IS 340 Chapter 7 Review

The most common web servers today are:

Apache HTTP Server and Microsoft IIS.

What are the four layers of the TCP/IP reference model?

Application, Transport, Internet, and Network Interface

The most appropriate wireless networking standard for creating PANs is:

Bluetooth

Bandwidth is the:

Difference between the highest and lowest frequencies that can be accommodated on a single channel

A(n) ________ signal is a discrete, binary waveform that transmits data coded into two discrete states such as 1-bits and 0-bits.

Digital

In TCP/IP, IP is responsible for which of the following?

Disassembling and reassembling packets during transmission

T/F: NFC tags are always passive.

False

One or more access points positioned on a ceiling, wall, or other strategic spot in a public place to provide maximum wireless coverage for a specific area are referred to as:

Hotspots

Which organization manages the domain name system of the Internet?

ICANN

4G networks use which of the following standards?

LTE & wiMAX

Predictive search in Google's search engine:

Predicts what you are looking for as you enter words into the query box.

Wireless sensor networks (WSNs) are used for the following tasks except:

Processing consumer transactions

Which of the following pulls content from websites and feeds it automatically to a user's computers?

RSS

Which of the following can be used to help a website achieve a higher ranking with the major search engines?

SEO

________ monetizes the value of the data stored by search engines.

Search Engine Marketing

On which of the following protocols is the Internet based?

TCP/IP

What service converts IP addresses into more recognizable alphanumeric names?

DNS

Which of the following involves slicing digital messages into parcels, transmitting them along different communication paths, and reassembling them at their destinations?

Packet Switching

Which of the following is not a characteristic of packet switching?

Packet switching requires point to point circuits

Which of the following is a device that sends packets of data through different networks assuring they go to the correct address?

Router

The Internet is based on which three key technologies?

Client/server computing, packet switching, and HTTP

T/F: A NOS must reside on all the local computers in a network.

False

T/F: Computer networks are based on the same principles as telephone networks.

False

T/F: RFID technology is being gradually replaced by less costly technologies such as WSNs.

False

Web browser software requests web pages from the Internet using which of the following protocols?

HTTP

Which of the following is a device that makes possible the translation of digital signals to analog sound signals used by a computer network?

IDK

A(n) ________ is a commercial organization with a permanent connection to the Internet that sells temporary connections to retail subscribers.

ISP

The backbone networks of the Internet are typically owned by long-distance telephone companies called:

Network service providers

T/F: A computer network consists of at least two computers.

True

T/F: A hub is a networking device that sends packets of data to all other devices on the network.

True

T/F: Apple Pay uses an RFID-related technology called near field communication.

True

T/F: Coaxial cable is similar to that used for cable television and consists of thickly insulated copper wire.

True

T/F: Fiber-optic cable is more expensive and harder to install than wireless media.

True

T/F: In a client/server network, a network server sets the rules of communication for the network.

True

T/F: In a large company today, you will often find an infrastructure that includes hundreds of small LANs linked to each other as well as to corporate-wide networks.

True

T/F: TCP/IP was developed during the early 1970s to support efforts to help scientists transmit data among different types of computers over long distances.

True

T/F: The "Internet of Things" refers to a vision of a pervasive Web, in which common objects are connected to and controlled over the Internet.

True

T/F: The Domain Name System (DNS) converts domain names to IP addresses.

True

T/F: Two computers using TCP/IP can communicate even if they are based on different hardware and software platforms.

True

T/F: VoIP technology delivers voice information in digital form using packet switching.

True

T/F: Web 3.0 is an effort to add a layer of meaning to the existing web in order to reduce the amount of human involvement in searching for and processing web information.

True

Which process is used to protect transmitted data in a VPN?

Tunneling

A(n) ________ is software for locating and managing stored web pages.

Web server

The 802.11 set of standards is known as:

Wi-Fi

A network that covers entire geographical regions is most commonly referred to as a(n):

Wide area network

In the domain name "http://books.azimuth-interactive.com", which element is the second-level domain?

azimuth-interactive.com

All of the following are physical components of an RFID system except:

barcodes

The total amount of digital information that can be transmitted through any telecommunications medium is measured in:

bps

IPv6 has been developed in order to:

create more IP addresses.

Client/server computing is a:

distributed computing model where clients are linked to one another through a network that is controlled by a network server computer

Bluetooth can be used to link up to ________ devices within a 10-meter area using low-power, radio-based communication.

eight

Shopping bots use ________ software for searching the Internet.

intelegent agent

A VPN:

is an encrypted private network configured within a public network.

Digital subscriber lines:

operate over existing telephone lines to carry voice, data, and video.

Which type of network would be most appropriate for a business comprised of three employees and a manager located in the same office space, whose primary need is to share documents?

peer to peer network

The concept of a future web in which it is commonplace for everyday objects to be connected, controlled, or monitored over the Internet is called:

the internet of things

________ integrate disparate channels for voice communications, data communications, instant messaging, email, and electronic conferencing into a single experience.

unified communications

Together, a protocol prefix, a domain name, a directory path, and a document name, are called a(n):

uniform resource locator

Which of the following statements is not true about search engines?

There are hundreds of search engines vying for user attention, with no clear leader having yet emerged.

The domain .gov is a(n):

Top level domain