Before applying any updates or patches to a production VM, especially one with a 99% uptime SLA, it is crucial to first take a snapshot of the VM. This snapshot serves as a backup that can be quickly restored in case the update causes any issues, ensuring that the system can be returned to its previous state without violating the SLA. This step mitigates risk and is a standard best practice in change management for critical systems.
References = CompTIA Security+ SY0-701 study materials, focusing on change management and backup strategies.

Containmentis the phase wherean organization attempts to minimize the damage caused by a security incident. This may involve isolating affected systems, blocking malicious traffic, or temporarily shutting down compromised services to prevent further impact.
Recovery (A)focuses on restoring normal operations after an incident.
Preparation (C)involves planning and readiness before an incident occurs.
Analysis (D)involvesinvestigating the root causeand assessing the damage.
Reference:CompTIA Security+ SY0-701 Official Study Guide, Security Operations domain.

The requirements point to a cloud-delivered, remote-user-first architecture that provides secure connectivity and security controls as an integrated service. Secure Access Service Edge (SASE) matches this because it combines remote connectivity capabilities (often replacing or modernizing traditional VPN approaches) with cloud-based security services, including firewalling, in a way that supports distributed users and resilient global access. The Study Guide explicitly states: "Secure Access Service Edge (SASE... ) combines virtual private networks, SD-WAN, and cloud-based security tools like firewalls, cloud access security brokers (CASBs), and zero-trust networks to provide secure access for devices regardless of their location." This directly aligns with a fully remote workforce ("regardless of their location"), VPN capability, and an integrated firewall ("cloud-based security tools like firewalls").
Why the other options don't fit as well: IPS is a specific protective control, not an end-to-end remote access architecture; SIEM is for log aggregation/correlation and monitoring, not VPN + firewall delivery; and CASB is a component used to enforce cloud policy, but the guide distinguishes it as a policy enforcement point rather than a full connectivity + firewall architecture: "A CASB is a policy enforcement point..." . Therefore, SASE is the best match.
References: Sybex CompTIA Security+ Study Guide (SY0-701) - SASE definition and included capabilities (also duplicated in ).

Shadow IT refers to the use of information technology systems, devices, software, applications, and services without explicit IT department approval. This is the most likely cause of introducing vulnerabilities on a corporate network by deploying unapproved software, as such software may not have been vetted for security compliance, increasing the risk of vulnerabilities.
References =
* CompTIA Security+ SY0-701 Course Content: The concept of Shadow IT is discussed as a significant risk due to the introduction of unapproved and potentially vulnerable software into the corporate network.

If cadets are using company phone numbers to make unsolicited calls, and the logs confirm the numbers are not being spoofed, it suggests that the SIP (Session Initiation Protocol) server's security settings might be weak. This could allow unauthorized access or exploitation of the company's telephony services, potentially leading to misuse by unauthorized individuals.
References = CompTIA Security+ SY0-701 study materials, especially on SIP security and common vulnerabilities.