303-300練習試験と学習ガイドは厳密検証された最新な121問題 [Q39-Q63]

303-300練習試験と学習ガイドは厳密検証されたFast2test最新な121問題

2025年最新のな厳密検証された合格させる303-300学習ガイドベズトお試しセット

LPIC試験303は、Linuxセキュリティの概念と実践を強く理解する必要がある包括的な試験です。候補者は、Linuxコマンドラインツールとユーティリティの実用的な知識と、Linuxシステムのセキュリティ機能を構成および管理する機能を持つことが期待されています。この試験は60の複数選択の質問で構成されており、候補者は試験を完了するために90分かかります。 LPIC試験303は、Linuxセキュリティの概念と実践を深く理解する必要がある厳格な試験です。この認定を獲得することは、候補者がエンタープライズ環境でLinuxシステムを保護するための知識とスキルを持っていることを示しています。

LPI 303-300試験は、ITセキュリティでキャリアを求めている個人、またはセキュリティスキルの向上に関心を持っている個人を対象としています。この試験は、システム管理者、ネットワーク管理者、セキュリティアナリスト、セキュリティコンサルタントとして働く専門家に最適です。この認定を取得することにより、候補者は機密データを保護し、セキュリティの脆弱性を検出し、組織のリソースの機密性、完全性、可用性を確保する能力を実証できます。

 

質問 # 39
Which of the following is an example of an HID tool?

• A. Antivirus software
• B. Security information and event management (SIEM) system
• C. Intrusion prevention system (IPS)
• D. Firewall

正解：B

質問 # 40
What is the purpose of a Certificate Authority (CA)?

• A. To store X.509 certificates
• B. To issue and sign X.509 certificates
• C. To decrypt X.509 certificates
• D. To encrypt X.509 certificates

正解：B

質問 # 41
Which tool can be used to check for rootkits on a Linux system?

• A. rpm
• B. AIDE
• C. chkrootkit
• D. OpenSCAP

正解：C

質問 # 42
Which of the following is a best practice for implementing HID?

• A. Configure HID to block all incoming traffic
• B. Disable HID when not actively monitoring for security incidents
• C. Configure HID to alert security personnel of potential security incidents
• D. Install HID on every computer in the network

正解：C

質問 # 43
Which of the following statements are true regarding the certificate of a Root CA?
(Choose THREE correct answers.)

• A. It does not include the private key of the CA.
• B. It must contain an X509v3 Authority extension.
• C. It is a self-signed certificate.
• D. It must contain a host name as the common name.
• E. It has an infinite lifetime and never expires.

正解：A、B、C

質問 # 44
A LUKS device was mapped using the command: cryptsetup luksOpen/dev/sda1 crypt-vol Given that this device has three different keys, which of the following commands deletes only the first key?

• A. cryptsetup luksDelkey /dev/sda 1 1
• B. cryptsetup luksDelKey / dev /mapper/crypt- vol 0
• C. cryptsetup luksDelKey /dev/sda 1 0
• D. cryptsetup luksDelKey / dev /mapper/crypt- vol 1

正解：A

質問 # 45
An X509 certificate contains the following information:
X509v3 Basic Constraints: critical CA:TRUE, pathlen:0
Which of the following statements are true regarding the certificate?
(Choose THREE correct answers.)

• A. This certificate may be used to sign certificates that are not also a certification authority.
• B. This certificate may never be used to sign any other certificates.
• C. This certificate belongs to a certification authority.
• D. This certificate will not be accepted by programs that do not understand the listed extension.
• E. This certificate may be used to sign certificates of subordinate certification authorities.

正解：A、C、E

質問 # 46
What is the purpose of IP sets?

• A. They group together IP addresses and user names that can be referenced from /etc/hosts.allow and
  /etc/hosts.deny
• B. They group together IP addresses that are assigned to the same network interfaces.
• C. They group together IP and MAC addresses used by the neighbors on the local network.
• D. They group together IP addresses that can be referenced by netfilter rules.
• E. They group together IP addresses and networks that can be referenced by the network routing table.

正解：D

質問 # 47
Which command, included in BIND, generates DNSSEC keys?
(Specify ONLY the command without any path or parameters.)
Solution: dnssec-keygen
Determine whether the given solution is correct?

