WIFI Flashcards
what are some environmental impacts of cellphones, tablets, laptops
contains hazardous materials eg. mercury, lead
improper disposal of these materials can harm wildlife - they should all be recycled,
what are some adv of using wifi
installing a cable can often be expensive / difficult
more flexible , convenient
can have access to many public points
what are some disadv of using wifi
gives relatively low speed
can be affected by weather
less safer than cables
some old devices don’t have wireless connection capability
what is a modern
allows you to connect to the internet
what is a wireless router
it provides functions of a wireless access point
what is DHCP
dynamic host configuration protocol
a network protocol that allows a server to automatically assign an IP address to a client
how does DHCP work
when a wireless device enters the wireless network, it can acquire an IP address from the router
what is software firewall
a network security system that determines what data comes in and what data goes out of a network or a PC
what is SSID
service set identification
set of 32 alphanumeric characters
used to differentiate one WLAN from another and is case sensitive
what is the OS
handles system resources, manages all protocols, hardware and software so that a network can function properly
what is security software
includes all software that prevents unauthorized access
give examples of security softwares
firewall, anti-spyware, anti-virus software
what are 3 similarities of OS and network OS (NOS)
both manage a system’s resources
both manage access and permissions on a system
they are both system software
give 4 differences between OS and NOS
a NOS is more difficult and expensive to obtain/install
NOS is installed on network servers
NOS can be found in a router or hardware firewall
has the ability to manage multiple users, security policies
give 2 similarities between software and hardware firewall
they both control data flow
they serve the same purpose
