OCR J277 1.3

Interactive Network Workbook

Instructions

This assessment uses interactive techniques to test deeper understanding. You cannot guess your way through. Complete all 5 Tasks below and click "Submit Assessment" at the bottom.

Task 1: The DNS Process

4 Marks

Drag and drop the steps below into the correct chronological order (1 to 4) for accessing a website.

DNS Server looks up the URL in its database to find the IP.
Browser requests the IP address of the URL from the DNS Server.
Browser sends a request to the Web Server using the IP address.
DNS Server returns the IP address to the browser.

Task 2: Hardware Definitions

4 Marks

Drag the hardware component from the left into the correct definition box on the right.

Router
Switch
NIC
WAP

Allows a device to connect to a network. Contains MAC address.

Connects devices on a LAN. Sends data ONLY to the intended recipient.

Connects different networks (e.g. LAN to WAN). Routes packets.

Converts data from wired cables into wireless radio waves.

Task 3: Visual Analysis

2 Marks

Analyze the Star Topology below. Click directly on the component that represents the Single Point of Failure.

PC A PC B PC C PC D Switch

Click to select...

Task 4: Network Models

6 Marks

Classify each statement as either Client-Server (CS) or Peer-to-Peer (P2P).

1. Files are backed up centrally by an administrator.
2. Easy to set up; no expensive server hardware needed.
3. Security is managed individually by each user.
4. Requires specialist staff to maintain the network.
5. All computers are equal (peers).
6. Software updates are pushed out centrally to all devices.

Task 5: Cloud Computing

4 Marks

Select ALL statements that are valid DISADVANTAGES of using Cloud Storage.