Exam 6: Data Communication and the Cloud

With a WAN, an organization is allowed to place communications lines wherever it wants, because all lines reside on its premises.

Define SaaS, PaaS, and IaaS.Provide an example of each.

For two devices to communicate, they must use the same protocol.

A(n)________ uses the Internet to create the appearance of private point-to-point connections.

Teleaction reduces the need for local support staff.

________ typically have transmission speeds less than 56 Kbps.

________ is a markup language that fixes several HTML deficiencies and is commonly used for program-to-program interaction over the Web.

The owner of a domain name is capable of changing the affiliated IP addresses at its discretion.

The ________ tier of three-tier architecture consists of computers, phones, and other devices that have browsers that request and process Web pages.

Communications speeds are expressed in ________.

An internet is a network of networks that connect LANs, WANs, and other internets.

UTP cable contains sets of wires that are twisted together to improve signal quality.

The primary protocol of the Internet is called IP.

Compared to in-house hosting, cloud-based hosting ________.

________ modems modulate in such a way that they do not interfere with TV signals, even though they use the same lines.

Bluetooth is a wireless protocol designed for transmitting data over long distances.

The primary protocol of the Internet layer of the TCP/IP protocol architecture is called ________.

What is an access point?

When does it not make sense to use cloud-based infrastructure?

A university would use a WAN to connect its campuses in two cities.