303-300: LPIC Exam 303: Security, version 3.0 PDF - Testinsides 303-300 actual - 303-300 test dumps

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Lpi 303-300 Exam Syllabus Topics:

Section	Objectives
Topic 1: Network Security	- VPN technologies - Secure network services - Firewalls (iptables, nftables)
Topic 2: Access Control	- Discretionary Access Control (DAC) - SELinux and AppArmor - Mandatory Access Control (MAC)
Topic 3: Cryptography	- Data encryption and signing - Public key infrastructure (PKI) - OpenSSL usage and configuration
Topic 4: Application Security	- Container and service security - Secure software configuration
Topic 5: Vulnerability Assessment and Monitoring	- Intrusion detection systems (IDS) - Log analysis and auditing
Topic 6: Security Administration	- System hardening - Authentication mechanisms

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Lpi LPIC Exam 303: Security, version 3.0 Sample Questions (Q110-Q115):

NEW QUESTION # 110
When OpenVPN sends a control packet to its peer, it expects an acknowledgement in 2 seconds by default. Which of the following options changes the timeout period to 5 seconds?

A. -- tls-timeout 5
B. -- tls- timeout 500
C. -- tls- timer 5
D. -- tls- timer 500

Answer: A

NEW QUESTION # 111
Which command-line tool is commonly used to test and verify TLS/SSL configuration and certificate details of a remote server?

A. openssl s_client
B. ss -tlnp
C. nmap -sV
D. tcpdump

Answer: A

Explanation:
The "openssl s_client" command connects to a remote server using TLS/SSL and displays detailed information about the negotiated protocol version, cipher suite, and the server's certificate chain, making it a common tool for troubleshooting and verifying HTTPS or other TLS- secured services. nmap's version detection can identify running services but does not provide the same depth of TLS handshake detail, tcpdump captures raw packets, and ss displays socket statistics rather than TLS-layer details.

NEW QUESTION # 112
What is the purpose of file ownership in Linux systems?

A. To ensure that files are backed up regularly
B. To restrict access to files only to their owner
C. To protect files from being accidentally deleted
D. To enable multiple users to access files simultaneously

Answer: B

NEW QUESTION # 113
Which of the following statements is true about chroot environments?

A. Symbolic links to data outside the chroot path are followed, making files and directories accessible
B. Programs are not able to set a chroot path by using a function call, they have to use the command chroot
C. When using the command chroot, the started command is running in its own namespace and cannot communicate with other processes
D. The chroot path needs to contain all data required by the programs running in the chroot environment
E. Hard links to files outside the chroot path are not followed, to increase security

Answer: D

NEW QUESTION # 114
What is an asymmetric key?

A. A key used for both encryption and decryption that is generated in a pair
B. A key used for encryption and decryption that is the same
C. A key used for encryption that is different from the key used for decryption
D. A key used for decryption that is different from the key used for encryption

Answer: A

NEW QUESTION # 115
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