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| Certification Vendor: | EC-Council |
|---|---|
| Exam Name: | EC-Council Certified Network Defender (CND) |
| Exam Number: | 312-38 |
| Certificate Validity Period: | 3 years (ECE required) |
| Exam Duration: | 240 minutes |
| Real Exam Qty: | 100 |
| Exam Price: | $450-$550 USD |
| Available Languages: | English, Japanese, Spanish, Portuguese, Arabic |
| Related Certifications: | Certified Network Defender (CND) |
| Exam Format: | Multiple Choice |
| Passing Score: | 70% |
| Sample Questions: | ![]() |
| Exam Way: | Remote proctoring (EC-Council RPS) or Pearson VUE test centers |
| Pre Condition: | Two to three years of hands-on experience in network security; Familiarity with security technologies such as firewalls, IDS/IPS, and VPNs; Understanding of network protocols and architectures |
| Official Syllabus URL: | https://www.eccouncil.org/train-certify/certified-network-security-course |
| Section | Weight | Objectives |
|---|---|---|
| Application and Data Protection | 10% | - Secure application practices - Encryption basics - Data security controls |
| Enterprise Virtual, Cloud, and Wireless Network Protection | 15% | - Cloud security (IaaS/PaaS/SaaS) - Wireless hardening - Virtualization/container security |
| Incident Prediction | 15% | - Attack surface analysis - Indicators (IoC/IoA) - Threat intel (CTI) - Risk management |
| Network Perimeter Protection | 10% | - Segmentation - Firewalls/IDS/IPS concepts - Secure gateways |
| Incident Response and Forensic Investigation | 10% | - Containment/eradication - Forensic touchpoints - First responder steps - Documentation |
| Endpoint Protection | 20% | - Windows/Linux hardening - Mobile/IoT security baselines and controls |
| Network Defense Management | 10% | - Cyberattacks and defense strategies - Foundation of defense-in-depth |
| Incident Detection | 10% | - Traffic and log monitoring/analysis - Baselining - Triage - Alerting |
EC-COUNCIL EC-Council Certified Network Defender CND (312-38日本語版) is an official EC-Council exam, catalogued under the code 312-38日本語. A pass awards you the Certified Ethical Hacker certification at the Intermediate level. It also supports progress toward Certified Network Defender (CND). Demand for this credential has stayed strong because it validates skills employers can use from day one.
The EC-COUNCIL EC-Council Certified Network Defender CND (312-38日本語版) exam packs 100 questions into 240 minutes. Candidates rarely fail because of one impossible topic; they fail because ten minutes vanished on three stubborn questions. Build a triage habit now: answer, flag, move on, return later. Timed full-length sessions in the ValidDumps test engine are the most honest way to practice that discipline before it counts.
You pass EC-COUNCIL EC-Council Certified Network Defender CND (312-38日本語版) at 70%, and the official registration fee stands at $450-$550 USD. One detail worth internalizing: there is no retake discount, so a second sitting costs another full $450-$550 USD. Use the ValidDumps practice tests as your gauge and book only when your results clear the requirement with a repeatable margin, not a one-off peak.
Two to three years of hands-on experience in network security; Familiarity with security technologies such as firewalls, IDS/IPS, and VPNs; Understanding of network protocols and architectures
Vendor policies shift over time, so confirm the current entry conditions before paying any registration fee; the official exam page is the authoritative source.
Yes. A free demo of the EC-COUNCIL EC-Council Certified Network Defender CND (312-38日本語版) material is available on this page, so you can verify the quality of the questions and the expert-edited answers yourself. Once you purchase, updates are free for 365 days and the newest version is emailed to you automatically as it releases; after expiry, extending the update service costs 50% of the regular price.
A 100% money-back guarantee covers your purchase under defined conditions. If you take the EC-COUNCIL EC-Council Certified Network Defender CND (312-38日本語版) exam within 60 days of buying and fail, you can claim a full refund, provided the exam matches your product. Attempts within 3 days of purchase are ineligible, as are downloaded-but-unused products, free materials, and expired orders, and the candidate name must match the payer name. Submit a scanned enrollment slip and the official Score Report PDF within 2 days of the exam; claims are processed within 7 days. Alternatively, you may exchange rather than refund: two other exam products of equal value, free, with the update service on your original purchase kept intact.
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EC-COUNCIL EC-Council Certified Network Defender CND (312-38日本語版) spans 8 official domains. The most heavily weighted include Network Perimeter Protection (10%), Endpoint Protection (20%), and Incident Prediction (15%). The full topic list is published above on this page; let the weightings decide where your next study hour goes.
Question 1
ヘッダー情報を調べてパケットが変更されたと結論付けるために実装されている攻撃シグネチャ分析手法は次のうちどれですか?
A. コンテンツベースの署名分析
B. アトミック シグネチャ ベースの分析
C. 複合シグネチャベースの分析
D. コンテキストベースの署名分析
Question 2
公共の安全を向上および強化するために、煙探知器や火災警報システムと組み合わせて使用されるのは次のうちどれですか?
A. ガス排出システム
B. 消火システム
C. ガス消火
D. 消火スプリンクラー
Question 3
ネットワーク防御担当者として、Linuxベースのファイルサーバー上で異常なデータ漏洩パターンを調査しています。初期アラートによると、不正なユーザーがFTP経由で機密ファイルを転送している可能性があります。徹底的なフォレンジック監査を実施するには、アクセスされたファイル名や転送を開始したユーザーのIDなど、すべてのFTPファイル転送の詳細な記録を確認する必要があります。このFTP転送監査において、最も関連性が高く包括的な情報を提供するLinuxログファイルまたはディレクトリはどれでしょうか?
A. /var/log/xferlog
B. /var/log/faillog
C. /var/log/httpd/access_log
D. /var/log/secure
Question 4
重要インフラ監視センターの上級ネットワーク防御担当者は、コアサーバーのパフォーマンス低下を観測した。長期間にわたるログ分析の結果、彼は複数のエンドポイントから単一のシステムを標的としたICMPパケットの繰り返しトラフィックを特定した。個々のパケットは悪意のあるものではないように見えるが、それらが組み合わさることで、システム障害の可能性を示すパターンが形成される。彼はこれを、システムリソースを消費することを目的とした既知のフラッディング攻撃と関連付けた。彼が対処しているのは、どのようなタイプの攻撃シグネチャだろうか?
A. コンテキストベースの署名
B. 原子署名
C. ペイロード異常シグネチャ
D. 複合署名
Question 5
次のプロトコルのうち、TCP 上の制御チャネルと GRE トンネルを使用して PPP パケットをカプセル化するものはどれですか。
A. PPTP
B. LWAPP
C. ESP
D. SSTP
Solutions:
| Question 1 Answer: C | Question 2 Answer: B | Question 3 Answer: A | Question 4 Answer: D | Question 5 Answer: A |
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