40 Questions
What is the Internet composed of?
Millions of interconnected networks
What does the Internet Service Provider (ISP) provide when you buy an internet connection?
A specific internet connection speed
What does bandwidth refer to in an internet connection?
The maximum capacity of an internet connection
Why is the actual speed (throughput) often lower than the maximum bandwidth?
Due to internet traffic
What is latency in the context of internet networks?
The time it takes for data to travel from its source to its destination
What is the impact of lower latency on communication?
It indicates faster data transmission and more responsive communication.
Why does Wi-Fi have more latency compared to a wired Ethernet connection?
Due to the susceptibility to radio interference
What is the effect of having too many applications open at the same time while surfing the internet?
It makes the internet surfing experience slower
What is the benefit of compressing data in improving internet connection?
It allows an internet connection to send more information in the same time
What is the characteristic of Fiber Optics internet?
It's known for its exceptionally high-speed capabilities and reliability
What is the primary advantage of cable networks in terms of data distribution?
Efficient data distribution to a large number of customers
What is the purpose of a splitter in a cable connection?
To route the signal to the television or cable box and the cable modem simultaneously
What is the function of repeaters in fiber-optic cables?
To propel the light pulses farther down the fiber
What is the main difference between single-mode and multi-mode fibers?
Single-mode fibers have a smaller core, while multi-mode fibers have a larger bandwidth
What is the primary function of a cellular network?
To transmit and receive voice signals using radio waves
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 is the main difference between 1G and 2G networks?
2G improved security and enabled transmission of text messages
What is the role of the MTSO in a mobile network?
To store data for mobile SIM cards and connect to many mobile towers
What is the main advantage of the 4G network over the 3G network?
4G is five times faster than 3G
How do mobile phones connect to a mobile network?
By using a SIM card to connect to the mobile network
What is the primary function of the physical layer in the sending node?
Encodes the packets into a suitable medium
What is the role of the session layer in the receiving node?
Holds the parts of the message until it is complete and sends it to the next layer
What is a characteristic of DSL internet connections?
An 'always-on' connection that allows simultaneous internet access and phone use
What is the main function of a DSL splitter?
To separate voice and data signals on a telephone line
What is the purpose of a router in the Internet?
To inspect the request and determine the best path to the destination
What is the main advantage of VDSL over traditional ADSL?
Higher data transfer rates
What is the function of a repeater in networking?
To receive weak or low-power signals, amplify them, and retransmit them
What is the primary function of the data-link layer in the receiving node?
Recalculates the checksum, confirms arrival, and logs in the packets
What is the primary difference between downstream and upstream speeds in cable connections?
Downstream speeds are faster for receiving data
What is the purpose of a cable modem in a cable connection?
To modulate and demodulate signals for digital data transmission
What is the sequence of events when a request is sent over the Internet?
Packets are created, then routed, then sent to the destination, then received and reassembled
What is the function of a bridge in networking?
To link LANs so that data from one network can pass through another network
What is the role of the network layer in the receiving node?
Recounts incoming packets for security
What is the function of a hub in networking?
To link groups of networks so that devices can talk to each other
What is the final step in the process of receiving a message over the Internet?
The message is handed over to the recipient in its original form
What is the primary function of the Application Layer?
To provide network services directly to end-user applications.
What is the purpose of the checksum tests in the Transport Layer?
To determine whether the data was scrambled during transmission.
Which layer is responsible for selecting a route for the message?
Network Layer
What is the main function of the Session Layer?
To establish, manage, and terminate the connections between the local and remote application.
What is the primary responsibility of the Data Link Layer?
To supervise the transmission of the data and confirm the checksum.
Test your knowledge of the basics of the internet, including its definition, speed, and service providers. Learn how the internet is structured and how ISPs provide connectivity. Assess your understanding of the global network of interconnected computers and computer networks.
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