100% Pass Quiz High Hit-Rate Lpi - 303-300 - Study LPIC Exam 303: Security, version 3.0 Reference

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Lpi 303-300 Exam Syllabus Topics:

Section	Weight	Objectives
Threats and Vulnerability Assessment	3%	- Threat Analysis 1. Application threats 2. Network threats 3. Credential and confidentiality threats 4. Host-based threats - Vulnerability Assessment 1. OpenVAS 2. Risk identification 3. Security scanning
Access Control	8%	- Authentication and Authorization 1. PAM 2. Centralized authentication 3. Multi-factor authentication - Mandatory Access Control 1. SELinux management 2. AppArmor configuration 3. Policy enforcement - Discretionary Access Control 1. File permissions 2. Extended attributes 3. POSIX ACLs
Host Security	9%	- Host Intrusion Detection 1. Malware detection 2. Linux Audit system 3. Rootkit detection tools 4. AIDE integrity checking - Host Hardening 1. Kernel runtime protection 2. Service hardening 3. Secure boot process - Resource Control 1. Process resource management 2. ulimits 3. cgroups
Network Security	12%	- Packet Filtering 1. iptables and ip6tables 2. NAT and connection tracking 3. IP sets 4. nftables awareness - Network Hardening 1. TCP wrappers and service restrictions 2. Secure network services - Virtual Private Networks 1. WireGuard 2. OpenVPN 3. IPsec and strongSwan - Network Intrusion Detection 1. Kismet 2. tcpdump 3. Snort 4. Wireshark
Cryptography	8%	- OpenPGP 1. Manage GnuPG keys 2. Web of trust concepts 3. Sign and encrypt data - X.509 Certificates and Public Key Infrastructures 1. Create and manage certificates 2. Manage certificate authorities 3. Certificate revocation and validation - Data Encryption 1. Secure data transmission 2. Encrypt files and storage devices 3. Use LUKS and dm-crypt

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Lpi LPIC Exam 303: Security, version 3.0 Sample Questions (Q32-Q37):

NEW QUESTION # 32
Which of the following are differences between AppArmor and SELinux? (Choose TWO correct answers)

A. SELinux stores information in extended file attributes. AppArmor does not maintain file specific information and states.
B. The SELinux configuration is loaded at boot time and cannot be changed later on. AppArmor provides user space tools to change its behavior.
C. AppArmor is less complex and easier to configure than SELinux.
D. AppArmor neither requires nor allows any specific configuration. SELinux must always be manually configured.
E. AppArmor is implemented in user space only. SELinux is a Linux Kernel Module.

Answer: A,C

NEW QUESTION # 33
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. subjectAltName = DNS: www.example.org, DNS:example.org
C. commonName = subjectAltName= www.example.org, subjectAltName = example.org
D. subject= CN= www.example.org, CN=example.org
E. extension= SAN: www.example.org, SAN:example.org

Answer: B

NEW QUESTION # 34
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 req -key private/keypair.pem -out req/csr.pem
B. openssl req - new -key private/keypair.pem -out req/csr.pem
C. openssl gencsr -new- key private/keypair.pem -out req/csr.pem
D. openssl gencsr -key private/keypair.pem -out req/csr.pem

Answer: B

NEW QUESTION # 35
What is a ciphertext?

A. The algorithm used to encrypt the message
B. The original message before encryption
C. The key used to encrypt the message
D. The encrypted message

Answer: D

NEW QUESTION # 36
Which command is used to run a new shell for a user changing the SELinux context?
(Specify ONLY the command without any path or parameters.)
Solution: newrole
Determine whether the given solution is correct?

A. Correct
B. Incorrect

Answer: A

NEW QUESTION # 37
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