ISC CCSP Practice Test - Questions Answers, Page 31

The recovery service level (RSL) measures the percentage of operations that would be recovered during a BCDR situation. The recovery point objective (RPO) sets and defines the amount of data an organization must have available or accessible to reach the determined level of operations necessary during a BCDR situation. The recovery time objective (RTO) measures the amount of time necessary to recover operations to meet the BCDR plan. SRE is provided as an erroneous response.

Vendor recommendations would not be pertinent to the gap analysis after an audit. Although vendor recommendations will typically play a role in the development of corporate policies or contractual requirements, they are not required. Regulations, corporate policy, and contractual requirements all determine the expected or mandated controls in place on a system.

IPSec is a protocol for encrypting and authenticating packets during transmission between two parties and can involve any type of device, application, or service.

The protocol performs both the authentication and negotiation of security policies between the two parties at the start of the connection and then maintains these policies throughout the lifetime of the connection. TLS operates at the application layer, not the network layer, and is widely used to secure communications between two parties. SSL is similar to TLS but has been deprecated. Although a VPN allows a secure channel for communications into a private network from an outside location, it's not a protocol.

Hashing involves taking a block of data and, through the use of a one-way operation, producing a fixed-size value that can be used for comparison with other data. It is used primarily for protecting data and allowing for rapid comparison when matching data values such as passwords. Labels involve looking for header information or other categorizations of data to determine its type and possible classifications. Metadata involves looking at information attributes of the data, such as creator, application, type, and so on, in determining classification. Content analysis involves examining the actual data itself for its composition and classification level.

Regulatory changes by themselves would not trigger a need for new testing of a BCDR plan. Any changes necessary for regulatory compliance would be accomplished through configuration changes or software updates, which in turn would then trigger the necessary new testing. Annual testing is crucial to any BCDR plan. Also, any time major configuration changes or software updates are done, the plan should be evaluated and tested to ensure it is still valid and complete.

A remote key management system resides away from the cloud environment and is owned and controlled by the cloud customer. With the use of a remote service, the cloud customer can avoid being locked into a proprietary system from the cloud provider, but also must ensure that service is compatible with the services offered by the cloud provider. A local key management system resides on the actual servers using the keys, which does not provide optimal security or control over them. Both the terms internal key management service and client key management service are provided as distractors.

Defining the scope of the plan is the very first step in the overall process. Security should be included from the very earliest stages and throughout the entire process. Bringing in security at a later stage can lead to additional costs and time delays to compensate for gaps in planning. Risk assessment, requirements gathering, and analysis are all later steps in the process, and adding in security at any of those points can potentially cause increased costs and time delays.

Penetration testing involves using the same strategies and toolsets that hackers would use against a system to discovery potential vulnerabilities. Although the term malicious captures much of the intent of penetration testing from the perspective of an attacker, it is not the best answer. Static and dynamic are two types of system testing--where static is done offline and with knowledge of the system, and dynamic is done on a live system without any previous knowledge is associated--but neither describes the type of testing being asked for in the question.