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Lpi 303-300日本語 Exam Syllabus Topics:

SectionWeightObjectives
Access Control8%- Mandatory Access Control
  • 1. SELinux management
  • 2. Policy enforcement
  • 3. AppArmor configuration
- Authentication and Authorization
  • 1. PAM
  • 2. Centralized authentication
  • 3. Multi-factor authentication
- Discretionary Access Control
  • 1. File permissions
  • 2. POSIX ACLs
  • 3. Extended attributes
Cryptography8%- OpenPGP
  • 1. Manage GnuPG keys
  • 2. Sign and encrypt data
  • 3. Web of trust concepts
- Data Encryption
  • 1. Secure data transmission
  • 2. Use LUKS and dm-crypt
  • 3. Encrypt files and storage devices
- X.509 Certificates and Public Key Infrastructures
  • 1. Certificate revocation and validation
  • 2. Manage certificate authorities
  • 3. Create and manage certificates
Host Security9%- Host Intrusion Detection
  • 1. Linux Audit system
  • 2. Malware detection
  • 3. AIDE integrity checking
  • 4. Rootkit detection tools
- Resource Control
  • 1. ulimits
  • 2. Process resource management
  • 3. cgroups
- Host Hardening
  • 1. Service hardening
  • 2. Kernel runtime protection
  • 3. Secure boot process
Network Security12%- Network Intrusion Detection
  • 1. Wireshark
  • 2. Kismet
  • 3. Snort
  • 4. tcpdump
- Network Hardening
  • 1. TCP wrappers and service restrictions
  • 2. Secure network services
- Virtual Private Networks
  • 1. IPsec and strongSwan
  • 2. OpenVPN
  • 3. WireGuard
- Packet Filtering
  • 1. nftables awareness
  • 2. IP sets
  • 3. iptables and ip6tables
  • 4. NAT and connection tracking
Threats and Vulnerability Assessment3%- Vulnerability Assessment
  • 1. Risk identification
  • 2. OpenVAS
  • 3. Security scanning
- Threat Analysis
  • 1. Host-based threats
  • 2. Application threats
  • 3. Network threats
  • 4. Credential and confidentiality threats

Lpi LPIC Exam 303: Security, version 3.0 (303-300日本語版) Sample Questions:

1. 次の記述のうち、ndpmon の目的を説明しているものはどれですか?

A) 問題のあるネットワーク ノードからのトラフィックをブロックするために、失敗したログイン試行のログ ファイルを監視します。
B) ネットワーク インターフェイスを照会して、ネットワーク リンクの可用性を監視します。
C) IPv6 にまだ移行していない IPv4 ノードのネットワークを監視します。
D) 定期的にエコー要求を送信してリモート ホストを監視します。
E) 新しい IPv6 ホストおよびルータからの近隣探索メッセージをネットワーク上で監視します。


2. AppArmor と SELinux の違いは次のどれですか?
(正しい答えを2つ選んでください)

A) SELinux 設定は起動時に読み込まれ、後で変更することはできません。AppArmor は、その動作を変更するためのユーザー空間ツールを提供します。
B) AppArmor では、特定の設定は必要とされず、許可もされません。SELinux は常に手動で設定する必要があります。
C) SELinux は拡張ファイル属性に情報を保存します。AppArmor はファイル固有の情報と状態を維持しません。
D) AppArmor はユーザー空間でのみ実装されます。SELinux は Linux カーネル モジュールです。
E) AppArmor は SELinux よりも複雑ではなく、設定も簡単です。


3. SnortやSuricataなどの侵入検知システム(IDS)がネットワークベースモードで動作する場合、その主な機能は何ですか?

A) ネットワークホストのDNS解決を実行します。
B) ネットワークトラフィックをパッシブに監視し、シグネチャまたは異常ベースの検出ルールに基づいてアラートを生成します。
C) ホスト間のネットワークトラフィックを暗号化します。
D) 悪意のあるトラフィックが宛先に到達する前に積極的にブロックします。


4. 通常、IPsec VPNの接続定義(ローカルおよびリモートのエンドポイント、認証方法など)を定義するstrongSwanの設定ファイルはどれですか?

A) /etc/ipsec.secrets
B) /etc/ipsec.d/certs
C) /etc/strongswan.conf
D) /etc/ipsec.conf


5. 次のコマンドのうち、ネットワーク インターフェイス eth0 を通過するすべての IPv4 パケットの送信元 IP アドレスを 192.0.2.11 に変更するものはどれですか。

A) iptables ~t nat ~A PREROUTING ~i eth0 ~j SNAT --to~source 192.0.2.11
B) iptables ~t nat ~A POSTROUTING ~o eth0 ~j SNAT --to~source 192.0.2.11
C) iptables ~t mangle ~A POSTROUTING ~i eth0 ~j SNAT -to~source 192.0.2.11
D) iptables ~t mangle ~A POSTROUTING ~0 eth0 ~j SNAT -to~source 192.0.2.11
E) iptables ~t nat ~A POSTROUTING ~i eth0 ~j DNAT --to~source 192.0.2.11


Solutions:

Question # 1
Answer: E
Question # 2
Answer: C,E
Question # 3
Answer: B
Question # 4
Answer: D
Question # 5
Answer: B

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