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Domain 1: Vulnerability Management Fundamentals (12 Questions)
Q1: Your organization has identified a vulnerability with CVSS v3.1 score of 7.5 (High)
affecting a critical database server containing customer PII. The vulnerability has active
exploit code available in the wild and is being actively exploited by ransomware groups.
According to risk-based vulnerability management principles, how should this
vulnerability be prioritized?
A. Medium priority—schedule patching within 90 days since the CVSS base score is
below 9.0
B. Low priority—database servers are typically well-protected and the vulnerability
requires authenticated access
C. Critical priority—immediately remediate due to active exploitation, data sensitivity,
and asset criticality despite the 7.5 CVSS score [CORRECT]
D. High priority—patch within 30 days following standard SLA for high-severity
vulnerabilities
Correct Answer: C
Rationale: Risk-based vulnerability management prioritizes vulnerabilities based on
business context, threat intelligence, and asset criticality—not solely on CVSS scores.
While the CVSS v3.1 score is 7.5 (High), the presence of active exploitation (threat
intelligence), sensitive data (customer PII), and critical asset classification elevates this
to critical priority requiring immediate remediation. Option A incorrectly relies solely on
CVSS scoring without considering threat context. Option B dangerously underestimates
,the risk by assuming network segmentation provides sufficient protection against active
threats. Option D applies a rigid SLA without accounting for the active exploitation
status which demands emergency patching protocols.
Q2: Which CVSS v3.1 metric combination would result in the HIGHEST severity score for
a vulnerability in a web application accessible from the internet with low attack
complexity and no privileges required?
A. Attack Vector: Network, Attack Complexity: High, Privileges Required: High, User
Interaction: Required
B. Attack Vector: Network, Attack Complexity: Low, Privileges Required: None, User
Interaction: None [CORRECT]
C. Attack Vector: Local, Attack Complexity: Low, Privileges Required: None, User
Interaction: None
D. Attack Vector: Adjacent Network, Attack Complexity: Low, Privileges Required: Low,
User Interaction: Required
Correct Answer: B
Rationale: CVSS v3.1 base scores are maximized when attack vectors are most
exploitable. Option B represents the "worst case" scenario: Network attack vector
(remotely exploitable), Low complexity (no special conditions), No privileges
(anonymous exploitation), and No user interaction (fully automated). This combination
typically yields a base score near 9.8-10.0 (Critical). Option A reduces severity through
High complexity and required privileges. Option C limits exploitability to Local access.
Option D requires Adjacent Network access and user interaction, significantly reducing
the score. The Base Score formula heavily weights Attack Vector (Network = 0.85)
versus Local (0.55) or Adjacent (0.62).
,Q3: During vulnerability assessment, your team identifies a QID (Qualys ID) marked as
"Confirmed" versus another marked as "Potential." What is the primary distinction
between these vulnerability states in Qualys VMDR?
A. "Confirmed" indicates automated validation while "Potential" requires manual
penetration testing verification
B. "Confirmed" means the scanner verified the vulnerability through active exploitation
or version detection with certainty, while "Potential" indicates the vulnerability was
detected through banner grabbing or version identification without active verification
[CORRECT]
C. "Confirmed" vulnerabilities are automatically remediated by Qualys agents while
"Potential" requires manual intervention
D. "Confirmed" applies only to critical vulnerabilities while "Potential" applies to
informational findings
Correct Answer: B
Rationale: In Qualys VMDR, "Confirmed" status indicates the scanner actively verified
the vulnerability through methods such as safe exploitation, registry inspection, or
definitive version detection with proof of vulnerability. "Potential" status indicates the
vulnerability was inferred through less definitive methods like service banner analysis or
software version identification without active verification, requiring manual validation.
Option A incorrectly suggests manual testing is required for all "Potential" findings.
Option C confuses detection with remediation capabilities. Option D incorrectly
correlates confirmation status with severity levels rather than detection methodology.
Q4: Which statement accurately describes the relationship between CVE (Common
Vulnerabilities and Exposures) and QID (Qualys ID) in the Qualys platform?
A. Each CVE maps to exactly one QID, and each QID maps to exactly one CVE in a 1:1
relationship
, B. Multiple CVEs can be associated with a single QID, and a single CVE can be
associated with multiple QIDs depending on vulnerability variants, affected products,
and detection methods [CORRECT]
C. QIDs are deprecated in favor of CVE identifiers in modern Qualys VMDR deployments
D. CVE identifiers are only used for compliance reporting while QIDs are used for
technical scanning
Correct Answer: B
Rationale: The relationship between CVE and QID is many-to-many. A single QID may
detect multiple CVEs if they represent the same vulnerability class or affect the same
component (e.g., a single QID might detect multiple CVEs in a software library).
Conversely, a single CVE may have multiple QIDs if different detection methods are
required for different platforms, versions, or configurations (e.g., Windows vs. Linux
variants of the same vulnerability). Option A incorrectly assumes a strict 1:1 mapping.
Option C is factually incorrect—QIDs remain fundamental to Qualys scanning. Option D
misrepresents the complementary roles of CVE (standardized identifier) and QID
(Qualys detection mechanism).
Q5: In vulnerability management, what constitutes a "false positive" versus a "false
negative," and which poses greater risk to organizational security?
A. False positives are undetected vulnerabilities; false negatives are incorrectly reported
vulnerabilities; false positives pose greater risk due to wasted resources
B. False positives are incorrectly reported vulnerabilities that don't exist; false negatives
are actual vulnerabilities that go undetected; false negatives pose greater risk due to
unaddressed exposure [CORRECT]
C. False positives and false negatives are synonymous terms referring to scan errors
that require recertification
D. False positives indicate low-risk vulnerabilities while false negatives indicate high-risk
vulnerabilities
Correct Answer: B