OCR A Level Computer Science (H446) - 1.3.3 Networks

LAN stands for

• Local Area Network
• Large Area Network
• Little Area Network
• Local Analogue Network

What is a characteristic of a LAN?

• Small geographical location such as a school or small office.
• Really cheap to set up.
• Uses less cables than a star.

What does NIC stand for?

• Network Internet Card
• New Internet Creator
• Network Interface Card
• Network Interceptor Card

Which network has the strongest security?

• LAN
• WAN

What is a data collision?

• When two devices on a network transmit data at the same time

• When one device on a network transmits data

• When two devices on a network transmit at separate times

What does TCP stand for?

• Transcript Control Protocol

• Transition Control Protocol

• Transmit Control Protocol

• Transmission Control Protocol

Select the network layer where IP address/Packet Number/Error check is completed.

• Application Layer

• Transport Layer

• Internet Layer

• Link/Physical Layer

When will it be appropriate to use UDP instead of TCP?

• Sending an email

• Sending an image

• Streaming Live

• Sending a music file

One of the advantages of UDP?

• Secure

• Larger

• Smaller

• Faster

Data packets can arrive at different times at the final location?

• True

• False