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GCDL Practice Question: A solutions architect is explaining why using…
This GCDL practice question tests your understanding of a solutions architect is explaining why using…. Match the stated requirement to the specific cloud service, access model, or configuration option — many options are valid in isolation but not for this scenario. After answering, compare your reasoning against the explanation and wrong-answer breakdown below. Once you have made your selection, read the full explanation to reinforce the concept and understand why each distractor is designed to mislead on exam day.
A solutions architect is explaining why using managed cloud database services (like Cloud SQL or Cloud Spanner) is preferable to running a database on a self-managed virtual machine in most cases. What is the primary operational advantage of managed database services over self-managed databases on VMs?
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
Managed database services automate operational tasks like backups, patching, HA failover, and scaling — freeing engineering teams to focus on application development rather than database administration
This is the core value proposition of managed databases. The cloud provider handles: automated daily backups with point-in-time recovery, OS and database software patching, automatic failover for high availability, and storage scaling. Engineering teams avoid the specialized DBA work required for self-managed databases.
B
Distractor review
Managed databases provide stronger data encryption than self-managed databases on VMs
Both managed and self-managed databases can achieve strong encryption at rest and in transit. Encryption strength is not an inherent advantage of managed services.
C
Distractor review
Managed databases are always significantly cheaper than self-managed databases on VMs
Managed databases often cost more per unit of compute/storage than equivalent self-managed VMs. The trade-off is that managed services eliminate DBA labor costs. Total cost depends on workload and team size.
D
Distractor review
Managed databases guarantee better query performance than self-managed databases for all workload types
Performance depends on workload type, configuration, and query patterns. Self-managed databases on bare metal can outperform managed cloud databases for specific workloads. Performance is not a universal advantage of managed services.
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.
Key takeaway
NAT direction and interface roles matter as much as the IP address mapping. Inside/outside designation controls which traffic is translated.
Related practice questions
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More questions from this exam
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Question 1
A traditional retailer currently maintains its own data centers, purchasing servers every 3–5 years and paying for facilities, power, and staff regardless of demand. When it migrates its workloads to the public cloud, which change in cost model does it experience?
Question 2
An e-commerce company plans its infrastructure for peak shopping events (e.g., Black Friday) which drive 50× normal traffic. On-premises, they must maintain 50× capacity year-round. In the cloud, they provision 50× capacity only during peak periods. Which cloud characteristic enables this cost optimization?
Question 3
Which term describes the process by which organizations integrate digital technology into all areas of their business, fundamentally changing how they operate and deliver value to customers?
Question 4
When a company moves from maintaining its own data center to using Google Cloud, which operational responsibility does Google assume that the company previously managed?
Question 5
A hospital runs a patient records system that must remain on-premises due to strict regulatory data residency requirements. However, they also want to use cloud-based AI for diagnostic imaging analysis. Which cloud deployment model best describes their architecture?
Question 6
What is virtualization in the context of cloud computing, and why is it fundamental to how cloud providers deliver services?
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FAQ
Questions learners often ask
What does this GCDL question test?
Static NAT maps one inside address to one outside address.
What is the correct answer to this question?
The correct answer is: Managed database services automate operational tasks like backups, patching, HA failover, and scaling — freeing engineering teams to focus on application development rather than database administration — Managed database services handle all the operational undifferentiated heavy lifting: automated backups, software patching and upgrades, high availability failover, replication, monitoring, and capacity management. Engineering teams using managed services focus on application logic and data modeling rather than database administration. Self-managed databases on VMs require a dedicated DBA team and ongoing operational investment.
What should I do if I get this GCDL question wrong?
Review the four NAT address types (inside local, inside global, outside local, outside global), PAT port overload, and static vs dynamic NAT use cases. Then practise related GCDL NAT questions on configuration and troubleshooting.
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This GCDL practice question is part of Courseiva's free Google Cloud certification practice question bank. Courseiva provides original exam-style practice questions with explanations, topic-based practice, mock exams, readiness tracking, and study analytics to help learners prepare for the GCDL exam.