Deck 7: Networks: Mobile Business: Module 3: Enterprise MIS

Question 1

A repeater receives and repeats a signal to reduce its attenuation and extend its range.

Answer 1

True
Explanation: A repeater receives and repeats a signal to reduce its attenuation and extend its range.

Question 2

The network providers include ISP, NSP, and RSP.

Answer 2

True
Explanation: The network providers include ISP, NSP, and RSP.

Question 3

A wide area network (WAN) connects a group of computers in close proximity, such as in an office building, school, or home.

Answer 3

False
Explanation: A local area network (LAN) connects a group of computers in close proximity, such as in an office building, school, or home.LANs allow sharing of files, printers, games, and other resources.

Question 4

The network categories include ISP, NSP, and RSP.

Question 5

The network access technologies include DSL, cable modem, and broadband.

Question 6

A wide area network (WAN) spans a large geographic area such as a state, province, or country.Perhaps the best example is the Internet.

Question 7

The network protocols include TCP/IP, FTP, and DHCP.

Question 8

The network protocols include LAN, WAN, and MAN.

Question 9

A local area network (LAN) is a large computer network usually spanning a city.

Question 10

A wide area network (WAN) spans a large geographic area such as a state, province, or country.

Question 11

The network access technologies include VoIP, UC, and IPTV.

Question 12

A metropolitan area network (MAN) is a large computer network usually spanning a city.Most colleges, universities, and large companies that span a campus use an infrastructure supported by a MAN.

Question 13

A local area network (LAN) connects a group of computers in close proximity, such as in an office building, school, or home.LANs allow sharing of files, printers, games, and other resources.A LAN also often connects to other LANs, and to wide area networks.

Question 14

Network convergence includes VoIP, UC, and IPTV.

Question 15

Attenuation represents the loss of a network signal strength measured in decibels (dB) and occurs because the transmissions gradually dissipate in strength over longer distances or because of radio interference or physical obstructions such as walls.

Question 16

The network categories include LAN, WAN, and MAN.

Question 17

A local area network (LAN) connects a group of computers in close proximity, such as in an office building, school, or home.LANs allow sharing of files, printers, games, and other resources.

Question 18

A metropolitan area network (MAN) spans a large geographic area such as a state, province, or country.

Question 19

Network convergence includes TCP/IP and FTP.

Question 20

The network providers include LAN, WAN, and MAN.

Question 21

IP address is a unique number that identifies where computers are located on the network.

Question 22

A repeater receives and repeats a signal extending its attenuation or range.

Question 23

Telecommuting (virtual workforce) allows users to work from remote locations such as home or hotel using high-speed Internet to access business applications and data.

Question 24

A domain name system (DNS) converts IP addresses into domains, or identifying labels that use a variety of recognizable naming conventions.

Question 25

Network convergence is the integration of communication channels into a single service.

Question 26

A metropolitan area network (MAN) is a large computer network usually spanning a city.

Question 27

Traceroute formats include a packet header, packet body containing the original message, and packet footer.

Question 28

Dynamic host configuration protocol is a utility application that monitors the network path of packet data sent to a remote computer.

Question 29

The packet footer represents the end of the packet or transmission end.The packet header and packet footer contain error-checking information to ensure the entire message is sent and received.The receiving device reassembles the individual packets into the original by stripping off the headers and footers and then piecing together the packets in the correct sequence.

Question 30

Broadband over power line (BPL) technology makes possible high-speed Internet access over ordinary residential electrical lines and offers an alternative to DSL or high-speed cable modems.

Question 31

A proxy is software that prevents direct communication between a sending and receiving computer and is used to monitor packets for security reasons.

Question 32

Dynamic Host Configuration Protocol (DHCP) allows dynamic IP address allocation so users do not have to have a preconfigured IP address to use the network.

Question 33

Voice over IP (VoIP) uses IP technology to transmit telephone calls.

Question 34

Voice over IP is a computer network that relies on the computing power and bandwidth of the participants in the network rather than a centralized server.

Question 35

Packets directly impact network performance and reliability by subdividing an electronic message into smaller more manageable packets.

Question 36

Peer-to-peer (P2P) is a computer network that relies on the computing power and bandwidth of the participants in the network rather than a centralized server.

Question 37

IP address is a simple network protocol that allows the transfer of files between two computers on the Internet.

Question 38

The packet header lists the destination (for example in IP packets the destination is the IP address) along with the length of the message data.

Question 39

Attenuation is a single unit of binary data routed through a network.

Question 40

A repeater represents the loss of a network signal strength measured in decibels and occurs because the transmissions gradually dissipate in strength over longer distances or radio interference or physical obstructions like walls also impact communication signals.

Question 41

An extranet is a restricted network that relies on Internet technologies to provide an Internet-like environment within the company for information sharing, communications, collaboration, web publishing, and the support of business processes.

