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| Certification Vendor: | CertiProf |
|---|---|
| Exam Name: | Ethical Hacking Professional Certification |
| Exam Number: | CEHPC |
| Related Certifications: | Cyber Security Foundation Professional Certification PenTester Professional Certification |
| Exam Format: | Closed Book, Multiple Choice |
| Exam Price: | USD $150 |
| Certificate Validity Period: | Not specified |
| Real Exam Qty: | 40 |
| Available Languages: | English, Spanish |
| Exam Duration: | 60 minutes |
| Passing Score: | 80% (32/40) |
| Sample Questions: | CertiProf CEHPC Sample Questions |
| Exam Way: | Online proctored exam |
| Pre Condition: | Basic computer knowledge and reading comprehension in English are recommended. |
| Official Syllabus URL: | https://certiprof.com/products/ethical-hacking-professional-certification-cehpc |
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質問 # 56
Can ransomware attacks happen to anyone or only to large companies?
正解：B
解説：
Ransomware is a pervasive and devastating form of malware that encrypts a victim's files, rendering them inaccessible until a ransom, typically in cryptocurrency, is paid to the attacker. A critical misconception in modern cybersecurity is that ransomware only targets high-value, large-scale organizations. In reality, anyonewith an internet-connected device is a potential target. While high-profile attacks on hospitals or infrastructure make the headlines, individuals, small businesses, and non-profits are frequently infected daily.
Attackers utilize varied methods to spread ransomware, many of which are non-discriminatory. These include:
* Phishing: Sending mass emails with malicious attachments or links that, once clicked, execute the ransomware payload.
* Exploiting Vulnerabilities: Automated bots scan the internet for unpatched software or exposed services (like RDP) to gain entry regardless of the target's identity.
* Malvertising: Injecting malicious code into legitimate online advertising networks.
The shift toward "Ransomware-as-a-Service" (RaaS) has lowered the barrier to entry for criminals, allowing even low-skilled attackers to launch wide-reaching campaigns. For an individual, the loss of personal photos or tax documents can be just as traumatic as a data breach is for a company. Because ransomware can strike any operating system or device type, ethical hacking principles emphasize that every user must maintain a proactive defense. This includes regular data backups, keeping software updated to close security holes, and exercising extreme caution with email communication.
質問 # 57
What is a passive recognition?
正解：C
解説：
Passive recognition (or passive reconnaissance) is the foundational phase of any ethical hacking or penetration testing engagement. Its primary objective is to collect as much intelligence as possible about a target while remaining completely undetectable. The hallmark of a passive approach is that itnever involves direct interactionwith the target's infrastructure. By avoiding the transmission of packets directly to the target's servers, the attacker or tester ensures that no logs are generated and no intrusion detection systems (IDS) or firewalls are triggered.
Instead, ethical hackers leverageOpen-Source Intelligence (OSINT)and third-party data sources. Common techniques include:
* WHOIS and DNS Lookups: Querying public registries to find domain ownership, administrative contacts, and subdomains.
* Social Media Analysis: Scraping platforms like LinkedIn or Twitter to identify key employees, their roles, and potential technologies used by the firm.
* Search Engine Probing: Using "Google Dorking" to find exposed documents, metadata, or forgotten directories that might contain software version numbers or usernames.
* Analyzing Public Databases: Checking repositories like GitHub for leaked source code or credentials.
The primary advantage of passive recognition is stealth; it allows a penetration tester to map a target's
"footprint" without alerting security teams to an impending assessment. While the data gathered passively may occasionally be less precise than that obtained through active probing (like port scanning), it provides a low-risk way to identify broad vulnerabilities and potential entry points. It is a critical step in building a comprehensive picture of a target's security landscape before moving into more intrusive phases.
質問 # 58
What is a dictionary used for brute-force attacks?
正解：B
解説：
In ethical hacking and penetration testing, a dictionary used for brute-force or dictionary attacks is afile containing a list of potential passwordsthat an attacker or tester attempts against a target authentication mechanism. Therefore, option C is the correct answer.
