PTE Academic Write Essay · Problem and solution

Smart City Infrastructure: Balancing Innovation and Privacy

A high-scoring sample essay with the plan behind it, the vocabulary that lifts it, and what the scoring traits reward.
  • 281 words
  • Problem and solution
  • intermediate
  • 20 minutes

The prompt

Cities around the world are investing in smart infrastructure, including sensors, data networks, and automated systems, to improve urban living. While smart city technologies promise efficiency, some residents are concerned about privacy and data security. What problems might arise from smart city infrastructure, and how can they be addressed?

20 minutes. Write 200 to 300 words. A BandLadder practice prompt, not a recalled exam question.

Problem and solution

Plan before you write

  1. 1

    Position

    While smart city infrastructure enhances operational efficiency, it introduces significant risks regarding data privacy and cybersecurity that must be mitigated through robust regulation.

  2. 2

    Paragraph 2

    The primary concern involves the erosion of individual privacy due to pervasive surveillance systems.

  3. 3

    Paragraph 3

    Cybersecurity vulnerabilities pose a secondary threat that requires proactive legislative and technical solutions.

  • →Name one or two specific problems, not a general complaint.
  • →Match each solution to a problem and say who would carry it out.
  • →Keep problems and solutions in separate paragraphs so the structure is visible.

Model answer

Sample essay

High-scoring sample281 words. Use the structure and vocabulary, not the sentences: PTE flags memorised templates.

The rapid integration of smart infrastructure in urban environments offers unprecedented benefits, such as optimized traffic management and energy conservation. However, this technological evolution raises profound concerns regarding the sanctity of personal privacy and the integrity of digital security. This essay will examine these challenges and propose regulatory and technical frameworks to ensure that urban innovation does not compromise individual rights.

The most pressing issue is the pervasive nature of data collection. Smart cities rely on ubiquitous sensors and cameras that monitor public spaces, often tracking the movements and activities of citizens without their explicit consent. For example, facial recognition systems deployed for public safety can be repurposed for unauthorized mass surveillance, leading to a loss of anonymity in public life. This continuous data harvesting creates a digital footprint that is susceptible to misuse by both private entities and state actors.

Furthermore, the interconnected nature of smart systems introduces severe cybersecurity risks. As critical infrastructure—ranging from power grids to water management—becomes linked to centralized data networks, it becomes a lucrative target for cyberattacks. A breach in these systems could lead to catastrophic service disruptions or the theft of sensitive personal information. To address these vulnerabilities, governments must mandate stringent encryption standards and implement decentralized data storage solutions that limit the potential impact of a single system compromise.

In conclusion, while smart technology is essential for the sustainable growth of modern cities, it must be balanced with rigorous ethical oversight. By establishing clear legal boundaries for data usage and investing in resilient cybersecurity architecture, planners can foster safer and more efficient urban environments. Ultimately, technological progress should serve the public interest without sacrificing the privacy of the citizens it aims to protect.

Scoring traits

Why this scores well

This essay scores highly on linguistic range by utilizing complex sentence structures and precise vocabulary to maintain a formal register. The most common mistake on this prompt is failing to provide specific, actionable solutions, resulting in a superficial response that lacks development.

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8 words

Vocabulary from the essay

  • ubiquitous

    found everywhere or present at all times

  • sanctity

    the state of being very important or holy

  • unprecedented

    never having happened or existed in past

  • pervasive

    spreading widely throughout an area or group

  • lucrative

    producing a great deal of financial profit

  • mitigated

    made less severe, serious, or painful

  • oversight

    the action of providing supervision for activities

  • resilient

    able to recover quickly from difficult conditions

See also the Write Essay guide.

Frequently asked questions

How long should a PTE essay be?+

Between 200 and 300 words; outside that range the form score drops to zero. This sample is 281 words, written for the 20-minute limit.

What type of essay is this?+

Problem and solution. Name one or two specific problems, not a general complaint.

What does PTE reward in the essay?+

This essay scores highly on linguistic range by utilizing complex sentence structures and precise vocabulary to maintain a formal register. The most common mistake on this prompt is failing to provide specific, actionable solutions, resulting in a superficial response that lacks development.

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