Chapter 1

BYOD stands for A. a. Bring Your Own Device B. b. Bring Your Own Database C. c. Build Your Own Device D. d. Build Your Own Database

A. Bring Your Own Device

Which of the following is not a data link layer standard? A. a. HTTP B. b. Ethernet C. c. T1 D. d. PPP E. e. Frame Relay

A. HTTP

___________ is an orderly close to a dialogue between end users. A. a. Session termination B. b. Physical bits C. c. Frame overhead D. d. Packet encapsulation E. e. Message encryption

A. Session termination

When a user accesses an application via a web browser on their mobile device, this is referred to as A. a. a browser-based approach B. b. a native app C. c. Internet Explorer D. d. BYOD

A. a browser-based approach

It is not uncommon for companies to end up spending more money on network management and security tasks than they do on the actual computer equipment itself. True False

True

The specification stage of the de jure standardization process consists of developing nomenclature and identifying the problems to be addressed. True False

True

A backbone network is: A. a. a high speed central network that connects other networks in a distance spanning up to several miles. B. b. a group of personal computers or terminals located in the same general area and connected by a common cable (communication circuit) so they can exchange information. C. c. a network spanning a geographical area that usually encompasses a city or county area (3 to 30 miles). D. d. a network spanning a large geographical area (up to 1000s of miles). E. e. a network spanning exactly 200 miles with common carrier circuits

A. a high speed central network that connects other networks in a distance spanning up to several miles.

A backbone network is: A. a. a high speed central network that connects other networks in a distance spanning up to several miles. B. b. a group of personal computers or terminals located in the same general area and connected by a common cable (communication circuit) so they can exchange information. C. c. a network spanning a geographical area that usually encompasses a city or county area (3 to 30 miles). D. d. a network spanning a large geographical area (up to 1000s of miles). E. e. a network spanning exactly 200 miles with common carrier circuits.

A. a high speed central network that connects other networks in a distance spanning up to several miles.

The American National Standards Institute: A. a. is the coordinating organization for the United States' national system of standards B. b. is a professional society in the U.S. whose standards committees focus on local area network standards C. c. sets the standards that govern how much of the Internet will operate D. d. is an agency that develops federal information processing standards for the federal government E. e. makes technical recommendations about global telephone rates

A. is the coordinating organization for the United States' national system of standards

A junior network administrator has used the wrong cable type to connect his/her computer to the administrative port on a router and cannot establish a terminal session with the device. What layer of the Internet model does this problem appear to reside at? A. a. physical B. b. transport C. c. network D. d. application E. e. data link

A. physical

The three stages of the de jure standardization process are ______________________. A. a. specification, identification of choices and acceptance. B. b. planning, implementing and acceptance. C. c. brainstorming, identification and implementing. D. d. specification, formalization, and acceptance. E. e. none of the above.

A. specification, identification of choices and acceptance.

The function of the file server is to : A. a. store data and software programs that can be used by client computers on the network. B. b. manage all printing requests from clients on the network. C. c. transfer e-mail messages to other servers on the network. D. d. store HTML documents for an Internet or intranet web site. E. e. coordinate the communication of client and servers on the network.

A. store data and software programs that can be used by client computers on the network

Which of the following is not true about de facto standards? A. a. They never evolve into de jure standards. B. b. They are those standards that emerge in the marketplace. C. c. They tend not to be developed by an official industry or government body. D. d. They are generally supported by more than one vendor but de facto standards have no official standing. E. e. They tend to emerge based upon the needs/response of the marketplace.

A. they never evolve into de jure standards

Taken together, the physical and data link layers are called the ____________________. A. a. Internet layer B. b. Hardware layer C. c. Internetwork layer D. d. Application layer

B. Hardware Layer

__________ ensure that hardware and software produced by different vendors work together. A. a. Delimiters B. b. Standards C. c. ASPs D. d. RBOCs E. e. Intranets

B. Standards

The fourth layer of the OSI model is called the __________ layer. A. a. network B. b. transport C. c. session D. d. data link E. e. presentation

B. Transport

The primary reason for networking standards is to: A. a. simplify cost accounting for networks B. b. ensure that hardware and software produced by different vendors can work together C. c. make it more difficult to develop hardware and software that link different networks D. d. ensure that all network components of a particular network can be provided by only one vendor E. e. lock customers into buying network components from one vendor

B. ensure that hardware and software produced by different vendors can work together

A MOOC is an example of a(n) A. a. BYOD B. b. massively online technology C. c. native app D. d. browser-based technology

B. massively online technology

The ____________ layer of the OSI model is responsible for data format translation. A. a. session B. b. presentation C. c. physical D. d. application E. e. transport

B. presentation

Which layer of the OSI model is responsible for ensuring flow control so that the destination station does not receive more packets that it can process at any given time? A. a. presentation B. b. transport C. c. physical D. d. session E. e. application

