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The SecOps Group CNSP Exam Syllabus Topics:

Topic
Details

Topic 1

• 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 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

• Network Security Tools and Frameworks (such as Nmap, Wireshark, etc)

Topic 4

• 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.

Topic 5

• Testing Network Services

Topic 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.

Topic 7

• 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.

Topic 8

• 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 9

• 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.

 

The SecOps Group Certified Network Security Practitioner Sample Questions (Q40-Q45):

NEW QUESTION # 40
What is the response from an open UDP port which is behind a firewall (port is open on the firewall)?

• A. ICMP message showing Port Unreachable
• B. A FIN Packet
• C. A SYN Packet
• D. No response

Answer: D

Explanation:
UDP (User Datagram Protocol), per RFC 768, is connectionless, lacking TCP's handshake or acknowledgment mechanisms. When a UDP packet reaches a port:
Closed Port: The host typically sends an ICMP "Destination Port Unreachable" (Type 3, Code 3) unless suppressed (e.g., by firewall or OS settings).
Open Port: If a service is listening (e.g., DNS on 53/UDP), it processes the packet but doesn't inherently reply unless the application protocol requires it (e.g., DNS sends a response).
Scenario: An open UDP port behind a firewall, with the firewall rule allowing traffic (e.g., permit udp any host 10.0.0.1 eq 123). The packet reaches the service, but UDP itself doesn't mandate a response. Most services (e.g., NTP, SNMP) only reply if the packet matches an expected request. In this question's generic context (no specific service), no response is the default, as the firewall permits the packet, and the open port silently accepts it without feedback.
Security Implications: This silence makes UDP ports harder to scan (e.g., Nmap assumes "open|filtered" for no response), but exposed open ports risk amplification attacks (e.g., DNS reflection). CNSP likely contrasts UDP's behavior with TCP for firewall rule crafting.
Why other options are incorrect:
A . ICMP message showing Port Unreachable: Occurs for closed ports, not open ones, unless the service explicitly rejects the packet (rare).
C . A SYN Packet: SYN is TCP-specific (handshake initiation), irrelevant to UDP.
D . A FIN Packet: FIN is TCP-specific (connection closure), not UDP.
Real-World Context: Testing UDP 53 (DNS) with dig @8.8.8.8 +udp yields a response, but generic UDP probes (e.g., nc -u) often get silence.

 

NEW QUESTION # 41
Which of the following commands will work on a Microsoft operating system to add a new domain admin user?

• A. net user John "Domain Admins" /add /domain
• B. net group "Administrator" John /add
• C. net user John /add /domain /admin
• D. net group "Domain Admins" John /add /domain

Answer: D

Explanation:
Adding a user to a domain group like "Domain Admins" requires the correct command and scope (domain vs. local).
Why A is correct: net group "Domain Admins" John /add /domain adds user John to the domain-level "Domain Admins" group, per CNSP's domain privilege management.
Why other options are incorrect:
B: net user creates users, not group memberships; syntax is wrong.
C: /admin is invalid; correct group specification is missing.
D: Targets local "Administrator" group, not domain "Domain Admins".

 

NEW QUESTION # 42
Which SMB (Server Message Block) network protocol versions are vulnerable to the EternalBlue (MS17-010) Windows exploit?

• A. Both SMBv1 and SMBv2
• B. SMBv3 only
• C. SMBv2 only
• D. SMBv1 only

Answer: D

Explanation:
EternalBlue (MS17-010) is an exploit targeting a buffer overflow in Microsoft's SMB (Server Message Block) implementation, leaked by the Shadow Brokers in 2017. SMB enables file/printer sharing:
SMBv1 (1980s): Legacy, used in Windows NT/XP.
SMBv2 (2006, Vista): Enhanced performance/security.
SMBv3 (2012, Windows 8): Adds encryption, multichannel.
Vulnerability:
EternalBlue exploits a flaw in SMBv1's SRVNET driver (srv.sys), allowing remote code execution via crafted packets. Microsoft patched it in March 2017 (MS17-010).
Affected OS: Windows XP to Server 2016 (pre-patch), if SMBv1 enabled.
Proof: WannaCry/NotPetya used it, targeting port 445/TCP.
SMBv1 Only: The bug resides in SMBv1's packet handling (e.g., TRANS2 requests). SMBv2/v3 rewrote this code, immune to the specific overflow.
Microsoft: Post-patch, SMBv1 is disabled by default (Windows 10 1709+).
Security Implications: CNSP likely stresses disabling SMBv1 (e.g., via Group Policy) and patching, as EternalBlue remains a threat in legacy environments.
Why other options are incorrect:
B, C: SMBv2/v3 aren't vulnerable; the flaw is SMBv1-specific.
D: SMBv2 isn't affected, only SMBv1.
Real-World Context: WannaCry's 2017 rampage hit unpatched SMBv1 systems (e.g., NHS), costing billions.

 

NEW QUESTION # 43
Which of the following techniques can be used to bypass network segmentation during infrastructure penetration testing?

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

Answer: D

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 # 44
If a hash begins with $2a$, what hashing algorithm has been used?

• A. Blowfish
• B. SHA512
• C. MD5
• D. SHA256

Answer: A

Explanation:
The prefix $2a$ identifies the bcrypt hashing algorithm, which is based on the Blowfish symmetric encryption cipher (developed by Bruce Schneier). Bcrypt is purpose-built for password hashing, incorporating:
Salt: A random string (e.g., 22 Base64 characters) to thwart rainbow table attacks.
Work Factor: A cost parameter (e.g., $2a$10$ means 2