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Networking A Top-Down Approach: Chapter 1
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Quiz: Laptops, smartphones, tablets, TVs, gaming consoles, Web cams,
automobiles, environmental sensing devices, picture frames, and home
electrical and security systems are all devices that fall under the
category of what?
Ans: end systems (hosts)
Quiz: End systems are connected together by a network of
_____________ _____ and ______ ________.
Ans: communication links and packet switches
Quiz: The speed of a link measured in bits/second. (R)
Ans: transmission rate
Quiz: packages of information
Ans: packets
Quiz: The two most prominent types of packet switches. Routers are
typically used in the network core and link-layer switches are used in
access networks
Sunday, 02 March 2025
,Ans: routers and link-layer switches
Quiz: The sequence of communication links and packet switches
traversed by a packet from the sending end system to the receiving
end system
Ans: route (path)
Quiz: Each ISP is in itself a network of packet switches
and communication links. ISPs provide a variety of types of network
access to the
end systems, including residential broadband access such as cable
modem or DSL, high-speed local area network access, wireless access,
and 56 kbps dial-up modem
access. ISPs also provide Internet access to content providers,
connecting Web
sites directly to the Internet. Each ISP network, whether upper-tier or
lower-tier, is managed
independently, runs the IP protocol (see below), and conforms to
certain naming
and address conventions.
Ans: Internet Service Provider (ISP)
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,Quiz: Types of ISPs
Ans: cable, DSL, high-speed lan, wifi, 56k dial up.
Quiz: Two of the most important protocols in the internet (not UDP)
Ans: TCP and IP (TCP/IP)
Quiz: Two common internet standards (Internet Engineering Task
Force and their standard documents called Request for Comments)
Ans: IETF and RFCs
Quiz: RFC is the abbreviation. IETF's standard documents. General
requests for comments (hence the name) to resolve network and
protocol design problems that faced the precursor to the Internet. hey
define protocols such as TCP, IP, HTTP (for the Web), and SMTP (for e-
mail).
Ans: Request for comments
Quiz: IETF is the abbreviation
Ans: Internet Engineering Task Force
Quiz: Multiple end systems that exchange data with each other
Ans: Distributed applications
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, Quiz: Specifies how a program running on one end system asks the
Internet infrastructure to deliver data to a specific destination program
running on another end system. a set of rules that the sending program
must follow so that the Internet can deliver the data to the destination
program
Ans: Application Programming Interface (API)
Quiz: Defines the format and the order of messages exchanged
between two or more communicating entities, as well as the actions
taken on the transmission and /or receipt of a message or other event.
Ans: Protocol
Quiz: What part of the internet are end systems found?
Ans: Network edge
Quiz: One of the two categories that hosts are divided into; PCs,
smartphones, and other mobile devices
Ans: clients
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