Deck 10: Networks and Collaboration

Question 1

DSL (digital subscriber line) modems require special cables for transmission.

Answer 1

False

Question 2

The 802.11b standard is the dominant WLAN standard today.

Answer 2

False

Question 3

According to the text, networking "weak" ties is not the best strategy for increasing the number of people in your network.

Answer 3

False

Question 4

An access point converts wired LAN to wireless LAN.

Question 5

An analog signal is a digital format.

Question 6

A modem converts a TCP/IP signal to a wireless format.

Question 7

Generally speaking, analog signals are better than digital signals.

Question 8

DSL stands for digital signal line and operates on the same lines as voice telephones and dial-up modems.

Question 9

The fastest WLAN standard in use today is 802.11n.

Question 10

A virtual private network (VPN) is a type of WAN.

Question 11

An ISP functions as a gateway to the internet.

Question 12

A local area network (LAN) would be used to connect computers located in Calgary and Montreal.

Question 13

VPN stands for "visual protocol network."

Question 14

Coaxial cable lines offer faster transmission speeds than optical fibre lines.

Question 15

At company social events, talking to people you don't know will help expand your business network only if you know how these new acquaintances can help you.

Question 16

Effective collaboration results are greater that any results produced by individuals working alone.

Question 17

Satellite transmission is often part of a wide area network (WAN).

Question 18

VPNs enable remote access with public internet lines.

Question 19

A tunnel is a virtual, private pathway over a public or shared network from the VPN client to the VPN server.

Question 20

Twisted pair copper lines are used in DSL modems.

Question 21

1 Mbps stands for

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

Question 22

Which of the following connects computers at different geographic locations?

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

Question 23

GPS satellites operate using radio signals.

Question 24

With symmetric encryption, different keys are used; one key encodes the message, and the other key decodes the message.

Question 25

Smartphones combine powerful processors with only voice applications.

Question 26

A web crawler is used to find and collect URLs.

Question 27

Which of the following is an example of a protocol?

A) GPS
B) SDSL
C) DNS
D) WAN
E) IEEE 802.3

Question 28

A ________ is a set of rules that two communicating devices follow.

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

Question 29

MAC stands for

A) maximum access control.
B) medium access control.
C) media access controls.
D) media address Control.
E) media access Control.

Question 30

Optical fibre cables carry signals with

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

Question 31

In symmetric encryption, the same key is used to encode and to decode.

Question 32

HTTPS is a protocol for secure communication over the internet.

Question 33

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

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

Question 34

Networks like LinkedIn are not limited in their growth.

Question 35

ISPs cannot commit to offer performance-level guarantees to users.

Question 36

In most LANs, the DHCP server assigns

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

Question 37

Workflow control is required in collaborative work so that one worker's work does not interfere with another worker's work.

Question 38

The network effect is the effect that the larger the number of people using the network the more valuable the network.

Question 39

Communication skills and culture are critical factors in collaboration efforts.

Question 40

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

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

Question 41

________ consist of connected computers at a single organizational site.

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

Question 42

The ________ is a network of networks.

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

Question 43

What is a web crawler?

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

Question 44

Cable modems provide high-speed data transmission using

A) random access filter lines.
B) four point distributor.
C) telephone lines.
D) television cable lines.
E) dual overhead cams.

Question 45

The difference between an SDSL connection and an ADSL connection is

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

Question 46

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

A) Dial-up
B) Cable modem connection
C) PSTN connection
D) ADSL
E) SDSL

Question 47

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

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

Question 48

________ is the most popular LAN standard.

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

Question 49

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

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

Question 50

A(n) ________ uses the internet or other networks to create the appearance of private point-to-point connections.

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

Question 51

DSL lines that have different upload and download speeds are called?

A) Analog connection lines
B) Asymmetric digital subscriber lines
C) Sympathetic ratio lines
D) Canop digiframs
E) Universal differentials

Question 52

The 802.11n standard allows speeds up to

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

Question 53

A(n) ________ connects computers at different geographic locations.

A) WlAN
B) LAN
C) GPS SYSTEM
D) WAN
E) root server

Question 54

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

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

Question 55

Mobile banking and mobile ticket purchases are examples of

A) packet processing.
B) advanced SDSL.
C) optical fibre cables.
D) the network effect.
E) m-commerce.

Question 56

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

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

Question 57

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

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

Question 58

A computer ________ is a collection of computers that communicate with one another through transmission media.

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

Question 59

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

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

Question 60

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

A) A hub
B) A router
C) A wireless gateway
D) A switch
E) An access point

Question 61

According to the text, "weak ties" can

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

Question 62

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

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

Question 63

________ is the fastest WLAN standard today.

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

Question 64

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

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

Question 65

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

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

Question 66

HTTPS and SSL/TLS utilize which of the following?

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

Question 67

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

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

Question 68

A DSL modem that is always connected is ________ than a dial-up modem.

A) more latent
B) more robust
C) more practical
D) faster
E) more secure

Question 69

Many organizations use collaboration because

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

Question 70

Which of the following applies to asymmetric encryption?

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

Question 71

In the TCP/IP system, Layer 4 is used to

A) describe the communications equipment.
B) pass data between programs and the transport layer.
C) control packet organization.
D) control the wireless devices in the network.
E) open the connections and maintain them.

Question 72

________ make(s) the internet efficient and resilient.

A) Network Address Translation Protocol
B) VPNs
C) File transfer protocols
D) Web browsers
E) Packet switching

Question 73

The internet is a

A) LAN.
B) WAN.
C) ISP.
D) HTPP.
E) DSL.

Question 74

WWANs

A) are no bigger than a kilometre across.
B) are bigger than WLANs but slower.
C) are run on optical fibre.
D) use the 10/100/1000 standard.
E) are bigger than WLANs and use cellular networks.

Question 75

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

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

Question 76

The use of ________ allows us to be connected with anything, anywhere, and at any time.

A) NICs.
B) switch.
C) routing tables.
D) smartphones.
E) access point.

Question 77

DSL connection is implemented in ________ media.

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

Question 78

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

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

Question 79

________ provide the fastest data transmission speeds.

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

Question 80

________ transmits signals using light rays.

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