Harbour Books has a problem
Harbour Books is a made-up bookshop with a back office and a shop floor. The owner gives you a plan and a complaint.
The plan says what should be there. The complaint says what is wrong. You will read one, find the cause of the other and say how to fix it.
By the end of this lesson
Note
I can read a small office plan, find a fault in it and write a fix with a test.
Key words
| Word | What it means |
|---|---|
| Network | devices joined so they can share data |
| Router | a box that joins networks and sends data between them |
| Switch | a box that sends data only to the right port |
| Access point | a box that joins Wi-Fi devices to a wired network |
| IP address | a number that names a device on a network |
| DHCP | a service that gives a device its IP address |
| Firewall | a filter that allows or blocks data by rule |
| Ping | a test that sends a small message and waits for a reply |
The cells students fill in are left blank in this preview.
Starter: what you already know
Have a go
Starter: what you already know
4 questionsYour answers are marked here and are not kept. A college account keeps every student’s marks.
Step 1: read the plan
Harbour Books has one router, one switch and one access point. Two tills and a stock computer are on cables. A card machine and staff phones use Wi-Fi.
Read the plan line by line before you decide anything.
The address list found on the office wall
| Device | Address | Type |
|---|---|---|
| Router | 192.168.20.1 | Static |
| Till 1 | 192.168.20.10 | Static |
| Till 2 | 192.168.20.10 | Static |
| Stock computer | 192.168.20.12 | Static |
| Card machine and phones | 192.168.20.50 to .100 | DHCP |
The cells students fill in are left blank in this preview.
Check
Have a go
Check
4 questionsYour answers are marked here and are not kept. A college account keeps every student’s marks.