What has a faster transfer rate 802.11a or 802.11ac
802.11ac
What does a VPN (virtual private network) do
Allows internet users to have more security and privacy by masking their IP address.
What protocol removes mail from a mail server.
POP3 (post office protocol 3)
Which application makes sure your computer has the most recent versions of its system software.
Windows Update.
What GHz frequency allows the most channels that don't overlap.
5 GHz
What does WPA2 do?
It provides security for wireless networks.
What was the first cellular network type to use encryption?
2G
What does the DNS (domain name system) do.
It matches unique IP addresses with easy to read URLs.
What is the term for software that is exclusively controlled by a company and cannot be used or modified without permission.
Proprietary software.
What type of software often requires a fee for support, training, or added functionality.
Open-source software.
What is Bluetooth?
A radio based technology that allows nearby devices to communicate.
What network type uses light pulses to transmit data.
Fiber optic.
What is the name of the protocol suite used on the internet.
TCP/IP (transmission control protocol/ internet protocol)
What is the term for software that anyone can use or modify for free.
Open-source software.
What was the first cellular network type to have gigabit-per-second speeds.
4G
What is used on a wireless network to identify the network name?
SSID (Service Set Identification)
What network type uses a coaxial cable to receive its signal.
Cable.
What does HTTPS do that HTTP does not.
It encrypts and transfers hypertext pages on the world wide web while HTTP only transfers instead of encrypting.
What is the term for software that requires a monthly subscription fee.
SAAS (software as a service)
What does UDP (User Datagram Protocol) do.
It transmits packets in a continuous stream but doesn't verify whether packets are received correctly.
3 most common networking cable types are what?
Twisted pair, coaxial, and fiber optic.
What is the main benefit of satellite internet.
It can be used in remote and rural areas that lack the infrastructure of cable and phone line wiring.
What protocol is used to send mail email messages from a mail client to a mail server.
SMTP (simple mail transfer protocol)
What installation method is most likely to put your computer at risk of downloading a virus.
Internet installation.
What type of internet technology provides the fastest speeds.
Fiber Optic.