ISACA CCOA Valid Exam Duration & CCOA Reliable Dumps Free
ISACA CCOA Valid Exam Duration & CCOA Reliable Dumps Free
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Tags: CCOA Valid Exam Duration, CCOA Reliable Dumps Free, Exam CCOA Tips, Certification CCOA Exam Dumps, Relevant CCOA Answers
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ISACA CCOA Exam Syllabus Topics:
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ISACA Certified Cybersecurity Operations Analyst Sample Questions (Q55-Q60):
NEW QUESTION # 55
Which of the following is MOST important for maintaining an effective risk management program?
- A. Monitoring regulations
- B. Ongoing review
- C. Automated reporting
- D. Approved budget
Answer: B
NEW QUESTION # 56
Which of the following has been established when a business continuity manager explains that a critical system can be unavailable up to 4 hours before operation is significantly impaired?
- A. Service level agreement (SLA)
- B. Recovery time objective (RTO)
- C. Recovery point objective (RPO)
- D. Maximum tolerable downtime (MID)
Answer: B
Explanation:
TheRecovery Time Objective (RTO)is themaximum acceptable timethat a system can be down before significantly impacting business operations.
* Context:If thecritical system can be unavailable for up to 4 hours, the RTO is4 hours.
* Objective:To define how quickly systems must be restored after a disruption tominimize operational impact.
* Disaster Recovery Planning:RTO helps design recovery strategies and prioritize resources.
Other options analysis:
* A. Maximum tolerable downtime (MTD):Represents the absolute maximum time without operation, not the target recovery time.
* B. Service level agreement (SLA):Defines service expectations but not recovery timelines.
* C. Recovery point objective (RPO):Defines data loss tolerance, not downtime tolerance.
CCOA Official Review Manual, 1st Edition References:
* Chapter 5: Business Continuity and Disaster Recovery:Explains RTO and its role in recovery planning.
* Chapter 7: Recovery Strategy Planning:Highlights RTO as a key metric.
NEW QUESTION # 57
Which of (he following is the PRIMARY reason to regularly review firewall rules?
- A. To identify and allow blocked traffic that should be permitted
- B. To identify and remove rules that are no longer needed
- C. To ensure the rules remain in the correct order
- D. To correct mistakes made by other firewall administrators
Answer: B
Explanation:
Regularly reviewing firewall rules ensures that outdated, redundant, or overly permissive rules are identified and removed.
* Reduced Attack Surface:Unnecessary or outdated rules may open attack vectors.
* Compliance and Policy Adherence:Ensures that only authorized communication paths are maintained.
* Performance Optimization:Reducing rule clutter improves processing efficiency.
* Minimizing Misconfigurations:Prevents rule conflicts or overlaps that could compromise security.
Incorrect Options:
* B. Identifying blocked traffic to permit:The review's primary goal is not to enable traffic but to reduce unnecessary rules.
* C. Ensuring correct rule order:While important, this is secondary to identifying obsolete rules.
* D. Correcting administrator mistakes:Though helpful, this is not the main purpose of regular reviews.
Exact Extract from CCOA Official Review Manual, 1st Edition:
Refer to Chapter 5, Section "Firewall Management," Subsection "Rule Review Process" - The primary reason for reviewing firewall rules regularly is to eliminate rules that are no longer necessary.
NEW QUESTION # 58
Which of the following is the core component of an operating system that manages resources, implements security policies, and provides the interface between hardware and software?
- A. Application
- B. Kernel
- C. Library
- D. Shell
Answer: B
Explanation:
Thekernelis the core component of an operating system (OS) responsible for:
* Resource Management:Manages CPU, memory, I/O devices, and other hardware resources.
* Security Policies:Enforces access control, user permissions, and process isolation.
* Hardware Abstraction:Acts as an intermediary between the hardware and software, providing low- level device drivers.
* Process and Memory Management:Handles process scheduling, memory allocation, and inter-process communication.
Incorrect Options:
* B. Library:A collection of functions or routines that can be used by applications, not the core of the OS.
* C. Application:Runs on top of the OS, not a part of its core functionality.
* D. Shell:An interface for users to interact with the OS, but not responsible for resource management.
Exact Extract from CCOA Official Review Manual, 1st Edition:
Refer to Chapter 4, Section "Operating System Security," Subsection "Kernel Responsibilities" - The kernel is fundamental to managing system resources and enforcing security.
NEW QUESTION # 59
The network team has provided a PCAP file withsuspicious activity located in the Investigations folderon the Desktop titled, investigation22.pcap.
What date was the webshell accessed? Enter the formatas YYYY-MM-DD.
Answer:
Explanation:
See the solution in Explanation.
Explanation:
To determine thedate the webshell was accessedfrom theinvestigation22.pcapfile, follow these detailed steps:
Step 1: Access the PCAP File
* Log into the Analyst Desktop.
* Navigate to theInvestigationsfolder on the desktop.
* Locate the file:
investigation22.pcap
Step 2: Open the PCAP File in Wireshark
* LaunchWireshark.
* Open the PCAP file:
mathematica
File > Open > Desktop > Investigations > investigation22.pcap
* ClickOpento load the file.
Step 3: Filter for Webshell Traffic
* Since webshells typically useHTTP/Sto communicate, apply a filter:
http.request or http.response
* Alternatively, if you know the IP of the compromised host (e.g.,10.10.44.200), use:
nginx
http and ip.addr == 10.10.44.200
* PressEnterto apply the filter.
Step 4: Identify Webshell Activity
* Look for HTTP requests that include:
* Common Webshell Filenames:shell.jsp, cmd.php, backdoor.aspx, etc.
* Suspicious HTTP Methods:MainlyPOSTorGET.
* Right-click a suspicious packet and choose:
arduino
Follow > HTTP Stream
* Inspect the HTTP headers and content to confirm the presence of a webshell.
Step 5: Extract the Access Date
* Look at theHTTP request/response header.
* Find theDatefield orTimestampof the packet:
* Wireshark displays timestamps on the left by default.
* Confirm theHTTP streamincludes commands or uploads to the webshell.
Example HTTP Stream:
POST /uploads/shell.jsp HTTP/1.1
Host: 10.10.44.200
User-Agent: Mozilla/5.0
Date: Mon, 2024-03-18 14:35:22 GMT
Step 6: Verify the Correct Date
* Double-check other HTTP requests or responses related to the webshell.
* Make sure thedate fieldis consistent across multiple requests to the same file.
2024-03-18
Step 7: Document the Finding
* Date of Access:2024-03-18
* Filename:shell.jsp (as identified earlier)
* Compromised Host:10.10.44.200
* Method of Access:HTTP POST
Step 8: Next Steps
* Isolate the Affected Host:
* Remove the compromised server from the network.
* Remove the Webshell:
rm /path/to/webshell/shell.jsp
* Analyze Web Server Logs:
* Correlate timestamps with access logs to identify the initial compromise.
* Implement WAF Rules:
* Block suspicious patterns related to file uploads and webshell execution.
NEW QUESTION # 60
......
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