CNSP Übungsmaterialien & CNSP realer Test & CNSP Testvorbereitung

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Nun ist die The SecOps Group CNSP Zertifizierungsprüfung eine beliebte Prüfung in der IT-Branche. Viele IT-Fachleute wollen das The SecOps Group CNSP Zertfikat erhalten. So ist die The SecOps Group CNSP Zertifizierungsprüfung eine beliebte Prüfung. Das The SecOps Group CNSP Zertfikat ist sehr hilfreich, um Ihre Arbeit in der IT-Industrie zu verbessern und Ihr Gehalt zu erhöhen und Ihrem Leben eine zuverlässige Garantie zu geben.

The SecOps Group CNSP Prüfungsplan:

Thema	Einzelheiten
Thema 1	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.
Thema 2	Network Security Tools and Frameworks (such as Nmap, Wireshark, etc)
Thema 3	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.
Thema 4	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.
Thema 5	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.
Thema 6	Social Engineering attacks: This section of the exam measures the skills of Security Analysts and addresses the human element of security breaches. It describes common tactics used to manipulate users, emphasizes awareness training, and highlights how social engineering can bypass technical safeguards.
Thema 7	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.
Thema 8	Network Discovery Protocols: This section of the exam measures the skills of Security Analysts and examines how protocols like ARP, ICMP, and SNMP enable the detection and mapping of network devices. It underlines their importance in security assessments and network monitoring.
Thema 9	Testing Network Services
Thema 10	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.
Thema 11	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.
Thema 12	This section of the exam measures skills of Network Engineers and explores the utility of widely used software for scanning, monitoring, and troubleshooting networks. It clarifies how these tools help in detecting intrusions and verifying security configurations.
Thema 13	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.
Thema 14	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.
Thema 15	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.
Thema 16	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.
Thema 17	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.

>> CNSP Fragen Beantworten <<

CNSP Vorbereitung, CNSP Deutsche Prüfungsfragen

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The SecOps Group Certified Network Security Practitioner CNSP Prüfungsfragen mit Lösungen (Q35-Q40):

35. Frage
What is the response from a closed TCP port which is behind a firewall?

A. No response
B. A SYN and an ACK packet
C. RST and an ACK packet
D. A FIN and an ACK packet

Antwort: A

Begründung:
TCP (Transmission Control Protocol) uses a three-way handshake (SYN, SYN-ACK, ACK) to establish connections, as per RFC 793. When a client sends a SYN packet to a port:
Open Port: The server responds with SYN-ACK.
Closed Port (no firewall): The server sends an RST (Reset) packet, often with ACK, to terminate the attempt immediately.
However, when a firewall is present, its configuration dictates the response. Modern firewalls typically operate in stealth mode, using a "drop" rule for closed ports rather than a "reject" rule:
Drop: Silently discards the packet without replying, resulting in no response. The client experiences a timeout (e.g., 30 seconds), as no feedback is provided.
Reject: Sends an RST or ICMP "Port Unreachable," but this is less common for security reasons, as it confirms the firewall's presence.
For a closed TCP port behind a firewall, "no response" (drop) is the standard behavior in secure configurations, minimizing information leakage to attackers. This aligns with CNSP's focus on firewall best practices to obscure network topology during port scanning (e.g., with Nmap).
Why other options are incorrect:
A . A FIN and an ACK packet: FIN-ACK is used to close an established TCP connection gracefully (e.g., after data transfer), not to respond to an initial SYN on a closed port.
B . RST and an ACK packet: RST-ACK is the host's response to a closed port without a firewall. A firewall's drop rule overrides this by silently discarding the packet.
C . A SYN and an ACK packet: SYN-ACK indicates an open port accepting a connection, the opposite of a closed port scenario.
Real-World Context: Tools like Nmap interpret "no response" as "filtered" (firewall likely present) vs. "closed" (RST received), aiding in firewall detection.

36. Frage
Which of the following protocols is not vulnerable to address spoofing attacks if implemented correctly?

A. ARP
B. IP
C. UDP
D. TCP

Antwort: D

Begründung:
Address spoofing fakes a source address (e.g., IP, MAC) to impersonate or amplify attacks. Analyzing protocol resilience:
C . TCP (Transmission Control Protocol):
Mechanism: Three-way handshake (SYN, SYN-ACK, ACK) verifies both endpoints.
Client SYN (Seq=X), Server SYN-ACK (Seq=Y, Ack=X+1), Client ACK (Ack=Y+1).
Spoofing Resistance: Spoofer must predict the server's sequence number (randomized in modern stacks) and receive SYN-ACK, impractical without session hijacking or MITM.
Correct Implementation: RFC 793-compliant, with anti-spoofing (e.g., Linux tcp_syncookies).
A . UDP:
Connectionless (RFC 768), no handshake. Spoofed packets (e.g., source IP 1.2.3.4) are accepted if port is open, enabling reflection attacks (e.g., DNS amplification).
B . ARP (Address Resolution Protocol):
No authentication (RFC 826). Spoofed ARP replies (e.g., fake MAC for gateway IP) poison caches, enabling MITM (e.g., arpspoof).
D . IP:
No inherent validation at Layer 3 (RFC 791). Spoofed source IPs pass unless filtered (e.g., ingress filtering, RFC 2827).
Security Implications: TCP's handshake makes spoofing harder, though not impossible (e.g., blind spoofing with sequence prediction, mitigated since BSD 4.4). CNSP likely contrasts this with UDP/IP's vulnerabilities in DDoS contexts.
Why other options are incorrect:
A, B, D: Lack handshake or authentication, inherently spoofable.
Real-World Context: TCP spoofing was viable pre-1990s (e.g., Mitnick attack); modern randomization thwarts it.