B. transport

Which of the following would be a standard or protocol used at the Data Link layer of the Internet or OSI model? A. a. IP B. b. TCP C. c. Ethernet D. d. HTTP E. e. FTP

C. Ethernet

A(n) _________ is a LAN that uses the same technologies as the Internet but is provided to invited users outside the organization who access it over the Internet. A. a. WAN B. b. BN C. c. extranet D. d. intranet E. e. MAN

C. Extranet

The Internet standards organization that will allow anyone to join is __________________. A. a. ANSI B. b. ISO C. c. IETF D. d. IEEE E. e. ITU-T

C. IETF

Which of the following is not an application layer standard? A. a. HTTP B. b. POP C. c. T1 D. d. IMAP E. e. HTML

C. T1

Which of the following is a function of the transport layer? A. a. linking the physical layer to the network layer B. b. formatting messages by indicating where they start and end C. c. deciding which route the message should take D. d. breaking long messages into several smaller messages E. e. specifying the type of connection and the electrical signals, radio waves, or light pulses that pass through it

C. breaking long messages into several smaller messages

A _____________ is the input-output hardware device at the end user's end of a communication circuit in a client-server network. A. a. server B. b. circuit C. c. client D. d. host

C. client

Which of the following correctly represents order of the seven layers of the OSI model from layer 1 to layer 7? A. a. physical, network, data link, session, transport, application, presentation B. b. physical, data link, network, transport, session, application, presentation C. c. physical, data link, network, transport, session, presentation, application D. d. data link, physical, network, session, transport, application, presentation E. e. data link, physical, network, transport, session, presentation, application

C. physical, data link, network, transport, session, presentation, application

Which is not a function of the physical layer: A. a. transmission of bits. B. b. defining the rules by which one and zeroes are transmitted. C. c. providing error-free transmission of data. D. d. providing the physical connection between sender and receiver. E. e. specifying the type of connection and type of signals, waves or pulses that pass through it.

C. providing error-free transmission of data

The _________ layer performs error checking which is redundant to some extent with the function of the _________ layer. A. a. application, presentation B. b. physical, data link C. c. transport, data link D. d. presentation, transport E. e. network, physical

C. transport, data link

Which standards body is responsible for the development of local area network (LAN) standards? A. a. ANSI B. b. ISO C. c. IETF D. d. IEEE E. e. ITU-T

D. IEEE

A(n) _________ is a LAN that uses the same technologies as the Internet but is open to only those inside the organization. A. a. WAN B. b. BN C. c. extranet D. d. intranet E. e. MAN

D. Intranet

Data communications and networking can be considered as a global area of study because: A. a. new technologies and applications emerge from a variety of countries and spread around the world B. b. the technologies enable global communication C. c. the political and regulatory issues are exactly the same in every country D. d. a and b E. e. none of the above

D. a and b

Which of the following is not true about a server? A. a. stores data and software that can be accessed by the client. B. b. may be a personal computer or a mainframe on the network. C. c. in client/server computing they work together over the network with client computers to support the business application. D. d. can only perform one function on a network. E. e. stores documents and graphics that can be accessed from any Web browser.

D. can only perform one function on a network

Which of the following is not a property of a WAN: A. a. connects backbone networks and MANS. B. b. spans hundreds or thousands of miles C. c. provides data transmission speeds from 56Kbps to 10Gbps. D. d. connects a group of computers in a small geographic area such as room, floor, building or campus. E. e. uses leased lines from IXCs like ATT, MCI, and Sprint.

D. connects a group of computers in a small geographic area such as room, floor, building, or campus

The _________ layer is responsible for routing of messages from the sender to the final destination. A. a. data communication layer B. b. resident layer C. c. application layer D. d. network layer E. e. physical layer

D. network layer

Which of the following is not a function of the data link layer? A. a. deciding when to transmit messages over the media B. b. formatting the message by indicating where messages start and end, and which part is the address C. c. detecting and correcting any errors that have occurred in the transmission of the message D. d. specifying the type of connection, and the electrical signals, radio waves, or light pulses that pass through it E. e. controlling the physical layer by determining when to transmit

D. specifying the type of connection, and the electrical signals, radio waves, or light pulses that pass through it

The network layer of the Internet model uses the _____________ protocol to route messages though the network. A. a. TCP B. b. HTTP C. c. FTP D. d. SMTP E. e. IP

E. IP

A local area network (LAN) connects other LANs and backbone networks (BNs) located in different areas to each other and to wide area networks in a span from 3 to 30 miles. True False

False

An intranet is a LAN that uses Internet technologies and is publicly available to people outside of the organization. True False

False

Ethernet is an example of a network layer protocol. True False

False

A car manufacturer may give access to certain portions of its network to some of its suppliers via the Internet. This is an example of an extranet. True False

True

At the transport layer in the Internet model, TCP is responsible for breaking large files received from the application layer into smaller messages and opening a connection to a server for transferring them. True False

True