Lecture 5 part 1

Which of the following is a device that sends packets of data through different networks assuring they go to the correct address?

• Hub

• Switch

• Router

• NIC

• Modem

The Internet is based on which three key technologies?

• TCP/IP, HTML, and HTTP

• TCP/IP, HTTP, and packet switching

• Client/server computing, packet switching, and the development of communications standards for linking networks and computers

• Client/server computing, packet switching, and HTTP

• Email, instant messaging, and newsgroups

Which of the following involves slicing digital messages into parcels, transmitting them along different communication paths, and reassembling them at their destinations?

• Multiplexing

• Packet shifting

• Packet routing

• ATM

• Packet switching

The telephone system is an example of a ________ network

• peer-to-peer

• wireless

• packet-switched

• circuit-switched

• client/server

Which of the Packets travel independently of each other. following is not a characteristic of packet switching?

• Packets travel independently of each other.

• Packets are routed through many different paths

• Packet switching requires point-to-point circuits

• Packets include data for checking transmission errors.

• Packets are reassembled into the original message when they reach their destinations.

In TCP/IP, IP is responsible for which of the following?

• Disassembling and reassembling packets during transmission

• Establishing an Internet connection between two computers

• Moving packets over the network

• Sequencing the transfer of packets

• Breaking messages down into packets

Which of the following is the best description of a protocol in a telecommunications network architecture?

• A device that handles the switching of voice and data in a local area network

• A standard set of rules and procedures for control of communications in a network

• A communications service for microcomputer users

• The main computer in a telecommunications network

• A pathway through which packets are routed

What are the four layers of the TCP/IP reference model?

• Physical, Application, Transport, and Network Interface

• Physical, Application, Internet, and Network Interface

• Application, Transport, Internet, and Network Interface

• Application, Hardware, Internet, and Network Interface

• Software, Hardware, Network Interface, Internet

On which of the following protocols is the Internet based?

• TCP/IP

• FTP

• IMAP

• HTTP

• DNS

Client/server computing is a:

• network that connects sensors to desktop computers.

• network where centralized mainframe computers serve local devices.

• centralized model of computing for large corporations.

• distributed computing model where clients are linked to one another through a network that is controlled by a network server computer.

• centralized computing model where local computers are connected to one another by a network.