Question 42

Wireless, on the other hand, refers to any type of operation accomplished without the use of a hard-wired connection.

Question 43

Mobile and wireless networks are identical and the terms can be used synonymously.

Question 44

The digital divide is a wireless PAN technology that transmits signals over short distances among cell phones, computers, and other devices.

Question 45

An extranet is an extension of an intranet that is available only to authorized outsiders, such as customers, partners, and suppliers.

Question 46

Two methods for encrypting network traffic on the web are secure sockets layer and secure hypertext transfer protocol.

Question 47

Some of the social challenges with networking occur with newsgroups or blogs where like-minded people can exchange messages.Problems can arise when sensitive social issues become the topic of discussion such as politics or religion.

Question 48

An intranet is a restricted network that relies on Internet technologies to provide an Internet-like environment within the company for information sharing, communications, collaboration, web publishing, and the support of business processes.

Question 49

The main challenges facing networks include security and social, ethical, and political issues.

Question 50

VPNs are often used to connect to a corporate server.VPN stands for a Valued Partner Network.

Question 51

Internet Protocol TV (IPTV), which distributes digital video content using IP across the Internet and private IP networks.

Question 52

Secure sockets layer (SSL) is a combination of HTTP and SSL to provide encryption and secure identification of an Internet server.

Question 53

A repeater distributes digital video content using IP across the Internet and private IP networks.

Question 54

Bluetooth is a wireless PAN technology that transmits signals over short distances among cell phones, computers, and other devices.

Question 55

An intranet is an extension of an intranet that is available only to authorized outsiders, such as customers, partners, and suppliers.

Question 56

Peer-to-peer uses IP technology to transmit telephone calls.

Question 57

A personal area network (PAN) provides communication for devices owned by a single user that work over a short distance.

Question 58

Companies can establish direct private network links among themselves or create private, secure Internet access, in effect a private tunnel within the Internet, called an extranet.

Question 59

Companies can establish direct private network links among themselves or create private, secure Internet access, in effect a private tunnel within the Internet, called a virtual private network (VPN).

Question 60

Mobile means the technology can travel with the user; for instance, users can download software, email messages, and web pages onto a laptop or other mobile device for portable reading or reference.Information collected while on the road can be synchronized with a PC or company server.

Question 61

Worldwide Interoperability for Microwave Access (WiMAX) is a communications technology aimed at providing high-speed wireless data over metropolitan area networks.

Question 62

A wireless MAN (WMAN) is a metropolitan area network that uses radio signals to transmit and receive data.

Question 63

With the power of a wireless network, business professionals can take advantage of mobility allowing them to work from anywhere, at any time, using many different devices.

Question 64

A voice over LTE is the computer or network device that serves as an interface between devices and the network.Each computer initially connects to the access point and then to other computers on the network.

Question 65

A wireless access point (WAP) enables devices to connect to a wireless network to communicate with each other.

Question 66

The Institute of Electrical and Electronics Engineers (IEEE) is an organization that researches and institutes electrical standards for communication and other technologies.Known officially as IEEE 802.11n (or wireless-N) is the newest standard for wireless networking.Compared with earlier standards like 802.11b, wireless-N offers faster speeds, more flexibility and greater range.

Question 67

Streaming is a method of sending audio and video files over the Internet in such a way that the user can view the file while it is being transferred.

Question 68

A secure socket layer enables devices to connect to a wireless network to communicate with each other.

Question 69

Voice over LTE (VoLTE) allows mobile voice calls to be made over broadband networks, creating-under the right network conditions-clearer audio and fewer dropped calls.

Question 70

Wi-Fi protected access (WAP) is an encryption algorithm designed to protect wireless transmission data.

Question 71

An access point (AP) is the computer or network device that serves as an interface between devices and the network.Each computer initially connects to the access point and then to other computers on the network.

Question 72

A wireless LAN (WLAN) is a local area network that uses radio signals to transmit and receive data over distances of a few hundred feet.

Question 73

Wi-Fi infrastructure includes the inner workings of a Wi-Fi service or utility, including the signal transmitters, towers, or poles and additional equipment required to send out a Wi-Fi signal.

Question 74

A satellite is a space station that orbits the Earth, receiving and transmitting signals from Earth-based stations over a wide area.

Question 75

A wireless WAN (WWAN) is a wide area network that uses radio signals to transmit and receive data.

Question 76

Wired equivalent privacy (WEP) is an encryption algorithm designed to protect wireless transmission data.

Question 77

Worldwide Interoperability for Microwave Access (WiMAX), a communications technology aimed at providing high-speed wireless data over metropolitan area networks.

Question 78

A satellite is a space station that orbits the Sun, receiving and transmitting signals from Mars-based stations over a wide area.

Question 79

An access point provides communication for devices owned by a single user that work over a short distance.

Question 80

Hotspots are designated locations where Wi-Fi access points are publicly available.