Deck 5: Networks and Telecommunications

Question 1

Which of the following represents the ring topology?

A) All devices are connected to a central cable or backbone.
B) All devices are connected to a central device, called a hub.
C) All devices are connected to one another in the shape of a closed loop, so that each device is connected directly to two other devices, one on either side of it.
D) Groups of star-configured workstations are connected to a linear bus backbone cable.

Answer 1

C

Question 2

What runs a network, steering information between computers and managing security and users?

A) Client
B) Server
C) Peer-to-peer network
D) Network operating system

Answer 2

D

Question 3

What is designed to connect a group of computers in close proximity to each other such as in an office building, a school, or a home?

A) Local area network
B) Wide area network
C) Metropolitan area network
D) Peer-to-peer network

Answer 3

A

Question 4

What occurs when the sending computer divides a message into a number of efficiently sized units called packets, each of which contains the address of the destination computer?

A) Client
B) Packet-switching
C) Peer-to-peer network
D) Network operating system

Question 5

Which of the following is not a network topology?

A) Bus
B) Ring
C) Ethernet
D) Star

Question 6

What is a network?

A) Enables the transmission of data over public or private networks
B) A communications, data exchange, and resource-sharing system created by linking two or more computers and establishing standards, or protocols, so that they can work together
C) Any network without a central file server and in which all computers in the network have access to the public files located on all other workstations
D) A computer that is designed to request information from a server

Question 7

What is network topology?

A) Occurs when the sending computer divides a message into a number of efficiently sized units called packets, each of which contains the address of the destination computer
B) An intelligent connecting device that examines each packet of data it receives and then decides which way to send it onward toward its destination
C) Refers to the geometric arrangement of the actual physical organization of the computers and other network devices) in a network
D) A model for applications in which the bulk of the back-end processing, such as performing a physical search of a database, takes place on a server, while the front-end processing, which involves communicating with the users, is handled by the clients

Question 8

What is a protocol?

A) An intelligent connecting device that examines each packet of data it receives and then decides which way to send it onward toward its destination.
B) Refers to the geometric arrangement of the actual physical organization of the computers and other network devices) in a network.
C) A standard that specifies the format of data as well as the rules to be followed during transmission.
D) The capability of two or more computer systems to share data and resources, even though they are made by different manufacturers.

Question 9

What is a telecommunications system?

A) Enables the transmission of data over public or private networks
B) A communications, data exchange, and resource-sharing system created by linking two or more computers and establishing standards, or protocols, so that they can work together
C) Any network without a central file server and in which all computers in the network have access to the public files located on all other workstations
D) A computer that is designed to request information from a server

Question 10

What is a large computer network usually spanning a city?

A) Client/server network
B) Corporate network
C) Metropolitan area network
D) Peer-to-peer network

Question 11

What is interoperability?

A) An intelligent connecting device that examines each packet of data it receives and then decides which way to send it onward toward its destination.
B) Refers to the geometric arrangement of the actual physical organization of the computers and other network devices) in a network.
C) A standard that specifies the format of data as well as the rules to be followed during transmission.
D) The capability of two or more computer systems to share data and resources, even though they are made by different manufacturers.

Question 12

What is a computer that is designed to request information from a server?

A) Client
B) Packet-switching
C) Peer-to-peer network
D) Network operating system

Question 13

What spans a large geographic area, such as a state, province, or country?

A) Local area network
B) Wide area network
C) Metropolitan area network
D) Peer-to-peer network

Question 14

What is a peer-to-peer network?

A) Enables the transmission of data over public or private networks
B) A communications, data exchange, and resource-sharing system created by linking two or more computers and establishing standards, or protocols, so that they can work together
C) Any network without a central file server and in which all computers in the network have access to the public files located on all other workstations
D) A computer that is designed to request information from a server

Question 15

What is packet-switching?

A) Occurs when the sending computer divides a message into a number of efficiently sized units called packets, each of which contains the address of the destination computer
B) An intelligent connecting device that examines each packet of data it receives and then decides which way to send it onward toward its destination
C) Refers to the geometric arrangement of the actual physical organization of the computers and other network devices) in a network
D) A model for applications in which the bulk of the back-end processing, such as performing a physical search of a database, takes place on a server, while the front-end processing, which involves communicating with the users, is handled by the clients

Question 16

What is a router?

A) Occurs when the sending computer divides a message into a number of efficiently sized units called packets, each of which contains the address of the destination computer
B) An intelligent connecting device that examines each packet of data it receives and then decides which way to send it onward toward its destination
C) Refers to the geometric arrangement of the actual physical organization of the computers and other network devices) in a network
D) A model for applications in which the bulk of the back-end processing, such as performing a physical search of a database, takes place on a server, while the front-end processing, which involves communicating with the users, is handled by the clients

Question 17

What is a client?

