Question 1hardmultiple choice
Full question →hardmultiple choiceObjective-mapped
A team stores sensitive archives on cloud block storage. The provider already encrypts disks at rest, but the company wants copies of the disks to remain unreadable even if a cloud administrator can snapshot and mount the volume. Which control is best?
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
Distractor review
Enable provider-managed encryption at rest only and rotate the storage passwords monthly.
Provider-managed encryption is helpful, but it still assumes trust in the provider's control plane and administrators.
B
Best answer
Use client-side encryption before upload and keep the keys in an external HSM or key service.
Client-side encryption protects the data before it reaches the provider, so copied storage remains ciphertext without the key.
C
Distractor review
Place the storage account in a private subnet and block all Internet access.
Network isolation helps connectivity, but it does not protect data copied from snapshots or mounted disks.
D
Distractor review
Rely on immutable snapshots and versioning to prevent unauthorized access.
Immutability helps recovery and tamper resistance, but it does not encrypt the contents against administrative access.
Common exam trap
Common exam trap: usable hosts are not the same as total addresses
Subnetting questions often tempt you into counting all addresses. In normal IPv4 subnets, the network and broadcast addresses are not usable host addresses.
Technical deep dive
How to think about this question
Subnetting questions test whether you can identify the network, broadcast address, usable range, mask and correct subnet. Slow down enough to calculate the block size correctly.
KKey Concepts to Remember
- CIDR notation defines the prefix length.
- Block size helps identify subnet boundaries.
- Network and broadcast addresses are not usable hosts in normal IPv4 subnets.
- The required host count determines the smallest suitable subnet.
TExam Day Tips
- Write the block size before choosing the subnet.
- Check whether the question asks for hosts, subnets or a specific address range.
- Do not confuse /24, /25, /26 and /27 host counts.
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More questions from this exam
Keep practising from the same exam bank, or move into a focused topic page if this question exposed a weak area.
Question 1
A laptop is suspected of being used in a malware incident. It is still powered on and connected to Wi-Fi. What should the responder do before shutting it down?
Question 2
An employee reports a ransomware note on a file server. The server is still powered on, shares are still being accessed, and management wants service restored as quickly as possible. What should the incident response team do first?
Question 3
An employee reports a ransomware note on a finance laptop. The laptop is still powered on, connected to Wi-Fi, and the user says they were just working in a spreadsheet. Management wants the fastest safe response that also preserves evidence. What should the responder do first?
Question 4
You are handed a company laptop suspected in an insider theft case. Legal says the evidence may be needed in court. Which action best preserves admissibility?
Question 5
A developer wants to reduce the risk of SQL injection in a new customer search form. Which two changes are the best mitigations? Select two.
Question 6
A branch office uses a flat LAN, and a compromise on one user workstation could spread quickly to finance systems. Management wants finance workstations isolated from general users, but finance staff still need access to a central finance application and network printer. What is the best design change?
FAQ
Questions learners often ask
What does this SY0-701 question test?
CIDR notation defines the prefix length.
What is the correct answer to this question?
The correct answer is: Use client-side encryption before upload and keep the keys in an external HSM or key service. — Client-side encryption is the strongest choice because the data is encrypted before it leaves the organization’s control. Even if a cloud administrator can copy, snapshot, or mount the storage, the contents remain unreadable without the external key material. Keeping keys in an HSM or separate key service also improves separation of duties and reduces the chance that cloud-side administrative access can decrypt the archive. Why others are wrong: Provider-managed encryption at rest is useful, but it still relies on the provider’s trust boundary. Private networking does not stop a copied disk from being read offline. Immutable snapshots and versioning protect availability and integrity, but they are not confidentiality controls and do not solve the administrative-access risk described in the scenario.
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.
Discussion
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