37. Frage
What RID is given to an Administrator account on a Microsoft Windows machine?

A. 0
B. 1
C. 2
D. 3

Antwort: B

Begründung:
In Windows, security principals (users, groups) are identified by a Security Identifier (SID), formatted as S-1-<authority>-<domain>-<RID>. The RID (Relative Identifier) is the final component, unique within a domain or machine. For local accounts:
RID 500: Assigned to the built-in Administrator account on every Windows machine (e.g., S-1-5-21-<machine>-500).
Created during OS install, with full system privileges.
Disabled by default in newer Windows versions (e.g., 10/11) unless explicitly enabled.
RID 501: Guest account (e.g., S-1-5-21-<machine>-501), limited access.
Technical Details:
Stored in SAM (C:WindowsSystem32configSAM).
Enumeration: Tools like wmic useraccount or net user reveal RIDs.
Domain Context: Domain Admins use RID 512, but the question specifies a local machine.
Security Implications: RID 500 is a prime target for brute-forcing or pass-the-hash attacks (e.g., Mimikatz). CNSP likely advises renaming/disabling it (e.g., via GPO).
Why other options are incorrect:
A . 0: Reserved (e.g., Null SID, S-1-0-0), not a user RID.
C . 501: Guest, not Administrator.
D . 100: Invalid; local user RIDs start at 1000 (e.g., custom accounts).
Real-World Context: Post-compromise, attackers query RID 500 (e.g., net user Administrator) for privilege escalation.

38. Frage
An 'EICAR' file can be used to?

A. Test the encryption algorithms
B. Test the response of an antivirus program

Antwort: B

Begründung:
The EICAR test file is a standardized tool in security testing, designed for a specific purpose.
Why A is correct: The EICAR file (a 68-byte string) triggers antivirus detection without harm, testing response capabilities. CNSP recommends it for AV validation.
Why B is incorrect: It has no role in testing encryption; it's solely for AV functionality.

39. Frage
Which of the following statements regarding Authorization and Authentication is true?

A. Authentication includes the execution rules that determine what functionality and data the user can access. Authentication and Authorization are both the same thing.
B. Authorization is the process where requests to access a particular resource are granted or denied. Authentication is providing and validating the identity.
C. Authentication is the process where requests to access a particular resource are granted or denied. Authorization is providing and validating identity.
D. Authentication controls which processes a person can use and which files they can access, read, or modify. Authentication and authorization typically do not operate together, thus making it impossible to determine who is accessing the information.

Antwort: B

Begründung:
Authentication and Authorization (often abbreviated as AuthN and AuthZ) are foundational pillars of access control in network security:
Authentication (AuthN): Verifies "who you are" by validating credentials against a trusted source. Examples include passwords, MFA (multi-factor authentication), certificates, or biometrics. It ensures the entity (user, device) is legitimate, typically via protocols like Kerberos or LDAP.
Authorization (AuthZ): Determines "what you can do" after authentication, enforcing policies on resource access (e.g., read/write permissions, API calls). It relies on mechanisms like Access Control Lists (ACLs), Role-Based Access Control (RBAC), or Attribute-Based Access Control (ABAC).
Option A correctly separates these roles:
Authorization governs access decisions (e.g., "Can user X read file Y?").
Authentication establishes identity (e.g., "Is this user X?").
In practice, these processes are sequential: AuthN precedes AuthZ. For example, logging into a VPN authenticates your identity (e.g., via username/password), then authorizes your access to specific subnets based on your role. CNSP likely stresses this distinction for designing secure systems, as conflating them risks privilege escalation or identity spoofing vulnerabilities.
Why other options are incorrect:
B: Reverses the definitions-Authentication doesn't grant/deny access (that's AuthZ), and Authorization doesn't validate identity (that's AuthN). This mix-up could lead to flawed security models.
C: Falsely equates AuthN and AuthZ and attributes access rules to AuthN. They're distinct processes; treating them as identical undermines granular control (e.g., NIST SP 800-53 separates IA-2 for AuthN and AC-3 for AuthZ).
D: Misassigns access control to AuthN and claims they don't interoperate, which is false-they work together in every modern system (e.g., SSO with RBAC). This would render auditing impossible, contradicting security best practices.
Real-World Context: A web server (e.g., Apache) authenticates via HTTP Basic Auth, then authorizes via .htaccess rules-two separate steps.

40. Frage
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