A) Enables the transmission of data over public or private networks
B) A communications, data exchange, and resource-sharing system created by linking two or more computers and establishing standards, or protocols, so that they can work together
C) Any network without a central file server and in which all computers in the network have access to the public files located on all other workstations
D) A computer that is designed to request information from a server

Question 18

Which of the following represents the bus topology?

A) All devices are connected to a central cable or backbone.
B) All devices are connected to a central device, called a hub.
C) All devices are connected to one another in the shape of a closed loop, so that each device is connected directly to two other devices, one on either side of it.
D) Groups of star-configured workstations are connected to a linear bus backbone cable.

Question 19

Which of the following is not one of the differentiating factors of a network?

A) Architecture
B) Topology
C) Protocols
D) Telecommunication system

Question 20

What is a client/server network?

A) Occurs when the sending computer divides a message into a number of efficiently sized units called packets, each of which contains the address of the destination computer
B) An intelligent connecting device that examines each packet of data it receives and then decides which way to send it onward toward its destination
C) Refers to the geometric arrangement of the actual physical organization of the computers and other network devices) in a network
D) A model for applications in which the bulk of the back-end processing, such as performing a physical search of a database, takes place on a server, while the front-end processing, which involves communicating with the users, is handled by the clients

Question 21

How many layers does the OSI model contain?

A) Four
B) Seven
C) Ten
D) Eleven

Question 22

Which of the following refers to terms used to describe transmission speeds?

A) Bandwidth
B) Hertz
C) Baud
D) All of the above

Question 23

What allows files containing text, programs, graphics, numerical data, and so on to be downloaded off or uploaded onto a network?

A) File transfer protocol (FTP)
B) Simple mail transfer protocol (SMTP)
C) Hypertext transfer protocol (HTTP)
D) Simple network management protocol (SNMP)

Question 24

Which of the following represents the TCP/IP four-layer reference model?

A) Application, Internet, transport, network interfaces
B) Application, Internet, network interfaces, transport
C) Application, transport, Internet, network interfaces
D) Application, network interfaces, Internet, transport

Question 25

Which of the following is not a common business network characteristic?

A) Provide for the transparent exchange of information with suppliers, trading partners, and customers
B) Respond to high demands with scalable processing power and networking capacity
C) Reliably and securely exchange information internally but never externally via the Internet
D) Allow end-to-end integration and provide message delivery across multiple systems

Question 26

What is the difference between the highest and the lowest frequencies that can be transmitted on a single medium, and it is a measure of the medium's capacity?

A) VoIP
B) VPN
C) Broadband
D) Bandwidth

Question 27

How many phone calls in the United States are transmitted over VoIP?

A) 10 percent
B) 50 percent
C) 90 percent
D) Impossible to determine

Question 28

What is the typical transmission speed for fiber-optic cable?

A) 14.4 Kbps
B) 128 Kbps
C) 10 Mbps
D) 100 Gbps

Question 29

What is a value-added network?

A) Are natural parts of the Earth's environment that can be used as physical paths to carry electrical signals.
B) A way to use the public telecommunication infrastructure (e.g., Internet) to provide secure access to an organization's network.
C) A private network, provided by a third party, for exchanging information through a high capacity connection.
D) Refers to a type of cable composed of four (or more) copper wires twisted around each other within a plastic sheath.

Question 30

What refers to a type of cable composed of four (or more) copper wires twisted around each other within a plastic sheath?

A) Twisted-pair wiring
B) Coaxial cable
C) Fiber-optic cable
D) Transmission control protocol/internet protocol

Question 31

Which of the following is not a commonly used type of guided media?

A) Twisted-pair wiring
B) Coaxial cable
C) Fiber-optic cable
D) Transmission control protocol/internet protocol

Question 32

Which of the following is accurate?

A) Terms such as bandwidth, hertz, and baud are used to describe transmission speeds
B) Hertz is cycles per second
C) Baud is cycles per second
D) Bandwidth is the number of signals sent per second

Question 33

What is TCP/IP's own messaging system for email?

A) File transfer protocol (FTP)
B) Simple mail transfer protocol (SMTP)
C) Hypertext transfer protocol (HTTP)
D) Simple network management protocol (SNMP)

Question 34

What uses TCP/IP technology to transmit voice calls over long-distance telephone lines?

A) VoIP
B) WAN
C) MAN
D) LAN

Question 35

What allows web browsers and servers to send and receive web pages?

