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| Section | Objectives |
|---|---|
| Threat Defense and Security Services Design | - Intrusion prevention and detection
|
| Secure Connectivity and VPN Design | - Site-to-site VPN design
|
| Security Architecture and Design Principles | - Enterprise security architecture models
|
| Secure Network Infrastructure Design | - Segmentation and isolation
|
| Identity and Access Control Design | - Identity management integration
|
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NEW QUESTION # 16
A software development company uses multiple cloud providers to host applications. The company is designing a scalable firewall solution that must meet the requirements:
* Consistent security policies across multiple cloud environments.
* Centralized visibility and management.
* Scalability to accommodate different cloud platforms.
Which type of firewall meets the requirements?
Answer: D
Explanation:
In a multi-cloud architecture, traditional perimeter-based firewalls often create "chokepoints" and fail to provide the granularity needed for east-west traffic between microservices across different providers. A distributed firewallis the architectural solution designed to meet these modern requirements. Unlike a centralized appliance, a distributed firewall is implemented as a software-defined layer that resides close to the workloads-often within the hypervisor or as part of a service mesh.
According to Cisco Security Infrastructure objectives, a distributed firewall allows forcentralized managementof a unified policy that is pushed out to all enforcement points, regardless of whether the workload is in AWS, Azure, or an on-premises data center. This ensuresconsistent security policiesacross the entire footprint. Because the enforcement is decentralized, the solution scales automatically as new cloud platforms or workloads are added. While aTraditional Firewall(Option A) lacks the multi-cloud agility, a Zone-based Firewall(Option B) is typically tied to specific physical or logical interfaces on a router, and a Host-based Firewall(Option D) is managed at the individual OS level, which becomes difficult to coordinate centrally at scale. The distributed firewall model aligns with theCisco SAFEarchitectural goal of pervasive security and simplified operations in highly dynamic, heterogeneous cloud environments.
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NEW QUESTION # 17
An IT company experienced the spread of malicious content between user endpoints, which impacted business critical resources. The company wants to implement a solution to control communication between individual endpoints on the network. Which approach achieves the goal?
Answer: D
Explanation:
The spread of malicious content between endpoints is a classic case oflateral movement. To control and restrict communication between individual endpoints-regardless of their physical location or IP address- Cisco TrustSecis the recommended architectural approach. TrustSec moves away from traditional, IP-based Access Control Lists (ACLs), which are difficult to manage and scale, and instead usesScalable Group Tags (SGTs).
With TrustSec, every endpoint is assigned an SGT based on its role or security context (e.g., "Employee,"
"Contractor," or "HR"). Security policies are then defined in a centralized matrix (the egress policy matrix) that dictates which SGTs can talk to one another. For example, a policy can be set so that endpoints in the
"Developer" group cannot communicate directly with endpoints in the "Sales" group, effectively preventing malware from hopping between machines. WhileRADIUS(Option A) is the protocol used for authentication, it does not perform the segmentation itself.Posture(Option C) checks the health of the device, andProfiling (Option D) identifies what the device is, but neither provides the policy-based traffic control of TrustSec. By implementing TrustSec, the company achievesmicro-segmentation, significantly reducing the internal attack surface and containing potential breaches within a single group, which is a core goal of modern secure infrastructure design.
NEW QUESTION # 18
When designing security for applications distributed across multiple cloud providers, what is a key consideration?
Answer: B
Explanation:
Consistent identity and access management policies across cloud providers ensure uniform security controls and simplify governance in multi-cloud environments.
NEW QUESTION # 19
Network administrators at a medical facility cannot log in to network devices because of excessive resource consumption and high CPU utilization. The situation has led to delays in routine maintenance and troubleshooting, which affects overall network performance. An engineer must optimize the handling of traffic to reduce the impact and maintain consistent access and operational efficiency. Which approach must be implemented to meet the requirement?
Answer: A
Explanation:
The scenario described-where high CPU utilization prevents administrators from accessing device management interfaces-is a classic indication that the device'sControl Planeis being overwhelmed by malicious or malformed traffic (such as a DoS attack or a routing loop). To protect the "brains" of the network device,Control Plane Policing (CoPP)must be implemented.
CoPP allows an engineer to define filter and rate-limit policies specifically for traffic destined for the CPU.
By categorizing traffic into different classes (e.g., routing protocols, management traffic like SSH, and "catch- all" untrusted traffic), CoPP ensures that critical management and control traffic is prioritized while excessive or suspicious traffic is dropped before it can impact the device's performance. This maintainsoperational efficiencyeven during a traffic spike or attack. WhileAAA(Option B) handles authentication andRBAC (Option D) manages permissions once a user is logged in, neither can prevent the CPU exhaustion that blocks the login attempt in the first place.SNMP(Option C) is used for monitoring but does not provide active traffic policing. Within the Cisco SDSI framework, CoPP is a fundamental "Self-Defending Network" feature required to ensure the availability and resilience of the core infrastructure.
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NEW QUESTION # 20
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: D
Explanation:
Hashing ensures data integrity by generating a fixed-length value (hash) for data. When data is transmitted between remote sites, the hash can be recalculated and compared to verify that the data has not been altered in transit.
NEW QUESTION # 21
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