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312-50v13 β€” questions

Page 10 of 16 Β· 308 total questions.

Topic 1 Β· Question 181

An organization has been experiencing intrusion attempts despite deploying an Intrusion Detection System (IDS) and Firewalls. As a Certified Ethical Hacker, you are asked to reinforce the intrusion detection process and recommend a better rule-based approach. The IDS uses Snort rules and the new recommended tool should be able to complement it. You suggest using YARA rules with an additional tool for rule generation. Which of the following tools would be the best choice for this purpose and why?

  • AyarGen - Because it generates YARA rules from strings identified in malware files while removing strings that also appear in goodware files
  • BKoodous - Because it combines social networking with antivirus signatures and YARA rules to detect malware
  • CYaraRET - Because it helps in reverse engineering Trojans to generate YARA rules
  • DAutoYara - Because it automates the generation of YARA rules from a set of malicious and benign files (correct answer)
Reveal answer & explanation
Correct answer: D

The correct answer is D. Option D: AutoYara - Because it automates the generation of YARA rules from a set of malicious and benign files

Topic 1 Β· Question 182

During an attempt to perform an SQL injection attack, a certified ethical hacker is focusing on the identification of database engine type by generating an ODBC error. The ethical hacker, after injecting various payloads, finds that the web application returns a standard, generic error message that does not reveal any detailed database information. Which of the following techniques would the hacker consider next to obtain useful information about the underlying database?

  • AUtilize a blind injection technique that uses time delays or error signatures to extract information (correct answer)
  • BTry to insert a string value where a number is expected in the input field
  • CAttempt to compromise the system through OS-level command shell execution
  • DUse the UNION operator to combine the result sets of two or more SELECT statements
Reveal answer & explanation
Correct answer: A

The correct answer is A. Option A: Utilize a blind injection technique that uses time delays or error signatures to extract information

Explanation

Network address translation maps addresses between networks and commonly lets private hosts share public connectivity.

Topic 1 Β· Question 183

During an ethical hacking engagement, you have been assigned to evaluate the security of a large organization's network. While examining the network traffic, you notice numerous incoming requests on various ports from different locations that show a pattern of an orchestrated attack. Based on your analysis, you deduce that the requests are likely to be automated scripts being run by unskilled hackers. What type of hacker classification does this scenario most likely represent?

  • AScript Kiddies trying to compromise the system using pre-made scripts. (correct answer)
  • BGray Hats testing system vulnerabilities to help vendors improve security.
  • CWhite Hats conducting penetration testing to identify security weaknesses.
  • DBlack Hats trying to exploit system vulnerabilities for malicious intent.
Reveal answer & explanation
Correct answer: A

The correct answer is A. Option A: Script Kiddies trying to compromise the system using pre-made scripts. This option keeps traffic private / properly secured as required.

Topic 1 Β· Question 184

Your company suspects a potential security breach and has hired you as a Certified Ethical Hacker to investigate. You discover evidence of footprinting through search engines and advanced Google hacking techniques. The attacker utilized Google search operators to extract sensitive information. You further notice queries that indicate the use of the Google Hacking Database (CHDB) with an emphasis on VPN footprinting. Which of the following Google advanced search operators would be the LEAST useful in providing the attacker with sensitive VPN-related information?

  • Alocation: This operator finds information for a specific location (correct answer)
  • Binurl: This operator restricts the results to only the pages containing the specified word in the URL
  • Clink: This operator searches websites or pages that contain links to the specified website or page
  • Dintitle: This operator restricts results to only the pages containing the specified term in the title
Reveal answer & explanation
Correct answer: A

The correct answer is A. Option A: location: This operator finds information for a specific location This option keeps traffic private / properly secured as required.

Topic 1 Β· Question 185

In a recent cyber-attack against a large corporation, an unknown adversary compromised the network and began escalating privileges and lateral movement. The security team identified that the adversary used a sophisticated set of techniques, specifically targeting zero-day vulnerabilities. As a Certified Ethical Hacker (CEH) hired to understand this attack and propose preventive measures, which of the following actions will be most crucial for your initial analysis?

