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CFR-410 CyberSec First Responder (CFR) Exam Questions and Answers

Questions 4

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?

Options:

A.

tr -d

B.

uniq -c

C.

wc -m

D.

grep -c

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Questions 5

A security investigator has detected an unauthorized insider reviewing files containing company secrets.

Which of the following commands could the investigator use to determine which files have been opened by this user?

Options:

A.

ls

B.

lsof

C.

ps

D.

netstat

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Questions 6

What are three examples of incident response? (Choose three.)

Options:

A.

Dealing with systems that are suspected to be used to commit a crime

B.

Collecting data from computer media

C.

Dealing with systems suspected to be the victim of a crime

D.

Analyzing a system

E.

Threat Modeling

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Questions 7

As part of an organization’s regular maintenance activities, a security engineer visits the Internet Storm Center advisory page to obtain the latest list of blacklisted host/network addresses. The security engineer does this to perform which of the following activities?

Options:

A.

Update the latest proxy access list

B.

Monitor the organization’s network for suspicious traffic

C.

Monitor the organization’s sensitive databases

D.

Update access control list (ACL) rules for network devices

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Questions 8

Which of the following can increase an attack surface?

Options:

A.

Old or unused code

B.

Vulnerability scanning

C.

Mapping of an attack surface

D.

Penetration scanning

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Questions 9

During which of the following attack phases might a request sent to port 1433 over a whole company network be seen within a log?

Options:

A.

Reconnaissance

B.

Scanning

C.

Gaining access

D.

Persistence

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Questions 10

Which of the following describes United States federal government cybersecurity policies and guidelines?

Options:

A.

NIST

B.

ANSI

C.

NERC

D.

GDPR

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Questions 11

While planning a vulnerability assessment on a computer network, which of the following is essential? (Choose two.)

Options:

A.

Identifying exposures

B.

Identifying critical assets

C.

Establishing scope

D.

Running scanning tools

E.

Installing antivirus software

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Questions 12

During which phase of the incident response process should an organization develop policies and procedures for incident handling?

Options:

A.

Containment

B.

Preparation

C.

Identification

D.

Recovery

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Questions 13

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?

Options:

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.

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Questions 14

An incident responder was asked to analyze malicious traffic. Which of the following tools would be BEST for this?

Options:

A.

Hex editor

B.

tcpdump

C.

Wireshark

D.

Snort

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Questions 15

Which asset would be the MOST desirable for a financially motivated attacker to obtain from a health insurance company?

Options:

A.

Transaction logs

B.

Intellectual property

C.

PII/PHI

D.

Network architecture

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Questions 16

During a security investigation, a suspicious Linux laptop is found in the server room. The laptop is processing information and indicating network activity. The investigator is preparing to launch an investigation to

determine what is happening with this laptop. Which of the following is the MOST appropriate set of Linux commands that should be executed to conduct the investigation?

Options:

A.

iperf, traceroute, whois, ls, chown, cat

B.

iperf, wget, traceroute, dc3dd, ls, whois

C.

lsof, chmod, nano, whois, chown, ls

D.

lsof, ifconfig, who, ps, ls, tcpdump

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Questions 17

Which of the following are core functions of SIEM solutions?

Options:

A.

Alerts of potential attacks, forensic investigations, and incident detection.

B.

Forensic investigations, threat modeling, and big data analysis.

C.

Malware analysis, forensic investigations, and incident detection.

D.

Static malware analysis, dynamic malware analysis, and incident detection.

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Questions 18

Which of the following is the GREATEST risk of having security information and event management (SIEM) collect computer names with older log entries?

Options:

A.

There may be duplicate computer names on the network.

B.

The computer name may not be admissible evidence in court.

C.

Domain Name System (DNS) records may have changed since the log was created.

D.

There may be field name duplication when combining log files.

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Questions 19

The NIST framework 800-137 breaks down the concept of continuous monitoring into which system of tiers?

Options:

A.

Tier 1 is information systems, Tier 2 is mission/business processes, and Tier 3 is the organization.

B.

Tier 1 is the organization, Tier 2 is mission/business processes, and Tier 3 is information systems.

C.

Tier 1 is information systems, Tier 2 is the organization, and Tier 3 is mission/business processes.

D.

Tier 1 is the organization, Tier 2 is information systems, and Tier 3 is mission/business processes.

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Questions 20

During the forensic analysis of a compromised computer image, the investigator found that critical files are missing, caches have been cleared, and the history and event log files are empty. According to this scenario, which of the following techniques is the suspect using?

Options:

A.

System hardening techniques

B.

System optimization techniques

C.

Defragmentation techniques

D.

Anti-forensic techniques

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Questions 21

Detailed step-by-step instructions to follow during a security incident are considered:

Options:

A.

