DNS) not SSL.

As when a hash algorithm is applied on a message , it produces a message
digest.
The other answers are incorrect because :
A digital signature is a hash value that has been encrypted with a sender's private key.
A ciphertext is a message that appears to be unreadable.
A plaintext is a readable data.
Reference : Shon Harris , AIO v3 , Chapter-8 : Cryptography , Page : 593-594 , 640 , 648

Explanation/Reference:
Since the application layer firewall makes decisions based on application-layer information in the packet, it operates at the application layer of the OSI stack.
"OSI protocol layer 6, the presentation layer" is incorrect. The application layer firewall must have access to the application layer information in the packet and therefore operates at the application layer.
"OSI protocol layer 5, the session layer" is incorrect. The application layer firewall must have access to the application layer information in the packet and therefore operates at the application layer.
"OSI protocol layer 4, the transport layer" is incorrect. The application layer firewall must have access to the application layer information in the packet and therefore operates at the application layer.
References:
CBK, p. 467
AIO3, pp.488 - 490

Explanation/Reference:
Non Discretionary Access Control include Role Based Access Control (RBAC) and Rule Based Access Control (RBAC or RuBAC). RABC being a subset of NDAC, it was easy to eliminate RBAC as it was covered under NDAC already.
Some people think that RBAC is synonymous with NDAC but RuBAC would also fall into this category.
Discretionary Access control is for environment with very low level of security. There is no control on the dissemination of the information. A user who has access to a file can copy the file or further share it with other users.
Rule Based Access Control is when you have ONE set of rules applied uniformly to all users. A good example would be a firewall at the edge of your network. A single rule based is applied against any packets received from the internet.
Mandatory Access Control is a very rigid type of access control. The subject must dominate the object and the subject must have a Need To Know to access the information. Objects have labels that indicate the sensitivity (classification) and there is also categories to enforce the Need To Know (NTK).
Source: KRUTZ, Ronald L. & VINES, Russel D., The CISSP Prep Guide: Mastering the Ten Domains of Computer Security, 2001, John Wiley & Sons, Page 33.