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GCDL Practice Question: A telecommunications company has completed a…
This GCDL practice question tests your understanding of a telecommunications company has completed a…. 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 telecommunications company has completed a cloud migration but finds that its business agility — the speed at which it can launch new products — has not improved. An analysis reveals that while the infrastructure is now cloud-based, the software development and release processes remain unchanged: quarterly release cycles, lengthy change approval boards, and manual testing. What does this situation illustrate?
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
Cloud infrastructure adoption without modernizing software delivery practices (CI/CD, automated testing, continuous deployment) does not unlock agility; the delivery process is the bottleneck
This is the core lesson. Cloud is an enabler of agility, not a guarantor. Without automated CI/CD pipelines, continuous testing, and frequent deployment cadences, quarterly releases persist regardless of whether code runs on cloud or on-premises VMs. DevOps practices and cloud infrastructure must be adopted together.
B
Distractor review
Quarterly release cycles are appropriate for telecommunications products that require extensive regulatory testing, and the lack of agility is not a problem
Even regulated industries benefit from more frequent, smaller releases with automated compliance testing. Quarterly cycles are not inherently required by regulation; they reflect process choices that can be modernized.
C
Distractor review
The company must rebuild all applications as microservices before cloud can provide agility benefits
Microservices architecture can support agility but is not required. Many organizations achieve significant deployment frequency improvements with monolithic applications by improving CI/CD practices. Architecture is separate from delivery process.
D
Distractor review
The company chose the wrong cloud provider; a different provider's infrastructure would enable faster releases
The bottleneck is the software delivery process, not the infrastructure provider. Any cloud provider's infrastructure would face the same constraint from quarterly release cycles and manual testing.
Common exam trap
Common exam trap: an active trunk can still block the VLAN you need
A trunk being up does not prove every VLAN is crossing it. Check allowed VLAN lists, native VLAN mismatch, VLAN existence and access-port assignment.
Technical deep dive
How to think about this question
VLAN questions usually combine access-port and trunking clues. The key is to identify whether the issue is local to one switchport, caused by the trunk, or caused by the VLAN not existing where it needs to exist.
KKey Concepts to Remember
- Access ports place end devices into a single VLAN.
- Trunk ports carry multiple VLANs between switches.
- Allowed VLAN lists decide which VLANs can cross a trunk.
- Native VLAN mismatch can create confusing symptoms.
TExam Day Tips
- Use show vlan brief to verify access VLANs.
- Use show interfaces trunk to verify trunk state and allowed VLANs.
- Do not treat every same-VLAN issue as a routing problem.
Key takeaway
A trunk being up does not mean the VLAN is allowed across it. Always verify the allowed VLAN list and whether the VLAN exists on both switches.
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?
Access ports place end devices into a single VLAN.
What is the correct answer to this question?
The correct answer is: Cloud infrastructure adoption without modernizing software delivery practices (CI/CD, automated testing, continuous deployment) does not unlock agility; the delivery process is the bottleneck — This illustrates that cloud infrastructure adoption without changing software delivery practices provides limited agility benefits. Cloud's agility potential is unlocked by complementary practices: CI/CD pipelines, automated testing, trunk-based development, and feature flags that enable continuous delivery. Quarterly release cycles with manual testing create the same bottleneck regardless of whether the infrastructure is on-premises or in the cloud.
What should I do if I get this GCDL question wrong?
Review VLAN allowed lists, native VLAN mismatch detection, and how to verify VLAN membership with show vlan brief and show interfaces trunk. Then practise related GCDL questions on switching, trunking, and access-port configuration.
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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.