Data Science 1&6 4th 9 Weeks Test

In binary encoding, what is the term used to describe the smallest unit of information?

• Bit

• Pixel

• Byte

• Character

What distinguishes a WAN from a LAN?

• WANs are always wireless, while LANs are wired

• LANs offer higher security compared to WANs

• WANs typically cover larger geographical areas than LANs

• LANs are more cost-effective to set up and maintain than WANs

In networking, what is a packet?

• A. A unit of data that is transmitted over a network

• B. A physical device used to connect computers in a network

• C. A protocol used for securing data transmission over the internet

• D. A software application used for browsing web pages

Which networking protocol is used for converting domain names into IP addresses?

• TCP

• UDP

• HTTP

• DNS

In the RGB color model, what combination of red, green, and blue values would produce a white pixel?

• 0, 0, 0

• 255, 255, 255

• 128, 128, 128

• 0, 255, 0

What is the main reason for the development and adoption of IPv6?

• IPv6 offers improved security features

• IPv6 provides faster internet speeds

What is the main advantage of UDP over TCP?

• UDP provides error checking and retransmission of lost packets

• UDP offers a secure, encrypted communication

• UDP is faster and more efficient for real-time applications

• UDP guarantees the delivery of packets in the correct order

What is a pixel?

• A. A single binary value

• B. A type of graphical user interface

• C. The smallest element of a digital image

• D. A file format to save entire digital images

What is the purpose of fault tolerance in networking?

• To minimize the impact of network failures and ensure continuous operation

• To prevent unauthorized access to network resources

• To ensure that network devices have high processing power

• To optimize network performance by prioritizing data traffic

Which layer of the OSI model is responsible for routing and labeling each packet with the sender and recipient’s IP address?

• Transport layer

• Network layer

• Data Link layer

• Presentation layer