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Written practice

Network Design Justification Practice

Write your response first, check it against the checklist, then reveal the model answer.

Task 1: UniFi evidence

Access Point Placement

Scenario

A selected property has a study at the front of the house, bedrooms along one side, a large living area at the back and an alfresco area outside.

Your prompt

Explain how you would justify access point placement in this home.

Self-check

  • Names coverage areas
  • Mentions floorplan evidence
  • Links APs to room use
  • States limitation if wall material is unknown

Task 2: Topology

Domestic Star Topology

Scenario

A high value home needs wired access points, cameras, a home office dock and media devices connected back to a central network cabinet.

Your prompt

Justify the star topology.

Self-check

  • Names central switch/PoE switch
  • Mentions wired devices/APs
  • Explains reliability or troubleshooting
  • Links to domestic installation

Task 3: Security

Guest And IoT Separation

Scenario

The home has guest Wi-Fi, smart speakers, cameras, a NAS and home office laptops.

Your prompt

Recommend two network separation decisions and justify them.

Self-check

  • Names two groups
  • Explains separation purpose
  • Links to privacy/data
  • Avoids vague security wording

Task 4: Protocols

Home Office Email Protocols

Scenario

A home office user accesses email from a laptop, phone and web browser.

Your prompt

Explain why IMAP is more suitable than POP3 in this scenario, and state the role of SMTP.

Self-check

  • Explains IMAP sync/access across devices
  • Explains POP3 limitation
  • States SMTP sends outgoing email
  • Links to home office use