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312-50v13 — all questions

308 practice questions with answers and explanations.

Topic 1 · Question 1

In this form of encryption algorithm, every individual block contains 64-bit data, and three keys are used, where each key consists of 56 bits. Which is this encryption algorithm?

  • AIDEA
  • BTriple Data Encryption Standard (correct answer)
  • CAES
  • DMD5 encryption algorithm
Reveal answer & explanation
Correct answer: B

The correct answer is B. Option B: Triple Data Encryption Standard

Explanation

Encryption protects confidentiality by making data unreadable without the appropriate key. This option keeps traffic private / properly secured as required.

Topic 1 · Question 2

John is investigating web-application firewall logs and observers that someone is attempting to inject the following: What type of attack is this?

Exhibit 1 for question 2
  • ASQL injection
  • BBuffer overflow (correct answer)
  • CCSRF
  • DXSS
Reveal answer & explanation
Correct answer: B

The correct answer is B. Option B: Buffer overflow

Explanation

A buffer overflow writes beyond allocated memory boundaries and can corrupt data, crash a process, or enable code execution.

Topic 1 · Question 3

John, a professional hacker, performs a network attack on a renowned organization and gains unauthorized access to the target network. He remains in the network without being detected for a long time and obtains sensitive information without sabotaging the organization. Which of the following attack techniques is used by John?

  • AInsider threat
  • BDiversion theft
  • CSpear-phishing sites
  • DAdvanced persistent threat (correct answer)
Reveal answer & explanation
Correct answer: D

The correct answer is D. Option D: Advanced persistent threat

Topic 1 · Question 4

You are attempting to run an Nmap port scan on a web server. Which of the following commands would result in a scan of common ports with the least amount of noise in order to evade IDS?

  • Anmap -A - Pn
  • Bnmap -sP -p-65535 -T5
  • Cnmap -sT -O -T0 (correct answer)
  • Dnmap -A --host-timeout 99 -T1
Reveal answer & explanation
Correct answer: C

The correct answer is C. Option C: nmap -sT -O -T0

Explanation

Nmap performs network discovery, port scanning, service/version detection, and operating-system fingerprinting.

Topic 1 · Question 5

This wireless security protocol allows 192-bit minimum-strength security protocols and cryptographic tools to protect sensitive data, such as GCMP-256, HMAC-SHA384, and ECDSA using a 384-bit elliptic curve. Which is this wireless security protocol?

  • AWPA3-Personal
  • BWPA3-Enterprise (correct answer)
  • CWPA2-Enterprise
  • DWPA2-Personal
Reveal answer & explanation
Correct answer: B

The correct answer is B. Option B: WPA3-Enterprise

Explanation

WPA3 strengthens wireless authentication and encryption compared with earlier Wi-Fi security standards. This option keeps traffic private / properly secured as required.

Topic 1 · Question 6

What are common files on a web server that can be misconfigured and provide useful information for a hacker such as verbose error messages?

  • Ahttpd.conf
  • Badministration.config
  • Cphp.ini (correct answer)
  • Didq.dll
Reveal answer & explanation
Correct answer: C

The correct answer is C. Option C: php.ini

Topic 1 · Question 7

Gerard, a disgruntled ex-employee of Sunglass IT Solutions, targets this organization to perform sophisticated attacks and bring down its reputation in the market. To launch the attacks process, he performed DNS footprinting to gather information about DNS servers and to identify the hosts connected in the target network. He used an automated tool that can retrieve information about DNS zone data including DNS domain names, computer names, IP addresses, DNS records, and network Whois records. He further exploited this information to launch other sophisticated attacks. What is the tool employed by Gerard in the above scenario?

  • ATowelroot
  • BKnative
  • CzANTI
  • DBluto (correct answer)
Reveal answer & explanation
Correct answer: D

The correct answer is D. Option D: Bluto

Topic 1 · Question 8

Tony is a penetration tester tasked with performing a penetration test. After gaining initial access to a target system, he finds a list of hashed passwords. Which of the following tools would not be useful for cracking the hashed passwords?

  • AHashcat
  • BJohn the Ripper
  • CTHC-Hydra
  • Dnetcat (correct answer)
Reveal answer & explanation
Correct answer: D

The correct answer is D. Option D: netcat

Topic 1 · Question 9

Which of the following Google advanced search operators helps an attacker in gathering information about websites that are similar to a specified target URL?

  • A[inurl:]
  • B[info:]
  • C[site:]
  • D[related:] (correct answer)
Reveal answer & explanation
Correct answer: D

The correct answer is D. Option D: [related:]

Topic 1 · Question 10

You are a penetration tester working to test the user awareness of the employees of the client XYZ. You harvested two employees’ emails from some public sources and are creating a client-side backdoor to send it to the employees via email. Which stage of the cyber kill chain are you at?

  • AReconnaissance
  • BWeaponization (correct answer)
  • CCommand and control
  • DExploitation
Reveal answer & explanation
Correct answer: B

The correct answer is B. Option B: Weaponization

Topic 1 · Question 11

While performing an Nmap scan against a host, Paola determines the existence of a firewall. In an attempt to determine whether the firewall is stateful or stateless, which of the following options would be best to use?

