順便提一下，可以從雲存儲中下載KaoGuTi 312-50v13考試題庫的完整版：https://drive.google.com/open?id=1GubIicmcJ1MWqdj0jLl6cSMyCa8reNtq
KaoGuTi ECCouncil的312-50v13考試培訓資料是每個參加IT認證的考生們的必需品，有了這個培訓資料，他們就可以做足了充分的考前準備，也就有了足足的把握來贏得考試。KaoGuTi ECCouncil的312-50v13考試培訓資料針對性很強，不是每個互聯網上的培訓資料都是這樣高品質高品質的，僅此一家，只有KaoGuTi能夠這麼完美的展現。
| Section | Objectives |
|---|---|
| Web and Application Security | - Web application hacking techniques |
| Cloud and IoT Security | - IoT security fundamentals - Cloud computing security concepts |
| Reconnaissance Techniques | - Scanning networks and enumeration - Footprinting and information gathering |
| Cryptography | - Encryption, hashing, and cryptanalysis |
| Network Attacks | - Denial of Service (DoS/DDoS) - Sniffing and session hijacking |
| System Hacking | - Malware threats and system exploitation - Gaining access and privilege escalation |
| Wireless and Mobile Security | - Mobile platform vulnerabilities - Wireless network attacks |
| Introduction to Ethical Hacking | - Ethical hacking concepts and methodology |
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問題 #237
During a social engineering simul-ation at BrightPath Consulting in Denver, ethical hacker Liam emails employees a message that appears to come from the company's security team. The email urgently warns that
"all systems will shut down within 24 hours" unless staff download a patch from a provided link. The message is deliberately false and contains no actual malware, but it causes confusion and prompts several employees to call IT for clarification.
Which social engineering technique is Liam demonstrating?
答案：B
解題說明：
The best answer is A. Hoax because the scenario is built around a false alarm message designed to provoke fear, urgency, and reactive behavior rather than to deliver a real payload. In CEH-aligned social engineering concepts, a hoax typically involves distributing a fabricated warning (for example, claims of imminent system failure, viruses spreading internally, accounts being deleted, or catastrophic outages) to manipulate users into taking unnecessary actions or spreading the message further. The key trait is that the content is intentionally untrue and aims to exploit human psychology-especially urgency and fear-to disrupt normal operations or trigger unsafe decisions.Here, Liam impersonates the security team and claims "all systems will shut down within 24 hours" unless employees act. Even though the email contains no malware, it still achieves a common hoax outcome: confusion, loss of productivity, and increased helpdesk load as employees contact IT.
In real-world attacks, hoaxes can be used as a precursor to more damaging steps (e.g., pushing victims toward unsafe links, persuading them to install fake "patches," or creating noise that distracts defenders), but the defining characteristic remains the false security warning and the behavioral manipulation it causes.Why the other options are less correct: Baiting relies on enticing victims with something appealing (free software, prizes, "exclusive" content) to get them to click or plug in media; this scenario is fear/urgency, not temptation.
Pretexting is the creation of a believable fabricated identity/story to obtain information or actions; while impersonation is present, the question's hallmark is the deliberately false alarm consistent with a hoax. Spam refers to unsolicited bulk messaging and is not defined by deception about imminent shutdowns or security crises.Therefore, Liam is demonstrating a hoax social engineering technique.
問題 #238
Which of the following provides a security professional with most information about the system's security posture?
答案：C
問題 #239
Abel, a security professional, conducts penetration testing in his client organization to check for any security loopholes. He launched an attack on the DHCP servers by broadcasting forged DHCP requests and leased all the DHCP addresses available in the DHCP scope until the server could not issue any more IP addresses. This led to a Dos attack, and as a result, legitimate employees were unable to access the clients network. Which of the following attacks did Abel perform in the above scenario?
答案：B
解題說明：
A DHCP starvation assault is a pernicious computerized assault that objectives DHCP workers. During a DHCP assault, an unfriendly entertainer floods a DHCP worker with false DISCOVER bundles until the DHCP worker debilitates its stock of IP addresses. When that occurs, the aggressor can deny genuine organization clients administration, or even stock an other DHCP association that prompts a Man-in-the- Middle (MITM) assault.
In a DHCP Starvation assault, a threatening entertainer sends a huge load of false DISCOVER parcels until the DHCP worker thinks they've used their accessible pool. Customers searching for IP tends to find that there are no IP addresses for them, and they're refused assistance. Furthermore, they may search for an alternate DHCP worker, one which the unfriendly entertainer may give. What's more, utilizing a threatening or sham IP address, that unfriendly entertainer would now be able to peruse all the traffic that customer sends and gets.
