Free PDF Quiz 2025 CNSP: Certified Network Security Practitioner–The Best Exam Preparation

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The SecOps Group CNSP Exam Syllabus Topics:

Topic	Details
Topic 1	Testing Web Servers and Frameworks: This section of the exam measures skills of Security Analysts and examines how to assess the security of web technologies. It looks at configuration issues, known vulnerabilities, and the impact of unpatched frameworks on the overall security posture.
Topic 2	This section of the exam measures the skills of Network Engineers and explains how to verify the security and performance of various services running on a network. It focuses on identifying weaknesses in configurations and protocols that could lead to unauthorized access or data leaks.
Topic 3	Database Security Basics: This section of the exam measures the skills of Network Engineers and covers how databases can be targeted for unauthorized access. It explains the importance of strong authentication, encryption, and regular auditing to ensure that sensitive data remains protected.
Topic 4	Cryptography: This section of the exam measures the skills of Security Analysts and focuses on basic encryption and decryption methods used to protect data in transit and at rest. It includes an overview of algorithms, key management, and the role of cryptography in maintaining data confidentiality.
Topic 5	Active Directory Security Basics: This section of the exam measures the skills of Network Engineers and introduces the fundamental concepts of directory services, highlighting potential security risks and the measures needed to protect identity and access management systems in a Windows environment.
Topic 6	TLS Security Basics: This section of the exam measures the skills of Security Analysts and outlines the process of securing network communication through encryption. It highlights how TLS ensures data integrity and confidentiality, emphasizing certificate management and secure configurations.
Topic 7	Common vulnerabilities affecting Windows Services: This section of the exam measures the skills of Network Engineers and focuses on frequently encountered weaknesses in core Windows components. It underscores the need to patch, configure, and monitor services to prevent privilege escalation and unauthorized use.
Topic 8	Linux and Windows Security Basics: This section of the exam measures skills of Security Analysts and compares foundational security practices across these two operating systems. It addresses file permissions, user account controls, and basic hardening techniques to reduce the attack surface.
Topic 9	Basic Malware Analysis: This section of the exam measures the skills of Network Engineers and offers an introduction to identifying malicious software. It covers simple analysis methods for recognizing malware behavior and the importance of containment strategies in preventing widespread infection.
Topic 10	Network Scanning & Fingerprinting: This section of the exam measures the skills of Security Analysts and covers techniques for probing and analyzing network hosts to gather details about open ports, operating systems, and potential vulnerabilities. It emphasizes ethical and legal considerations when performing scans.
Topic 11	Testing Network Services
Topic 12	Open-Source Intelligence Gathering (OSINT): This section of the exam measures the skills of Security Analysts and discusses methods for collecting publicly available information on targets. It stresses the legal and ethical aspects of OSINT and its role in developing a thorough understanding of potential threats.
Topic 13	TCP IP (Protocols and Networking Basics): This section of the exam measures the skills of Security Analysts and covers the fundamental principles of TCP IP, explaining how data moves through different layers of the network. It emphasizes the roles of protocols in enabling communication between devices and sets the foundation for understanding more advanced topics.
Topic 14	Network Architectures, Mapping, and Target Identification: This section of the exam measures the skills of Network Engineers and reviews different network designs, illustrating how to diagram and identify potential targets in a security context. It stresses the importance of accurate network mapping for efficient troubleshooting and defense.

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The SecOps Group Certified Network Security Practitioner Sample Questions (Q22-Q27):

NEW QUESTION # 22
Which of the following techniques can be used to bypass network segmentation during infrastructure penetration testing?

A. All of the above
B. Covert channels
C. DNS tunneling
D. VLAN hopping

Answer: A

Explanation:
Network segmentation isolates network zones for security, but certain techniques can circumvent these controls, a focus of CNSP penetration testing.
Why D is correct:
A: DNS tunneling encodes data in DNS queries, bypassing segmentation via legitimate DNS traffic.
B: VLAN hopping exploits switch misconfigurations (e.g., double tagging) to access other VLANs.
C: Covert channels use hidden communication paths (e.g., timing channels) to evade segmentation.
All are valid techniques per CNSP for testing segmentation controls.
Why other options are incomplete: A, B, or C alone exclude other viable methods, making D the comprehensive answer.

NEW QUESTION # 23
Which of the following is a valid DNS record type?

A. All of the above
B. TXT record
C. NAPTR record
D. SRV record

Answer: A

Explanation:
DNS (Domain Name System) records define how domain names are mapped to various types of data, each serving a specific purpose in network operations. The question asks for valid DNS record types, and all listed options are recognized.
Why D is correct:
A . NAPTR record: The Naming Authority Pointer (NAPTR) record is used for service discovery and mapping domain names to services, protocols, and ports (e.g., in SIP or ENUM systems).
B . SRV record: The Service (SRV) record specifies the hostname and port for specific services (e.g., LDAP, XMPP), aiding in service location.
C . TXT record: The Text (TXT) record stores arbitrary text data, often for SPF, DKIM, or domain verification.
All are valid DNS record types per RFC standards and CNSP documentation, making "All of the above" the correct answer.
Why other options are incomplete: A, B, or C alone exclude other valid types listed, so D is the most comprehensive response.

NEW QUESTION # 24
The Management Information Base (MIB) is a collection of object groups that is managed by which service?