  • A-sA (correct answer)
  • B-sX
  • C-sT
  • D-sF
Reveal answer & explanation
Correct answer: A

The correct answer is A. Option A: -sA

Topic 1 · Question 12

A newly joined employee, Janet, has been allocated an existing system used by a previous employee. Before issuing the system to Janet, it was assessed by Martin, the administrator. Martin found that there were possibilities of compromise through user directories, registries, and other system parameters. He also identified vulnerabilities such as native configuration tables, incorrect registry or file permissions, and software configuration errors. What is the type of vulnerability assessment performed by Martin?

  • ADatabase assessment
  • BHost-based assessment (correct answer)
  • CCredentialed assessment
  • DDistributed assessment
Reveal answer & explanation
Correct answer: B

The correct answer is B. Option B: Host-based assessment

Topic 1 · Question 13

Jane, an ethical hacker, is testing a target organization’s web server and website to identify security loopholes. In this process, she copied the entire website and its content on a local drive to view the complete profile of the site’s directory structure, file structure, external links, images, web pages, and so on. This information helps Jane map the website’s directories and gain valuable information. What is the attack technique employed by Jane in the above scenario?

  • ASession hijacking
  • BWebsite mirroring (correct answer)
  • CWebsite defacement
  • DWeb cache poisoning
Reveal answer & explanation
Correct answer: B

The correct answer is B. Option B: Website mirroring This option keeps traffic private / properly secured as required.

Topic 1 · Question 14

An organization is performing a vulnerability assessment for mitigating threats. James, a pen tester, scanned the organization by building an inventory of the protocols found on the organization’s machines to detect which ports are attached to services such as an email server, a web server, or a database server. After identifying the services, he selected the vulnerabilities on each machine and started executing only the relevant tests. What is the type of vulnerability assessment solution that James employed in the above scenario?

  • AService-based solutions
  • BProduct-based solutions
  • CTree-based assessment
  • DInference-based assessment (correct answer)
Reveal answer & explanation
Correct answer: D

The correct answer is D. Option D: Inference-based assessment

Topic 1 · Question 15

Taylor, a security professional, uses a tool to monitor her company’s website, analyze the website’s traffic, and track the geographical location of the users visiting the company’s website. Which of the following tools did Taylor employ in the above scenario?

  • AWebroot
  • BWeb-Stat (correct answer)
  • CWebSite-Watcher
  • DWAFW00F
Reveal answer & explanation
Correct answer: B

The correct answer is B. Option B: Web-Stat This option keeps traffic private / properly secured as required.

Topic 1 · Question 16

Becky has been hired by a client from Dubai to perform a penetration test against one of their remote offices. Working from her location in Columbus, Ohio, Becky runs her usual reconnaissance scans to obtain basic information about their network. When analyzing the results of her Whois search, Becky notices that the IP was allocated to a location in Le Havre, France. Which regional Internet registry should Becky go to for detailed information?

  • AARIN
  • BLACNIC
  • CAPNIC
  • DRIPE (correct answer)
Reveal answer & explanation
Correct answer: D

The correct answer is D. Option D: RIPE

Topic 1 · Question 17

Harry, a professional hacker, targets the IT infrastructure of an organization. After preparing for the attack, he attempts to enter the target network using techniques such as sending spear-phishing emails and exploiting vulnerabilities on publicly available servers. Using these techniques, he successfully deployed malware on the target system to establish an outbound connection. What is the APT lifecycle phase that Harry is currently executing?

  • AInitial intrusion (correct answer)
  • BPersistence
  • CCleanup
  • DPreparation
Reveal answer & explanation
Correct answer: A

The correct answer is A. Option A: Initial intrusion

Topic 1 · Question 18

Robin, a professional hacker, targeted an organization’s network to sniff all the traffic. During this process, Robin plugged in a rogue switch to an unused port in the LAN with a priority lower than any other switch in the network so that he could make it a root bridge that will later allow him to sniff all the traffic in the network. What is the attack performed by Robin in the above scenario?

  • AARP spoofing attack
  • BSTP attack (correct answer)
  • CDNS poisoning attack
  • DVLAN hopping attack
Reveal answer & explanation
Correct answer: B

The correct answer is B. Option B: STP attack

Topic 1 · Question 19

An attacker utilizes a Wi-Fi Pineapple to run an access point with a legitimate-looking SSID for a nearby business in order to capture the wireless password. What kind of attack is this?

  • AMAC spoofing attack
  • BWar driving attack
  • CPhishing attack
  • DEvil-twin attack (correct answer)
Reveal answer & explanation
Correct answer: D

The correct answer is D. Option D: Evil-twin attack

Topic 1 · Question 20

CyberTech Inc. recently experienced SQL injection attacks on its official website. The company appointed Bob, a security professional, to build and incorporate defensive strategies against such attacks. Bob adopted a practice whereby only a list of entities such as the data type, range, size, and value, which have been approved for secured access, is accepted. What is the defensive technique employed by Bob in the above scenario?

  • AWhitelist validation (correct answer)
  • BOutput encoding
  • CBlacklist validation
  • DEnforce least privileges
Reveal answer & explanation
Correct answer: A

The correct answer is A. Option A: Whitelist validation This option keeps traffic private / properly secured as required.

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