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| Certification Vendor: | CompTIA |
|---|---|
| Exam Name: | CompTIA SecurityX Certification Exam |
| Exam Number: | CAS-005 |
| Certificate Validity Period: | 3 years |
| Passing Score: | Pass/Fail only, no scaled score |
| Exam Duration: | 165 minutes |
| Exam Format: | Performance-based, Multiple-choice |
| Available Languages: | Thai, Japanese, English |
| Exam Price: | $512 - $544 USD |
| Real Exam Qty: | Up to 90 |
| Related Certifications: | CompTIA Cloud+ CompTIA Security+ CompTIA PenTest+ CompTIA Network+ CompTIA CySA+ |
| Recommended Training: | CompTIA Official Training CompTIA SecurityX Study Guide |
| Exam Registration: | Pearson VUE Registration CompTIA Official Registration |
| Sample Questions: | CompTIA CAS-005 Sample Questions |
| Exam Way: | Online proctored or in-person at Pearson VUE authorized test centers |
| Pre Condition: | No mandatory prerequisites; Recommended: 10+ years of general IT experience, minimum 5 years of hands-on cybersecurity experience, equivalent knowledge to CompTIA Network+, Security+, CySA+, PenTest+, or Cloud+ |
| Official Syllabus URL: | https://www.comptia.org/certifications/securityx |
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質問 # 61
A security analyst is reviewing the following authentication logs:
Which of the following should the analyst do first?
正解：A
解説：
Based on the provided authentication logs, we observe that User1 ' s accountexperienced multiple failed login attempts within a very short time span (at 8:01:23 AM on 12/15). This pattern indicates a potential brute-force attack or an attempt to gain unauthorized access. Here's a breakdown of why disabling User1 ' s account is the appropriate first step:
Failed Login Attempts: The logs show that User1 had four consecutive failed login attempts:
VM01 at 8:01:23 AM
VM08 at 8:01:23 AM
VM01 at 8:01:23 AM
VM08 at 8:01:23 AM
Security Protocols and Best Practices: According to CompTIA Security+ guidelines, multiple failed login attempts within a short timeframe should trigger an immediate response to prevent further potential unauthorized access attempts. This typically involves temporarily disabling the account to stop ongoing brute- force attacks.
Account Lockout Policy: Implementing an account lockout policy is a standard practice to thwart brute-force attacks. Disabling User1 ' s account will align with these best practices and prevent further failed attempts, which might lead to successful unauthorized access if not addressed.
References:
CompTIA Security+ SY0-601 Study Guide by Mike Chapple and David Seidl
CompTIA Security+ Certification Exam Objectives
NIST Special Publication 800-63B: Digital Identity Guidelines
By addressing User1 ' s account first, we effectively mitigate the immediate threat of a brute-force attack, ensuring that further investigation can be conducted without the risk of unauthorized access continuing during the investigation period.
質問 # 62
A security analyst is troubleshooting the reason a specific user is having difficulty accessing company resources The analyst reviews the following information:
Which of the following is most likely the cause of the issue?
正解：D
解説：
The table shows that the user " SALES1 " is consistently blocked despite having met the MFA requirements.
The common factor in these blocked attempts is the source IP address (8.11.4.16) being identified as from Germany while the user is assigned to France. This discrepancy suggests that the network geolocation is being misidentified by the authentication server, causing legitimate access attempts to be blocked.
Why Network Geolocation Misidentification?
Geolocation Accuracy: Authentication systems often use IP geolocation to verify the location of access attempts. Incorrect geolocation data can lead to legitimate requests being denied if they appear to come from unexpected locations.
Security Policies: Company security policies might block access attempts from certain locations to prevent unauthorized access. If the geolocation is wrong, legitimate users can be inadvertently blocked.
Consistent Pattern: The user " SALES1 " from the IP address 8.11.4.16 is always blocked, indicating a consistent issue with geolocation.
Other options do not align with the pattern observed:
A). Bypass MFA requirements: MFA is satisfied, so bypassing MFA is not the issue.
C). Administrator access policy: This is about user access, not specific administrator access.
D). OTP codes: The user has satisfied MFA, so OTP code configuration is not the issue.
References:
CompTIA SecurityX Study Guide
" Geolocation and Authentication, " NIST Special Publication 800-63B
" IP Geolocation Accuracy, " Cisco Documentation
質問 # 63
Recently, two large engineering companies in the same line of business decided to approach cyberthreats in a united way. Which of the following best describes this unified approach?
正解：C
解説：
An MOU (Memorandum of Understanding) is the best choice in this scenario, as it represents an agreement between two parties outlining the intention to collaborate or work together on a common goal, without creating legally binding obligations. In this case, the two engineering companies are uniting to approach cyberthreats in a unified way, and an MOU would formalize this cooperative arrangement and define the terms of their collaboration.
質問 # 64
A company's help desk is experiencing a large number of calls from the finance department slating access issues to www bank com The security operations center reviewed the following security logs:
Which of the following is most likely the cause of the issue?
正解：B
解説：
Sinkholing, or DNS sinkholing, is a method used to redirect malicious traffic to a safe destination. This technique is often employed by security teams to prevent access to malicious domains by substituting a benign destination IP address.
In the given logs, users from the finance department are accessing www.bank.com and receiving HTTP status code 495. This status code is typically indicative of a client certificate error, which can occur if the DNS traffic is being manipulated or redirected incorrectly. The consistency in receiving the same HTTP status code across different users suggests a systematic issue rather than an isolated incident.
Recursive DNS resolution failure (A) would generally lead to inability to resolve DNS at all, not to a specific HTTP error.
DNS poisoning (B) could result in usersbeing directed to malicious sites, but again, would likely result in a different set of errors or unusual activity.
Incorrect DNS setup (D) would likely cause broader resolution issues rather than targeted errors like the one seen here.
By reviewing the provided data, it is evident that the DNS traffic for www.bank.com is being rerouted improperly, resulting in consistent HTTP 495 errors for the finance department users. Hence, the most likely cause is that the DNS traffic is being sinkholed.
References:
CompTIA SecurityX study materials on DNS security mechanisms.
Standard HTTP status codes and their implications.
質問 # 65
An organization determines existing business continuity practices are inadequate to support critical internal process dependencies during a contingency event. A compliance analyst wants the Chief Information Officer (CIO) to identify the level of residual risk that is acceptable to guide remediation activities. Which of the following does the CIO need to clarify?
正解：B
解説：
Comprehensive and Detailed Explanation:
* Understanding Residual Risk:
* Residual risk is the amount of risk remaining after controls and mitigations have been applied.
* Risk appetite defines the level of risk an organization is willing to accept before taking additional actions.
* Why Option D is Correct:
* The CIO must clarify the organization's "Risk Appetite" to determine how much residual risk is acceptable.
* If risk exceeds the appetite, additional security measures need to be implemented.
* This aligns with ISO 31000 and NIST Risk Management Framework (RMF).
* Why Other Options Are Incorrect:
* A (Mitigation): Mitigation refers to reducing risk, but it doesn't define the acceptable level of residual risk.
* B (Impact): Impact assessment measures potential damage, but it does not determine what is acceptable.
* C (Likelihood): Likelihood is the probability of risk occurring, but not what level is acceptable
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質問 # 66
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CAS-005的中問題集: https://www.tech4exam.com/CAS-005-pass-shiken.html
P.S. Tech4ExamがGoogle Driveで共有している無料かつ新しいCAS-005ダンプ：https://drive.google.com/open?id=1N3k1cJCrbSHcPHRrWJwG5sjbHWNuNKKG