If an identification process using a biometric system detects a 100% match between a presented template and a stored template, the interpretation of this result is suspected tampering. A biometric system is a system that uses physical or behavioral characteristics of a person to verify their identity, such as fingerprint, iris, voice, or face. A biometric system compares the presented template, which is the biometric data captured from the person at the time of identification, with the stored template, which is the biometric data enrolled and stored in the system database. A biometric system usually does not produce a 100% match, as there are always some variations or errors in the biometric data due to environmental, physiological, or technical factors. A biometric system uses a threshold or a tolerance level to determine whether the match is acceptable or not. A 100% match is very unlikely and suspicious, as it may indicate that someone has tampered with the biometric system or the biometric data, such as by copying, modifying, or spoofing the stored template or the presented template12 References: CISSP All-in-One Exam Guide, Eighth Edition, Chapter 5: Identity and Access Management, p. 267; Official (ISC)2 CISSP CBK Reference, Fifth Edition, Domain 5: Identity and Access Management, p. 647.

Security baseline configurations are the minimum security standards or requirements that a system or network must meet to ensure a basic level of security. Security baseline configurations are often defined by the organization's policies, industry best practices, or regulatory compliance. The best method to verify that security baseline configurations are maintained is to perform regular system security testing. System security testing is a process of evaluating the security controls and mechanisms of a system or network to ensure that they are functioning properly and effectively. System security testing can help to identify any deviations from the security baseline configurations, as well as any new or emerging vulnerabilities or threats. Designing security early in the development cycle, analyzing logs to determine user activities, or performing quarterly risk assessments are also good practices, but they are not as effective or comprehensive as system security testing to verify that security baseline configurations are maintained. References: CISSP All-in-One Exam Guide, Eighth Edition, Chapter 9: Security Assessment and Testing, page 566; CISSP Official (ISC)2 Practice Tests, Third Edition, Domain 6: Security Assessment and Testing, Question 6.5, page 241.

The reason is that it uses three keys. Four keys cannot be used.
The other alternatives do not use as many keys so less secure.
We do not believe there is such a thing as DES-EDE1, but it would still be less secure if it would
exist.

Explanation/Reference:
Explanation:
If the packet needs to go to a specific group of systems, the sending system uses the multicast method.
Incorrect Answers:
A: There is no LAN transmission method called Overcast.
B: Unicast is a one-to-one transmission.
D: If a system wants all computers on its subnet to receive a message, it will use the broadcast method.
References:
Harris, Shon, All In One CISSP Exam Guide, 6th Edition, McGraw-Hill, New York, 2013, p. 579