A newly launched Linux instance hosts an internal data processing service for your organization. Authorized employees connect to it over a secure internal network. Which measure indicates an improvement in the system's security posture?
Set a short password policy for faster user logins
Remove default user accounts and disable services that are not required
Open additional ports for broader connectivity across workloads
Install more CPU resources to handle heavier processing overhead
Removing default user accounts and shutting off unneeded services decreases exposure to attacks by limiting entry points. Installing more CPU resources gains performance but does not address security. Opening additional ports makes intrusion more likely. Short password policies weaken protection by simplifying unauthorized access.
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Why is it important to remove default user accounts on a Linux instance?
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What are the consequences of leaving unnecessary services enabled on a Linux instance?
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How can opening additional ports affect the security of an internal data processing service?