  • AIdentifying the specific tools used by the adversary for privilege escalation.
  • BAnalyzing the initial exploitation methods, the adversary used. (correct answer)
  • CChecking the persistence mechanisms used by the adversary in compromised systems.
  • DInvestigating the data exfiltration methods used by the adversary.
Reveal answer & explanation
Correct answer: B

The correct answer is B. Option B: Analyzing the initial exploitation methods, the adversary used. This option keeps traffic private / properly secured as required.

Topic 1 Β· Question 186

Jason, a certified ethical hacker, is hired by a major e-commerce company to evaluate their network's security. As part of his reconnaissance, Jason is trying to gain as much information as possible about the company's public-facing servers without arousing suspicion. His goal is to find potential points of entry and map out the network infrastructure for further examination. Which technique should Jason employ to gather this information without alerting the company's intrusion detection systems (IDS)?

  • AJason should directly connect to each server and attempt to exploit known vulnerabilities.
  • BJason should use passive reconnaissance techniques such as WHOIS lookups, NS lookups, and web research. (correct answer)
  • CJason should use a DNS zone transfer to gather information about the company's servers.
  • DJason should perform a ping sweep to identify all the live hosts in the company's IP range.
Reveal answer & explanation
Correct answer: B

The correct answer is B. Option B: Jason should use passive reconnaissance techniques such as WHOIS lookups, NS lookups, and web research. This option keeps traffic private / properly secured as required.

Topic 1 Β· Question 187

As the lead security engineer for a retail corporation, you are assessing the security of the wireless networks in the company's stores. One of your main concerns is the potential for "Wardriving" attacks, where attackers drive around with a Wi-Fi-enabled device to discover vulnerable wireless networks. Given the nature of the retail stores, you need to ensure that any security measures you implement do not interfere with customer experience, such as their ability to access in-store Wi-Fi. Taking into consideration these factors, which of the following would be the most suitable measure to mitigate the risk of Wardriving attacks?

  • ALimit the range of the store's wireless signals
  • BImplement MAC address filtering
  • CDisable SSID broadcasting
  • DImplement WPA3 encryption for the store's Wi-Fi network (correct answer)
Reveal answer & explanation
Correct answer: D

The correct answer is D. Option D: Implement WPA3 encryption for the store's Wi-Fi network

Explanation

Encryption protects confidentiality by making data unreadable without the appropriate key. WPA3 strengthens wireless authentication and encryption compared with earlier Wi-Fi security standards. This option keeps traffic private / properly secured as required.

Topic 1 Β· Question 188

A penetration tester was assigned to scan a large network range to find live hosts. The network is known for using strict TCP filtering rules on its firewall, which may obstruct common host discovery techniques. The tester needs a method that can bypass these firewall restrictions and accurately identify live systems. What host discovery technique should the tester use?

  • AICMP Timestamp Ping Scan
  • BICMP ECHO Ping Scan
  • CTCP SYN Ping Scan (correct answer)
  • DUDP Ping Scan
Reveal answer & explanation
Correct answer: C

The correct answer is C. Option C: TCP SYN Ping Scan

Topic 1 Β· Question 189

As part of a college project, you have set up a web server for hosting your team’s application. Given your interest in cybersecurity, you have taken the lead in securing the server. You are aware that hackers often attempt to exploit server misconfigurations. Which of the following actions would best protect your web server from potential misconfiguration-based attacks?

  • ARegularly backing up server data
  • BEnabling multi-factor authentication for users
  • CImplementing a firewall to filter traffic
  • DPerforming regular server configuration audits (correct answer)
Reveal answer & explanation
Correct answer: D

The correct answer is D. Option D: Performing regular server configuration audits This option keeps traffic private / properly secured as required.

Topic 1 Β· Question 190

You are the chief cybersecurity officer at CloudSecure Inc., and your team is responsible for securing a cloud based application that handles sensitive customer data. To ensure that the data is protected from breaches, you have decided to implement encryption for both data-at-rest and data-in-transit. The development team suggests using SSL/TLS for securing data in transit. However, you want to also implement a mechanism to detect if the data was tampered with during transmission. Which of the following should you propose?

