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시스코 300-215 자격증 시험은 사이버 옵스에 대한 시스코 기술을 사용하여 포렌식 분석 및 사고 대응 역량을 측정하는 것을 목적으로합니다. 이 자격증 시험은 보안 분석가, 네트워크 보안 엔지니어, 사이버 보안 운영 센터 (SOC) 분석가 및 사고 대응 팀에 적합합니다.
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이 시험은 사이버 보안 기초, 보안 사고 대응, 네트워크 포렌식, 엔드포인트 포렌식 및 악성 코드 분석과 같은 다양한 주제를 다룹니다. 시험에서는 Cisco AMP for Endpoints, Cisco Stealthwatch 및 Cisco Umbrella와 같은 Cisco 기술을 사용하여 보안 사고를 식별, 분석 및 대응하는 능력을 시험합니다. 또한 포렌식 분석 및 사고 대응에 사용되는 산업 표준 도구 및 기술에 대한 지식을 증명해야 합니다. 이 시험에 통과하면 후보자가 Cisco 기술을 사용하여 보안 사고를 효과적으로 분석하고 대응하는 데 필요한 기술과 지식을 갖추었음을 증명합니다.
질문 # 183
A company had a recent data leak incident. A security engineer investigating the incident discovered that a malicious link was accessed by multiple employees. Further investigation revealed targeted phishing attack attempts on macOS systems, which led to backdoor installations and data compromise. Which two security solutions should a security engineer recommend to mitigate similar attacks in the future? (Choose two.)
정답：B,E
설명：
Comprehensive and Detailed Explanation:
* Endpoint Detection and Response (EDR) tools provide behavioral analytics and continuous monitoring to detect malware such as backdoors, which is especially critical on endpoints like macOS devices.
These tools are essential to detect post-compromise activities and contain threats before they spread.
* Secure Email Gateway (e.g., Cisco ESA) plays a key role in blocking phishing emails-the initial vector in this attack. It uses filters and reputation analysis to prevent malicious links or attachments from reaching end users.
Incorrect Options:
* C. DLP focuses on preventing data exfiltration, not phishing prevention or backdoor detection.
* D. IPS is effective for known signature-based threats but less effective against phishing links and endpoint-level backdoors.
* E. WAF protects web servers, not end-user devices from phishing or backdoor infections.
Therefore, the correct answers are: A and B.
질문 # 184
What is a concern for gathering forensics evidence in public cloud environments?
정답：B
설명：
One of the primary concerns when gathering forensic evidence in public cloud environments is the issue of multitenancy. In a shared cloud infrastructure, multiple tenants (organizations or users) operate on the same physical hardware, using virtualization to logically separate resources. This architecture poses a significant challenge for forensic investigations because:
* Forensic investigators must ensure that they do not inadvertently access or expose data belonging to other tenants while collecting evidence.
* This can limit access to low-level system data or hardware-level logs that might be essential for a thorough forensic analysis, since providers must enforce strict data isolation policies.
* This concern is recognized in industry practices and guidelines, including NIST SP 800-86, which underscores the need to collect data in a forensically sound and legally defensible manner-something made more complex in shared environments.
The Cisco CyberOps Associate guide emphasizes the challenges of evidence handling in cloud environments, stating that "gathering evidence in the cloud must be carefully performed to ensure compliance with legal standards and to respect the boundaries of other tenants' data".
Reference:CyberOps Technologies (CBRFIR) 300-215 study guide, Chapter on Digital Forensics and Cloud Environments, Section: Evidence Collection in Shared Infrastructure (Public Cloud).
질문 # 185
Refer to the exhibit.
import requests
def check_status(url):
response = requests.get(url)
return response.status_code
In which programming language is the code written, and what is it trying to accomplish?
정답：C
설명：
The syntax identifies Python: it uses import, defines a function with def, terminates the function header with a colon, and relies on indentation rather than braces. The requests library sends an HTTP GET request to the supplied URL, and response.status_code returns the server's HTTP result code.
Repeated execution can test whether a website responds successfully, which makes "website-uptime monitor" the closest description among the choices. Strictly, this short function performs one availability check; a production monitor would add scheduling, timeouts, exception handling, expected- status logic, logging, and alerting. It neither parses a dataset nor implements a content-management system, and it does not write response content to a file. Option D is therefore correct. This is within CBRFIR objectives 2.4 and 2.5. The official Requests quick-start documentation demonstrates requests.
get() and status_code in this exact role.
질문 # 186
Which issue affects chain of custody in cloud-forensic investigations?
정답：B
설명：
In many cloud service models, the customer and investigator do not control the underlying hosts, storage media, hypervisor, or provider-side logs. Evidence acquisition and preservation may therefore require the cloud service provider to perform actions that an on-premises examiner would perform directly. Every provider handoff, collection method, timestamp, hash, transfer, and custodian must be documented so the evidence's identity and integrity remain demonstrable. This dependence directly affects chain of custody, making D the best answer and aligning with CBRFIR objective 1.7. Limited audit visibility is also a genuine forensic challenge, but option A concerns evidence availability and observability rather than the custody chain itself. Options B and C are false absolutes: cloud platforms can implement authentication and encryption. NIST's cloud forensic science challenges discuss cloud evidence, provider dependencies, and chain-of-custody complications.
질문 # 187
What is the primary role of hex editors such as HxD in digital forensics and incident-response investigations?
정답：D
설명：
A hex editor exposes a file or storage artifact as raw bytes, normally presenting hexadecimal values beside their ASCII interpretation. Investigators use that view to inspect file signatures and headers, locate embedded strings, identify byte patterns, compare altered regions, examine slack or unstructured data, and make controlled changes to a working copy when required. It is not a network-monitoring platform, so option B describes a packet or flow-analysis tool. Option C describes sandboxing or dynamic malware analysis. Option D is closer to a disassembler or decompiler, which translates executable machine instructions into assembly or higher-level representations. Cisco's current blueprint explicitly separates these roles: objective 1.6.a covers HxD, Hiew, and Hex Fiend in DFIR, while objective 1.6.b covers disassemblers and debuggers for basic malware analysis. Therefore, examining and manipulating binary data is the precise answer. Cisco CBRFIR v1.2 exam topics
질문 # 188
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