Deck 12: Electronic Commerce Systems

Question 1

Business-to-consumer is the largest segment of Internet commerce.

Answer 1

False

Question 2

IP spoofing is a form of masquerading to gain unauthorized access to a web server.

Answer 2

True

Question 3

Because of network protocols,users of networks built by different manufacturers are able to communicate and share data.

Answer 3

True

Question 4

A network topology is the physical arrangement of the components of the network.

Question 5

Cookies are files created by user computers and stored on web servers.

Question 6

Electronic commerce refers only to direct consumer marketing on the Internet.

Question 7

A bus topology is less costly to install than a ring topology.

Question 8

A smurf attack involves three participants: a zombie,an intermediary,and the victim.

Question 9

Sniffing is the unauthorized transmitting of information across an intranet.

Question 10

A factor that contributes to computer crime is the reluctance of many organizations to prosecute criminals for fear of negative publicity.

Question 11

A distributed denial of service (DDoS)attack may take the form of a SYN flood but not a smurf attack.

Question 12

Only two types of motivation drive DoS attacks: 1)to punish an organization with which the perpetrator had a grievance; and 2)to gain bragging rights for being able to do it.

Question 13

The rules that make it possible for users of networks to communicate are called protocols.

Question 14

The network paradox is that networks exist to provide user access to shared resources while one of their most important objectives is to control access.

Question 15

The phrase .com has become an Internet buzz word.It refers to a top-level domain name for communications organizations.

Question 16

The client-server model can only be applied to ring and star topologies.

Question 17

Business risk is the possibility of loss or injury that can reduce or eliminate an organization's ability to achieve its objectives.

Question 18

The standard format for an e-mail address is DOMAIN NAME@USER NAME.

Question 19

The bus topology connects the nodes in parallel.

Question 20

A digital signature is a digital copy of the sender's actual signature that cannot be forged.

Question 21

A ping is used to test the state of network congestion and determine whether a particular host computer is connected and available on the network.

Question 22

A certification authority is an independent and trusted third party empowered with responsibility to vouch for the identity of organizations and individuals engaging in Internet commerce.

Question 23

The intermediary in a smurf attack is also a victim.

Question 24

The most frequent use of EDI is in making vendor payments.

Question 25

Cookies are created by the web server of a visited site and are stored on the hard drive of the visitor's computer.

Question 26

What do you call a system of computers that connects the internal users of an organization that is distributed over a wide geographic area?

A)LAN
B)decentralized network
C)multidrop network
D)intranet

Question 27

Cloud computing is decreasing as hardware resources become cheaper because acquisition of resources is slow and not scalable.

Question 28

Protocols

A)facilitate the physical connection between the network devices
B)synchronize the transfer of data between physical devices
C)provide a basis for error checking and measuring network performance
D)all of the above

Question 29

A virtual private network

A)is a password-controlled network for private users rather than the general public
B)is a private network within a public network
C)is an Internet facility that links user sites locally and around the world
D)defines the path to a facility or file on the web

Question 30

In a hierarchical topology,network nodes communicate with each other via a central host computer.

Question 31

Which topology has a large central computer with direct connections to a periphery of smaller computers? Also in this topology,the central computer manages and controls data communications among the network nodes.

A)star topology
B)bus topology
C)ring topology
D)client/server topology

Question 32

A ping signal is used to initiate

A)URL masquerading
B)digital signature forging
C)Internet protocol spoofing
D)a smurf attack

Question 33

To physically connect a workstation to a LAN requires a

A)file server
B)network interface card
C)multiplexer
D)bridge

Question 34

HTML controls web browsers that access the web.

Question 35

Polling is one technique used to control data collisions.

Question 36

Cloud computing is the technology that has unleashed virtualization.

Question 37

Network protocols fulfill all of the following objectives except

A)facilitate physical connection between network devices
B)provide a basis for error checking and measuring network performance
C)promote compatibility among network devices
D)creation of inflexible standards

Question 38

EDI is the intercompany exchange of computer processible business information in standard format.

Question 39

The more individuals that need to exchange encrypted data,the greater the chance that the key will become known to an intruder.To overcome this problem,private key encryption was devised.

Question 40

Packet switching

A)combines the messages of multiple users into one packet for transmission. At the receiving end, the packet is disassembled into the individual messages and distributed to the intended users.
B)is a method for partitioning a database into packets for easy access where no identifiable primary user exists in the organization.
C)is used to establish temporary connections between network devices for the duration of a communication session.
D)is a denial of service technique that disassembles various incoming messages to targeted users into small packages and then reassembles them in random order to create a garbled message.

Question 41

In a ring topology

A)the network consists of a central computer which manages all communications between nodes
B)a host is computer connected to several levels of subordinate computers
C)all nodes are of equal status; responsibility for managing communications is distributed among the nodes
D)information processing units rarely communicate with each other

Question 42

HTML

A)is the document format used to produce web pages
B)controls web browsers that access the web
C)is used to connect to Usenet groups on the Internet
D)is used to transfer text files, programs, spreadsheets, and databases across the Internet

Question 43

The primary difference between a LAN and a WAN is

A)the geographical area covered by the network
B)the transmission technology used
C)the type of workstation used
D)the size of the company

Question 44

A message that is made to look as though it is coming from a trusted source but is not is called

A)a denial of service attack
B)digital signature forging
C)Internet protocol spoofing
D)URL masquerading

Question 45

A digital signature is

A)the encrypted mathematical value of the message sender's name
B)derived from the digest of a document that has been encrypted with the sender's private key
C)the computed digest of the sender's digital certificate
D)a tool that allows digital messages to be sent over analog telephone lines

Question 46

FTP

A)is the document format used to produce web pages
B)controls web browsers that access the web
C)is used to connect to Usenet groups on the Internet
D)is used to transfer text files, programs, spreadsheets, and databases across the Internet

Question 47

Which one of the following statements is correct?

