E-Commerce Chapter 3
Which of the following statements about cloud computing is not true? A public cloud is typically used by companies with stringent privacy and security requirements. A private cloud may be hosted internally or externally. Dropbox is an example of a public cloud. Hybrid clouds offer both public and private cloud options.
a public cloud is typically used by companies with stringent privacy and security requirements
The Internet Layer of TCP/IP is responsible for which of the following? placing packets on and receiving them from the network medium providing a variety of applications with the ability to access the services of the lower layers providing communication with the application by acknowledging and sequencing the packets to and from the application addressing, packaging, and routing messages
addressing, packaging, and routing messages
Where does TLS operate within TCP/IP? between the Internet Layer and the Transport Layer between the Internet Layer and the Application Layer between the Transport Layer and the Application Layer between the Network Interface Layer and the Transport Layer
between the transport layer and the application layer
Which of the following technologies has enabled the Internet to grow exponentially to support millions of users, without overloading the network architecture? Wi-Fi IPv6 fiber optics client/server computing
client/server computing
During which phase of the development of the Internet was the Domain Name System (DNS) introduced? consolidation phase innovation phase commercialization phase institutional phase
institutional phase
Cortana is a type of: gadget. widget. intelligent digital assistant. social network.
intelligent digital assistant.
The process of slicing digital messages into parcels, sending them along different communication paths as they become available, and reassembling them at the destination point is called: packet switching. the Transmission Control Protocol. routing. the File Transfer Protocol.
packet switching
Which of the following is a set of rules for transferring data? protocol IP address router packet
protocol
The Transport Layer of TCP/IP is responsible for which of the following? providing communication with the application by acknowledging and sequencing the packets to and from the application addressing, packaging, and routing messages providing a variety of applications with the ability to access the services of the lower layers placing packets on and receiving them from the network medium
providing communication with the application by acknowledging and sequencing the packets to and from the application
Which of the following are central directories that list all domain names currently in use for specific domains? client servers Web servers root servers DNS servers
root servers
which of the following are specialized computers that transmit message parcels along available Internet communication paths and on to their destinations? IP servers packet servers routers Web servers
routers
Which of the following is not a concern about IoT? privacy the falling cost of sensors interoperability security
the falling cost of sensors
Which of the following is not a concern about IoT? the falling cost of sensors privacy interoperability security
the falling cost of sensors
Google Cardboard is an example of which of the following? virtual reality artificial intelligence chatbot augmented reality
virtual reality
Which of the following IEEE standards provide for high-speed short-range Wi-Fi? 802.11ad 802.11af 802.11ah 802.11ay
802.11ad
Which of the following statements about cloud computing is not true? A public cloud is typically used by companies with stringent privacy and security requirements. Dropbox is an example of a public cloud. Hybrid clouds offer both public and private cloud options. A private cloud may be hosted internally or externally.
A public cloud is typically used by companies with stringent privacy and security requirements
The Web runs in which layer of Internet architecture? Network Technology Substrate layer Middleware Services layer Transport Services and Representation Standards layer Applications layer
Applications layer
Which of the following was the most popular web browser as of August 2018? Firefox Chrome Internet Explorer Safari
Chrome
Which of the following is not an advantage of client/server computing over centralized mainframe computing? -There is less risk that a system will completely malfunction because backup or mirror servers can pick up the slack if one server goes down. -Client/server networks are less vulnerable, in part because the processing load is balanced over many powerful smaller computers rather than concentrated in a single huge computer. -It is easy to expand capacity by adding servers and clients. -Each client added to the network increases the network's overall capacity and transmission speeds.
Each client added to the network increases the network's overall capacity and transmission speeds.
Bluetooth is a high-speed, fixed broadband wireless local area network for commercial and residential use. True False
False
Tier 1 ISPs provide Internet access to consumers and businesses. True False
False
WLAN-based Internet access derives from the same technological foundations as telephone-based wireless Internet access. True False
False
Which of the following is not a basic type of cloud computing service? PaaS SaaS IaaS FiOS
FiOS
All of the following statements about HTML5 are true except: HTML5 is an important tool for both response web design and adaptive web delivery. HTML5 apps work just like web pages. HTML5 stores page content into mobile device hardware rather loading into the browser from a web server. HTML5 has become the de facto web page development standard.
HTML5 stores page content into mobile device hardware rather loading into the browser from a web server.
Which of the following organizations involved with Internet governance has the United States recently given up control over? NTIA ICANN IANA IGF
IANA
The ________ is a consortium of corporations, government agencies, and nonprofit organizations that monitors Internet policies and practices. World Wide Web Consortium (W3C) Internet Engineering Steering Group (IESG) Internet Society (ISOC) Internet Engineering Task Force (IETF)
Internet Society (ISOC)
The layer of Internet architecture that ties the applications to the communications network and includes security and authentication services is called the: Network Technology Substrate layer. Middleware Services layer. Transport Services and Representation Standards layer. Applications layer.
Middleware Services layer
The first web browser to make it possible to view documents on the Web with colored background, images, and animations was: Internet Explorer. Mosaic. Netscape Navigator. Mozilla.
Mosaic
Which of the following statements about fiber-optic cable is not true? It transmits more data at faster speeds than coaxial or twisted pair cable. Most U.S. homes have fiber connections. Long-haul fiber optic networks are typically owned by firms referred to as Tier I ISPs. It is thinner and lighter than coaxial or twisted pair cable.
Most U.S. homes have fiber connections
________ is a utility program that allows you to check the connection between your client and a TCP/IP network. Tracert Finger Ping Telnet
Ping
Which of the following is a programming language introduced by Apple specifically for developing iOS applications? Swift C Objective-C C++
Swift
Which of the following is the core communications protocol for the Internet? Telnet TCP/IP TLS FTP
TCP/IP
________ is used to allow remote login on another computer. Telnet HTTP FTP SSL
Telnet
The backbone of the Internet is formed by: Internet Exchange Points (IXPs). Network Access Points (NAPs). Metropolitan Area Exchanges (MAEs). Tier 1 ISPs.
Tier 1 ISPs
TCP/IP operates in which layer of Internet architecture? Network Technology Substrate layer Middleware Services layer Transport Services and Representation Standards layer Applications layer
Transport Services and Representation Standards layer
FTP is the protocol that permits users to transfer files from a server to their client computer, and vice versa. True False
True
HTML defines the structure of a web page. True False
True
HTTP/2 is supported by almost all the leading web browsers. True False
True
T1 and T3 refer to international telephone standards for digital communication. True False
True
The Internet of Things (IoT) is based on sensors that can collect data and connect to the Internet. True False
True
All of the following are involved in the effort to create standards for IoT except: A: AllSeen Alliance. B: Open Connectivity Foundation. C: Industrial Internet Consortium. D: W3C.
W3C
All of the following are involved in the effort to create standards for IoT except: Industrial Internet Consortium. AllSeen Alliance. Open Connectivity Foundation. W3C.
W3C