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Chapter 4 Quiz

Terms in this set (20)

If a digital subscriber line is ____, it does not have the same transmission speed in the download direction as in the upload direction.
asymmetric
The ____ algorithm is the basis for all Data Link Control protocols that are currently used.
ARQ
The term ____ means that a public information network such as an Internet service provider (ISP) should treat all users, all platforms, and all content equally.
net neutrality
The term ____ generally refers to any communication link with the transmission rate exceeding 256,000 bps.
broadband
Which of the following is not one of the three categories that cloud services typically fall into?
maintenance services
In a ____, a user transmits from his or her computer, tablet, or smartphone to a local wireless base station that is no more than a few hundred feet away.
WLAN
____ has been the single most popular application of networks for the last 35 years.
Email
The ____ layer protocols are the rules for implementing end-user services provided by a network.
Application
Which of the following is not an advantage of cloud computing?
immune to any type of online attack
The individual computers on a network are referred to as ____, and they can range in size from smartphones, tablets, and tiny laptops to massively parallel supercomputers.
nodes
In an Ethernet LAN, users can tap into a shared cable at its nearest point using a device called a ____.
transceiver
In a ____ network, there is a single central node that is connected to all other sites.
star
The separation of a service from the entity (or entities) providing that service is called ____.
virtualization
A set of independent computer systems interconnected by telecommunication links for the purpose of sharing information and resources is known as a computer ____.
network
The ____ is a massive database distributed over thousands of machines that, in total, contain the host name-to-IP address mappings for the more than 1 billion host computers on the Internet.
DNS
A ____ is a device that makes internetwork connections and provides routing between different WANs.
gateway
Users of hypertext documents, called ____ in Web parlance, are free to navigate the collection of documents in whatever order they want, using links to move freely between them.
pages
Both a user's individual computer and a company's private network are connected to the world through a(n) ____.
ISP
Which of the following is not a layer in the TCP/IP protocol hierarchy?
Standard Access Control
The philosophy behind the ____ model is that we use a network to share resources that are too widespread, too expensive, or used too infrequently to warrant replication at every node.
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