Telecommunications, Internet and Networks

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

• NIC

• Switch

• Router

• Hub

• Modem

The Internet is based on which three key technologies?

• Client/server computing, packet switching, and HTTP

• Client/server computing, packet switching, and the development of communications

  standards for linking networks and computers

• TCP/IP, HTML, and HTTP

• TCP/IP, HTTP, and packet switching

• Email, instant messaging, and newsgroups

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

• Disassembling and reassembling packets during transmission

• Breaking messages down into packets

• Moving packets over the network

• Sequencing the transfer of packets

• Establishing an Internet connection between two computers

Which of the following is not a characteristic of packet switching?

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

• Packets are routed through many different paths.

• Packet switching requires point-to-point circuits.

• Packets travel independently of each other.

• Packets include data for checking transmission errors.

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 pathway through which packets are routed

• The main computer in a telecommunications network

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

• A communications service for microcomputer users

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

• Software, Hardware, Network Interface, Internet

• Application, Hardware, Internet, and Network Interface

• Application, Transport, Internet, and Network Interface

• Physical, Application, Transport, and Network Interface

• Physical, Application, Internet, and Network Interface

Client/server computing is a:

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

• network that connects sensors to desktop computers

• network where centralized mainframe computers serve local devices

• centralized model of computing for large corporations

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

Which of the following is a device that makes possible the translation of digital signals to analog sound signals used by a computer network?

• Local area network

• TCP/IP

• Twisted wire

• Modem

• DSL

Tags

NGSS.MS-PS4-3

Which type of network treats all processors equally and allows peripheral devices to be shared without going to a separate server?

• Peer-to-peer

• Windows domain network

• MAN

• LAN

• Wireless

Bandwidth is the:

• number of cycles per second that can be sent through a medium.

• difference between the highest and lowest frequencies that can be accommodated on a single channel.

• number of frequencies that can be broadcast through a medium.

• geographical distance spanned by a network.

• total number of bytes that can be sent through a medium per second.

Tags

NGSS.MS-PS4-1