PCI-DSS ISA Exam Questions and
Correct Answers with Complete Solution
| Latest Update 2026/27
Perimeter firewalls installed ______________________________. - ANSWERS
between all wireless networks and the CHD environment.
Where should firewalls be installed? - ANSWERS At each Internet connection
and between any DMZ and the internal network.
Review of firewall and router rule sets at least every __________________. -
ANSWERS 6 months
If disk encryption is used - ANSWERS logical access must be managed
separately and independently of native operating system authentication and
access control mechanisms
Manual clear-text key-management procedures specify processes for the use of
the following: - ANSWERS Split knowledge AND Dual control of keys
What is considered "Sensitive Authentication Data"? - ANSWERS Card
verification value
, When a PAN is displayed to an employee who does NOT need to see the full PAN,
the minimum digits to be masked are: All digits between the ___________ and
the __________. - ANSWERS first 6; last 4
Regarding protection of PAN... - ANSWERS PAN must be rendered unreadable
during the transmission over public and wireless networks.
Under requirement 3.4, what method must be used to render the PAN
unreadable? - ANSWERS Hashing the entire PAN using strong cryptography
Weak security controls that should NOT be used - ANSWERS WEP, SSL, and TLS
1.0 or earlier
Per requirement 5, anti-virus technology must be deployed_________________ -
ANSWERS on all system components commonly affected by malicious
software.
Key functions for anti-vius program per Requirement 5: - ANSWERS 1) Detect
2) Remove
3) Protect
Anti-virus solutions may be temporarily disabled only if - ANSWERS there is
legitimate technical need, as authorized by management on a case-by-case basis
When to install "critical" applicable vendor-supplied security patches? ---> within
_________ of release. - ANSWERS 1 month
Correct Answers with Complete Solution
| Latest Update 2026/27
Perimeter firewalls installed ______________________________. - ANSWERS
between all wireless networks and the CHD environment.
Where should firewalls be installed? - ANSWERS At each Internet connection
and between any DMZ and the internal network.
Review of firewall and router rule sets at least every __________________. -
ANSWERS 6 months
If disk encryption is used - ANSWERS logical access must be managed
separately and independently of native operating system authentication and
access control mechanisms
Manual clear-text key-management procedures specify processes for the use of
the following: - ANSWERS Split knowledge AND Dual control of keys
What is considered "Sensitive Authentication Data"? - ANSWERS Card
verification value
, When a PAN is displayed to an employee who does NOT need to see the full PAN,
the minimum digits to be masked are: All digits between the ___________ and
the __________. - ANSWERS first 6; last 4
Regarding protection of PAN... - ANSWERS PAN must be rendered unreadable
during the transmission over public and wireless networks.
Under requirement 3.4, what method must be used to render the PAN
unreadable? - ANSWERS Hashing the entire PAN using strong cryptography
Weak security controls that should NOT be used - ANSWERS WEP, SSL, and TLS
1.0 or earlier
Per requirement 5, anti-virus technology must be deployed_________________ -
ANSWERS on all system components commonly affected by malicious
software.
Key functions for anti-vius program per Requirement 5: - ANSWERS 1) Detect
2) Remove
3) Protect
Anti-virus solutions may be temporarily disabled only if - ANSWERS there is
legitimate technical need, as authorized by management on a case-by-case basis
When to install "critical" applicable vendor-supplied security patches? ---> within
_________ of release. - ANSWERS 1 month
