一流的The SecOps Group CNSP：Certified Network Security Practitioner考試證照綜述 -確保通過的Testpdf CNSP認證題庫
想要通過CNSP認證考試並不是僅僅依靠與考試相關的書籍就可以辦到的。與其盲目地學習考試要求的相關知識，不如做一些有價值的試題。一本高效率的考古題是大家準備考試時必不可少的工具。所以，快點購買Testpdf的CNSP考古題吧。這是一本命中率很高的考古題，比其他任何學習方法都有效。这是可以保证你一次就成功的难得的资料。
The SecOps Group CNSP 考試大綱：
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CNSP認證題庫，CNSP資料
一般考 The SecOps Group CNSP 認證兩個目的：一來是學習產品知識；二來通過認證，得到一個可以證明自己能力的東西。如何讓自己一次性通過考試呢？下面向您推薦 Testpdf 考古題。如果你正在準備 The SecOps Group 的 CNSP 考試，為認證做最後衝刺，又苦於沒有絕對權威的考試真題模擬，CNSP 題庫能助你成功通過考試，獲取認證！
最新的 Security Practitioner CNSP 免費考試真題 (Q19-Q24):
問題 #19
On a Microsoft Windows operating system, what does the following command do?
net localgroup Sales Sales_domain /add
答案：D
解題說明：
The net localgroup command manages local group memberships on Windows systems, with syntax dictating its action.
Why B is correct: net localgroup Sales Sales_domain /add adds the domain group Sales_domain to the local group Sales, granting its members local group privileges. CNSP covers this for privilege escalation testing.
Why other options are incorrect:
A: Displaying users requires net localgroup Sales without /add.
C: Adding a user requires a username, not a group name like Sales_domain.
D: The reverse (local to domain) uses net group, not net localgroup.
問題 #20
Which of the following attacks are associated with an ICMP protocol?
答案：B
解題說明：
ICMP (Internet Control Message Protocol), per RFC 792, handles diagnostics (e.g., ping) and errors in IP networks. It's exploitable in:
A . Ping of Death:
Method: Sends oversized ICMP Echo Request packets (>65,535 bytes) via fragmentation. Reassembly overflows buffers, crashing older systems (e.g., Windows 95).
Fix: Modern OSes cap packet size (e.g., ping -s 65500).
B . Smurf Attack:
Method: Spoofs ICMP Echo Requests to a network's broadcast address (e.g., 192.168.255.255). All hosts reply, flooding the victim.
Amplification: 100 hosts = 100x traffic.
C . ICMP Flooding:
Method: Overwhelms a target with ICMP Echo Requests (e.g., ping -f), consuming bandwidth/CPU.
Variant: BlackNurse attack targets firewalls.
Technical Details:
ICMP Type 8 (Echo Request), Type 0 (Echo Reply) are key.
Mitigation: Rate-limit ICMP, disable broadcasts (e.g., no ip directed-broadcast).
Security Implications: ICMP attacks are DoS vectors. CNSP likely teaches filtering (e.g., iptables -p icmp -j DROP) balanced with diagnostics need.
Why other options are incorrect:
A, B, C individually: All are ICMP-based; D is comprehensive.
Real-World Context: Smurf attacks peaked in the 1990s; modern routers block them by default.
問題 #21
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."
答案：A
解題說明：
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.
問題 #22
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?
答案：D
解題說明：
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.
問題 #23
Where is the system registry file stored in a Microsoft Windows Operating System?
答案：C
解題說明：
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).
問題 #24
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