40 Questions
What is the Internet composed of?
Millions of interconnected computers and networks
What is Internet bandwidth typically measured in?
Megabits per second (Mbps) or gigabits per second (Gbps)
What refers to the maximum capacity of an internet connection?
Bandwidth
What is the term for the delay or time it takes for data to travel from its source to its destination in a network?
Latency
Why does the actual internet speed often differ from the advertised speed?
Due to internet traffic
What is the primary advantage of lower latency in data transmission?
Faster and more responsive communication
Which of the following factors can contribute to network congestion and increased latency?
Malware interference with network interfaces
What is the primary benefit of boosting bandwidth in an internet connection?
Enhancing the speed and capacity of data transmission
Which of the following internet connection types is known for its exceptionally high-speed capabilities and reliability?
Fiber Optics
What is the purpose of caching data in a special pool of memory?
To quickly fetch frequently repeated data
What is an advantage of using DSL over traditional dial-up connections?
It allows for simultaneous internet access and phone use.
What is the primary function of a DSL Splitter?
To separate the voice and data signals on a telephone line
What is the term 'asynchronous' in ADSL referring to?
The uneven allocation of bandwidth in different directions
What is the main difference between VDSL and ADSL?
VDSL provides faster downstream and upstream speeds than ADSL
What is the primary difference between downstream and upstream speeds in cable connections?
Downstream speeds are for receiving data, while upstream speeds are for sending data
What is the main function of the Application Layer in network communication?
To provide network services directly to end-user applications
Which layer is responsible for subdividing the data into segments and creating checksum tests?
Transport Layer
What is the primary function of the Network Layer in network communication?
To select a route for the message
What is the role of the Data Link Layer in network communication?
To supervise the transmission and confirm the checksum
Which layer is responsible for compressing and encrypting the data?
Presentation Layer
What is a characteristic of cable networks that allows for efficient data distribution to a large number of customers?
Broadcasting the same signal to all customers in a particular area
What is the purpose of a splitter in a cable connection?
To route the signal to the cable modem for internet access
How do repeaters function in fiber-optic cables?
They amplify the light signal to maintain its strength over long distances
What is the main advantage of single-mode fibers over multimode fibers?
They have a larger bandwidth and can cover greater distances with fewer errors
What is the shape of the cells in a cellular network?
Hexagonal
What is the primary function of a SIM card in a mobile network?
To store identification information and connect to a specific mobile network
What was the major limitation of the 1G network?
It was unreliable and had security issues
What was introduced in the 2G network that was not available in the 1G network?
Transmission of text messages
How many times faster is the 4G network compared to the 3G network?
Five times
What is the primary function of the physical layer in a network?
Encodes the packets into the medium that will carry them
What is the term for the location where the data for mobile SIM cards is stored?
Mobile Tower Switching Office (MTSO)
What is the purpose of the router in a network?
To determine the best path to send the request to the proper destination
What is the function of the data-link layer in a network?
Recalculates the checksum and confirms arrival
What is the purpose of the repeaters in a network?
To receive weak or low-power signals and amplify them
What is the primary function of the gateway in a network?
To translate data between different types of networks
What is the primary function of the network layer in a network?
Recounts incoming packets for security
What is the primary function of the session layer in a network?
Holds the parts of the message until it is complete
What is the primary function of the application layer in a network?
Converts the bits into readable characters
What is the primary function of the bridge in a network?
To link LANs so that data from one network can pass through another network
What is the primary function of the hub in a network?
To link groups of networks together
Test your knowledge of the internet, its definition, and internet speed. Learn how internet service providers (ISPs) work and how to choose the right internet connection for your needs.
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