Demo ISC2 CISSP Exam Questions

Explanation:

Ensuring accountability for changes to the environment is the primary reason for implementing change management. Change management is a process that ensures that any changes to the system or network environment, such as the hardware, software, configuration, or documentation, are planned, approved, implemented, and documented in a controlled and consistent manner. Change management can provide several benefits, such as:

Improving the security and reliability of the system or network environment by preventing or reducing the errors, conflicts, or disruptions that might occur due to the changes
Enhancing the performance and efficiency of the system or network environment by optimizing the resources and functions
Increasing the compliance and alignment of the system or network environment with the internal or external requirements and standards
Facilitating the monitoring and improvement of the system or network environment by tracking and logging the changes and their outcomes
Ensuring accountability for changes to the environment is the primary reason for implementing change management, because it can ensure that the changes are authorized, justified, and traceable, and that the parties involved in the changes are responsible and accountable for their actions and results. Accountability can also help to deter or detect any unauthorized or malicious changes that might compromise the system or network environment.
The other options are not the primary reasons for implementing change management, but rather secondary or specific reasons for different aspects or phases of change management. Certifying and approving releases to the environment is a reason for implementing change management, but it is more relevant for the approval phase of change management, which is the phase that involves reviewing and validating the changes and their impacts, and granting or denying the permission to proceed with the changes. Providing version rollbacks for system changes is a reason for implementing change management, but it is more relevant for the implementation phase of change management, which is the phase that involves executing and monitoring the changes and their effects, and providing the backup and recovery options for the changes. Ensuring that all applications are approved is a reason for implementing change management, but it is more relevant for the application changes, which are the changes that affect the software components or services that provide the functionality or logic of the system or network environment.

Explanation:

Limiting access to predefined queries is the control that would prevent the users from obtaining an individual employee’s salary, if they only require access rights that allow them to view the average salary of groups of employees. A query is a request for information from a database, which can be expressed in a structured query language (SQL) or a graphical user interface (GUI). A query can specify the criteria, conditions, and operations for selecting, filtering, sorting, grouping, and aggregating the data from the database. A predefined query is a query that has been created and stored in advance by the database administrator or the data owner, and that can be executed by the authorized users without any modification. A predefined query can provide several benefits, such as:

Improving the performance and efficiency of the database by reducing the processing time and resources required for executing the queries
Enhancing the security and confidentiality of the database by restricting the access and exposure of the sensitive data to the authorized users and purposes
Increasing the accuracy and reliability of the database by preventing the errors or inconsistencies that might occur due to the user input or modification of the queries
Reducing the cost and complexity of the database by simplifying the query design and management
Limiting access to predefined queries is the control that would prevent the users from obtaining an individual employee’s salary, if they only require access rights that allow them to view the average salary of groups of employees, because it can ensure that the users can only access the data that is relevant and necessary for their tasks, and that they cannot access or manipulate the data that is beyond their scope or authority. For example, a predefined query can be created and stored that calculates and displays the average salary of groups of employees based on certain criteria, such as department, position, or experience. The users who need to view this information can execute this predefined query, but they cannot modify it or create their own queries that might reveal the individual employee’s salary or other sensitive data.
The other options are not the controls that would prevent the users from obtaining an individual employee’s salary, if they only require access rights that allow them to view the average salary of groups of employees, but rather controls that have other purposes or effects. Segregating the database into a small number of partitions each with a separate security level is a control that would improve the performance and security of the database by dividing it into smaller and manageable segments that can be accessed and processed independently and concurrently. However, this control would not prevent the users from obtaining an individual employee’s salary, if they have access to the partition that contains the salary data, and if they can create or modify their own queries. Implementing Role Based Access Control (RBAC) is a control that would enforce the access rights and permissions of the users based on their roles or functions within the organization, rather than their identities or attributes. However, this control would not prevent the users from obtaining an individual employee’s salary, if their roles or functions require them to access the salary data, and if they can create or modify their own queries. Reducing the number of people who have access to the system for statistical purposes is a control that would reduce the risk and impact of unauthorized access or disclosure of the sensitive data by minimizing the exposure and distribution of the data. However, this control would not prevent the users from obtaining an individual employee’s salary, if they are among the people who have access to the system, and if they can create or modify their own queries.

Explanation:

Security Assertion Markup Language (SAML) is the best solution for the manufacturing organization that wants to establish a Federated Identity Management (FIM) system with its 20 different supplier companies. FIM is a process that allows the sharing and recognition of identities across different organizations that have a trust relationship. FIM enables the users of one organization to access the resources or services of another organization without having to create or maintain multiple accounts or credentials. FIM can provide several benefits, such as:
Improving the user experience and convenience by reducing the need for multiple logins and passwords
Enhancing the security and privacy by minimizing the exposure and duplication of sensitive information
Increasing the efficiency and productivity by streamlining the authentication and authorization processes
Reducing the cost and complexity by simplifying the identity management and administration
SAML is a standard protocol that supports FIM by allowing the exchange of authentication and authorization information between different parties. SAML uses XML-based messages, called assertions, to convey the identity, attributes, and entitlements of a user to a service provider. SAML defines three roles for the parties involved in FIM:
Identity provider (IdP): the party that authenticates the user and issues the SAML assertion
Service provider (SP): the party that provides the resource or service that the user wants to access
User or principal: the party that requests access to the resource or service
SAML works as follows:
The user requests access to a resource or service from the SP
The SP redirects the user to the IdP for authentication
The IdP authenticates the user and generates a SAML assertion that contains the user’s identity, attributes, and entitlements
The IdP sends the SAML assertion to the SP
The SP validates the SAML assertion and grants or denies access to the user based on the information in the assertion
SAML is the best solution for the manufacturing organization that wants to establish a FIM system with its 20 different supplier companies, because it can enable the seamless and secure access to the resources or services across the different organizations, without requiring the users to create or maintain multiple accounts or credentials. SAML can also provide interoperability and compatibility between different platforms and technologies, as it is based on a standard and open protocol.
The other options are not the best solutions for the manufacturing organization that wants to establish a FIM system with its 20 different supplier companies, but rather solutions that have other limitations or drawbacks. Trusted third-party certification is a process that involves a third party, such as a certificate authority (CA), that issues and verifies digital certificates that contain the public key and identity information of a user or an entity. Trusted third-party certification can provide authentication and encryption for the communication between different parties, but it does not provide authorization or entitlement information for the access to the resources or services. Lightweight Directory Access Protocol (LDAP) is a protocol that allows the access and management of directory services, such as Active Directory, that store the identity and attribute information of users and entities. LDAP can provide a centralized and standardized way to store and retrieve identity and attribute information, but it does not provide a mechanism to exchange or federate the information across different organizations. Cross-certification is a process that involves two or more CAs that establish a trust relationship and recognize each other’s certificates. Cross-certification can extend the trust and validity of the certificates across different domains or organizations, but it does not provide a mechanism to exchange or federate the identity, attribute, or entitlement information.