hardmulti selectObjective-mapped

A file server used by a shared service account begins renaming documents, deleting shadow copies, and creating outbound SMB connections to many internal hosts. The SOC suspects the malware may be spreading while also encrypting data. Which two actions are the best immediate containment steps? Select two.

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A file server used by a shared service account begins renaming documents, deleting shadow copies, and creating outbound SMB connections to many internal hosts. The SOC suspects the malware may be spreading while also encrypting data. Which two actions are the best immediate containment steps? Select two.

Answer choices

Why each option matters

Good practice is not just finding the correct option. The wrong answers often show the exact trap the exam wants you to fall into.

A

Best answer

Isolate the affected server from the network through EDR or switch controls.

Isolation is the fastest way to stop further encryption and prevent the suspected spread from reaching more systems. When a server is actively affecting files and reaching out to other hosts, limiting its network access is the most effective containment measure available immediately.

B

Best answer

Disable or reset the compromised service account and revoke active sessions.

If the shared service account is being abused, revoking it can stop the attacker from reusing credentials to move laterally. This is especially important because the malware is already making internal SMB connections. Controlling the account closes a likely propagation path, not just the infected host.

C

Distractor review

Restore the server from backup before taking any containment action.

Restoring too early can overwrite evidence and may reintroduce the malware if the restoration source is not verified. Backups matter, but containment comes first when the compromise is still active. The environment must be stabilized before recovery begins.

D

Distractor review

Delete the suspicious files from the server to stop the encryption process.

Manually deleting files is risky and can destroy evidence without reliably stopping the malware. If the process is still active, the attacker may continue through other paths or credentials. Removing files is not the preferred first containment step when the host is still communicating internally.

E

Distractor review

Inform users that the incident is likely a false positive and continue monitoring.

The observed behaviors are consistent with active malicious activity, not a harmless alert. Continuing to monitor without containment allows additional damage and possible spread. This would be an operationally unsafe response given the encryption, shadow-copy deletion, and internal SMB activity.

Common exam trap

Common exam trap: NAT rules depend on direction and matching traffic

NAT is not only about the public address. The inside/outside interface roles and the ACL or rule that matches traffic are just as important.

Technical deep dive

How to think about this question

NAT questions usually test address translation, overload/PAT behaviour, static mappings and whether the right traffic is being translated. Read the interface direction and address terms carefully.

KKey Concepts to Remember

  • Static NAT maps one inside address to one outside address.
  • PAT allows many inside hosts to share one public address using ports.
  • Inside local and inside global describe the private and translated addresses.
  • NAT ACLs identify traffic for translation, not always security filtering.

TExam Day Tips

  • Identify inside and outside interfaces first.
  • Check whether the scenario needs static NAT, dynamic NAT or PAT.
  • Do not confuse NAT matching ACLs with normal packet-filtering intent.

Related practice questions

Related SY0-701 practice-question pages

Use these pages to review the topic behind this question. This is how one missed question becomes focused revision.

More questions from this exam

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FAQ

Questions learners often ask

What does this SY0-701 question test?

Static NAT maps one inside address to one outside address.

What is the correct answer to this question?

The correct answer is: Isolate the affected server from the network through EDR or switch controls. — The best immediate containment steps are isolating the server and disabling the compromised service account. Isolation stops the encryption and blocks further network propagation from the affected host. Resetting the service account closes a likely path for lateral movement because the attacker appears to be using it to reach other systems. Those actions contain the incident without destroying evidence prematurely. Why others are wrong: Restoring from backup, deleting files, or dismissing the alert all risk worsening the incident. Recovery should wait until containment and evidence collection are complete, and manual cleanup can destroy crucial forensic artifacts. The priority is to cut off the infected server and the compromised credentials it may be using.

What should I do if I get this SY0-701 question wrong?

Then try more questions from the same exam bank and focus on understanding why the wrong options are tempting.

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