Advantages and Disadvantages of Cloud Computing

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What is one of the advantages of cloud storage?

Better range and security for wireless networking

Lower cost for large storage capacity

Access anywhere at any time with a device and internet (correct)

Faster data transfer rates

What is a disadvantage of cloud storage?

It is free for high upload and download data

It is affected by slow or unstable internet (correct)

It offers remote backup and data recovery

It provides almost unlimited data storage

What technology do Bluetooth and Wifi use to avoid interference?

Spread spectrum technology (correct)

Electromagnetic radiation

Radio wave transmission

Frequency modulation

What is a characteristic of Wifi compared to Bluetooth?

It has a longer range and faster data transfer rates Signup and view all the answers

What is the purpose of satellites in communication?

To receive and transmit data in Earth's orbit Signup and view all the answers

What happens if a cloud storage company fails?

All backup data may be lost Signup and view all the answers

What is the primary function of a Repeater in a network?

To boost signal in a hub before sending to all devices Signup and view all the answers

What is the main difference between a Bridge and a Router?

A Bridge connects LANs with same protocol, while a Router connects LANs with different protocols Signup and view all the answers

What is the purpose of a Network Interface Card (NIC)?

To allow connection to a network with a unique MAC address Signup and view all the answers

What is the primary function of a Wireless Access Point (WAP)?

To allow a device to access a LAN without a wired connection Signup and view all the answers

How do computers on the same network resolve data packet delivery?

Using the MAC address of the destination computer Signup and view all the answers

What is the purpose of CSMA/CD in Ethernet?

To resolve collision in a network Signup and view all the answers

What is the main characteristic of bit streaming in video transmission?

Transmitting a contiguous sequence of digital bits Signup and view all the answers

What is the purpose of buffering in bit streaming?

To preload the video before playback Signup and view all the answers

What happens when transmission from the server to the buffer is slower than the buffer to the media player?

Lags occur during playback Signup and view all the answers

What is the main difference between on-demand streaming and real-time streaming?

On-demand streaming allows for pause and rewind, while real-time streaming does not Signup and view all the answers

What is the purpose of the transmission control protocol (TCP)/internet protocol (IP) in the internet?

To enable communication between devices on the internet Signup and view all the answers

What is the main characteristic of a hybrid livestream?

A live broadcast that allows for pause and rewind Signup and view all the answers

What happens when the top glass layer of a capacitive touch screen is touched?

The coordinates where the screen was touched are determined by an on board microprocessor. Signup and view all the answers

Which type of touch screen technology allows for multi-touch capability?

Capacitive touch screen Signup and view all the answers

What is a drawback of resistive LCD touch screens?

Screen visibility is poor in strong sunlight. Signup and view all the answers

What is a benefit of capacitive touch screens?

Screen visibility is good even in strong sunlight. Signup and view all the answers

What is a feature of capacitive touch screens?

Allows use of bare fingers only as the form of input. Signup and view all the answers

What is a benefit of resistive LCD touch screens?

Relatively inexpensive technology. Signup and view all the answers

What is one of the primary reasons for having ethics in computer use?

To help stop the misuse of computers and keep users safe Signup and view all the answers

Why is it important for professionals to join a professional ethical body?

To have a set of guidelines to follow, ensuring standards and reputation Signup and view all the answers

What is the primary goal of IEEE's ethical initiatives?

To raise awareness of ethical issues and promote ethical behavior Signup and view all the answers

What is one of the benefits of joining a professional ethical body, such as the BCS?

Help and support, including legal services Signup and view all the answers

What is the purpose of the BCS code of conduct?

To provide guidelines for professionals to follow Signup and view all the answers

Why is it important for professionals to follow ethical guidelines?

To ensure clients and staff know the standards being followed Signup and view all the answers