Podcast
Questions and Answers
The Internet is a computer network that interconnects billions of computing devices throughout the world. In Internet jargon, all of the devices that are connected to the Internet are called ______ or end systems.
The Internet is a computer network that interconnects billions of computing devices throughout the world. In Internet jargon, all of the devices that are connected to the Internet are called ______ or end systems.
hosts
In our discussion, we’ll use the public ______, a specific computer network, as our principal vehicle for discussing computer networks and their protocols. But what is the ______.
In our discussion, we’ll use the public ______, a specific computer network, as our principal vehicle for discussing computer networks and their protocols. But what is the ______.
Internet
First, we can describe the nuts and bolts of the ______, that is, the basic hardware and software components that make up the ______. Second, we can describe the ______ in terms of a networking infrastructure that provides services to distributed applications.
First, we can describe the nuts and bolts of the ______, that is, the basic hardware and software components that make up the ______. Second, we can describe the ______ in terms of a networking infrastructure that provides services to distributed applications.
Internet
Not too long ago, these computing devices were primarily traditional desktop computers, Linux workstations, and socalled ______ that store and transmit information such as Web pages and e-mail messages.
Not too long ago, these computing devices were primarily traditional desktop computers, Linux workstations, and socalled ______ that store and transmit information such as Web pages and e-mail messages.
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Increasingly, however, users connect to the Internet with ______ and tablets—today, close to half of the world’s population are active mobile Internet users with the percentage expected to increase to 75% by 2025 [Statista 2019].
Increasingly, however, users connect to the Internet with ______ and tablets—today, close to half of the world’s population are active mobile Internet users with the percentage expected to increase to 75% by 2025 [Statista 2019].
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The term computer network is beginning to sound a bit ______, given the many nontraditional devices that are being hooked up to the Internet
The term computer network is beginning to sound a bit ______, given the many nontraditional devices that are being hooked up to the Internet
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By some estimates, there were about 18 billion devices connected to the Internet in 2017, and the number will reach 28.5 billion by ______
By some estimates, there were about 18 billion devices connected to the Internet in 2017, and the number will reach 28.5 billion by ______
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End systems are connected together by a network of communication links and ______ switches
End systems are connected together by a network of communication links and ______ switches
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Different links can transmit data at different rates, with the transmission rate of a link measured in ______/second
Different links can transmit data at different rates, with the transmission rate of a link measured in ______/second
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When one end system has data to send to another end system, the sending end system segments the data and adds header bytes to each ______
When one end system has data to send to another end system, the sending end system segments the data and adds header bytes to each ______
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A packet switch takes a packet arriving on one of its incoming communication links and forwards that packet on one of its outgoing communication ______
A packet switch takes a packet arriving on one of its incoming communication links and forwards that packet on one of its outgoing communication ______
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Link-layer switches are typically used in access networks, while routers are typically used in the network ______
Link-layer switches are typically used in access networks, while routers are typically used in the network ______
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The sequence of communication links and packet switches traversed by a packet from the sending end system to the receiving end system is known as a route or ______ through the network
The sequence of communication links and packet switches traversed by a packet from the sending end system to the receiving end system is known as a route or ______ through the network
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End systems access the Internet through Internet Service Providers (ISPs), including residential ISPs such as local cable or telephone companies; corporate ISPs; university ISPs; ISPs that provide WiFi access in airports, hotels, coffee shops, and other public ______
End systems access the Internet through Internet Service Providers (ISPs), including residential ISPs such as local cable or telephone companies; corporate ISPs; university ISPs; ISPs that provide WiFi access in airports, hotels, coffee shops, and other public ______
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Cisco predicts annual global IP traffic will reach nearly five zettabytes (1021 bytes) by ______
Cisco predicts annual global IP traffic will reach nearly five zettabytes (1021 bytes) by ______
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