ちなみに、CertJuken 312-50v13の一部をクラウドストレージからダウンロードできます：https://drive.google.com/open?id=1YQyILLrnYrzT-05TkO3A8KJ96Fcb7omc
312-50v13「Certified Ethical Hacker Exam (CEH v13 AI)」試験は簡単ではありません。専門的な知識が必要で、もしあなたはまだこの方面の知識を欠かれば、CertJukenは君に向ける知識を提供いたします。CertJukenの専門家チームは彼らの知識や経験を利用してあなたの知識を広めることを助けています。そしてあなたに312-50v13試験に関するテスト問題と解答が分析して差し上げるうちにあなたのIT専門知識を固めています。
| Section | Weight | Objectives |
|---|---|---|
| Footprinting and Reconnaissance | 7% | - Reconnaissance Concepts - DNS, WHOIS, Network Mapping - OSINT Techniques - Reconnaissance Countermeasures |
| Sniffing | 5% | - MITM Attacks - Sniffing Countermeasures - Packet Sniffing Concepts - Sniffing Tools & Techniques |
| Enumeration | 7% | - Enumeration Countermeasures - DNS, SMTP, NFS Enumeration - Enumeration Concepts - NetBIOS, SNMP, LDAP Enumeration - AI-Driven Enumeration |
| Mobile Platforms | 4% | - Android & iOS Vulnerabilities - Mobile Attack Vectors - Mobile Device Security |
| Cloud Computing | 5% | - Cloud Security Best Practices - Cloud Security Risks - Cloud Models & Services - AWS, Azure, GCP Attacks |
| Session Hijacking | 4% | - Hijacking Techniques - Countermeasures - Application & Network Level Hijacking - Session Hijacking Concepts |
| Denial-of-Service | 4% | - DoS & DDoS Concepts - Defense Mechanisms - Attack Techniques & Botnets - DDoS Tools |
| Introduction to Ethical Hacking | 5% | - Information Security Concepts - Ethical Hacking Methodology - Cyber Kill Chain & MITRE ATT&CK - Legal and Ethical Compliance |
| Scanning Networks | 8% | - Host & Port Discovery - Scanning Countermeasures - AI-Assisted Scanning - Network Scanning Basics - Scanning Beyond IDS/Firewall - Service & OS Fingerprinting |
| Malware Threats | 7% | - Malware Analysis & Countermeasures - Malware Types: Trojans, Viruses, Worms - APT & Fileless Malware - AI-Powered Malware |
| Wireless Networks | 5% | - Security Best Practices - Wireless Encryption: WEP, WPA2, WPA3 - Wireless Threats & Attacks - Wireless Hacking Tools |
| IoT & OT Security | 4% | - Security Controls - Attacks on IoT & OT Systems - IoT/OT Architecture & Risks |
| Web Server & Application Attacks | 8% | - SQL Injection & Command Injection - Web Security Countermeasures - Web Application Attacks: XSS, CSRF - Web Server Vulnerabilities - API Security Risks |
| Vulnerability Analysis | 8% | - Vulnerability Research & Databases - Vulnerability Assessment Lifecycle - Vulnerability Classification & Scoring - Scanning & Analysis Tools |
| System Hacking | 8% | - Maintaining Access - Clearing Tracks & Logs - Privilege Escalation - Gaining Access: Password Attacks |
| Evading IDS, Firewalls, and Honeypots | 5% | - Honeypot Concepts & Detection - IDS, IPS, Firewall Technologies - Evasion Techniques |
| Cryptography | 5% | - Cryptanalysis & Attacks - Public Key Infrastructure - Encryption Concepts & Algorithms - Cryptography in Practice |
| Social Engineering | 6% | - Social Engineering Concepts - Countermeasures & Awareness - Identity Theft - Phishing, Pretexting, Baiting |
当社ECCouncilの312-50v13テストトレントを通じて、さらなる開発のための高効率の学習態度を構築するのに役立つこのような効率的な学習計画を設計する予定です。 312-50v13学習教材は、あなたが学生やオフィスワーカー、グリーンハンド、または長年の経験を持つスタッフに関係なく、すべての候補者に対応します。CertJukenの312-50v13認定トレーニングは絶対に良い選択です。 したがって、正確で有効な312-50v13試験問題で成功することが保証されるため、Certified Ethical Hacker Exam (CEH v13 AI)試験に合格できるかどうかを心配する必要はありません。
質問 # 100
What is a NULL scan?
正解：C
質問 # 101
John wants to send Marie an email that includes sensitive information, and he does not trust the network that he is connected to. Marie gives him the idea of using PGP. What should John do to communicate correctly using this type of encryption?
正解：D
質問 # 102
During a penetration test at Cascade Biotech in Portland, Oregon, ethical hacker Olivia Harper installs a monitoring agent on a single test workstation inside the research subnet. The system records local events such as file access, configuration changes, and unauthorized process execution. Olivia explains to the security team that attackers often attempt to disable or evade this type of monitoring to avoid being detected at the host level.
Which security system is Olivia most likely demonstrating?
正解：B
解説：
The scenario describes a host-level monitoring agent installed on a single workstation that records local system events such as file access, configuration changes, and unauthorized process execution. These are classic indicators of Host-Based Intrusion Detection System (HIDS) functionality. A HIDS runs on an endpoint (server or workstation) and monitors activity on that host, including operating system logs, file integrity, registry/config changes, system calls, application logs, and process behavior. Because it has direct visibility into what is happening locally, it can detect suspicious activity that may not be obvious from network traffic alone.
The clue that "attackers often attempt to disable or evade this type of monitoring to avoid being detected at the host level" also aligns strongly with HIDS. Adversaries commonly try to stop endpoint agents, tamper with logs, or evade detection by living-off-the-land techniques precisely because host-based sensors can catch actions like privilege escalation attempts, persistence mechanisms, malicious process launches, or unauthorized modifications to critical files and configurations.
Why the other options are not the best match:
A Network-Based Firewall (A) is a perimeter or network control that filters traffic based on rules (IPs, ports, protocols). It does not typically record detailed local file/process/configuration events on a single workstation.
A Host-Based Firewall (B) resides on the endpoint but primarily controls inbound/outbound network connections at that host. While it can log connection attempts, it is not chiefly designed to track file access, configuration integrity, or process execution.
A Network-Based IDS (C) analyzes traffic on the network segment (via taps/SPAN) to identify suspicious patterns. It does not require installing an agent on a single workstation and lacks direct visibility into local file and process events.
Therefore, the security system Olivia is demonstrating is D. Host-Based Intrusion Detection System.
質問 # 103
When referring to the domain name service, what is a zone?
正解：D
解説：
The correct answer is D because, in DNS, a zone is the administrative portion of the DNS namespace that contains DNS resource records for that portion of the domain tree. These records define how names are resolved and how services are located. Examples include A records for host-to-IP mapping, MX records for mail servers, NS records for name servers, CNAME records for aliases, PTR records for reverse lookups, and SOA records that identify the authoritative DNS server for the zone. In CEH reconnaissance and footprinting topics, DNS information is important because a DNS zone can reveal valuable network details such as hostnames, mail servers, name servers, and other infrastructure information. Option A is too broad because a zone is not merely a collection of domains. Option B is vague and does not define the zone itself. Option C is too narrow because alias records are only CNAME records, one type of DNS resource record. Therefore, a DNS zone is best defined as a collection of resource records.
質問 # 104
Which of the following Linux commands will resolve a domain name into IP address?
正解：B
質問 # 105
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