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| Section | Objectives |
|---|---|
| Topic 1: Access Control | - Mandatory Access Control (MAC) - Discretionary Access Control (DAC) - SELinux and AppArmor |
| Topic 2: Security Administration | - System hardening - Authentication mechanisms |
| Topic 3: Cryptography | - Data encryption and signing - Public key infrastructure (PKI) - OpenSSL usage and configuration |
| Topic 4: Application Security | - Secure software configuration - Container and service security |
| Topic 5: Network Security | - Secure network services - VPN technologies - Firewalls (iptables, nftables) |
| Topic 6: Vulnerability Assessment and Monitoring | - Log analysis and auditing - Intrusion detection systems (IDS) |
1. トラストアンカーとは何ですか?
A) 特定のCAによって信頼されている秘密鍵のリスト
B) 特定のCAによって信頼されている公開鍵のリスト
C) 特定のCAによって生成された鍵ペア
D) 特定のCAによって信頼されているルート証明書
2. Snort でルールを非アクティブ化するには、次のどの方法を使用できますか?
(正しい答えを2つ選択してください。)
A) /etc/snort/rules.deactivated にパスルールを追加し、Snort がルールファイルを自動的に再ロードするのを待ちます。
B) local.rules にパスルールを配置し、Snort を再起動します。
C) ルールを削除し、Snort がルール ファイルを自動的に再読み込みするのを待ちます。
D) ルールの前に # を付けて Snort を再起動します。
3. Apacheの設定において、ホスト名/ドメイン名とIPアドレスに基づいてアクセスを制限するために使用されるディレクティブはどれですか?
A) 拒否と承認
B) 注文、許可、拒否
C) 制限と許可
D) IPを許可、IPを拒否、ドメインを許可、ドメインを拒否
E) 注文、拒否、承認
4. セキュリティ評価の一環として、サービスやOSのフィンガープリンティングを含む包括的なネットワークポートスキャンを実行するために一般的に使用されるツールはどれですか?
A) tcpdump
B) Wireshark
C) nmap
D) netstat
5. Fail2banの設定ファイルのうち、デフォルトのjail.confファイルでは変更すべきでない、ローカルなサイト固有のオーバーライド設定が含まれているのは、通常どのファイルですか?
A) filter.d/sshd.conf
B) fail2ban.conf
C) action.d/iptables.conf
D) jail.local
Solutions:
| Question # 1 Answer: D | Question # 2 Answer: B,D | Question # 3 Answer: B | Question # 4 Answer: C | Question # 5 Answer: D |
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