WGU D488 OA CERTIFICATION PAPER
2026 FULL SOLUTION GRADED A+
● An IT security team has been notified that external contractors are
using their personal laptops to gain access to the corporate network. The
team needs to recommend a solution that will prevent unapproved
devices from accessing the network.
Which solution fulfills these requirements?
Answer
Implementing a demilitarized zone (DMZ)
Installing a hardware security module
Implementing port security
Deploying a software firewall. Answer: Implementing Port Security
● The chief technology officer for a small publishing company has been
tasked with improving the company's security posture. As part of a
network upgrade, the company has decided to implement intrusion
detection, spam filtering, content filtering, and antivirus controls. The
project needs to be completed using the least amount of infrastructure
while meeting all requirements.
Which solution fulfills these requirements?
,Answer
Deploying an anti-spam gateway
Deploying a proxy server
Deploying a unified threat management (UTM) appliance
Deploying a web application firewall (WAF). Answer: Deploying a
unified threat management (UTM) appliance
● The security team plans to deploy an intrusion detection system (IDS)
solution to alert engineers about inbound threats. The team already has a
database of signatures that they want the IDS solution to validate.
Which detection technique meets the requirements?
Answer
Intrusion detection
Deep packet inspection
Signature-based detection
Intrusion prevention. Answer: Signature-based detection
● An IT organization had a security breach after deploying an update to
its production web servers. The application currently goes through a
manual update process a few times per year. The security team needs to
recommend a failback option for future deployments.
,Which solution fulfills these requirements?
Answer
Implementing a code scanner
Implementing code signing
Implementing versioning
Implementing a security requirements traceability matrix (SRTM).
Answer: Implementing versioning
● A software development team is working on a new mobile application
that will be used by customers. The security team must ensure that
builds of the application will be trusted by a variety of mobile devices.
Which solution fulfills these requirements?
Answer
Code scanning
Regression testing
Code signing
Continuous delivery. Answer: Code signing
, ● An IT organization recently suffered a data leak incident.
Management has asked the security team to implement a print blocking
mechanism for all documents stored on a corporate file share.
Which solution fulfills these requirements?
Answer
Virtual desktop infrastructure (VDI)
Remote Desktop Protocol (RDP)
Digital rights management (DRM)
Watermarking. Answer: Digital rights management (DRM)
● A company has recently discovered that a competitor is distributing
copyrighted videos produced by the in-house marketing team.
Management has asked the security team to prevent these types of
violations in the future.
Which solution fulfills these requirements?
Answer
Virtual desktop infrastructure (VDI)
Secure Socket Shell (SSH)
Digital rights management (DRM)
2026 FULL SOLUTION GRADED A+
● An IT security team has been notified that external contractors are
using their personal laptops to gain access to the corporate network. The
team needs to recommend a solution that will prevent unapproved
devices from accessing the network.
Which solution fulfills these requirements?
Answer
Implementing a demilitarized zone (DMZ)
Installing a hardware security module
Implementing port security
Deploying a software firewall. Answer: Implementing Port Security
● The chief technology officer for a small publishing company has been
tasked with improving the company's security posture. As part of a
network upgrade, the company has decided to implement intrusion
detection, spam filtering, content filtering, and antivirus controls. The
project needs to be completed using the least amount of infrastructure
while meeting all requirements.
Which solution fulfills these requirements?
,Answer
Deploying an anti-spam gateway
Deploying a proxy server
Deploying a unified threat management (UTM) appliance
Deploying a web application firewall (WAF). Answer: Deploying a
unified threat management (UTM) appliance
● The security team plans to deploy an intrusion detection system (IDS)
solution to alert engineers about inbound threats. The team already has a
database of signatures that they want the IDS solution to validate.
Which detection technique meets the requirements?
Answer
Intrusion detection
Deep packet inspection
Signature-based detection
Intrusion prevention. Answer: Signature-based detection
● An IT organization had a security breach after deploying an update to
its production web servers. The application currently goes through a
manual update process a few times per year. The security team needs to
recommend a failback option for future deployments.
,Which solution fulfills these requirements?
Answer
Implementing a code scanner
Implementing code signing
Implementing versioning
Implementing a security requirements traceability matrix (SRTM).
Answer: Implementing versioning
● A software development team is working on a new mobile application
that will be used by customers. The security team must ensure that
builds of the application will be trusted by a variety of mobile devices.
Which solution fulfills these requirements?
Answer
Code scanning
Regression testing
Code signing
Continuous delivery. Answer: Code signing
, ● An IT organization recently suffered a data leak incident.
Management has asked the security team to implement a print blocking
mechanism for all documents stored on a corporate file share.
Which solution fulfills these requirements?
Answer
Virtual desktop infrastructure (VDI)
Remote Desktop Protocol (RDP)
Digital rights management (DRM)
Watermarking. Answer: Digital rights management (DRM)
● A company has recently discovered that a competitor is distributing
copyrighted videos produced by the in-house marketing team.
Management has asked the security team to prevent these types of
violations in the future.
Which solution fulfills these requirements?
Answer
Virtual desktop infrastructure (VDI)
Secure Socket Shell (SSH)
Digital rights management (DRM)