  • AImplement IPsec in addition to SSL/TLS. (correct answer)
  • BSwitch to using SSH for data transmission.
  • CEncrypt data using the AES algorithm before transmission.
  • DUse the cloud service provider's built-in encryption services.
Reveal answer & explanation
Correct answer: A

The correct answer is A. Option A: Implement IPsec in addition to SSL/TLS.

Explanation

TLS protects data in transit with authenticated encryption between network endpoints. An intrusion prevention system detects and actively blocks malicious traffic inline. This option keeps traffic private / properly secured as required.

Topic 1 Β· Question 191

Sarah, a system administrator, was alerted of potential malicious activity on the network of her company. She discovered a malicious program spread through the instant messenger application used by her team. The attacker had obtained access to one of her teammate's messenger accounts and started sending files across the contact list. Which best describes the attack scenario and what measure could have prevented it?

  • AInsecure Patch Management; updating application software regularly
  • BInstant Messenger Applications; verifying the sender's identity before opening any files (correct answer)
  • CRogue/Decoy Applications; ensuring software is labeled as TRUSTED
  • DPortable Hardware Media/Removable Devices; disabling Autorun functionality
Reveal answer & explanation
Correct answer: B

The correct answer is B. Option B: Instant Messenger Applications; verifying the sender's identity before opening any files

Topic 1 Β· Question 192

A multinational organization has recently faced a severe information security breach. Investigations reveal that the attacker had a high degree of understanding of the organization’s internal processes and systems. This knowledge was utilized to bypass security controls and corrupt valuable resources. Considering this event, the security team is contemplating the type of attack that occurred and the steps they could have taken to prevent it. Choose the most plausible type of attack and a countermeasure that the organization could have employed:

  • AInsider attacks and the organization should have implemented robust access control and monitoring. (correct answer)
  • BDistribution attack and the organization could have ensured software and hardware integrity checks.
  • CPassive attack and the organization should have used encryption techniques.
  • DActive attack and the organization could have used network traffic analysis.
Reveal answer & explanation
Correct answer: A

The correct answer is A. Option A: Insider attacks and the organization should have implemented robust access control and monitoring. This option keeps traffic private / properly secured as required.

Topic 1 Β· Question 193

As a security analyst for SkySecure Inc., you are working with a client that uses a multi-cloud strategy, utilizing services from several cloud providers. The client wants to implement a system that will provide unified security management across all their cloud platforms. They need a solution that allows them to consistently enforce security policies, identify and respond to threats, and maintain visibility of all their cloud resources. Which of the following should you recommend as the best solution?

  • AUse a Cloud Access Security Broker (CASB). (correct answer)
  • BUse a hardware-based firewall to secure all cloud resources.
  • CImplement separate security management tools for each cloud platform.
  • DRely on the built-in security features of each cloud platform.
Reveal answer & explanation
Correct answer: A

The correct answer is A. Option A: Use a Cloud Access Security Broker (CASB). This option keeps traffic private / properly secured as required.

Topic 1 Β· Question 194

As a security consultant, you are advising a startup that is developing an IoT device for home security. The device communicates with a mobile app, allowing homeowners to monitor their homes in real time. The CEO is concerned about potential Man-in-the-Middle (MitM) attacks that could allow an attacker to intercept and manipulate the device's communication. Which of the following solutions would best protect against such attacks?

  • AUse CAPTCHA on the mobile app's login screen.
  • BImplement SSL/TLS encryption for data transmission between the IoT device and the mobile app. (correct answer)
  • CLimit the range of the IoT device's wireless signals.
  • DFrequently change the IoT device's IP address.
Reveal answer & explanation
Correct answer: B

The correct answer is B. Option B: Implement SSL/TLS encryption for data transmission between the IoT device and the mobile app.

Explanation

Encryption protects confidentiality by making data unreadable without the appropriate key. TLS protects data in transit with authenticated encryption between network endpoints. This option meets the real-time / low-latency performance requirement.

Topic 1 Β· Question 195

A Certified Ethical Hacker (CEH) is analyzing a target network. To do this, he decides to utilize an IDLE/IPID header scan using Nmap. The network analysis reveals that the IPID number increases by 2 after following the steps of an IDLE scan. Based on this information, what can the CEH conclude about the target network?

