Deck 6: Data Communications

Question 1

The difference between a SDSL connection and a ADSL connection is

A)ADSL lines have different upload and download speeds.
B)ADSL and SDSL are the same.
C)DSL lines have different upload and download speeds.
D)data transmission and voice transmission can occur at the same time with ADSL and not with SDSL.
E)data transmission and voice transmission can occur at the same time with SDSL and not with ADSL.

Answer 1

A

Question 2

How do successful professionals often build personal human networks?

A)By meeting people at professional and social situations,collecting and passing out cards,and engaging in pleasant conversation.
B)By making connections on Facebook.
C)By networking only when they are looking for a job.
D)By limiting their social contacts to only those people they know will be useful in their professional life.
E)By letting people know they are interested in business connections only.

Answer 2

A

Question 3

Which of the following is the device which allows users to connect to a wireless network

A)a switch.
B)a hub.
C)a wireless gateway.
D)a router.
E)an access point.

Answer 3

E

Question 4

Broadband communications have transmission speeds in excess of

A)1)2 terabps.
B)256 kbps.
C)512 kbps.
D)1024 kbps.
E)248 kbps.

Question 5

A DSL modem that is always connected is more ___________than a dial -up modem.

A)latent
B)secure
C)practical
D)transparent
E)robust

Question 6

Which of the following is an example of a packet switched network?

A)WLAN
B)The Internet
C)SAN
D)LAN
E)Ethernet

Question 7

100 Mbps stands for

A)1 073 741 824 bit per second.
B)100 000 bit per second.
C)1 048 576 bit per second.
D)100 000 000 bit per second.
E)100 000 000 000 bit per second.

Question 8

Which of the following offers the same fast speed with both upload and download?

A)Cable modem connection
B)ADSL
C)Dialup
D)PSTN connection
E)SDSL

Question 9

___________consist of computers at a single organizational site that are connected using cables.

A)LANs
B)Tunnels
C)VPNs
D)WLANs
E)WANs

Question 10

MAC stands for

A)Media Access Control.
B)Media Access Controls.
C)Media Address Control.
D)Medium Access Control.
E)Maximum Access Control.

Question 11

A(n) _____________connects computers at different geographic locations.

A)WlAN
B)root server
C)LAN
D)Internet tunnel
E)WAN

Question 12

The Advanced Research Projects Agency Network (ARPANET)is funded by

A)IBM.
B)NASA.
C)US Department of Commerce.
D)Microsoft.
E)US Department of Defense.

Question 13

In order for a printer or laptop to connect to a wireless LAN they must have a

A)PPP.
B)NIC.
C)browser.
D)switch.
E)WNIC.

Question 14

Computers and printers on a LAN are connected to a ___________ to communicate and transmit messages on the LAN.

A)http server
B)routing table
C)TLD
D)switch
E)root server

Question 15

DSL is implemented in ___________ media.

A)optical fiber cable
B)UTP
C)wireless
D)Ethernet
E)transmission

Question 16

Wireless devices connect to a wireless LAN using a(n)

A)switch.
B)root server.
C)routing table.
D)cable.
E)access point.

Question 17

The computers on ___________ are usually within a kilometre of each other.

A)a system
B)a LAN
C)a WAN
D)a root server
E)the Internet

Question 18

A computer___________ is a collection of computers that communicate with one another over transmission lines.

A)server
B)database
C)application
D)network
E)system

Question 19

When using Google Docs in a collaborative group project,workflow ensures

A)the network is up and functioning.
B)all members know how to use the applications.
C)one member's work does not interfere with another member's work.
D)all members have access to the applications.
E)the project work gets completed.

Question 20

Smart phones

A)are cellular phones with a powerful processor,sophisticated operating system,and a cellular network connection.
B)are mobile devices that offers a wide variety of services.
C)are Apple iPhones.
D)are Blackberries.
E)have not seen any real agreement as to what they are.

Question 21

___________is the most popular LAN standard.

A)TCP/IP
B)UML
C)Ethernet
D)802.11g
E)OSI

Question 22

Joel wants to connect his 5 home PCs together.Which of the following cables would best suit the purpose?