A. SNMP
B. NTP
C. TACACS
D. SMTP

Answer: A

Explanation:
The Management Information Base (MIB) is a structured database defining manageable objects (e.g., CPU usage, interface status) in a network device. It's part of the SNMP (Simple Network Management Protocol) framework, per RFC 1157, used for monitoring and managing network devices (e.g., routers, switches).
SNMP Mechanics:
MIB Structure: Hierarchical, with Object Identifiers (OIDs) like 1.3.6.1.2.1.1.1.0 (sysDescr).
Ports: UDP 161 (agent), 162 (traps).
Operation: Agents expose MIB data; managers (e.g., Nagios) query it via GET/SET commands.
MIB files (e.g., IF-MIB, HOST-RESOURCES-MIB) are vendor-specific or standardized, parsed by SNMP tools (e.g., snmpwalk). CNSP likely covers SNMP for network monitoring and securing it against enumeration (e.g., weak community strings like "public").
Why other options are incorrect:
A . SMTP (Simple Mail Transfer Protocol): Email delivery (TCP 25), unrelated to MIB or device management.
C . NTP (Network Time Protocol): Time synchronization (UDP 123), not MIB-related.
D . TACACS (Terminal Access Controller Access-Control System): Authentication/authorization (TCP 49), not MIB management.
Real-World Context: SNMP misconfiguration led to the 2018 Cisco switch exploits via exposed MIB data.

NEW QUESTION # 25
Which of the aforementioned SSL/TLS protocols are considered to be unsafe?

A. SSLv2, SSLv3, TLSv1.0, TLSv1.1, TLSv1.2, and TLSv1.3
B. TLSv1.0 and TLSv1.1
C. SSLv2 and SSLv3
D. Both A and B

Answer: D

Explanation:
SSL/TLS protocols secure network communication, but older versions have vulnerabilities:
SSLv2 (1995): Weak ciphers, no handshake integrity (e.g., MITM via DROWN attack, CVE-2016-0800). Deprecated by RFC 6176 (2011).
SSLv3 (1996): Vulnerable to POODLE (CVE-2014-3566), weak block ciphers (e.g., RC4). Deprecated by RFC 7568 (2015).
TLSv1.0 (1999, RFC 2246): Inherits SSLv3 flaws (e.g., BEAST, CVE-2011-3389), weak CBC ciphers. Deprecated by PCI DSS (2018) and RFC 8996 (2021).
TLSv1.1 (2006, RFC 4346): Improved over 1.0 but lacks modern cipher suites (e.g., AEAD). Deprecated with 1.0 by RFC 8996.
TLSv1.2 (2008, RFC 5246): Secure with strong ciphers (e.g., AES-GCM), widely used today.
TLSv1.3 (2018, RFC 8446): Latest, removes legacy weaknesses, mandatory forward secrecy.
Why other options are incorrect:
A: Correct but incomplete without B.
B: Correct but incomplete without A.
D: Incorrectly includes TLSv1.2 and 1.3, which are secure and recommended.
Real-World Context: POODLE forced mass SSLv3 disablement in 2014; TLS 1.0/1.1 deprecation hit legacy systems in 2021.

NEW QUESTION # 26
Which of the following files has the SUID permission set?
-rwxr-sr-x 1 root root 4096 Jan 1 00:00 myfile
-rwsr-xr-x 1 root root 4896 Jan 1 08:00 myprogram
-rw-r--r-s 1 root root 4096 Jan 1 00:00 anotherfile

A. myfile
B. All of the above
C. myprogram
D. anotherfile

Answer: C

Explanation:
In Linux/Unix, file permissions are displayed in a 10-character string (e.g., -rwxr-xr-x), where the first character is the file type (- for regular files) and the next nine are permissions for user (owner), group, and others (rwx = read, write, execute). Special bits like SUID (Set User ID) modify execution behavior:
SUID: When set, a program runs with the owner's permissions (e.g., root) rather than the executor's. It's denoted by an s in the user execute position (replacing x if executable, or capitalized S if not).
Analysis:
-rwxr-sr-x (myfile): User: rwx, Group: r-s (SGID), Others: r-x. The s is in the group execute position, indicating SGID, not SUID.
-rwsr-xr-x (myprogram): User: rws (SUID), Group: r-x, Others: r-x. The s in the user execute position confirms SUID; owned by root, it runs as root.
-rw-r--r-s (anotherfile): User: rw-, Group: r--, Others: r-s. The s is in the others execute position, but no x exists, making it irrelevant (and not SUID). Typically, s here would be a sticky bit on directories, not files.
Security Implications: SUID binaries (e.g., /usr/bin/passwd) are common targets for privilege escalation if misconfigured (e.g., writable by non-root users). CNSP likely emphasizes auditing SUID permissions with find / -perm -u=s.
Why other options are incorrect:
A . myfile: Has SGID (s in group), not SUID.
C . anotherfile: The s doesn't indicate SUID; it's a misapplied bit without execute permission.
D . All of the above: Only myprogram has SUID.
Real-World Context: Exploiting SUID binaries is a classic Linux attack vector (e.g., CVE-2016-1247 for Nginx).

NEW QUESTION # 27
......

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Free PDF Quiz 2025 CNSP: Certified Network Security Practitioner–The Best Exam Preparation

The SecOps Group CNSP Exam Syllabus Topics:

Pass Guaranteed 2025 Efficient The SecOps Group CNSP Exam Preparation

The SecOps Group Certified Network Security Practitioner Sample Questions (Q22-Q27):

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