test 3
Which type of mobile broadband service has maximum download rates of 300 Mbps and upload rates of 75 Mbps?
4G
Which type of communication protocol converts data into standard formats that can be used by applications?
Arrival
What type of Internet connection do you have when upload speed differs fro download speed?
Asymmetric
Which file sharing protocol distributes the role of a file server across a collection of dispersed computers?
BitTorrent
On a network, any device that stores or generates data is considered to be a(n) _____________
DTE
_______________ LANs are usually arranged in a star topology with computers wired to central switching circuitry that is incorporated in modern routers.
Ethernet
Which type of protocol provides a way to transfer files from one computer to another over and TCP/IP network such as a LAN or the Internet.
FTP
A communication port is a physical circuit through which data flows
False
A private IP address can be used to send data over the Internet
False
Data cannot flow over multiple networks that have different topologies
False
File sharing poses no real security risks
False
Most residential Internet connections outside the Chattanooga area are symmetrical
False
Most wireless LANs use licensed frequencies that require applying to the FCC for permission
False
The organization that supervises Internet addressing is ARPANET
False
Wireless connections use licensed frequencies that are available for public use
False
With wired connections, such as Ethernet, the rated speed and range are usually quite different to actual performance
False
DSL is an example of what type of Internet access?
Fixed
Which DCE would you use if you wanted to extend a wired network by adding more ports?
Hub
What organization is the top-level authority for supervising domain name requests?
ICANN
Internet addresses are controlled by which of the following protocols?
IP
Networks that form the Internet are maintained by who?
ISPs
________________ are designed to provide connectivity for devices within a limited area, typically within the premises of a home, office building, business, or school
LANs
Which type of network topology allows for redundant paths between devices that can be used to bypass failed devices?
Mesh
Which type of broadband Internet access involves using cellular data networks?
Mobile
Which type of network connects smart devices or consumer electronics within a range of about 30 feet (10 metres) and without the use of wires or cables
PAN
__________________ technology divides a message into several packets that can be routed independently to their destination
Packet switching
Which type of network topology connects a peripheral device directly to a host device?
Point-to-point
Which type of network topology connects multiple devices to a central device?
Star
Suppose you wanted to run a Web server of FTP server from your home. What type of IP address would you want?
Static
On a network, which protocol is responsible for dividing files into chunks, adding headers containing information for reassembling packets in their original order, and error checking?
TCP
Which network tier forms the Internet backbone?
Tier 1
A web site cannot be accessed by its domain name until the name is added to the domain name server lists
True
Connection speed is technically a measure of capacity
True
Dropbox is an example of a file hosting service
True
LANs use many of the same network technologies as the Internet
True
Many RFID and NFC tags contains no power source of their own and depend on the receiving device to provide the power for data exchange
True
Networks can be classified according to their size and geographic scope
True
Packet loss of less than 2% is required for acceptable streaming, gaming, Skype , and voice calls
True
The Internet is the world's largest WAN.
True
The most widespread wireless channels for communication networks are microwaves and RF signals.
True
UDP is faster than TCP but does not perform error checking
True
When interference affects a wireless signal, data must be re-transmitted.
True
When setting up a Wi-Fi network, the router you select should support the fastest device you'll want to use on the network.
True
Wi-Fi signals may reach up to 300 feet from the router
True
You can access FTP servers with a browser
True
Which type of network cover a large geographical area and usually consists of several smaller networks, which might use different computer platforms and network technologies
WAN
The bandwidth of a channel that carries digital data is usually measured in _________________
bits per second
Which type of cables are used for high-capacity trunk lines that provide main routes for telephone, cable and Internet communicatons?
fiber-optic cables
Which of the following is an advantage of wired connection?
more secure, more dependable, faster speeds
Which of the following is an example of a DCE?
router, modem, hub
