Network Devices Flashcards
What is a modem?
A modem (short for modulator/de-modulator) transforms digital information from your computer into analog signals that can transmit over wires and vice versa.
What does a modem connect you to?
A modem connects you to a wide area network (WAN) or the internet.
What is the role of clients in a client-server model?
Clients initiate communication sessions with servers, which await incoming requests.
Give examples of applications that use the client-server model.
Examples include:
* Email
* The World Wide Web
When was the first iteration of the internet launched?
On October 29, 1969.
What organization launched the first iteration of the internet?
ARPANET (Advanced Research Projects Agency).
How many major computers were connected initially by ARPANET?
Four major computers.
What technology is traditionally used for connecting devices in a wired local area network (LAN)?
Ethernet.
What does Ethernet enable devices to do?
Communicate with each other via a protocol, which is a set of rules or common network language.
What was the original name of the internet?
ARPANET.
How does a modem function in relation to signal types?
It converts analog signals to digital signals and vice versa.
True or False: Ethernet is typically more vulnerable to disruptions than wireless LAN (WLAN) technology.
False.
What advantage does Ethernet have over wireless technology regarding security?
It offers a greater degree of network security and control because devices must connect using physical cabling.
Fill in the blank: ARPANET connected universities including UCSB, UCLA, and _______.
[Stanford Research Institute].
What was the primary benefit of connecting universities through ARPANET?
Accessing files and transmitting information from one organization to another.
