|
Modulation is the name of the process of converting from digital to analog. |
True |
|
With respect to peer-to-peer network, there is an abundant amount of powerful management software that monitors the network activities. |
False |
|
WANs are widely used by organizations to link personal computers and to share printers and other resources. |
False |
|
A network gateway can be used to connect the LAN of one office group to the LAN of another office group. |
True |
|
TCP/IP protocol involves identifying, sending, and receiving devices and breaking information into small parts for transmission across the Internet. |
True |
|
Connection devices are the actual connecting or transmission medium that carries the message. |
False |
|
A prototype is a set of communication rules for the exchange of information. |
False |
|
In a peer-to-peer network, only the central host computer supplies the resources, the other computers request resources from this host. |
False |
|
A MAN is a network that is frequently used as links between office buildings that are located throughout a city. |
True |
|
In a network environment, a client provides resources for the servers. |
False |
|
Network operating systems (NOS) control and coordinate the activities of all computers and other devices on a network. |
True |
|
The most common standard in LANs is called Ethernet. |
True |
|
Standard telephone lines use coaxial cables. |
False |
|
Packetization refers to breaking information into small parts for transmission across the Internet. |
True |
|
________ is a term relating to sending data to a satellite. |
Uplink |
|
Which physical connection is the fastest? |
Fiber-optic cable |
|
This type of network topology does not use a specific physical layout. |
Mesh |
|
This device enables connectivity between two LANS or a LAN and a larger network. |
Network gateway |
|
In a communication system, which among the following convert messages into packets that can travel across the communication channel? |
Connection devices |
|
A wireless access point that provides Internet access in a public place such as a coffee shop, library, bookstore, or university. |
Hotspot |
|
All communications between a company’s internal networks and the outside world pass through this server. |
Proxy |
|
Using this type of communications channel, several users can simultaneously use a single connection for high-speed data transfer. |
Broadband |
|
The GPS device in an automobile uses which communication channel? |
Satellite |
|
The ________ is the central node that coordinates the flow of data by sending messages directly between the sender and receiver nodes. |
switch |
|
Microwave communication uses high-frequency ________. |
radio waves |
|
One of the most dramatic changes in connectivity and communications in the past few years has been ________. |
widespread use of mobile devices with wireless Internet connectivity |
|
________ is the process of breaking down information sent or transmitted across the Internet into small parts. |
Packetization |
|
Which among the following is considered a line-of-sight communication medium? |
Microwave |
|
In a communication system, which among the following originate and accept messages in the form of data, information, and/or instructions? |
Sending and receiving devices |
|
Every computer on the Internet has a unique numeric address called a(n) ________ |
IP address |
|
Organizations use the following to allow suppliers and others limited access to their networks. |
Extranets |
|
This type of network strategy uses central servers to coordinate and supply services to other nodes on the network. |
Client/server |
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