Dictionary files are typically plain text documents that include commonly used passwords, leaked credentials, default passwords, variations of words, and patterns frequently chosen by users. Ethical hackers use these dictionaries duringpassword auditing and authentication testingto assess the strength of password policies implemented by an organization.
Option A is incorrect because a traditional language dictionary explains word meanings and is not structured for authentication testing. Option B is also incorrect because passwords are not normally stored in readable plain text documents; secure systems store passwords using hashing and salting mechanisms.
From a security perspective, dictionary attacks exploithuman behavior, particularly the tendency to choose weak or predictable passwords. Ethical hackers simulate these attacks in controlled environments to demonstrate the risks of poor password hygiene. The results help organizations enforce stronger password policies, multi-factor authentication, and account lockout mechanisms.
Understanding dictionary-based brute-force attacks is essential for managing attack vectors, as credential compromise remains one of the most common entry points for attackers. Ethical use of dictionaries allows organizations to proactively identify weaknesses before malicious actors exploit them.
質問 # 59
What is a "backdoor" in terms of computer security?
正解：A
解説：
A "backdoor" is a method, often hidden or undocumented, of bypassing normal authentication or encryption in a computer system, cryptosystem, or algorithm. In the realm of managing information security threats, backdoors represent one of the most dangerous risks because they provide persistent, unauthorized access to a system without the knowledge of the administrators. Once a backdoor is established, the attacker can return to the system at any time, even if the original vulnerability they used to gain entry-such as a weak password or a software bug-has been patched.
Backdoors can be implemented in several ways. Some are "Software Backdoors," where a developer might intentionally (or accidentally) leave a hardcoded username and password in the code for debugging purposes.
Others are "Malicious Backdoors" installed by a Trojan or a rootkit after a system has been compromised. For example, a hacker might install a "Reverse Shell" that periodically "calls home" to the attacker's server, asking for commands. This effectively creates a secret entrance that bypasses the firewall's inbound rules.
Managing this threat requires a multi-layered approach. "Integrity Monitoring" tools are essential; they alert administrators if system files or binaries are modified, which could indicate the presence of a backdoor.
Additionally, "Egress Filtering" helps detect backdoors that attempt to communicate with an external Command and Control (C2) server. From an ethical hacking perspective, identifying backdoors is a key part of "Post-Exploitation." During a penetration test, the goal is not just to get in, but to show how an attacker could maintain their presence. By understanding that a backdoor is specifically designed to circumvent standard security checks, professionals can better implement "Zero Trust" architectures and regular auditing to ensure that the only way into a system is through the front door, with full authentication.
質問 # 60
Which of the following is a network security protocol designed to authenticate and authorize remote users to securely access network resources?
正解：B
解説：
Secure Shell (SSH) is a robust cryptographic network protocol utilized for operating network services securely over an unsecured network. Its primary application is the secure remote login to computer systems by administrators and users. Unlike earlier protocols such as Telnet or rlogin, which transmitted data (including passwords) in plain text, SSH provides a secure, encrypted channel. It achieves this through a suite of cryptographic techniques that ensure theconfidentiality,integrity, andauthenticityof the data being transmitted between the client and the server.
The protocol operates using a client-server architecture, where an SSH client initiates a connection to an SSH server. SSH facilitates both authentication and authorization. Authentication is typically performed using either a password or, more securely, a public-private key pair. Once the user's identity is verified, the protocol authorizes the level of access based on the server's configuration. Beyond simple terminal access, SSH supports secure file transfers (SFTP) and port forwarding, allowing other network protocols to be "tunneled" through its encrypted connection. From a security standpoint, while SSH is highly secure, it can be breached if misconfigured-such as by allowing weak passwords or failing to disable root login. Consequently, ethical hackers prioritize hardening SSH services as a fundamental control in protecting organizational assets.
質問 # 61
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