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Computer Network [ Ans: ] defined as two or more
computers connected together to communicate and share
resources.
NIC stands for [ Ans: ] Network Interface Controller
mac address [ Ans: ] 48 bits
ip address [ Ans: ] 32 bits
What is a specialized wire that cancels out
electromagnetic interference from other electronic devices
and increases reliability? [ Ans: ] Twisted pair
Internet of Things (IoT) [ Ans: ] a world where
interconnected, Internet-enabled devices or "things" can
collect and share data without human intervention. can
cause privacy concerns
ex: traffic control, parking monitors, forest fire sensors
Server [ Ans: ] connected directly to internet and stores
webpages and data
Consider a network made up of computers (called clients)
that are connected to a central computer
,Client [ Ans: ] connected indirectly to the internet through
an internet service provider
Router [ Ans: ] a device that forwards data packets across
computer networks, directs traffic
Benefits of a network [ Ans: ] cost effective, collaboration,
economic benefits, sharing resources, sending updates to
all computers at once
impacts business profits by decreasing cost
network solutions [ Ans: ] making sure everyone is trained
and hardware is up to date
How do you prevent network outages? [ Ans: ] train
employees, check hardware and software
Node [ Ans: ] Any device connected to the network that
has an IP address
Network [ Ans: ] 2 or more computers
What is the worst for network outages? [ Ans: ] power
surges
Main reason for outages? [ Ans: ] Security (64%), Human
error (60%), software (40%), complexity, old hardware, IT
overworked, interoperability
Causes of network outages? [ Ans: ] anything
,Network Interface Card (NIC) [ Ans: ] Gives IP address
is plugged into a slot on the motherboard inside of the
computer and allows a network cable to be plugged in so
it can interface or communicate with other computers.
Ethernet Card [ Ans: ] Gives MAC address
Most common NIC (UIN)
Difference between mac and IP address? [ Ans: ] MAC
address identifies the physical address of a device on the
same local network, the IP address identifies the device
globally or through its internet address.
Types of operating systems [ Ans: ] 1. Stand Alone
2. Network
3. Embedded
MAC (media access control) address [ Ans: ] Ethernet cards
provide the computer with a unique 48-bit address
Network Admin [ Ans: ] Business processes to become
efficient/effective
Ex: large business - more people/technology - top level -
assigned different going lower level/employees
Small business - 1 person from start to finish
, Twisted Pair [ Ans: ] Most popular cable wire: A twisted
pair is a specialized wire that cancels out electromagnetic
interference from other electronic devices and increases
reliability.
Can networks be connected wirelessly without NICs? [
Ans: ] Yes, but it isn't suitable for large businesses
"network ready" [ Ans: ] NIC card already installed
MAC address [ Ans: ] Media Access Control address
Ethernet Cable [ Ans: ] specialized wires with adapters
that plug into the NIC
Protocol [ Ans: ] A set of rules governing the exchange or
transmission of data between devices. Provides a common
language and rules to communicate
governed by software, hardware, or both
Network Hub [ Ans: ] a central location of the computer
network that serves as a traffic cop for network
connection and communication.
Most common: ethernet hub
Peripheal Devices [ Ans: ] Hardware such as keyboard or
mouse, no IP address
Transmission Control Protocol/Internet Protocol (TCP/IP) [
Ans: ] TCP/IP checks to see that the receiving computer