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The SecOps Group CNSP Exam Syllabus Topics:
Topic
Details
Topic 1
- 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 2
- 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 3
- 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.
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
- 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 6
- Network Security Tools and Frameworks (such as Nmap, Wireshark, etc)
Topic 7
- Testing Network Services
Topic 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.
Topic 9
- 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 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
- 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 12
- 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 13
- 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.
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The SecOps Group Certified Network Security Practitioner Sample Questions (Q51-Q56):
NEW QUESTION # 51
Which of the following is true for SNMP?
A) The default community string for read-only access is "public."
B) The default community string for read/write access is "private."
- A. Only A
- B. Both A and B
- C. Only B
- D. None of the above
Answer: B
Explanation:
SNMP community strings authenticate access, with defaults posing security risks if unchanged.
Why C is correct:
A: "public" is the standard read-only default, per SNMP specs and CNSP.
B: "private" is the standard read-write default, also per SNMP and CNSP.
Both are true, making C the answer.
Why other options are incorrect:
1, 2: Exclude one true statement each.
4: Both statements are true, so "none" is wrong.
NEW QUESTION # 52
You are performing a security audit on a company's network infrastructure and have discovered the SNMP community string set to the default value of "public" on several devices. What security risks could this pose, and how might you exploit it?
- A. None of the above.
- B. The potential risk is that an attacker could use the SNMP protocol to gather sensitive information about the devices. You might use a tool like Snmpwalk to query the devices for information.
- C. Both A and B.
- D. The potential risk is that an attacker could use the SNMP protocol to modify the devices' configuration settings. You might use a tool like Snmpset to change the settings.
Answer: B
Explanation:
SNMP (Simple Network Management Protocol) uses community strings as a basic form of authentication. The default read-only community string "public" is widely known, and if left unchanged, it exposes devices to unauthorized access. The primary risk with "public" is information disclosure, as it typically grants read-only access, allowing attackers to gather sensitive data (e.g., device configurations, network topology) without altering settings.
Why A is correct: With the "public" string, an attacker can use tools like snmpwalk to enumerate device details (e.g., system uptime, interfaces, or software versions) via SNMP queries. This aligns with CNSP's focus on reconnaissance risks during security audits, emphasizing the danger of default credentials enabling passive data collection.
Why other options are incorrect:
B: While modifying settings is a risk with SNMP, the default "public" string is typically read-only. Changing configurations requires a read-write community string (e.g., "private"), which isn't implied here. Thus, snmpset would not work with "public" alone.
C: Since B is incorrect in this context, C (both A and B) cannot be the answer.
D: The risk in A is valid, so "none of the above" is incorrect.
NEW QUESTION # 53
What user account is required to create a Golden Ticket in Active Directory?
- A. Domain User account
- B. KRBTGT account
- C. Local User account
- D. Service account
Answer: B
Explanation:
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).
NEW QUESTION # 54
Which SMB (Server Message Block) network protocol versions are vulnerable to the EternalBlue (MS17-010) Windows exploit?
- A. Both SMBv1 and SMBv2
- B. SMBv2 only
- C. SMBv3 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 # 55
How many usable TCP/UDP ports are there?
- A. 0
- B. 1
- C. 2
- D. 3
Answer: C
Explanation:
TCP (Transmission Control Protocol) and UDP (User Datagram Protocol) port numbers are defined by a 16-bit field in their packet headers, as specified in RFC 793 (TCP) and RFC 768 (UDP). A 16-bit integer ranges from 0 to 65,535, yielding a total of 65,536 possible ports (2
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