100-160 Question 141
Select 3A company has recently experienced a cybersecurity breach due to a vulnerability in their operating system. As a Cisco Certified Support Technician, you are tasked with ensuring that all devices are updated to prevent future exploitation. What steps should you take to implement software and hardware updates effectively?
- A
Enable automatic updates for all supported software and operating systems.
- B
Manually check for updates every six months to ensure stability.
- C
Test updates on a subset of devices before deploying them company-wide.
- D
Disable updates temporarily until the breach investigation is completed.
- E
Review the changelogs and security advisories before applying updates.
Show answer and explanation
Correct answers: A, C, E
Explanation
Implementing software and hardware updates effectively involves enabling automatic updates to ensure timely patching, testing updates on a small group of devices to prevent issues, and reviewing changelogs or advisories to understand the purpose and scope of the updates. These steps collectively minimize risks while maintaining operational stability.
- A. Correct.
Enabling automatic updates ensures that devices receive the latest patches and updates as soon as they are available, reducing the risk of exploitation.
- B. Incorrect.
Checking for updates every six months is too infrequent and increases the risk of leaving vulnerabilities unpatched for extended periods.
- C. Correct.
Testing updates on a subset of devices helps identify potential compatibility issues or other problems before deploying them widely.
- D. Incorrect.
Disabling updates temporarily can leave systems vulnerable to exploitation, especially if critical patches are available.
- E. Correct.
Reviewing changelogs and security advisories provides context on what the updates address, allowing you to determine their relevance and priority.