Explanation/Reference:
Explanation:
ICMP and IGMP work at the network layer of the OSI model.
Incorrect Answers:
A: There is no Datagram Layer in the OSI model.
C: ICMP and IGMP do not belong to the Transport layer of the OSI model. TCP and UDP are examples of protocols working at the transport layer.
D: ICMP and IGMP do not belong to the Transport layer of the OSI model. ARP, OSOF, and MAC are examples of protocols workings at the data link layer.
References:
https://en.wikipedia.org/wiki/Network_layer

The International Standards Organization / Open Systems Interconnection (ISO/OSI) Layers and Characteristics Standard model for network communications enables dissimilar networks to communicate, Defines 7 protocol layers (a.k.a. protocol stack) Each layer on one workstation communicates with its respective layer on another workstation using protocols
(i.e. agreed-upon communication formats) "Mapping" each protocol to the model is useful for
comparing protocols.
Mnemonics: Please Do Not Throw Sausage Pizza Away (bottom to top layer)
All People Seem To Need Data Processing (top to bottom layer).
Source: STEINER, Kurt, Telecommunications and Network Security, Version 1, May 2002, CISSP
Open Study Group (Domain Leader: skottikus), Page 12.

Explanation/Reference:
Explanation:
Fair Information Practice was first developed in the United States in the 1970s by the Department for Health, Education and Welfare (HEW). T Fair Information Practice does not state that there the personal data record-keeping system must be secret.
Incorrect Answers:
A: HEW Fair Information Practices include that there should be mechanisms for individuals to review data about them, to ensure accuracy.
C: HEW Fair Information Practices include
For all data collected there should be a stated purpose

Information collected by an individual cannot be disclosed to other organizations or individuals unless

specifically authorized by law or by consent of the individual
D: HEW Fair Information Practices include
Records kept on an individual should be accurate and up to date

Data should be deleted when it is no longer needed for the stated purpose

References:
https://en.wikipedia.org/wiki/Information_privacy_law

Explanation/Reference:
Explanation:
AES, which Rijndael was designed for, is a symmetric block cipher that supports key sizes of 128, 192, and 256 bits. 256 bits is the maximum key size.
Incorrect Answers:
A, B: 128 bit and 192 bit keys are supported, but it is not the maximum.
D: Rijndael does not support 512 bit keys.
References:
Harris, Shon, All In One CISSP Exam Guide, 6th Edition, McGraw-Hill, 2013, p. 809