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| Section | Objectives |
|---|---|
| Identity and Access Control Design | - Access control policies
|
| Threat Defense and Security Services Design | - Intrusion prevention and detection
|
| Security Architecture and Design Principles | - Security design methodologies
|
| Secure Connectivity and VPN Design | - Remote access VPN design
|
| Secure Network Infrastructure Design | - Network access security
|
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NEW QUESTION # 54
In preparation for an upcoming security audit, a metal production company decided to enhance the security of container-based services running in a Kubernetes environment. The company wants to ensure that all communications between applications and services are encrypted. The administrator plans to implement mTLS service between application and services to secure the data exchanges. Given the need to manage encryption at scale and maintain efficient communication across the cluster, which network transport technology must be employed?
Answer: A
Explanation:
In modern cloud-native architectures, managing security for hundreds of microservices manually is unfeasible. To implementmutual TLS (mTLS)at scale within a Kubernetes cluster, aService Mesh(such as Istio or Cisco Service Mesh Manager) is the architectural solution of choice. A service mesh provides a dedicated infrastructure layer for handling service-to-service communication without requiring changes to the application code itself.
The service mesh operates by deploying a "sidecar" proxy alongside every service instance. These proxies handle the heavy lifting of identity verification, certificate rotation, and the establishment of encrypted tunnels. This ensures that every data exchange is encrypted and that services only communicate with authenticated peers. While anIngress Controller(Option A) manages traffic entering the cluster andLoad Balancing(Option B) distributes traffic, neither provides the granular, internal encryption framework required for pod-to-pod mTLS.Kubernetes Network Policies(Option C) act as a distributed firewall to allow or deny traffic based on IP/Port but do not handle encryption or cryptographic identity. By choosing a Service Mesh, the company satisfies the audit requirement for end-to-end encryption and pervasive visibility into the application's communication flow, aligning with Cisco's design principles for secure, scalable microservices.
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NEW QUESTION # 55
Which two controls help detect drift in IaC-managed infrastructure? (Choose two.)
Answer: B,C
Explanation:
Continuous configuration monitoring detects deviations from IaC definitions, while immutable infrastructure minimizes drift by replacing resources instead of modifying them in place.
NEW QUESTION # 56
A technology company recently onboarded a new customer in the medical space. The customer needs a solution to provide data integrity across remote sites. Which solution must be used to meet this requirement?
Answer: B
Explanation:
In the context of theCisco Security Infrastructure (300-745 SDSI)objectives, ensuringdata integrityis a fundamental requirement, particularly in the healthcare sector where the accuracy of medical records at remote sites is critical for patient safety.Hashingis the primary mathematical process used to verify that data has not been altered or tampered with during transit between locations.
Hashing works by applying a cryptographic algorithm (such as SHA-256) to a data set to produce a fixed-size string of characters called a "hash" or "checksum." When data is sent from one remote site to another, the sender calculates a hash of the original data. Upon arrival, the receiving site recalculates the hash using the same algorithm. If the two hashes match exactly, the receiver is assured that the data is identical to the original and has maintained its integrity. Even a single-bit change in the original data would result in a completely different hash value.
WhileAuthentication(Option D) andPreshared Keys(Option C) are essential for verifying the identity of the sites and establishing secure tunnels (like IPsec VPNs), they do not, by themselves, provide the mathematical proof of content integrity.Data Masking(Option B) is a privacy technique used to hide sensitive information from unauthorized viewers, but it does not prevent or detect data corruption or unauthorized modifications.
Therefore, hashing is the specified technical control for achieving verifiable data integrity across distributed infrastructures.
NEW QUESTION # 57
A financial company is in the process of upgrading network access across the entire company. The solution must ensure: least privilege access control access across different network segments and increased security for employees. Which solution approach must the company take?
Answer: A
Explanation:
In the architecture of a modern secure infrastructure, achievingleast privilegeis a foundational requirement, especially for a financial institution where data sensitivity is high.Role-Based Access Control (RBAC)is the specific methodology used to restrict network access based on the roles of individual users within an enterprise. By implementing RBAC, the security team can ensure that employees only have access to the specific network segments and resources necessary for their job functions, effectively minimizing the internal attack surface.
Within the Cisco Security ecosystem, RBAC is often operationalized through tools likeCisco Identity Services Engine (ISE)usingScalable Group Tags (SGTs). Instead of relying on static IP addresses or complex Access Control Lists (ACLs) that are difficult to maintain across different segments, RBAC allows for dynamic policy enforcement. For example, a "Financial Auditor" role would automatically be granted access to the accounting segment but blocked from the development segment, regardless of where they plug into the network. WhilePKI(Option C) provides strong authentication and encryption, andNetFlow(Option A) provides visibility, neither inherently defines the "least privilege" permission structure. RBAC is the architectural approach that directly maps business requirements to technical access policies, ensuring that security is maintained across segmented environments as required by the Cisco SDSI objectives for secure infrastructure design.
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NEW QUESTION # 58
A global marketing firm, based in California with customers on every continent, suffered a data breach that exposed employee and customer PII. Which regulations is the company in danger of violating?
Answer: C
Explanation:
The General Data Protection Regulation (GDPR) is a comprehensive data privacy law in the European Union (EU) that has a significant global reach. For a California-based marketing firm with customers on every continent, any breach involving the Personally Identifiable Information (PII) of European residents triggers immediate and severe legal exposure under GDPR. This regulation is unique because of its extraterritorial application; it mandates that any entity-regardless of its physical headquarters-must comply if they offer goods or services to, or monitor the behavior of, individuals located within the EU.
In the event of a data breach, GDPR requires organizations to notify the relevant supervisory authority within
72 hours and, in cases of high risk, notify the affected individuals without undue delay. Failure to implement adequate technical and organizational measures to protect data can result in astronomical fines of up to €20 million or 4% of annual global turnover, whichever is higher. While other frameworks like NIST SP 800-53 (often confused with ISO in Option A) or ISO 27001 (Option D) provide the architectural standards and controls to prevent such incidents, they are voluntary standards or frameworks, not legally binding regulations that a company "violates" in the same sense as GDPR. FedRAMP (Option B) is specific to US federal government cloud service providers and would not typically apply to a private marketing firm's global operations. Thus, GDPR represents the primary regulatory threat for a global firm handling international PII.
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NEW QUESTION # 59
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