A)Unshielded twisted pair
B)Phone wires
C)Optical fibre cables
D)Coaxial cable
E)Shield twisted pair cable

Question 23

A___________ is a set of rules that two communicating devices follow.

A)language
B)protocol
C)LAN
D)WAN
E)standard

Question 24

___________lines typically have transmission speeds of less than 256 kbps.

A)Narrowband
B)Broadband
C)Optical fibre
D)Wireless
E)Thinband

Question 25

___________Is good for homes and small businesses because they receive more data than they transmit.

A)DSL
B)ADSL
C)Optical fibre
D)SDSL
E)UTP

Question 26

A common protocol for leased lines is

A)Network Address Translation Protocol.
B)File Transfer Protocol.
C)Transmission Control Protocol/Internet Protocol.
D)Simple Mail Transfer Protocol.
E)Point to Point Protocol.

Question 27

__________ provide the fastest data transmission speeds.

A)Optical fibre cables
B)Coaxial cables
C)UTP
D)Microwaves
E)Twisted pair lines

Question 28

Many organization use collaboration because

A)the infrastructure to use collaboration exist in the organization.
B)it makes for more effective business processes.
C)it takes advantages of business graduates excellent communication skills.
D)the results can be greater than the results produced by a single individual.
E)workflow control software exists.

Question 29

By expanding your personal professional network on LinkedIn

A)you are taking advantages of technology.
B)you are taking advantage of network externalities.
C)you are taking advantages of your professional contacts.
D)you are creating a local network.
E)you have joined the trend of collaboration.

Question 30

A(n)___________ is a network of networks.

A)Internet
B)transmission network
C)intranet
D)LAN
E)WAN

Question 31

___________transmits signals using light rays.

A)Coaxial cable
B)UTP
C)Radiowaves
D)Optical fibre cable
E)Microwaves

Question 32

A(n)__________ provides you with a legitimate Internet address and serves as your gateway to the Internet.

A)TCP/IP
B)VPN
C)ISP
D)SMTP
E)switch

Question 33

___________is the dominant WLAN standard today.

A)802.11b
B)802.3
C)802.11g
D)802.11n
E)802.11a

Question 34

The DHCP server in the device access router issues

A)security warnings.
B)connections to the modem.
C)routing signals.
D)printer drivers.
E)IP addresses.

Question 35

What is a web crawler?

A)A software program that keeps track of changes on web sites.
B)A person who does research on the web on behalf of companies.
C)A software program that searches the web for content.
D)A person who does research on behalf of law enforcement.
E)A software program that browses the web in a very methodical way.

Question 36

HTTPS and SSL/TLS utilize which of the following?

A)a combination of public key/private key and symmetric encryption
B)private keys only
C)public keys only
D)asymmetric encryption
E)a combination of public key/private key and asymmetric encryption

Question 37

IEEE 802.3 is the most popular LAN __________ in use today.

A)TLD
B)switch
C)protocol
D)architecture
E)encryption

Question 38

According to the text,"weak ties" can

A)connect us to the same number of people as strong links.
B)be crucial to connecting you to everyone by six degrees.
C)be a hindrance for connecting to everyone by six degrees.
D)hinder our networking abilities.
E)be impossible in social settings.

Question 39

Broadband connections typically have connection speeds

A)great than 56 kbps.
B)less than 56 kbps.
C)less than 128 kbps.
D)less than 256 kbps.
E)greater than 256 kbps.

Question 40

Which of the following connects computers at different geographic locations?

A)PTSN
B)SAN
C)Ethernet
D)WAN
E)LAN

Question 41

Optical fibre cables carry signals with

A)radio waves.
B)light rays.
C)electronic signals.
D)x -rays.
E)magnetic waves.

Question 42

Knowing the basic terminology of computer networks and how they work make you a more informed__________ of computer networks.

Question 43

A(n)__________uses the Internet or a private internet to create the appearance of private point -to -point connections

A)SDSL
B)PSTN
C)ADSL
D)YNPN
E)VPN

Question 44

A__________ must be used to convert an analog signal to a digital one,when trying to transmit data over a typical phone line.

