The most effective solution that restricts a bank teller to only perform a savings deposit transaction but allows a supervisor to perform corrections after the transaction is that access is based on user’s role. Access is based on user’s role is a type of access control or a protection mechanism or process that grants or denies the access or the permission to the resources or the data within a system or a service, based on the role or the function of the user or the device within an organization, such as the bank teller, the supervisor, or the manager. Access is based on user’s role can provide a high level of security or protection for the system or the service, as it can prevent or reduce the risk of unauthorized or inappropriate access or permission to the resources or the data within the system or the service, by the user or the device that does not have the appropriate or the necessary role or function within the organization, such as the bank teller, the supervisor, or the manager. Access is based on user’s role can also provide the convenience or the ease of management for the system or the service, as it can simplify or streamline the access control or the protection mechanism or process, by assigning or applying the predefined or the preconfigured access or permission policies or rules to the role or the function of the user or the device within the organization, such as the bank teller, the supervisor, or the manager, rather than to the individual or the specific user or device within the organization, such as the John, the Mary, or the Bob. Access is based on user’s role is the most effective solution that restricts a bank teller to only perform a savings deposit transaction but allows a supervisor to perform corrections after the transaction, as it can ensure or maintain the security or the quality of the transactions or the data within the system or the service, by limiting or restricting the access or the permission to the transactions or the data within the system or the service, based on the role or the function of the user or the device within the organization, such as the bank teller, the supervisor, or the manager, and by allowing or enabling the different or the additional access or permission to the transactions or the data within the system or the service, based on the role or the function of the user or the device within the organization, such as the bank teller, the supervisor, or the manager.
A. Access is based on rules is not the most effective solution that restricts a bank teller to only perform a savings deposit transaction but allows a supervisor to perform corrections after the transaction, but rather a type of access control or a protection mechanism or process that grants or denies the access or the permission to the resources or the data within a system or a service, based on the rules or the conditions that are defined or specified by the system or the service, or by the administrator or the owner of the system or the service, such as the time, the location, or the frequency. Access is based on rules can provide a moderate level of security or protection for the system or the service, as it can prevent or reduce the risk of unauthorized or inappropriate access or permission to the resources or the data within the system or the service, by the user or the device that does not meet or satisfy the rules or the conditions that are defined or specified by the system or the service, or by the administrator or the owner of the system or the service, such as the time, the location, or the frequency. However, access is based on rules is not the most effective solution that restricts a bank teller to only perform a savings deposit transaction but allows a supervisor to perform corrections after the transaction, as it does not take into account or consider the role or the function of the user or the device within the organization, such as the bank teller, the supervisor, or the manager, and as it can be complex or difficult to define or specify the rules or the conditions that are appropriate or suitable for the different or the various transactions or the data within the system or the service, such as the savings deposit transaction, the checking withdrawal transaction, or the loan application transaction.
B. Access is determined by the system is not the most effective solution that restricts a bank teller to only perform a savings deposit transaction but allows a supervisor to perform corrections after the transaction, but rather a type of access control or a protection mechanism or process that grants or denies the access or the permission to the resources or the data within a system or a service, based on the decision or the judgment of the system or the service, or of the algorithm or the program that is implemented or executed by the system or the service, such as the artificial intelligence, the machine learning, or the neural network. Access is determined by the system can provide a high level of security or protection for the system or the service, as it can prevent or reduce the risk of unauthorized or inappropriate access or permission to the resources or the data within the system or the service, by the user or the device that is not approved or authorized by the system or the service, or by the algorithm or the program that is implemented or executed by the system or the service, such as the artificial intelligence, the machine learning, or the neural network. However, access is determined by the system is not the most effective solution that restricts a bank teller to only perform a savings deposit transaction but allows a supervisor to perform corrections after the transaction, as it does not take into account or consider the role or the function of the user or the device within the organization, such as the bank teller, the supervisor, or the manager, and as it can be unpredictable or unreliable to rely or depend on the decision or the judgment of the system or the service, or of the algorithm or the program that is implemented or executed by the system or the service, such as the artificial intelligence, the machine learning, or the neural network, for the access control or the protection mechanism or process.
D. Access is based on data sensitivity is not the most effective solution that restricts a bank teller to only perform a savings deposit transaction but allows a supervisor to perform corrections after the transaction, but rather a type of access control or a protection mechanism or process that grants or denies the access or the permission to the resources or the data within a system or a service, based on the sensitivity or the classification of the resources or the data within the system or the service, such as the public, the confidential, or the secret. Access is based on data sensitivity can provide a moderate level of security or protection for the system or the service, as it can prevent or reduce the risk of unauthorized or inappropriate access or permission to the resources or the data within the system or the service, by the user or the device that does not have the appropriate or the necessary clearance or authorization to access or to handle the resources or the data within the system or the service, based on the sensitivity or the classification of the resources or the data within the system or the service, such as the public, the confidential, or the secret. However, access is based on data sensitivity is not the most effective solution that restricts a bank teller to only perform a savings deposit transaction but allows a supervisor to perform corrections after the transaction, as it does not take into account or consider the role or the function of the user or the device within the organization, such as the bank teller, the supervisor, or the manager, and as it can be complex or difficult to define or specify the sensitivity or the classification of the resources or the data within the system or the service, such as the transactions or the data that are related or relevant to the different or the various types or categories of the accounts or the customers within the system or the service, such as the savings account, the checking account, or the loan account, or the personal account, the business account, or the government account.
References: CISSP All-in-One Exam Guide, Eighth Edition, Chapter 5, page 147; Official (ISC)2 CISSP CBK Reference, Fifth Edition, Chapter 5, page 212