Lesson 1.3.2
1.3.2 Wired and wireless networks, protocols and layers Quiz: OCR Computer Science, Unit 3
20 questions
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Lesson 1.3.2, Wired and wireless networks, protocols and layers: 20 multiple choice questions for the OCR GCSE Computer Science (J277), Unit 3: Computer networks, connections and protocols, written with Revision Ninja.
Host it live on the board and students join with a game code on their own devices, or revise alone with Free Play. The answers are revealed in the game.
The 20 questions
-
What is the primary function of an IP address on a network?
- Device identification
- Cable testing
- Packet framing
- Hardware encryption
-
Which type of address is hardcoded into network interface hardware by the manufacturer?
- IPv4 address
- MAC address
- IPv6 address
- URL address
-
What format is used for standard IPv4 addresses?
- Binary bytes only
- Four denary numbers
- Four hex pairs
- Six hex groups
-
What format is used for standard IPv6 addresses?
- Eight hex groups
- Six decimal blocks
- Four denary numbers
- Two binary bytes
-
Which of these is a wired connection type?
- Wi-Fi
- Infrared
- Ethernet
- Bluetooth
-
What defines a network protocol?
- Hardware standard
- Cable length
- Communication rules
- Voltage level
-
What security feature does HTTPS add to standard HTTP?
- Authentication
- Compression
- Encryption
- Routing
-
Which protocol is used to send emails between mail servers?
- IMAP
- SMTP
- FTP
- POP3
-
Which network connection is most suitable for a fixed desktop computer in a lab?
- Infrared
- Wired Ethernet
- Wi-Fi
- Bluetooth
-
What is a key benefit of wireless connections for portable devices?
- Higher speed
- Mobility
- No MAC address
- Zero interference
-
Which connection is most suitable for linking a wireless keyboard to a computer over a short range?
- Bluetooth
- Wi-Fi network
- Fibre optic line
- Ethernet cable
-
Why is data encrypted when transmitted over a wireless network?
- To increase speed
- To compress files
- To prevent reading
- To reduce noise
-
An email client must download messages from a server and keep them on the server. Which protocol is most suitable?
- FTP
- SMTP
- IMAP
- POP
-
A user downloads a large file from a server to their computer. Which protocol is most suitable?
- IMAP
- POP
- SMTP
- FTP
-
What is the main advantage of organising protocols into layers?
- Independent changes
- Shorter cables
- Faster CPU
- Lower cost
-
A user requests a web page in a browser. Which protocol is used to request and transfer the page?
- IMAP only
- FTP only
- HTTP or HTTPS
- SMTP only
-
Why are wired connections chosen over wireless for server rooms?
- Easier setup
- Better portability
- Higher reliability
- Lower cost
-
What is the primary advantage of IPv6 over IPv4?
- More addresses
- Simpler format
- Faster routers
- Shorter headers
-
Which identifier is used to deliver data to a specific device on the same local network?
- URL
- MAC address
- Protocol name
- Domain name
-
What allows hardware from different manufacturers to communicate successfully?
- Same brand
- Shared power
- Network standards
- Identical CPU
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