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GCDL Practice Question: A company architect is explaining cloud network…
This GCDL practice question tests your understanding of a company architect is explaining cloud network…. Read the scenario carefully and evaluate each option against the stated constraints before committing to an answer. 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 company architect is explaining cloud network connectivity options to executives. She distinguishes between using the public internet to connect to cloud services versus using a dedicated private connection. What is the primary advantage of a dedicated private connection over the public internet for enterprise workloads?
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
Dedicated connections are always free, while public internet connections incur data transfer charges
Dedicated connections are not free — they involve significant costs for port fees and provisioning. However, they can reduce egress costs at high data volumes while providing superior performance.
B
Best answer
Dedicated private connections provide consistent, predictable bandwidth and lower latency by bypassing public internet congestion and variable routing
This is the primary advantage. By using a private circuit that doesn't traverse the public internet, enterprises get guaranteed bandwidth, predictable latency, and a more reliable connection — critical for applications like database replication, real-time analytics, or mission-critical transactional workloads.
C
Distractor review
Dedicated connections provide stronger encryption because the public internet uses no encryption
The public internet supports strong encryption (TLS/HTTPS). The advantage of dedicated connections is performance and reliability, not encryption strength.
D
Distractor review
Public internet connections have higher bandwidth limits than dedicated connections
Dedicated connections support very high bandwidth (10 Gbps to 100 Gbps). Consumer internet connections have far lower bandwidth compared to enterprise dedicated circuits.
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.
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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: Dedicated private connections provide consistent, predictable bandwidth and lower latency by bypassing public internet congestion and variable routing — Dedicated private connections (like Google Cloud's Dedicated Interconnect or Partner Interconnect) bypass the public internet entirely, providing consistent, predictable bandwidth with lower latency and a more stable path between on-premises and cloud resources. The public internet is subject to congestion, variable routing, and unpredictable latency — unsuitable for latency-sensitive or bandwidth-intensive enterprise workloads.
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.