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Which of the following describes the acceptable amount of data loss measured in time?
The Recovery Point Objective (RPO) describes the acceptable amount of data loss measured in time. It is the point in time to which data must
be recovered as defined by the organization. The RPO is generally a definition of what an organization determines is an 'acceptable loss' in a
disaster situation. If the RPO of a company is 2 hours and the time it takes to get the data back into production is 5 hours, the RPO is still 2
hours. Based on this RPO the data must be restored to within 2 hours of the disaster.
Answer B is incorrect. The Recovery Time Objective (RTO) is the duration of time and a service level within which a business process
must be restored after a disaster or disruption in order to avoid unacceptable consequences associated with a break in business continuity. It
includes the time for trying to fix the problem without a recovery, the recovery itself, tests and the communication to the users. Decision time
for user representative is not included. The business continuity timeline usually runs parallel with an incident management timeline and may
start at the same, or different, points.
In accepted business continuity planning methodology, the RTO is established during the Business Impact Analysis (BIA) by the owner of a
process (usually in conjunction with the Business Continuity planner). The RTOs are then presented to senior management for acceptance.
The RTO attaches to the business process and not the resources required to support the process.
Answer D is incorrect. The Recovery Time Actual (RTA) is established during an exercise, actual event, or predetermined based on
recovery methodology the technology support team develops. This is the time frame the technology support takes to deliver the recovered
infrastructure to the business.
Answer C is incorrect. The Recovery Consistency Objective (RCO) is used in Business Continuity Planning in addition to Recovery Point
Objective (RPO) and Recovery Time Objective (RTO). It applies data consistency objectives to Continuous Data Protection services.
Which of the following processes does the decomposition and definition sequence of the Vee model include? Each correct answer represents a part of the solution. Choose all that apply.
Decomposition and definition sequence includes the following processes:
System security analysis
Security requirements allocation
Software security requirements analysis
High level software design
Detailed software design
Answer A is incorrect. This process is included in the integration and verification sequence of the Vee model.
DIACAP applies to the acquisition, operation, and sustainment of any DoD system that collects, stores, transmits, or processes unclassified or classified information since December 1997. What phases are identified by DIACAP?
Each correct answer represents a complete solution. Choose all that apply.
The Department of Defense Information Assurance Certification and Accreditation Process (DIACAP) is a process defined by the United States
Department of Defense (DoD) for managing risk. DIACAP replaced the former process, known as DITSCAP (Department of Defense Information
Technology Security Certification and Accreditation Process), in 2006.
DoD Instruction (DoDI) 8510.01 establishes a standard DoD-wide process with a set of activities, general tasks, and a management structure
to certify and accredit an Automated Information System (AIS) that will maintain the Information Assurance (IA) posture of the Defense
Information Infrastructure (DII) throughout the system's life cycle.
DIACAP applies to the acquisition, operation, and sustainment of any DoD system that collects, stores, transmits, or processes unclassified or
classified information since December 1997. It identifies four phases:
1.System Definition
2.Verification
3.Validation
4.Re-Accreditation
Numerous information security standards promote good security practices and define frameworks or systems to structure the analysis and design for managing information security controls. Which of the following are the international information security standards?
Each correct answer represents a complete solution. Choose all that apply.
Following are the various international information security standards:
Risk assessment and treatment: Analysis of the organization's information security risks
Security policy: Management direction
Organization of information security: Governance of information security
Asset management: Inventory and classification of information assets
Human resources security: Security aspects for employees joining, moving, and leaving an organization
Physical and environmental security: Protection of the computer facilities
Communications and operations management: Management of technical security controls in systems and networks
Access control: Restriction of access rights to networks, systems, applications, functions, and data
Information systems acquisition, development and maintenance: Building security into applications
Information security incident management: Anticipating and responding appropriately to information security breaches
Business continuity management: Protecting, maintaining, and recovering business-critical processes and systems
Compliance: Ensuring conformance with information security policies, standards, laws, and regulations
Answer A is incorrect. AU audit and accountability is a U.S. Federal Government information security standard.
An authentication method uses smart cards as well as usernames and passwords for authentication. Which of the following authentication methods is being referred to?
Multi-factor authentication involves a combination of multiple methods of authentication. For example, an authentication method that uses
smart cards as well as usernames and passwords can be referred to as multi-factor authentication.
Answer B is incorrect. Mutual authentication is a process in which a client process and server are required to prove their identities to
each other before performing any application function. The client and server identities can be verified through a trusted third party and use
shared secrets as in the case of Kerberos v5. The MS-CHAP v2 and EAP-TLS authentication methods support mutual authentication.
Answer A is incorrect. Anonymous authentication is an authentication method used for Internet communication. It provides limited
access to specific public folders and directory information. It is supported by all clients and is used to access unsecured content in public
folders. An administrator must create a user account in IIS to enable the user to connect anonymously.
Answer D is incorrect. Biometrics authentication uses physical characteristics, such as fingerprints, scars, retinal patterns, and other
forms of biophysical qualities to identify a user.