A)Cookies always contain encrypted data.
B)Cookies are text files and never contain encrypted data.
C)Cookies contain the URLs of sites visited by the user.
D)Web browsers cannot function without cookies.

Question 48

Which of the following statements is correct? The client-server model

A)is best suited to the token-ring topology because the random-access method used by this model detects data collisions
B)distributes both data and processing tasks to the server's node
C)is most effective used with a bus topology
D)is more efficient than the bus or ring topologies

Question 49

In a star topology,when the central site fails

A)individual workstations can communicate with each other
B)individual workstations can function locally but cannot communicate with other workstations
C)individual workstations cannot function locally and cannot communicate with other workstations
D)the functions of the central site are taken over by a designated workstation

Question 50

Which method does not manage or control data collisions that might occur on a network?

A)multiplexing
B)polling
C)carrier sensing
D)token passing

Question 51

An IP address

A)defines the path to a facility or file on the web
B)is the unique address that every computer node and host attached to the Internet must have
C)is represented by a 64-bit data packet
D)is the address of the protocol rules and standards that govern the design of Internet hardware and software

Question 52

NNTP

A)is the document format used to produce web pages
B)controls web browsers that access the web
C)is used to connect to Usenet groups on the Internet
D)is used to transfer text files, programs, spreadsheets, and databases across the Internet

Question 53

Which of the following statements is correct about TCP/IP?

A)It is the basic protocol that permits communication between Internet sites.
B)It controls web browsers that access the Internet.
C)It is the file format used to produce web pages.
D)It is a low-level encryption scheme used to secure transmissions in HTTP format.

Question 54

All of the following are true about the Open System Interface (OSI)protocol except

A)within one node different layers communicate with other layers at that node
B)one protocol is developed and applied to all the OSI layers
C)specific layers are dedicated to hardware tasks and other layers are dedicated to software tasks
D)layers at each node communicate logically with their counterpart layers across nodes

Question 55

A star topology is appropriate

A)for a wide area network with a mainframe for a central computer
B)for centralized databases only
C)for environments where network nodes routinely communicate with each other
D)when the central database does not have to be concurrent with the nodes

Question 56

In a ring topology,all of the following are true except

A)all nodes are of equal status
B)nodes manage private programs and databases locally
C)shared resources are managed by a file server which is a node on the ring
D)a central computer is designated to control traffic between the peers

Question 57

IP spoofing

A)combines the messages of multiple users into a "spoofing packet" where the IP addresses are interchanged and the messages are then distributed randomly among the targeted users
B)is a form of masquerading to gain unauthorized access to a web server
C)is used to establish temporary connections between network devices with different IP addresses for the duration of a communication session
D)is a temporary phenomenon that disrupts transaction processing and resolves itself when the primary computer completes processing its transaction and releases the IP address needed by other users

Question 58

A distributed denial of service (DDoS)attack

A)is more intensive that a DoS attack because it emanates from single source
B)may take the form of either a SYN flood or smurf attack
C)is so named because it effects many victims simultaneously, which are distributed across the Internet
D)turns the target victims' computers into zombies that are unable to access the Internet

Question 59

The client-server topology

A)increases the amount of data that is transmitted between the central file and the network node
B)eliminates the need for nodes to communicate with each other
C)reduces the number of records that must be locked by having the file server perform record searches
D)functions only with a ring and bus topology

Question 60

Sniffer software is

A)software used by malicious websites to sniff data from cookies stored on the user's hard drive
B)used by network administrators to analyze network traffic
C)used by bus topology intranets to sniff for a carrier before transmitting a message to avoid data collisions
D)an illegal program downloaded from the Internet to sniff passwords from the encrypted data of Internet customers

Question 61

What is spoofing?

Question 62

What is a URL?

Question 63

List at least five top-level domain names used in the United States and what they indicate.

Question 64

What are cookies and why are they used?

Question 65

When are a bridge and a gateway used to connect networks?

Question 66

Why is network control needed? What tasks are performed?

Question 67

What is a ping?

Question 68

Describe one disadvantage to carrier sensing as a network control method.

Question 69

What is an extranet?

Question 70

Describe an advantage to the client-server topology.

Question 71

Explain the parts of an e-mail address and give an example (your own?).

Question 72

Describe one primary advantage of polling as a network control method.

Question 73

Name the three types of addresses used on the Internet.

Question 74

What is an IRC?

Question 75

What is packet switching?

Question 76

Name the three parties involved in a smurf attack.

Question 77

This class of cloud computing enables client firms to develop and deploy onto the cloud infrastructure consumer-generated applications using facilities provided by the vendor.

A)computing-as-a-service
B)infrastructure-as-a-service
C)platform-as-a-service
D)software-as-a-service

Question 78

The provision of computing power and disk space to client firms who access it from desktop PCs is known as

A)computing-as-a-service
B)infrastructure-as-a-service
C)platform-as-a-service
D)software-as-a-service

Question 79

What is an IP address?

Question 80

HTTP

A)is the document format used to produce web pages
B)controls web browsers that access the web
C)is used to connect to Usenet groups on the Internet
D)is used to transfer text files, programs, spreadsheets, and databases across the Internet