Top-Down Approach, 8th Edition by James
Kurose00 (Questions and Verified Answers)
nternet - Correct Answer>>a computer network that interconnects billions of computing devices
throughout the world.
Host/End System - Correct Answer>>devices connected to the internet.
Types of Physical Media - Correct Answer>>1. Coaxial cable
2. Twisted Pair(TP) - Copper Wire
3. Optical Fiber
4. Radio Spectrum
Transmission Rate - Correct Answer>>The speed of a link measured in bits/second.
Packets - Correct Answer>>bundling data into smaller chunks, resulting packages of information.
Packet Switch - Correct Answer>>takes a packet arriving on one of its incoming communication links and
forwards that packet on one of its outgoing communication links.
Most Prominent Packet Switches - Correct Answer>>1. Routers
2. Link-Layer Switches
Link-Layer Switches - Correct Answer>>generally used in access networks.
Router Switches - Correct Answer>>used in the network core.
Route/Path - Correct Answer>>the sequence of communication links and packet switches traversed by a
packet from the sending end-system to the receiving end-system.
, Internet Service Providers - Correct Answer>>(ISPs) in itself is a network of packet switches and
communication links.
ISP Network Access Types: - Correct Answer>>1. cable modem/DSL
2. high-speed local area network access
3. mobile wireless access.
Protocols - Correct Answer>>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.
Two Most Important Protocols - Correct Answer>>1. Transmission Control Protocol (TCP)
2. Internet Protocol (IP)
Internet Protocol (IP) - Correct Answer>>specifies the format of the packets that are sent and received
among routers and end systems.
The Internet's Principal Protocols - Correct Answer>>TCP/IP
Distributed Applications - Correct Answer>>applications that involve multiple end systems that exchange
data with each other.
Socket Interface - Correct Answer>>specifies how a program running on one end systems asks the
internet infrastructure to deliver data to a specific destination program running on another end system.
2 Elements of Hosts - Correct Answer>>1. Clients
2. Servers
Access Network - Correct Answer>>the network that physically connects an end system to the first
router (also known as the "edge router") on a path from the end system to any other distant end system.