2025 NewDumps最新的CCOA PDF版考試題庫和CCOA考試問題和答案免費分享:https://drive.google.com/open?id=1Zvv9YHvKuh-3sYTuziciphD6w36B8qlB
CCOA是ISACA認證考試,所以通過CCOA是踏上ISACA 認證的第一步。也因此CCOA認證考試變得越來越火熱,參加CCOA考試的人也越來越多,但是CCOA認證考試的通過率並不是很高。當你選擇CCOA考試時有沒有選擇相關的考試課程?
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CCOA 認證可代表豐富且多樣化的工作角色及責任。因此,取得特定的認證將可做為具備成功執行重要IT功能所需之能力的最佳證明。由於受到全世界企業專家的熱烈支持,CCOA 認證仍是達到長期事業目標的最有效率的方法之一,並且是公司用來開發及留住重要IT人員的不二法門。但是如何在第一次嘗試中就能有效的通過ISACA 的 CCOA 認證考試?這個問題的答案隨著 NewDumps 產生已經不再是問題了。
問題 #112
Which of the following is the PRIMARY benefit of using software-defined networking for network security?
答案:B
解題說明:
Software-Defined Networking (SDN)centralizes network control by decoupling the control plane from the data plane, enabling:
* Centralized Management:Administrators can control the entire network from a single point.
* Dynamic Policy Enforcement:Security policies can be applied uniformly across the network.
* Real-Time Adjustments:Quickly adapt to emerging threats by reconfiguring policies from the central controller.
* Enhanced Visibility:Consolidated monitoring through centralized control improves security posture.
Incorrect Options:
* A. Simplifies network topology:This is a secondary benefit, not the primary security advantage.
* B. Greater scalability and flexibility:While true, it is not directly related to security.
* D. Improves monitoring and alerting:SDN primarily focuses on control, not monitoring.
Exact Extract from CCOA Official Review Manual, 1st Edition:
Refer to Chapter 5, Section "Software-Defined Networks," Subsection "Security Benefits" - SDN's centralized control model significantly enhances network security management.
問題 #113
Analyze the file titled pcap_artifact5.txt on the AnalystDesktop.
Decode the C2 host of the attack. Enter your responsebelow.
答案:
解題說明:
See the solution in Explanation.
Explanation:
To decode theCommand and Control (C2) hostfrom thepcap_artifact5.txtfile, follow these detailed steps:
Step 1: Access the File
* Log into the Analyst Desktop.
* Navigate to theDesktopand locate the file:
pcap_artifact5.txt
* Open the file using a text editor:
* OnWindows:
nginx
notepad pcap_artifact5.txt
* OnLinux:
cat ~/Desktop/pcap_artifact5.txt
Step 2: Examine the File Contents
* Check the contents to identify the encoding format. Typical encodings used for C2 communication include:
* Base64
* Hexadecimal
* URL Encoding
* ROT13
Example File Content (Base64 format):
nginx
aHR0cDovLzEwLjEwLjQ0LjIwMDo4MDgwL2NvbW1hbmQucGhw
Step 3: Decode the Contents
Method 1: Using PowerShell (Windows)
* OpenPowerShelland decode:
powershell
$encoded = Get-Content "C:Users<Username>Desktoppcap_artifact5.txt"
[System.Text.Encoding]::UTF8.GetString([System.Convert]::FromBase64String($encoded))
* This will print the decoded content directly.
Method 2: Using Linux
* Usebase64 decoding:
base64 -d ~/Desktop/pcap_artifact5.txt
* If the content ishexadecimal, convert it as follows:
xxd -r -p ~/Desktop/pcap_artifact5.txt
* If it appearsURL encoded, use:
echo -e $(cat ~/Desktop/pcap_artifact5.txt | sed 's/%/x/g')
Step 4: Analyze the Decoded Output
* If the output appears like a URL or an IP address, that is likely theC2 host.
