5 exercises on infrastructure key phrases. Choose the most natural and professional option.
0 / 10 completed
1 / 10
Your application is running out of RAM on the current cloud instance and performance is degrading. Which phrase best describes the situation in a technical discussion?
"We're hitting the memory ceiling on this instance" is the precise technical phrase for RAM exhaustion on a specific compute instance. "Memory ceiling" is widely understood in cloud and ops discussions — it pinpoints RAM as the bottleneck and "this instance" scopes it to the current machine, implying an upgrade or horizontal scaling is needed. Option A ("server is broken") is vague and alarmist. Option B ("slow today") is imprecise and doesn't identify the root cause. Option D ("database is down") is a completely different problem. Precise problem naming is critical in infrastructure discussions to steer the team towards the right solution.
2 / 10
Your team is over-provisioned — you're paying for large instances but utilisation is consistently under 20%. What recommendation do you make?
"I'd recommend right-sizing the cluster" is the standard cloud cost optimisation phrase. "Right-sizing" means matching instance type and count to actual resource consumption — moving to smaller or fewer instances when utilisation is low. It is a formal recommendation category used by AWS, GCP, and Azure cost management tools. Option B ("add more servers") is the opposite of what's needed and increases waste. Option C ("scale up") means moving to larger instances, which again increases cost. Option D ("load balancer") solves a different problem — distributing traffic, not reducing over-provisioned capacity.
3 / 10
A stakeholder asks why last month's cloud bill was higher than expected. You need to explain the spend breakdown. Which phrase opens that discussion correctly?
"The cost breakdown is..." is the professional phrase for presenting a structured, line-item analysis of cloud expenditure. It signals that you have data organised by service, resource type, or environment (e.g., compute, storage, data transfer). This phrase sets up a clear and analytical conversation. Option A ("it's complicated") is evasive and loses stakeholder confidence. Option B ("overspent on everything") is imprecise and alarming without actionable detail. Option C ("billing is automatic") is factually true but completely dodges the question. Cloud cost governance requires precise, data-driven language — "breakdown" is the right term.
4 / 10
You are presenting a cost optimisation proposal that involves switching from on-demand cloud instances to a committed-use pricing model. Which phrase best summarises the saving?
"We could save X% by moving to reserved instances" is the standard phrase for presenting Reserved Instance (RI) or Committed Use Discount (CUD) proposals. It is quantified, action-oriented, and uses the correct cloud-native terminology. Reserved instances (AWS), committed use discounts (GCP), and reserved capacity (Azure) all refer to this pricing model — paying upfront or committing for 1-3 years in exchange for significant discounts (often 30-70%). Options A and C are problem statements, not solutions. Option D (vendor negotiation) is a separate strategy and does not describe the RI model. Always quantify savings proposals with a percentage or dollar figure.
5 / 10
During a multi-region deployment discussion, you need to justify choosing a specific AWS/GCP region for your primary workload. Which statement is most professionally precise?
"This region has better latency for our users" is the correct technical justification for region selection from a user-experience perspective. Latency — the round-trip time between a user's device and the server — is the primary performance metric for region placement decisions. It is measurable, user-centric, and directly tied to business impact. Option A ("newer") is irrelevant to performance or cost decisions. Option B ("popular") is not a technical criterion. Option D ("more services") is sometimes valid but does not speak to user-facing performance. In infrastructure discussions, latency data (e.g., from cloudping.info or traceroute) is the gold standard for region justification.
6 / 10
Reviewer: 'This code is using a large instance. Are you sure this is necessary?'> Developer: 'We need the full capacity for peak loads.' Which phrase best captures the developer's justification in a concise, technical manner?
The key here is understanding the *reasoning* behind using a large instance. Option 3 correctly frames the developer's thinking – anticipating growth and proactively scaling. Options 1 & 2 are too specific about current utilization, while option 4 leans into general capacity without addressing the core justification.
7 / 10
Team Lead (to Alex): 'We're seeing a spike in API calls to the database. What's going on?' Alex: 'The server is throttling requests due to exceeding its capacity limits.' Which phrase best represents Alex's explanation, suitable for a quick update in a Slack channel?
This question tests understanding of capacity limits. Option 2 accurately describes the situation – overload due to exceeding server capacity. Options 1 and 3 shift the blame or suggest a different problem. While investigating is important, immediately stating 'overloaded' provides the clearest technical explanation.
8 / 10
You're writing the description for a pull request that includes upgrading to a larger EC2 instance. The goal is to improve performance during peak times. Which phrase best summarizes the change and its intended outcome in the PR description?
This question focuses on clear and concise communication in a PR description. Option 3 directly states the *reason* for the change – increased processing power to handle higher loads during peak usage. The other options are too vague or focus solely on the outcome without explaining the underlying technical decision.
9 / 10
During a daily stand-up meeting, you're reporting on your infrastructure work. You've moved to using serverless functions for the new feature. Which phrase best describes this change in a succinct update suitable for a team stand-up?
Stand-up updates need to be brief and focused on the *what* and *why*. Option 2 clearly states the shift from servers to serverless – the core technical change. The other options detail secondary benefits or approaches, which are less relevant for a quick stand-up update.
10 / 10
You're receiving the following API response from a cloud monitoring service: `{"metric": "CPU Utilization", "value": "98.5", "timestamp": "2024-10-27T10:00:00Z"}`. A colleague asks, 'What does this mean?' Which phrase best explains the response to a non-technical team member?
Understanding API responses requires translating technical data into understandable terms. Option 3 correctly interprets a 98.5% CPU utilization as 'consistently high,' implying potential problems like performance degradation or the need for scaling. Options 1 and 2 are misleading; option 4 is an overreaction.
What will I practise in "Infrastructure Discussions: Cloud, Servers & Capacity Phrases"?
This module focuses on Phrasebook — real workplace phrasing you'll use on the job. It contains 10 scenario-based multiple-choice questions with instant feedback.
Is this exercise free to use?
Yes. Every exercise on CoderSlingo, including this one, is free to use with no account or sign-up required.
How many questions does this exercise have?
This module includes 10 questions. Each one gives an immediate right/wrong result plus a full explanation of the correct phrasing.
What happens if I answer a question incorrectly?
You'll see the correct answer highlighted straight away, along with a plain-English explanation of why it's right and why the other options don't fit — mistakes are part of the learning here.
Can I retry the exercise if I want a better score?
Yes — use the 'Try again' button on the results screen to reset your score and go through the questions again. There's no limit on attempts.
Who is this Phrasebook exercise for?
It's aimed at IT professionals with working English who want to sound more natural and precise around phrasebook — useful whether you're preparing for real conversations at work or just building confidence with the vocabulary.
Do I need an account to track my progress?
No account is needed. Your progress through the exercise is tracked locally in your browser for the current session, and you can replay the module at any time.
How is this different from reading a blog article?
This exercise is an interactive drill that tests and reinforces specific phrasing through multiple-choice questions with instant feedback, while blog articles explain concepts and vocabulary in prose. The two work well together.
Where can I find more Phrasebook exercises?
See the Phrasebook hub for more modules like this one, or browse the full Exercises page for other IT-English topics.
Can I complete this exercise on my phone?
Yes — every exercise on CoderSlingo is fully responsive and works on phones and tablets, so you can practise anywhere.