Policies

B.

Guidelines

C.

Procedures

D.

Standards

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Questions 22

A system administrator identifies unusual network traffic from outside the local network. Which of the following

is the BEST method for mitigating the threat?

Options:

A.

Malware scanning

B.

Port blocking

C.

Packet capturing

D.

Content filtering

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Questions 23

An incident responder discovers that the CEO logged in from their New York City office and then logged in from a location in Beijing an hour later. The incident responder suspects that the CEO’s account has been

compromised. Which of the following anomalies MOST likely contributed to the incident responder’s suspicion?

Options:

A.

Geolocation

B.

False positive

C.

Geovelocity

D.

Advanced persistent threat (APT) activity

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Questions 24

Which of the following is the BEST way to prevent social engineering attacks?

Options:

A.

Implementing strong physical security.

B.

Training users on a regular basis.

C.

Implementing two-factor access control.

D Implementing strict policies and procedures

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Questions 25

A Linux system administrator found suspicious activity on host IP 192.168.10.121. This host is also establishing a connection to IP 88.143.12.123. Which of the following commands should the administrator use to capture only the traffic between the two hosts?

Options:

A.

# tcpdump -i eth0 host 88.143.12.123

B.

# tcpdump -i eth0 dst 88.143.12.123

C.

# tcpdump -i eth0 host 192.168.10.121

D.

# tcpdump -i eth0 src 88.143.12.123

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Questions 26

A security administrator notices a process running on their local workstation called SvrsScEsdKexzCv.exe.

The unknown process is MOST likely:

Options:

A.

Malware

B.

A port scanner

C.

A system process

D.

An application process

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Questions 27

Which of the following are part of the hardening phase of the vulnerability assessment process? (Choose two.)

Options:

A.

Installing patches

B.

Updating configurations

C.

Documenting exceptions

D.

Conducting audits

E.

Generating reports

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Questions 28

During recovery from an incident, which three options should a company focus on? (Choose three.)

Options:

A.

Evaluating the success of the current incident response plan

B.

Ensuring proper notifications have been made

C.

Providing details of the breach to media

D.

Identifying the responsible parties

E.

Restoring system and network connectivity

F.

Determining the financial impact of the breach

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Questions 29

What allows a company to restore normal business operations in a matter of minutes or seconds?

Options:

A.

Cold site

B.

Warm site

C.

Mobile site

D.

Hot site

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Questions 30

A first responder notices a file with a large amount of clipboard information stored in it. Which part of the MITRE ATT&CK matrix has the responder discovered?

Options:

A.

Collection

B.

Discovery

C.

Lateral movement

D.

Exfiltration

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Questions 31

A company has noticed a trend of attackers gaining access to corporate mailboxes. Which of the following

would be the BEST action to take to plan for this kind of attack in the future?

Options:

A.

Scanning email server for vulnerabilities

B.

Conducting security awareness training

C.

Hardening the Microsoft Exchange Server

D.

Auditing account password complexity

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Questions 32

A security analyst has discovered that an application has failed to run. Which of the following is the tool MOST

likely used by the analyst for the initial discovery?

Options:

A.

syslog

B.

MSConfig

C.

Event Viewer

D.

Process Monitor

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Questions 33

Which of the following would MOST likely make a Windows workstation on a corporate network vulnerable to remote exploitation?

Options:

A.

Disabling Windows Updates

B.

Disabling Windows Firewall

C.

Enabling Remote Registry

D.

Enabling Remote Desktop

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Questions 34

The "right to be forgotten" is considered a core tenet of which of the following privacy-focused acts or regulations?

Options:

A.

GDPR

B.

CCPA

C.

PPA

D.

HIPPA

E.

COPPA

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Questions 35

Nmap is a tool most commonly used to:

Options:

A.

Map a route for war-driving

B.

Determine who is logged onto a host

C.

Perform network and port scanning

D.

Scan web applications

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Questions 36

During which phase of a vulnerability assessment would a security consultant need to document a requirement to retain a legacy device that is no longer supported and cannot be taken offline?

Options:

A.

Conducting post-assessment tasks

B.

Determining scope

C.

Identifying critical assets

D.

Performing a vulnerability scan

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Questions 37

Which of the following is a cybersecurity solution for insider threats to strengthen information protection?

Options:

A.

Web proxy

B.

Data loss prevention (DLP)

C.

Anti-malware

D.

Intrusion detection system (IDS)

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Questions 38

A system administrator has been tasked with developing highly detailed instructions for patching managed assets using the corporate patch management solution. These instructions are an example of which of the following?

Options:

A.

Process

B.

Procedure

C.

Standard

D.

