The SecOps Group Updated CNSP Exam Questions and Answers by king

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.

References:CNSP "Antivirus Testing" (Section on EICAR) describes its use for AV response verification.

The Active Directory (AD) database on Windows domain controllers contains critical directory information, stored in a specific file format.

Why D is correct:The NTDS.DIT file (NT Directory Services Directory Information Tree) is the Active Directory database file, located in C:\Windows\NTDS\ on domain controllers. It stores all AD objects (users, groups, computers) and schema data in a hierarchical structure. CNSP identifies NTDS.DIT as the key file for AD data extraction in securityaudits.

Why other options are incorrect:

A. NTDS.DAT:Not a valid AD database file; may be a confusion with other system files.

B. NTDS.MDB:Refers to an older Microsoft Access database format, not used for AD.

C. MSAD.MDB:Not a recognized file for AD; likely a misnomer.

References:CNSP "Windows Active Directory Security" (Section on Database Files) confirms NTDS.DIT as the Active Directory database file.

SSL/TLS protocols secure network communication, but older versions have vulnerabilities:

SSLv2 (1995):Weak ciphers, no handshake integrity (e.g., MITM via DROWN attack, CVE-2016-0800). Deprecated by RFC 6176 (2011).

SSLv3 (1996):Vulnerable to POODLE (CVE-2014-3566), weak block ciphers (e.g., RC4). Deprecated by RFC 7568 (2015).

TLSv1.0 (1999, RFC 2246):Inherits SSLv3 flaws (e.g., BEAST, CVE-2011-3389), weak CBC ciphers. Deprecated by PCI DSS (2018) and RFC 8996 (2021).

TLSv1.1 (2006, RFC 4346):Improved over 1.0 but lacks modern cipher suites (e.g., AEAD). Deprecated with 1.0 by RFC 8996.

TLSv1.2 (2008, RFC 5246):Secure with strong ciphers (e.g., AES-GCM), widely used today.

TLSv1.3 (2018, RFC 8446):Latest, removes legacy weaknesses, mandatory forward secrecy.

Answer:C (A and B)—SSLv2, SSLv3, TLSv1.0, and TLSv1.1 are unsafe due to exploitable flaws. TLSv1.2 and 1.3 remain secure. CNSP likely aligns with IETF/PCI standards, mandating modern versions.

Why other options are incorrect:

A:Correct but incomplete without B.

B:Correct but incomplete without A.

D:Incorrectly includes TLSv1.2 and 1.3, which are secure and recommended.

Real-World Context:POODLE forced mass SSLv3 disablement in 2014; TLS 1.0/1.1 deprecation hit legacy systems in 2021.References:CNSP Official Documentation (Cryptographic Protocols); RFC 8996 (TLS Deprecation).

DNS (Domain Name System) records define how domain names are mapped to various types of data, each serving a specific purpose in network operations. The question asks for valid DNS record types, and all listed options are recognized.

Why D is correct:

A. NAPTR record:The Naming Authority Pointer (NAPTR) record is used for service discovery and mapping domain names to services, protocols, and ports (e.g., in SIP or ENUM systems).

B. SRV record:The Service (SRV) record specifies the hostname and port for specific services (e.g., LDAP, XMPP), aiding in service location.

C. TXT record:The Text (TXT) record stores arbitrary text data, often for SPF, DKIM, or domain verification.All are valid DNS record types per RFC standards and CNSP documentation, making "All of the above" the correct answer.

Why other options are incomplete:A, B, or C alone exclude other valid types listed, so D is the most comprehensive response.

References:CNSP "DNS Configuration and Security" (Section on Record Types) lists NAPTR, SRV, and TXT as valid DNS records, detailing their uses in network services.