關于300-745真題：Designing Cisco Security Infrastructure，方便快速通過

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Cisco 300-745 Exam Syllabus Topics:

SectionWeightObjectives
Topic 1: Risk, Events, and Requirements30%- Describe how the SOC leverages incident handling and incident response tools
- Describe the use of frameworks in the lifecycle of a security design
  • 1. NIST SP 800-37
  • 2. SAFE
  • 3. MITRE CAPEC
- Match the regulatory and industry compliance document to a given business or technical scenario
- Modify a design to mitigate risk
- Modify a security design following an incident
Topic 2: Secure Infrastructure30%- Select the security approaches to protect against threats
  • 1. Endpoint and client devices (on-network, off-network, and remote)
  • 2. Identity such as MFA, passwordless, continuous trust, and identity intelligence
  • 3. Email (phishing, ransomware, business email compromise, malware, and spoofing)
- Modify the security architecture to address technical requirements
  • 1. Applications across data center and multi-cloud
  • 2. SaaS
  • 3. IoT
  • 4. Hybrid workers
- Select a VPN and tunneling solution based on business and technical requirements
  • 1. Public cloud tunnel options
  • 2. SD-WAN
  • 3. GRE
  • 4. IPsec
  • 5. MPLS
  • 6. DMVPN
Topic 3: Applications25%- Microservices and container security
- Secure web gateway and firewall proxy solutions
- Secure access for remote workers and distributed applications
- API security architecture
Topic 4: Artificial Intelligence, Automation, and DevSecOps15%- Evaluate policies to address the impacts of emerging technologies
  • 1. Machine learning
  • 2. Generative AI
  • 3. Quantum computing
- Describe DevSecOps concepts and practices for CI/CD pipelines
- Select the feature or function of automation tools for security workflows
- Describe the functions, uses, and role of AI in securing network infrastructure

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最新的 CCNP Security 300-745 免費考試真題 (Q23-Q28):

問題 #23
Considering recent cybersecurity threats, a company wants to improve the process for identifying, assessing, and managing risks with a comprehensive and holistic approach. Which framework must be used to meet these requirements?

答案：C

解題說明：
NIST SP 800-37 provides the Risk Management Framework (RMF), which establishes a structured process for identifying, assessing, and managing cybersecurity risks. It offers a comprehensive and holistic approach, integrating security and risk management activities into the system development life cycle, making it the appropriate framework for this requirement.


問題 #24
What is a use for AI in securing network infrastructure?

答案：A

解題說明：
AI enhances network security by detecting zero-day attacks through behavior analysis, anomaly detection, and pattern recognition. This allows threats to be identified and mitigated even before traditional signatures are available.


問題 #25
Which tool is used by a SOC analyst to quarantine an endpoint?

答案：A

解題說明：
In the event of a confirmed compromise, a SOC analyst must act quickly to prevent lateral movement.Cisco XDR (Extended Detection and Response)is the integrated security platform designed to provide cross- layered detection and automated response actions across the network, endpoint, and cloud. One of the most critical response actions within XDR is the ability toquarantine or isolate an endpoint.
Cisco XDR integrates with endpoint security agents (like Cisco Secure Client) and network infrastructure (like Cisco ISE). From a single interface, an analyst can trigger a "Host Isolation" command. This command instructs the endpoint agent to block all network traffic except for communication with the security console, effectively putting the device in digital quarantine. This is much faster and more effective than manually tracking down the device. Aflow collector(Option A) andsyslog(Option B) are diagnostic tools used for visibility and logging; they cannot take active enforcement actions. Aload balancer(Option C) manages traffic distribution for applications and is irrelevant to endpoint containment. Cisco XDR fulfills the SDSI objective of "Securing Infrastructure through Automation," allowing SOC teams to mitigate threats at scale through coordinated response workflows.
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問題 #26
A video game company identified a potential threat of a SYN flood attack, which could disrupt the online gaming services and impact user experience. The attack can overwhelm network resources by exploiting the TCP handshake process, leading to server unavailability and degraded performance. To safeguard the company's infrastructure and ensure uninterrupted service, it is essential to enhance the security measures in place. The company must implement a solution that manages and mitigates the risk of such network-based attacks. Which security product must be implemented to mitigate similar risks?

答案：B

解題說明：
A SYN flood attack is a classic Denial-of-Service (DoS) technique that exploits the TCP three-way handshake. By sending a massive volume of SYN packets without completing the handshake, the attacker exhausts the target server's connection table.Cisco Secure Firewall(formerly Firepower) is the architectural component designed to mitigate these network-layer threats.
Cisco Secure Firewall utilizes features such asTCP InterceptandSYN Cookiesto defend against these attacks. When a SYN flood is detected, the firewall can act as a proxy for the handshake, only passing the completed connection to the backend server once the three-way handshake is verified. This prevents the server's resources from being overwhelmed by "half-open" connections.
In contrast,Cisco Web Security Appliance(Option A) is focused on web-based (HTTP/HTTPS) threats and proxying, not low-level TCP flood mitigation.Cisco Umbrella(Option B) primarily provides DNS-layer security and Secure Internet Gateway (SIG) services, which are ineffective against a direct SYN flood targeting an on-premises or cloud-hosted gaming server.Cisco Secure Endpoint(Option C) protects individual hosts from malware but cannot protect the network infrastructure or the server's TCP stack from being saturated by high-volume flood traffic. Consequently, Cisco Secure Firewall is the essential product for managing and mitigating these infrastructure-level network attacks.
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問題 #27
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?

答案：A

解題說明：
Control Plane Policing (CoPP) protects the CPU of network devices by filtering and rate-limiting control plane traffic. This prevents excessive resource consumption, ensures stability, and maintains administrator access for maintenance and troubleshooting.


問題 #28
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