• A. Correct
• B. Incorrect

正解：A

質問 # 48
Which of the following access control models is established by using SELinux?

• A. User Access Control (UAC)
• B. Group Access Control (GAC)
• C. Security Access Control (SAC)
• D. Mandatory Access Control (MAC)
• E. Discretionary Access Control (DAC)

正解：D

質問 # 49
What is the purpose of DNS over TLS and DNS over HTTPS?

• A. To allow DNS servers to communicate securely with each other
• B. To improve DNS performance
• C. To provide secure communication between DNS clients and servers
• D. To reduce DNS query times

正解：C

質問 # 50
Linux Extended File Attributes are organized in namespaces. Which of the following names correspond to existing attribute namespaces?(Choose THREE correct answers.)

• A. user
• B. system
• C. trusted
• D. owner
• E. default

正解：A、B、C

質問 # 51
Which of the following commands adds users using SSSD's local service?

• A. sss-addlocaluser
• B. sss_adduser
• C. sss_useradd
• D. sss_add
• E. sss_local_adduser

正解：C

質問 # 52
What is the purpose of rkhunter?

• A. To manage system log files
• B. To automate host scans
• C. To detect rootkits and other security threats
• D. To manage installed packages

正解：C

質問 # 53
Which directive is used in an OpenVPN server configuration in order to send network configuration information to the client?
(Specify ONLY the option name without any values or parameters.)
Solution: push
Determine whether the given solution is correct?

• A. Correct
• B. Incorrect

正解：A

質問 # 54
Which of the following openssl commands generates a certificate signing request (CSR) using the already existing private key contained in the file private/ keypair.pem?

• A. openssl gencsr -key private/keypair.pem -out req/csr.pem
• B. openssl req -key private/keypair.pem -out req/csr.pem
• C. openssl req - new -key private/keypair.pem -out req/csr.pem
• D. openssl gencsr -new- key private/keypair.pem -out req/csr.pem

正解：C

質問 # 55
Which of the following commands displays all ebtable rules contained in the table filter including their packet and byte counters?

• A. ebtables -L -t filter -Lv
• B. ebtables -L -Lc -t filter
• C. ebtables -t filter -Ln -L
• D. ebtables -t nat -L -v
• E. ebtables -t filter -L --Lc

正解：E

質問 # 56
Which of the following DNS records is used to publish X.509 certificate and certificate authority information in DNS?

• A. NSEC
• B. A
• C. DS
• D. CAA

正解：D

質問 # 57
Which of the following database names can be used within a Name Service Switch (NSS) configuration file?(Choose THREE correct answers).

• A. service
• B. passwd
• C. group
• D. host
• E. shadow

正解：B、C、E

質問 # 58
Which of the following lines in an OpenSSL configuration adds an X 509v3 Subject Alternative Name extension for the host names example.org and www.example.org to a certificate?

• A. subjectAltName: www.example.org, subjectAltName: example.org
• B. extension= SAN: www.example.org, SAN:example.org
• C. commonName = subjectAltName= www.example.org, subjectAltName = example.org
• D. subject= CN= www.example.org, CN=example.org
• E. subjectAltName = DNS: www.example.org, DNS:example.org

正解：E

質問 # 59
Which of the following information, within a DNSSEC- signed zone, is signed by the key signing key?

• A. The DS records pointing to the zone.
• B. The NSEC or NSEC3 records of the zone.
• C. The zone signing key of the zone.
• D. The RRSIG records of the zone.
• E. The non-DNSSEC records like A, AAAA or MX.

正解：C

質問 # 60
What is the purpose of an access control list in Linux?

• A. To mark a file as executable
• B. To specify fine-grained permissions for users and groups
• C. To encrypt a file for secure transmission
• D. To compress a file to save disk space

正解：B

質問 # 61
In which path is the data, which can be altered by the sysctl command, accessible?

• A. /proc/sys/
• B. /sysctl/
• C. /dev/sys/
• D. /sys/

正解：A

質問 # 62
How can host scans be automated on a Linux system?

• A. Using Linux Audit system
• B. Using OpenSCAP
• C. Using cron
• D. Using chkrootkit

正解：C

質問 # 63
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