In an unfriendly climate, where we have a malevolent machine running some sort of an instrument like Yersinia, there could be a machine that sends DHCP DISCOVER bundles. This malevolent customer doesn't send a modest bunch - it sends a great many vindictive DISCOVER bundles utilizing sham, made-up MAC addresses as the source MAC address for each solicitation.
In the event that the DHCP worker reacts to every one of these false DHCP DISCOVER parcels, the whole IP address pool could be exhausted, and that DHCP worker could trust it has no more IP delivers to bring to the table to legitimate DHCP demands.
When a DHCP worker has no more IP delivers to bring to the table, ordinarily the following thing to happen would be for the aggressor to get their own DHCP worker. This maverick DHCP worker at that point starts giving out IP addresses.
The advantage of that to the assailant is that if a false DHCP worker is distributing IP addresses, including default DNS and door data, customers who utilize those IP delivers and begin to utilize that default passage would now be able to be directed through the aggressor's machine. That is all that an unfriendly entertainer requires to play out a man-in-the-center (MITM) assault.
問題 #240
During a quarterly security audit at a financial services company in Charlotte, North Carolina, you are tasked with reviewing exposed services on legacy servers inherited from a third-party vendor. While scanning, you discover that TCP port 1434 is open on a database node that is not listed in the company's active inventory.
The IT team has no records explaining why this service is running, and you are asked to determine whether the exposure of this port could indicate an unnecessary database-related risk. Based on standardized port assignments, which service is most likely running on this port and requires further review?
答案：D
解題說明：
The correct answer is A. ms-sql-m because TCP/1434 is commonly associated with Microsoft SQL Server Monitor / SQL Server Browser-related services, which are used to help clients discover SQL Server instances and their connection details. In standardized service naming, ms-sql-m corresponds to Microsoft SQL
"monitor" functionality tied to instance discovery and related metadata exposure. When this port is reachable from networks where it is not needed, it can increase attack surface by exposing information that helps attackers identify database instances, target the correct ports, and focus exploitation attempts.
In the context of a legacy server that is "not listed in the company's active inventory," an open 1434 is a red flag because it suggests an unnecessary or unmanaged database discovery component may be running.
Attackers often use exposed database-related ports for reconnaissance (identifying instance names, versions, and listening endpoints) and then pivot to authentication attacks or exploitation of known weaknesses. Even when the core SQL service port is controlled, discovery services can still leak useful environment details that lower the cost of an attack.
Why the other options are incorrect:
ms-sql-s typically refers to the primary Microsoft SQL Server service, most commonly associated with TCP
/1433 (the default SQL Server port), not 1434.
sql*net is associated with Oracle SQL*Net/Net8 traffic, typically using Oracle listener ports such as 1521, not
1434.
sqlsrv is not the standardized assignment for 1434 in the way ms-sql-m/ms-sql-s are used for Microsoft SQL- related services.
Therefore, based on standardized port associations and the database discovery/monitoring role of this service, the exposure most likely indicates ms-sql-m on TCP/1434, and it warrants further review and potential restriction if not required.
問題 #241
Which protocol is used for setting up secure channels between two devices, typically in VPNs?
答案：D
解題說明：
In CEH v13 Module 14: Cryptography, IPSec (Internet Protocol Security) is defined as a framework used to establish secure communication channels over IP networks, particularly in VPNs.
IPSec supports encryption, authentication, and integrity.
Operates in Tunnel Mode (VPNs) or Transport Mode (End-to-End).
Core protocols: AH (Authentication Header) and ESP (Encapsulating Security Payload).
Option Analysis:
A: PEM: Privacy Enhanced Mail (email encryption).
B: PPP: Point-to-Point Protocol (data link layer, not encryption).
C: IPSEC: VPN encryption protocol.
D: SET: Secure Electronic Transaction (used in payment systems, obsolete).
Reference:
Module 14 - IPSec Overview in VPN Security
CEH eBook: Protocols Used in VPNs - IPSec, L2TP, PPTP
問題 #242
......
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最新312-50v13考證: https://www.kaoguti.com/312-50v13_exam-pdf.html
P.S. KaoGuTi在Google Drive上分享了免費的2026 ECCouncil 312-50v13考試題庫：https://drive.google.com/open?id=1GubIicmcJ1MWqdj0jLl6cSMyCa8reNtq