Cambridge Technicals in IT - Unit 02 - LO1.4

What is the internet?

• A private local network.
• A network of interconnected networks spanning the world.
• A personal communication tool.
• A standalone server network.

Answer explanation

The internet is defined as a global network of interconnected networks.

Which of the following is a type of internet connection?

• Optical fibre.
• Dial-up modem.
• DSL cable.
• Mobile data networks.

Answer explanation

Optical fibre is a high-speed internet connection type.

Which internet connection type is known for its fast speeds and high reliability over long distances?

• Copper cable.
• Optical fibre.
• Satellite.
• Microwave.

Answer explanation

Optical fibre is known for its fast speeds and reliability over long distances.

What is the main disadvantage of satellite internet connections?

• High speed.
• Low range.
• Latency due to distance from satellites.
• High cost.

Answer explanation

Satellite connections experience higher latency due to the long distance signals must travel.

Which internet connection type is typically used in mobile phones for internet access?

• Copper cable.
• Microwave.
• Mobile data networks.
• Fibre optic.

Answer explanation

Mobile data networks like 4G and 5G are commonly used in mobile phones.

What is one of the key characteristics of copper cable internet connections?

• High speed over long distances.
• Low cost but slower over long distances.
• Low cost and extremely fast over long distances.
• Poor performance in all conditions.

Answer explanation

Copper cables are low-cost but have reduced speed over long distances.

Which of the following is an advantage of optical fibre over copper cable?

• Lower cost.
• Higher speed and longer range.
• Easier installation.
• More secure.

Answer explanation

Optical fibre provides faster speeds and longer range than copper cable.

Which internet connection is known for its high mobility?

• Satellite.
• Optical fibre.
• Microwave.
• Mobile data networks.

Answer explanation

Mobile data networks allow users to access the internet while moving.

What is one characteristic of microwave internet connections?

• Long range.
• High speed over short distances.
• High cost.
• Extremely secure.

Answer explanation

Microwave connections offer high speeds but are generally effective only over short distances.

What is the typical speed characteristic of satellite internet?

• Low speed.
• High speed with low latency.
• High speed but high latency.
• Consistent speed with no interruptions.

Answer explanation

Satellite internet can offer high speeds but often has high latency due to signal distance.