Example Decoded Output:
arduino
http://10.10.44.200:8080/command.php
* TheC2 hostis:
10.10.44.200
Step 5: Cross-Verify the C2 Host
* OpenWiresharkand load the relevant PCAP file to cross-check the IP:
mathematica
File > Open > Desktop > Investigations > ransom.pcap
* Filter for C2 traffic:
ini
ip.addr == 10.10.44.200
* Validate the C2 host IP address through network traffic patterns.
10.10.44.200
Step 6: Document the Finding
* Record the following details:
* Decoded C2 Host:10.10.44.200
* Source File:pcap_artifact5.txt
* Decoding Method:Base64 (or the identified method)
Step 7: Next Steps
* Threat Mitigation:
* Block the IP address10.10.44.200at the firewall.
* Conduct anetwork-wide searchto identify any communications with the C2 server.
* Further Analysis:
* Check other PCAP files for similar traffic patterns.
* Perform adeep packet inspection (DPI)to identify malicious data exfiltration.
問題 #114
Which of the following services would pose the GREATEST risk when used to permit access to and from the Internet?
答案:B
解題說明:
Remote Desktop Protocol (RDP)poses the greatest risk when exposed to the internet because:
* Common Attack Vector:Frequently targeted in brute-force attacks and ransomware campaigns.
* Privilege Escalation:If compromised, attackers can gain full control of the target system.
* Vulnerability History:RDP services have been exploited in numerous attacks (e.g., BlueKeep).
* Exploitation Risk:Directly exposing RDP to the internet without proper safeguards (like VPNs or MFA) is extremely risky.
Incorrect Options:
* A. SMB on TCP 445:Risky, but usually confined to internal networks.
* B. FTP on TCP 21:Unencrypted but less risky compared to RDP for remote control.
* C. DNS on UDP 53:Used for name resolution; rarely exploited for direct system access.
Exact Extract from CCOA Official Review Manual, 1st Edition:
Refer to Chapter 5, Section "Remote Access Security," Subsection "RDP Risks" - Exposing RDP to the internet presents a critical security risk due to its susceptibility to brute-force and exploitation attacks.
問題 #115
Which of the following Isa PRIMARY purpose of middleware?
答案:A
解題說明:
Middlewareserves as an intermediary tofacilitate communicationanddata exchangebetween different applications:
* Integration:Connects disparate applications and services, allowing them to function as a cohesive system.
* Functionality:Provides messaging, data translation, and API management between software components.
* Examples:Message-oriented middleware (MOM), database middleware, and API gateways.
* Use Case:An ERP system communicating with a CRM application through middleware.
Incorrect Options:
* B. Providing security:Security features might be embedded, but it is not the primary function.
* C. Storing data:Middleware typically facilitates data flow, not storage.
* D. Creating user interfaces:Middleware operates at the backend, not the user interface layer.
Exact Extract from CCOA Official Review Manual, 1st Edition:
Refer to Chapter 7, Section "Middleware Functions," Subsection "Application Integration" - Middleware primarily enables communication between heterogeneous applications.
問題 #116
Which of the following is a security feature provided by the WS-Security extension in the Simple Object Access Protocol (SOAP)?
答案:A
解題說明:
TheWS-Securityextension inSimple Object Access Protocol (SOAP)provides security features at the message levelrather than thetransport level. One of its primary features ismessage confidentiality.
* Message Confidentiality:Achieved by encrypting SOAP messages using XML Encryption. This ensures that even if a message is intercepted, its content remains unreadable.
* Additional Features:Also provides message integrity (using digital signatures) and authentication.
* Use Case:Suitable for scenarios where messages pass through multiple intermediaries, as security is preserved across hops.
Incorrect Options:
* A. Transport Layer Security (TLS):Secures the transport layer, not the SOAP message itself.
* C. Malware protection:Not related to WS-Security.
* D. Session management:SOAP itself is stateless and does not handle session management.
Exact Extract from CCOA Official Review Manual, 1st Edition:
Refer to Chapter 7, Section "Web Services Security," Subsection "WS-Security in SOAP" - WS-Security provides message-level security, including confidentiality and integrity.
問題 #117
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