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The SecOps Group CNSP Probesfragen, CNSP Exam Fragen

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The SecOps Group CNSP Prüfungsplan:

Thema
Einzelheiten

Thema 1

• 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 2

• 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 3

• 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 4

• 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 5

• Password Storage: This section of the exam measures the skills of Network Engineers and addresses safe handling of user credentials. It explains how hashing, salting, and secure storage methods can mitigate risks associated with password disclosure or theft.

Thema 6

• Testing Network Services

Thema 7

• 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 8

• 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 9

• 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 10

• 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.

Thema 11

• 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.

 

>> The SecOps Group CNSP Probesfragen <<

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The SecOps Group Certified Network Security Practitioner CNSP Prüfungsfragen mit Lösungen (Q49-Q54):

49. Frage
You are performing a security audit on a company's infrastructure and have discovered that the domain name system (DNS) server is vulnerable to a DNS cache poisoning attack. What is the primary security risk?

• A. The primary risk is that an attacker could redirect traffic to a malicious website and steal sensitive information.
• B. The primary risk is that an attacker could manipulate the cache of the web server or proxy server to return incorrect content for a specific URL or web page.

Antwort: A

Begründung:
DNS cache poisoning, also known as DNS spoofing, involves an attacker injecting false DNS records into a resolver's cache, altering how domain names resolve.
Why A is correct: The primary risk is that an attacker can redirect users to malicious websites (e.g., phishing or malware sites) by poisoning the DNS cache with fake IP addresses. This can lead to credential theft, data exfiltration, or malware distribution. CNSP identifies this as the core threat of DNS cache poisoning, aligning with real-world attack vectors.
Why other option is incorrect:
B . Manipulate the cache of the web server or proxy server: This describes web cache poisoning, a different attack targeting HTTP caches, not DNS servers. DNS cache poisoning affects DNS resolution, not web or proxy server caches directly.

 

50. Frage
What user account is required to create a Golden Ticket in Active Directory?

• A. Local User account
• B. Domain User account
• C. Service account
• D. KRBTGT account

Antwort: D

Begründung:
A Golden Ticket is a forged Kerberos Ticket-Granting Ticket (TGT) in Active Directory (AD), granting an attacker unrestricted access to domain resources by impersonating any user (e.g., with Domain Admin privileges). Kerberos, per RFC 4120, relies on the KRBTGT account-a built-in service account on every domain controller-to encrypt and sign TGTs. To forge a Golden Ticket, an attacker needs:
The KRBTGT password hash (NTLM or Kerberos key), typically extracted from a domain controller's memory using tools like Mimikatz.
Additional domain details (e.g., SID, domain name).
Process:
Compromise a domain controller (e.g., via privilege escalation).
Extract the KRBTGT hash (e.g., lsadump::dcsync /user:krbtgt).
Forge a TGT with arbitrary privileges using the hash (e.g., Mimikatz's kerberos::golden command).
The KRBTGT account itself isn't "used" to create the ticket; its hash is the key ingredient. Unlike legitimate TGTs issued by the KDC, a Golden Ticket bypasses authentication checks, persisting until the KRBTGT password is reset (a rare event in most environments). CNSP likely highlights this as a high-severity AD attack vector.
Why other options are incorrect:
A . Local User account: Local accounts are machine-specific, lack domain privileges, and can't access the KRBTGT hash stored on domain controllers.
B . Domain User account: A standard user has no inherent access to domain controller credentials or the KRBTGT hash without escalation.
C . Service account: While service accounts may have elevated privileges, they don't automatically provide the KRBTGT hash unless compromised to domain admin level-still insufficient without targeting KRBTGT specifically.
Real-World Context: The 2014 Sony Pictures hack leveraged Golden Tickets, emphasizing the need for KRBTGT hash rotation post-breach (a complex remediation step).

 

51. Frage
Where is the system registry file stored in a Microsoft Windows Operating System?

• A. C:Windowssecurity
• B. All of the above
• C. C:Windowsdebug
• D. C:WindowsSystem32Config

Antwort: D

Begründung:
The Windows Registry is a hierarchical database storing configuration settings for the operating system, applications, and hardware. It's physically stored as hive files on disk, located in the directory C:WindowsSystem32Config. These files are loaded into memory at boot time and managed by the Windows kernel. Key hive files include:
SYSTEM: Contains hardware and system configuration (e.g., drivers, services).
SOFTWARE: Stores software settings.
SAM: Security Accounts Manager data (e.g., local user accounts, passwords).
SECURITY: Security policies and permissions.
DEFAULT: Default user profile settings.
USERDIFF and user-specific hives (e.g., NTUSER.DAT in C:Users<username>) for individual profiles, though these are linked to Config indirectly.
Technical Details:
Path: C:WindowsSystem32Config is the primary location for system-wide hives. Files lack extensions (e.g., "SYSTEM" not "SYSTEM.DAT") and are backed by transaction logs (e.g., SYSTEM.LOG) for recovery.
Access: Direct file access is restricted while Windows runs, as the kernel locks them. Tools like reg save or offline forensic utilities (e.g., RegRipper) can extract them.
Backup: Copies may exist in C:WindowsSystem32configRegBack (pre-Windows 10 1803) or repair folders (e.g., C:WindowsRepair).
Security Implications: The registry is a prime target for attackers (e.g., persistence via Run keys) and malware (e.g., WannaCry modified registry entries). CNSP likely emphasizes securing this directory (e.g., NTFS permissions) and auditing changes (e.g., via Event Viewer, Event ID 4657). Compromising these files offline (e.g., via physical access) can extract password hashes from SAM.
Why other options are incorrect:
A . C:Windowsdebug: Used for debug logs (e.g., memory.dmp) or tools like DebugView, not registry hives. It's unrelated to core configuration storage.
C . C:Windowssecurity: Contains security-related files (e.g., audit logs, policy templates), but not the registry hives themselves.
D . All of the above: Only B is correct; including A and C dilutes accuracy.
Real-World Context: Forensic analysts target C:WindowsSystem32Config during investigations (e.g., parsing SAM with Mimikatz offline).

 

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

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

Antwort: A

 

53. Frage
How many octets are there in an IPv6 address?

• A. 0
• B. 1
• C. 2
• D. 3

Antwort: A

Begründung:
An IPv6 address, defined in RFC 4291, is a 128-bit address designed to replace IPv4's 32-bit scheme, vastly expanding address space (2