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Guide for CertNexus CyberSec First Responder (CFR)

Quiz CertNexus CyberSec First Responder (CFR)

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Quiz

1/10
Tcpdump is a tool that can be used to detect which of the following indicators of compromise? (A). Unusual network traffic (B). Unknown open ports (C). Poor network performance (D). Unknown use of protocols
Select the answer
1 correct answer
Option A is correct. Explanation:

Quiz

2/10
A Linux administrator is trying to determine the character count on many log files. Which of the following command and flag combinations should the administrator use? (A). tr -d (B). uniq -c (C). wc -m (D). grep -c
Select the answer
1 correct answer
Option C is correct. Explanation:

Quiz

3/10
Which asset would be the MOST desirable for a financially motivated attacker to obtain from a health insurance company? (A). Transaction logs (B). Intellectual property (C). PII/PHI (D). Network architecture
Select the answer
1 correct answer
Option C is correct. Explanation:

Quiz

4/10
A network administrator has determined that network performance has degraded due to excessive use of social media and Internet streaming services. Which of the following would be effective for limiting access to these types of services, without completely restricting access to a site? (A). Whitelisting (B). Web content filtering (C). Network segmentation (D). Blacklisting
Select the answer
1 correct answer
Option B is correct. Explanation:

Quiz

5/10
Which of the following are legally compliant forensics applications that will detect an alternative data stream (ADS) or a file with an incorrect file extension? (Choose two.) (A). Disk duplicator (B). EnCase (C). dd (D). Forensic Toolkit (FTK) (E). Write blocker
Select the answer
1 correct answer
Option B,D are correct. Explanation:

Quiz

6/10
During a malware-driven distributed denial of service attack, a security researcher found excessive requests to a name server referring to the same domain name and host name encoded in hexadecimal. The malware author used which type of command and control? (A). Internet Relay Chat (IRC) (B). Dnscat2 (C). Custom channel (D). File Transfer Protocol (FTP)
Select the answer
1 correct answer
Option D is correct. Explanation:

Quiz

7/10
A secretary receives an email from a friend with a picture of a kitten in it. The secretary forwards it to the ~COMPANYWIDE mailing list and, shortly thereafter, users across the company receive the following message: "You seem tense. Take a deep breath and relax!" The incident response team is activated and opens the picture in a virtual machine to test it. After a short analysis, the following code is found in C: \Temp\chill.exe:Powershell.exe -Command "do {(for /L %i in (2,1,254) do shutdown /r /m Error! Hyperlink reference not valid.> /f /t / 0 (/c "You seem tense. Take a deep breath and relax!");Start- Sleep -s 900) } while(1)" Which of the following BEST represents what the attacker was trying to accomplish? (A). Taunt the user and then trigger a shutdown every 15 minutes. (B). Taunt the user and then trigger a reboot every 15 minutes. (C). Taunt the user and then trigger a shutdown every 900 minutes. (D). Taunt the user and then trigger a reboot every 900 minutes.
Select the answer
1 correct answer
Option B is correct. Explanation:

Quiz

8/10
Malicious code designed to execute in concurrence with a particular event is BEST defined as which of the following? (A). Logic bomb (B). Rootkit (C). Trojan (D). Backdoor
Select the answer
1 correct answer
Option A is correct. Explanation:

Quiz

9/10
An organization recently suffered a breach due to a human resources administrator emailing employee names and Social Security numbers to a distribution list. Which of the following tools would help mitigate this risk from recurring? (A). Data loss prevention (DLP) (B). Firewall (C). Web proxy (D). File integrity monitoring
Select the answer
1 correct answer
Option A is correct. Explanation:

Quiz

10/10
Which of the following are part of the hardening phase of the vulnerability assessment process? (Choose two.) Certification Exam CertNexus CyberSec First Responder (CFR) CertNexus CertNexus-CFR-310 1-2672182325
Select the answer
1 correct answer
Option A,B are correct. Explanation:
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  • Quiz name:CertNexus CyberSec First Responder (CFR)
  • Total number of questions:100
  • Number of questions for the test:50
  • Pass score:80%

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