Policy

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Questions 39

If an organization suspects criminal activity during the response to an incident, when should they notify law enforcement authorities?

Options:

A.

After one day of network downtime.

B.

According to a pre-defined cost threshold.

C.

As soon as criminal activity is suspected.

D.

After the criminal activity is confirmed.

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Questions 40

During an incident, the following actions have been taken:

-Executing the malware in a sandbox environment

-Reverse engineering the malware

-Conducting a behavior analysis

Based on the steps presented, which of the following incident handling processes has been taken?

Options:

A.

Containment

B.

Eradication

C.

Recovery

D.

Identification

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Questions 41

What is the primary role of an intrusion detection system (IDS) on a network?

Options:

A.

Blocking malicious packets

B.

Detection of possible threats

C.

Detection of network vulnerabilities

D.

Detection of system failures

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Questions 42

A cybersecurity expert assigned to be the IT manager of a middle-sized company discovers that there is little endpoint security implementation on the company’s systems. Which of the following could be included in an endpoint security solution? (Choose two.)

Options:

A.

Web proxy

B.

Network monitoring system

C.

Data loss prevention (DLP)

D.

Anti-malware

E.

Network Address Translation (NAT)

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Questions 43

A company website was hacked via the following SQL query:

email, passwd, login_id, full_name FROM members

WHERE email = “attacker@somewhere.com”; DROP TABLE members; –”

Which of the following did the hackers perform?

Options:

A.

Cleared tracks of attacker@somewhere.com entries

B.

Deleted the entire members table

C.

Deleted the email password and login details

D.

Performed a cross-site scripting (XSS) attack

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Questions 44

A forensic analyst has been tasked with analyzing disk images with file extensions such as .001, .002, etc. Which of the following disk imaging tools was MOST LIKELY used to create these image files?

Options:

A.

Encase

B.

ExifTool

C.

SIFT

D.

FTK

E.

dd

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Questions 45

What is baseline security?

Options:

A.

A measurement used when a system changes from its original baseline.

B.

An organization's insecure starting point before fixing any security issues.

C.

An organization's secure starting point after fixing any security issues.

D.

A document stipulating constraints and practices that a user must agree to for access to an organization's network.

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Questions 46

Which of the following does the command nmap –open 10.10.10.3 do?

Options:

A.

Execute a scan on a single host, returning only open ports.

B.

Execute a scan on a subnet, returning detailed information on open ports.

C.

Execute a scan on a subnet, returning all hosts with open ports.

D.

Execute a scan on a single host, returning open services.

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Questions 47

After successfully enumerating the target, the hacker determines that the victim is using a firewall. Which of the following techniques would allow the hacker to bypass the intrusion prevention system (IPS)?

Options:

A.

Stealth scanning

B.

Xmas scanning

C.

FINS scanning

D.

Port scanning

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Questions 48

It was recently discovered that many of an organization’s servers were running unauthorized cryptocurrency mining software. Which of the following assets were being targeted in this attack? (Choose two.)

Options:

A.

Power resources

B.

Network resources

C.

Disk resources

D.

Computing resources

E.

Financial resources

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Questions 49

A system administrator pulls records from a database that only requires the use of their general user vs. domain admin account. Use of the general user account demonstrates which of the following concepts?

Options:

A.

Discretionary Access Control

B.

Separation of Duties

C.

Least Privilege

D.

Privileged Access Management

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Questions 50

In a Linux operating system, what kind of information does a /var/log/daemon.log file contain?

Options:

A.

Debug-related messages

B.

Various system background processes

C.

System messages

D.

User password

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Questions 51

Which of the following types of attackers would be MOST likely to use multiple zero-day exploits executed against high-value, well-defended targets for the purposes of espionage and sabotage?

Options:

A.

Cybercriminals

B.

Hacktivists

C.

State-sponsored hackers

D.

Cyberterrorist

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Questions 52

Which encryption technology was built into Mac OS X?

Options:

A.

VeraCrypt

B.

FileVault

C.

LUKS

D.

Bitlocker

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Questions 53

Organizations considered “covered entities” are required to adhere to which compliance requirement?

Options:

A.

Health Insurance Portability and Accountability Act of 1996 (HIPAA)

B.

Payment Card Industry Data Security Standard (PCI DSS)

C.

Sarbanes-Oxley Act (SOX)

D.

International Organization for Standardization (ISO) 27001

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Questions 54

An automatic vulnerability scan has been performed. Which is the next step of the vulnerability assessment process?

Options:

A.

Hardening the infrastructure

B.

Documenting exceptions

C.

Assessing identified exposures

D.

Generating reports

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Exam Code: CFR-410
Exam Name: CyberSec First Responder (CFR) Exam
Last Update: Apr 22, 2025
Questions: 180

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