A) File transfer protocol (FTP)
B) Simple mail transfer protocol (SMTP)
C) Hypertext transfer protocol (HTTP)
D) Simple network management protocol (SNMP)

Question 36

Which company has been using Skype's free instant messaging and video calls for more than two years to track communications with international colleagues?

A) Ironman
B) Rip Curl Surf and Snow Brands
C) Verizon
D) All of the above

Question 37

Which of the following companies offers customers VoIP?

A) Skype
B) Rip Curl
C) Sabre
D) All of the above

Question 38

What allows the management of networked nodes to be managed from a single point?

A) File transfer protocol (FTP)
B) Simple mail transfer protocol (SMTP)
C) Hypertext transfer protocol (HTTP)
D) Simple network management protocol (SNMP)

Question 39

Which of the following is not a significant challenge associated with VPNs and VANs?

A) They handle only limited kinds of business information
B) They offer little support for the real-time business process integration
C) They are relatively inexpensive and easy to implement
D) None of the above

Question 40

What is a virtual private network?

A) Are natural parts of the Earth's environment that can be used as physical paths to carry electrical signals.
B) A way to use the public telecommunication infrastructure (e.g., Internet) to provide secure access to an organization's network
C) A private network, provided by a third party, for exchanging information through a high capacity connection.
D) Refers to a type of cable composed of four (or more) copper wires twisted around each other within a plastic sheath

Question 41

Packet switching is an intelligent connecting device that examines each packet of data it receives and then decides which way to send it onward toward its destination.

Question 42

Architecture, ____________, protocols, and media are the four network differentiators.

Question 43

Broadband generally refers to high-speed Internet connections transmitting data at speeds greater than 200 kilobytes per second, compared to the 56 kbps maximum speed offered by traditional dial-up connections.

Question 44

____________ is a physical and data layer technology for LAN networking

Question 45

What refers to high-speed Internet connections transmitting data at speeds greater than 200 Kbps, compared to the 56 kbps maximum speed offered by traditional dial-up connections?

A) Broadband
B) Bluetooth
C) GIS
D) RFID

Question 46

Retailers are working furiously to integrate their ebusiness sites with their inventory and point-of-sale systems so they can accept in-store returns of merchandise bought online and allow customers to buy on the web and pick up in the store.

Question 47

There are ____________ layers in the OSI model.

Question 48

Simple Mail Transfer Protocol (SMTP) is TCP/IP's own messaging system for email.
Telnet Protocol Provides terminal emulation that allows a personal computer or workstation to act as a terminal, or access device, for a server.

Question 49

____________ is the capability of two or more computer systems to share data and resources, even though they are made by different manufacturers.

Question 50

A valued-added network is a way to use the public telecommunication infrastructure to provide secure access to an organization's network.

Question 51

Which of the following represents Gbps?

A) Thousand bits per second
B) Million bits per second
C) Billion bits per second
D) None of the above

Question 52

What combines the functions of a cellular phone and a PDA in a single device?

A) GPS
B) RFID
C) Smartphone
D) VoIP

Question 53

Transmission speed means how fast the signal travels in terms such as miles per hour.

Question 54

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

Question 55

File Transfer Protocol (FTP) allows files containing text, programs, graphics, numerical data, and so on to be downloaded off or uploaded onto a network.

Question 56

Hypertext Transfer Protocol (HTTP) uses TCP/IP technology to transmit voice calls over long-distance telephone lines.

Question 57

Transmission Control Protocol/ _________ Protocol provides the technical foundation for the public Internet as well as for large numbers of private networks.

Question 58

VoIP routes calls through the same paths used by network and Internet traffic, therefore it has the same vulnerabilities and is subject to the same Internet threats.

Question 59

Network transmission media refers to the various types of media used to carry the signal between computers.

Question 60

A ____________ network topology has groups of star-configured workstations connected to a linear bus backbone cable.

Question 61

____________ measures cycles per second, and baud is the number of signals sent per second.

Question 62

Identify the different media types found in networks

Question 63

Compare LANs, WANs, and MANs.

Question 64

Identify the advantages and disadvantages of broadband technology.

Question 65

Explain topology and the different types found in networks.

Question 66

List and describe many of the network security problems.

Question 67

Explain the difference between a VPN and a VAN.

Question 68

________ generally refers to high-speed Internet connections transmitting data at speeds greater than 200 kilobytes per second, compared to the 56 kbps maximum speed offered by traditional dial-up connections.

Question 69

List and describe the four components that differentiate networks.

Question 70

Compare the two types of network architectures.

Question 71

Describe the business benefits associated with VoIP.

Question 72

Describe TCP/IP along with its primary purpose.

Question 73

Compare LANs, WANs, and MANs.