Unit 1: Information Technology Systems - Jan 22

Hazel wants to buy a new laptop. The table shows part of the specification of two laptops that Hazel is considering buying. Which two other storage devices could Hazel use with Laptop B?

• External Hard Drive and USB Flash Drive

• CD-ROM and Floppy Disk

• Blu-ray Disc and Zip Drive

• Tape Drive and Punch Card

What are two drawbacks of using DVDs to share photographs with clients?

• Limited storage capacity and physical degradation over time

• High cost and difficulty in obtaining DVDs

• Incompatibility with modern devices and slow data transfer speeds

• Lack of security features and ease of data corruption

What are two benefits to Hazel and her family of using a wireless local area network (LAN) at home?

• Increased internet speed and reduced data usage

• Ability to share resources and improved mobility

• Enhanced security and lower setup costs

• Access to more online content and better signal strength

What are two methods Hazel could use to prevent family members from accessing client data on her laptop?

• Use strong passwords and enable encryption

• Install antivirus software and use a VPN

• Regularly update software and use a firewall

• Create separate user accounts and use biometric authentication

Why might Hazel be reluctant to allow an IT support technician to access her laptop remotely?

• Concerns about data privacy and security

• Fear of losing control over her device

• Worries about software compatibility issues

• Doubts about the technician's expertise

Laptop A has a 1 TB HDD and Laptop B has a 256 GB SSD. Discuss the characteristics of the two internal storage devices.

• HDDs are generally faster than SSDs but have less storage capacity.

• SSDs are generally faster than HDDs but have less storage capacity.

• HDDs are more expensive than SSDs but offer better performance.

• SSDs are more expensive than HDDs but offer less durability.

HJAC is an accountancy firm with a head office and several regional offices. Staff at the regional offices communicate with head office via video calls over the internet. The quality of the video calls depends on the bandwidth and latency of the broadband connection. Which of the following best describes the terms ‘bandwidth’ and ‘latency’?

• Bandwidth is the amount of data that can be transmitted in a fixed amount of time, while latency is the delay before a transfer of data begins following an instruction.

• Bandwidth is the delay before a transfer of data begins following an instruction, while latency is the amount of data that can be transmitted in a fixed amount of time.

• Bandwidth and latency both refer to the amount of data that can be transmitted in a fixed amount of time.

• Bandwidth and latency both refer to the delay before a transfer of data begins following an instruction.

Which of the following are two factors that can affect bandwidth and latency?

• Network congestion and signal interference

• Data encryption and user authentication

• Hardware compatibility and software updates

• User interface design and color scheme

It is important to keep sensitive data secure during transmission between head office and regional offices. HTTPS is one method of securing data during transmission. Which of the following are ways HTTPS keeps data secure during transmission?

• Encrypts data to prevent eavesdropping

• Authenticates the server to ensure data is sent to the correct destination

• Compresses data to reduce transmission time

• Caches data to improve access speed

HJAC has a Code of Practice, outlining the moral and ethical responsibilities of staff in all areas of the business. The Code of Practice includes guidance on the acceptable use of IT. What guidance should be given to staff on the acceptable use of IT?

• Ensure data privacy and confidentiality

• Use IT resources for personal gain

• Share passwords with colleagues

• Ignore software updates