Mr Danault - Communications & Networks - 20 Questions, Multiple Choice
Choose the answer that best applies
Connectivity is a concept related to
- transmitting information, either by computer or by phone
- the interconnections within a computer
- using computer networks to link people and resources
- being in an active session with your computer
One of the most dramatic changes in connectivity and communications in the past five years or so has been ____.
- mobile or wireless telephones
- public and private discussion
- satellite uplinks
- running programs on remote computers
The four basic elements of any communication system include
- peer-to-peer, videoconferencing, online photo-conferencing, net optical
- sending and receiving devices, communication channel, connection device, and data transmission specifications
- telephone lines, coaxial cables, fiber-optics cables, and communication channel
- software, hardware, communication channel, network
These communication devices originate as well as accept messages in the form of data, information, and/or instructions.
- i-drives
- sending and receiving devices
- key chain drives
- optical drives
The transmission medium that carries the message is referred to as the
- send and receive device
- communication channel
- protocol
- gateways
Data is transmitted using light through a ____ cable.
- twisted pair
- fiber-optic
- coaxial
- microwave
Which physical connection is the fastest?
- twisted pair
- coaxial cable
- fiber-optics
- microwaves
Which of the following connection methods would not be used to connect devices between two different offices?
- twisted pairs
- fiber-optics
- coaxial cables
- infrared
Most Web-enabled devices follow a standard known as
- FireWire
- Bluetooth
- TCP/IP
- Wi-FI
This wireless standard is widely used to connect computers to each other and to the Internet.
- 802.11
- RJ45
- Blueband
- Broadband
Bluetooth is a type of radio wave information transmission system that is good for about
- 30 feet
- 30 yards
- 30 miles
- 300 miles
A term relating to sending data to a satellite is
- uplink
- downlink
- modulate
- demodulate
A credit card-sized expansion board that is inserted into portable computers that connects the PC to the telephone wall jack is called what?
- Internal modem
- External modem
- PC Card modem
- Wireless modem
Standard telephone lines and conventional modems provide what is called
- Bluetooth service
- dial-up service
- wireless service
- WiFI service
Special high-speed lines used by large corporations to support digital communications are known as
- satellite/air connection service lines
- cable modems
- digital subscriber lines
- T1, T2, T3 and T4 lines
The rules for exchanging data between computers are called
- interconnections
- synchronous packages
- protocols
- data transmission synchronization
Each computer on the Internet has a unique numeric address called a(n)
- domain address
- protocol address
- IP address
- Web address
____ is the process of breaking down information sent or transmitted across the Internet into small parts called packets.
- protocol
- bandwidth
- reformatting
- identification
Two or more computers connected so that they can communicate with each other and share information is called a
- satellite
- protocol
- broadcast
- network
Any device that is connected to a network is called a
- client
- node
- server
- manager