A)frame relay
B)tunnel
C)SOHO
D)modem
E)fiber optic switch

Question 45

A(n) __________connects printers,and computers to a LAN and has a unique identifier.

Question 46

A(n)__________ is a device that converts digital signals to analog signals.

Question 47

A network that reside in a single geographic location on the premises of the company is called a(n)

A)WAN.
B)SAN.
C)Ethernet.
D)Internet.
E)LAN.

Question 48

__________ are important since many geographically or time distributed business meetings occur in today's business environment

Question 49

The 802.11n standard allows speeds up to

A)108 Mbps.
B)216 Mbps.
C)54 Mbps.
D)256 Mbps.
E)248 Mbps.

Question 50

In order to provide competitive advantage the information on Emerson's blog needs to be kept __________ .

Question 51

At least one access point is required for a(n) __________ network.

Question 52

Which of the following applies to asymmetric encryption?

A)It is used in IM.
B)Only one key is used.
C)It is simpler than symmetric encryption.
D)It is faster than symmetric encryption.
E)One key encodes the message,one key decodes the message.

Question 53

A large company with production facilities in Vancouver,Saskatoon,and Halifax would probably use__________ lines to transmit large amounts of data between the sites.

A)leased
B)narrowband
C)broadband
D)thinband
E)wireless

Question 54

A(n)_____connects computers that reside in a single geographic location.

Question 55

Which of the following is an example of a protocol?

A)GPS
B)TIP/CP
C)IEEE 802.3
D)SDSL
E)DNS

Question 56

A network of networks is known as a(n) __________.

Question 57

__________ lines are most useful when an organization has large amounts of traffic between two sites.

A)Twisted pair
B)WAN
C)optic fibre
D)Private
E)Leased

Question 58

Narrowband connections typically have connection speeds

A)great than 56 kbps.
B)greater than 256 kbps.
C)less than 256 kbps.
D)less than 128 kbps.
E)less than 56 kbps.

Question 59

In general,the people you know the least,contribute the __________ to your social network.

Question 60

A(n)__________ uses the Internet or other networks to create the appearance of private, point -to -point connections.

A)URL
B)ATM
C)ethernet
D)VPN
E)SMTP

Question 61

Network devices have two addresses; a physical MAC address and a logical__________ .

Question 62

A WAN alternative that uses the Internet or a private internet to create the appearance of private point -to -point connections is called a(n) __________.

Question 63

A(n) __________ is a virtual private pathway over a public or shared network from the VPN client to the VPN server.

Question 64

A critical factor in the effectiveness of collaboration is __________ management.

Question 65

A(n)__________ uses the Internet or other network to create the appearance of private, point -to -point connections.

Question 66

Computers at different geographic locations are connected with a(n)__________ .

Question 67

Copper wire,optical fibre and wireless media can be referred to as__________ .

Question 68

In social network theory,_______ties often contribute the most to your social network.

Question 69

A(n)______is a tool used to encrypt data.

Question 70

Networks like LinkedIn are not limited in their growth.

Question 71

A collection of computers that communicate with one another over transmission lines is called a(n)___________ .

Question 72

Any text sent via https is ________and therefore is relatively safe.

Question 73

When deciding if a search engine will be efficient in getting search results,consider breadth of coverage and the ordering of __________ .

Question 74

To ensure security,VPN client software__________ the original message so that its contents are hidden.

Question 75

Since most search engines are operated by private for profit companies one must also consider the effect of __________ on their positioning in search results.

Question 76

We have witnessed exponential growth in a number of computer network phenomena,including the number of internet connections and the amount of data accessible on the Internet.

Question 77

The__________ is a unique identifier built into the NIC when it is manufactured.

Question 78

A Local Area Network (LAN)would be used to connect computers located in Calgary and Montreal.

Question 79

Every business,every organization,needs to be thinking about the ubiquitous and cheap __________ that is growing exponentially.

Question 80

__________ applications allow mobile phones to conduct certain types of transactions.