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| Certification Vendor: | Linux Professional Institute (LPI) |
|---|---|
| Exam Name: | LPIC-2 Exam 202, Part 2 of 2, Version 4.5 |
| Exam Number: | 202-450 |
| Related Certifications: | LPIC-3 LPIC-1 |
| Passing Score: | 500 (scaled 200–800) |
| Exam Format: | Fill-in-the-blank, Multiple-choice |
| Exam Price: | ~$180–$200 USD (varies by region) |
| Real Exam Qty: | 60 |
| Certificate Validity Period: | 5 years |
| Available Languages: | Portuguese (Brazilian), German, English, Japanese |
| Exam Duration: | 90 minutes |
| Recommended Training: | LPIC-2 Exam 202 Objectives LPI Official Study Materials |
| Exam Registration: | Pearson VUE Scheduling LPI Official Registration |
| Sample Questions: | Lpi 202-450 Sample Questions |
| Exam Way: | In-person at Pearson VUE test centers or online proctored via Pearson OnVUE |
| Pre Condition: | Active LPIC-1 certification required to earn LPIC-2; exams may be taken in any order |
| Official Syllabus URL: | https://www.lpi.org/our-certifications/exam-202-objectives/ |
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The LPIC-2 certification is recognized worldwide as a validation of the skills and knowledge required to manage Linux-based systems in a professional environment. It is ideal for IT professionals who wish to advance their careers in Linux system administration, and it is also a requirement for some job positions.
NEW QUESTION # 101
Select the alternative that shows the correct way to disable a user login for all users except root.
Answer: B
Explanation:
Explanation
The pam_nologin module is used to prevent users from logging into the system when the /etc/nologin file exists. The file can contain a message that is displayed to the user before the login is denied. The only exception is the root user, who can always log in regardless of the existence of the /etc/nologin file. This method is useful for system maintenance or emergency situations when normal users should not access the system. References: LPIC-2 exam 201 topics, pam_nologin man page
NEW QUESTION # 102
FILL BLANK
What option in the sshdconfiguration file instructs sshdto permit only specific user names to log in to a system? (Specify ONLY the option name without any values.)
Answer:
Explanation:
sshd_config
Explanation/Reference:
Reference: https://www.ssh.com/ssh/sshd_config/
NEW QUESTION # 103
What is the name of the root element of the LDAP tree holding the configuration of an OpenLDAP server that is using directory based configuration?
(Specify ONLY the element's name without any additional information.)
Answer:
Explanation:
slapd
NEW QUESTION # 104
The content of which local file has to be transmitted to a remote SSH server in order to be able to log into the remote server using SSH keys?
Answer: D
Explanation:
Explanation
To log into a remote SSH server using SSH keys, the client needs to generate a public and private key pair using the ssh-keygen utility. The private key (~/.ssh/id_rsa) should be kept secret and protected by a passphrase, while the public key (~/.ssh/id_rsa.pub) should be copied to the remote server's authorized_keys file (~/.ssh/authorized_keys) using the ssh-copy-id utility or manually. The authorized_keys file contains the public keys of the clients that are allowed to log into the server using SSH keys. The client can then use the ssh command with the -i option to specify the private key file to authenticate to the server without entering a password. References:
LPIC-2 Exam 202 Objectives, Topic 212: System Security, 212.3 Secure shell (SSH) (weight: 4) How To Configure SSH Key-Based Authentication on a Linux Server How To Configure SSH Key-Based Authentication on a Linux Server
NEW QUESTION # 105
Which of the following lines in the sshd configuration file should, if present, be changed in order to increase the security of the server? (Choose two.)
Answer: B,D
Explanation:
Explanation
The sshd configuration file is used to customize the behavior of the SSH server daemon. Some of the lines in the file can affect the security of the server and should be modified accordingly. The following are two examples of such lines:
Protocol 2, 1: This line specifies the SSH protocol versions that are supported by the server. The possible values are 1 and 2, where 1 is the older and less secure version and 2 is the newer and more secure version. The recommended value is 2, as it provides stronger encryption, authentication, and integrity mechanisms. Allowing protocol 1 can expose the server to various attacks, such as man-in-the-middle, replay, and insertion attacks. Therefore, this line should be changed to Protocol 2 or commented out (as protocol 2 is the default value).
PermitRootLogin yes: This line determines whether root login is allowed on the server. The possible values are yes, no, prohibit-password, and without-password. The value yes allows root login with any authentication method, including password. This can pose a serious security risk, as root is the most privileged user on the system and can perform any action. If an attacker manages to guess or obtain the root password, they can gain full control over the server. Therefore, this line should be changed to no or prohibit-password (which allows root login only with public key authentication) or commented out (as no is the default value).
References: LPIC-2 202 exam objectives, LPIC-2 202-450 Exam Prep: Network Configuration, The Best Ways to Secure Your SSH Server, Configure the /etc/ssh/sshd_config file Linux SSH Server (sshd) Configuration and Security Options With ...1
The Best Ways to Secure Your SSH Server - How-To Geek
NEW QUESTION # 106
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