  • AThe ports on the target network are open (correct answer)
  • BThe target network has no firewall present
  • CThe ports on the target network are closed
  • DThe target network has a stateful firewall present
Reveal answer & explanation
Correct answer: A

The correct answer is A. Option A: The ports on the target network are open

Topic 1 Β· Question 196

You have been given the responsibility to ensure the security of your school's web server. As a step towards this, you plan to restrict unnecessary services running on the server. In the context of web server security, why is this step considered important?

  • AUnnecessary services eat up server memory; save memory resources.
  • BUnnecessary services could contain vulnerabilities; minimize the attack surface. (correct answer)
  • CUnnecessary services reveal server software; hide software details.
  • DUnnecessary services slow down the server; optimize server speed.
Reveal answer & explanation
Correct answer: B

The correct answer is B. Option B: Unnecessary services could contain vulnerabilities; minimize the attack surface. This option keeps traffic private / properly secured as required.

Topic 1 Β· Question 197

An ethical hacker is hired to evaluate the defenses of an organization's database system which is known to employ a signature-based IDS. The hacker knows that some SQL Injection evasion techniques may allow him to bypass the system's signatures. During the operation, he successfully retrieved a list of usernames from the database without triggering an alarm by employing an advanced evasion technique. Which of the following could he have used?

  • AUtilizing the char encoding function to convert hexadecimal and decimal values into characters that pass-through SQL engine parsing (correct answer)
  • BImplementing sophisticated matches such as "OR john' = 'john'" in place of classical matches like "OR 1=1"
  • CManipulating white spaces in SQL queries to bypass signature detection
  • DUsing the URL encoding method to replace characters with their ASCII codes in hexadecimal form
Reveal answer & explanation
Correct answer: A

The correct answer is A. Option A: Utilizing the char encoding function to convert hexadecimal and decimal values into characters that pass-through SQL engine parsing

Topic 1 Β· Question 198

As the Chief Information Security Officer (CISO) at a large university, you are responsible for the security of a campus-wide Wi-Fi network that serves thousands of students, faculty, and staff. Recently, there has been a rise in reports of unauthorized network access, and you suspect that some users are sharing their login credentials. You are considering deploying an additional layer of security that could effectively mitigate this issue. What would be the most suitable measure to implement in this context?

  • AImplement network segmentation
  • BDeploy a VPN for the entire campus
  • CEnforce a policy of regularly changing Wi-Fi passwords
  • DImplement 802.1X authentication (correct answer)
Reveal answer & explanation
Correct answer: D

The correct answer is D. Option D: Implement 802.1X authentication

Explanation

802.1X provides port-based network access control using a supplicant, authenticator, and authentication server. This option keeps traffic private / properly secured as required.

Topic 1 Β· Question 199

An ethical hacker is scanning a target network. They initiate a TCP connection by sending an SYN packet to a target machine and receiving a SYN/ACK packet in response. But instead of completing the three-way handshake with an ACK packet, they send an RST packet. What kind of scan is the ethical hacker likely performing and what is their goal?

  • AThey are performing an SYN scan to stealthily identify open ports without fully establishing a connection. (correct answer)
  • BThey are performing a network scan to identify live hosts and their IP addresses.
  • CThey are performing a TCP connect scan to identify open ports on the target machine.
  • DThey are performing a vulnerability scan to identify any weaknesses in the target system.
Reveal answer & explanation
Correct answer: A

The correct answer is A. Option A: They are performing an SYN scan to stealthily identify open ports without fully establishing a connection.

Topic 1 Β· Question 200

In the process of setting up a lab for malware analysis, a cybersecurity analyst is tasked to establish a secure environment using a sheep dip computer. The analyst must prepare the testbed while adhering to best practices. Which of the following steps should the analyst avoid when configuring the environment?

  • AInstalling malware analysis tools on the guest OS
  • BConnecting the system to the production network during the malware analysis (correct answer)
  • CSimulating Internet services using tools such as INetSim
  • DInstalling multiple guest operating systems on the virtual machine(s)
Reveal answer & explanation
Correct answer: B

The correct answer is B. Option B: Connecting the system to the production network during the malware analysis This option keeps traffic private / properly secured as required.

Showing questions 181–200 of 308 Β· Page 10 of 16