Exam 2: E-Commerce Infrastructure

A) mobile apps have usurped television as the most popular entertainment medium.
B) iOS apps are cross-platform, open-source applications.
C) over 200 billion apps have been downloaded from the Apple App Store.
D) almost all the top 100 brands have a presence in at least one of the major app stores.

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A) It is easy to expand capacity by adding servers and clients.
B) Each client added to the network increases the network's overall capacity and transmission speeds.
C) 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.
D) 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.

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B

A) It transmits more data at faster speeds than coaxial or twisted pair cable.
B) It is thinner and lighter than coaxial or twisted pair cable.
C) Most U.S. homes have fiber connections.
D) Long-haul fiber optic networks are typically owned by firms referred to as Tier I ISPs.

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A) routing.
B) the Transmission Control Protocol.
C) packet switching.
D) the File Transfer Protocol.

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A) protocol
B) packet
C) router
D) IP address

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A

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A) Kik
B) WhatsApp
C) Viber
D) Feedly

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A) placing packets on and receiving them from the network medium
B) addressing, packaging, and routing messages
C) providing communication with the application by acknowledging and sequencing the packets to and from the application
D) providing a variety of applications with the ability to access the services of the lower layers

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Interoperability remains a major concern...

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A) Facebook
B) Dish
C) Microsoft
D) Boeing

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A) SMTP
B) FTP
C) HTTP
D) SSL

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A) Most smartphones use Intel chips.
B) Smartphones and tablet computers are the primary means to access the Internet, both in the United States and worldwide.
C) Most smartphones use either Google's Android or Apple's iOS operating systems.
D) Smartphones use flash memory chips.

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A) Internet Exchange Points (IXPs) .
B) Tier 1 ISPs.
C) Network Access Points (NAPs) .
D) Metropolitan Area Exchanges (MAEs) .

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There are two types of ISP service: narr...

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The web page information starts from where it is hosted on a web server and travels through the host company's network to the Internet. On the Internet, the data will pass through the ISP's network to regional and national backbones, and finally to the network of the ISP that is serving my personal network, and through an access point or hot spot to be delivered wirelessly to my tablet.