Review Intro to java

What is the speed at which all electronic signals travel?

• 100,000 miles per second

• 186,000 miles per second

• 250,000 miles per second

• 300,000 miles per second

What determines the perceived speed of a communication channel?

• Type of device

• Signal processing

• Bandwidth

• Distance

Which of the following has the highest speed among these options?

• ADSL Line

• WiFi 802.11b

• Fiber Optics

• Coaxial Cable

What is the speed of WiFi 802.11n?

• 11 Mbps

• 54 Mbps

• 600 Mbps

• 1 Gbps

Which factor is NOT directly considered when choosing a communication technology?

• Speed

• Cost

• Device aesthetics

• Reliability

What is the minimum speed required for streaming video?

• 256 Kbps

• 500 Kbps

• 1 Mbps

• 1.5 Mbps

How much bandwidth is recommended for streaming 1080p HD video?

• 1 Mbps

• 3 Mbps

• 5-8 Mbps

• 25 Mbps

What is the main disadvantage of coaxial cable compared to fiber optics?

• Slower speeds

• Higher cost

• Unreliability

• Limited compatibility

What do virtually all wireless technologies use?

• Infrared signals

• Radio waves

• Light waves

• Ultrasonic waves

Which wireless technology is designed for short-range, high-speed communication?

• Cellular

• WiFi

• Bluetooth

• Fiber Optics