Quiz 1 - Chapter 1 ITN100

According to John Chambers, CEO of Cisco (a leading networking technology company), the information age is the second Industrial Revolution. T/F

True

The _______ is a connection of computers and networks built into common, everyday devices. a. wide area network b. internet of things

internet of things

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

intranet

Networks that are designed to connect similar computers that share data and software with each other are called: a. client/server networks b. peer-to-peer networks c. host networks d. client networks e. local area networks

peer-to-peer networks

Data communications and networking can be considered as a global area of study because:

A&B new technologies and applications emerge from a variety of countries and speed around the world. the technologies enable global communication.

Which of the following is a term used to group together the physical and data link layers?

Hardware layers

When a developer creates an application for each type of device that might be used, this is referred to as

A native app

BYOD stands for:

Bring Your Own Device

Which of the following is not an important future trend in communication and networking? a. development of online batch systems b. integration of voice, video, and data c. pervasive networking d. provision of new information services on rapidly expanding networks e. development of extremely high speed broadband networks

Development of online batch systems

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. T/F

False

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

IEEE

The application layer is the seventh layer of the Internet model and specifies the type of connection and the electrical signals that pass through it. T/F

False

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

HTTP

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

Hardware layer

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

Standards

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

T1

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. T/F

True

Data communication standards enable each layer in the sending computer to communicate with its corresponding layer in the receiving computer. True/False

True

In the OSI model, the application layer provides a set of utilities for applications and is the end user's access to the network. True/False

True

The network layer performs the same functions in both the OSI and Internet models and is responsible for routing messages from the source computer to the destination computer. True/False

True

A local area network is:

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 such as a set of rooms, a single building, or a set of well-connected buildings.

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. physical b. transport c. network d. application e. data link

physical

The _________ layer performs error checking which is redundant to some extent with the function of the _________ layer.

transport, data link

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

true

(T/F) The OSI model is currently the most widely implemented network model used to develop and build networks of any size, including the Internet itself.

False

An intranet is a LAN that uses Internet technologies and is publicly available to people outside of the organization. T/F

False

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

False

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

Massively online Technology

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

Presentation

________ is an orderly close to a dialogue between end users. a) Session termination b) Physical bits c) Frame overhead d) Packet encapsulation e) Message encryption

Session Termination

(T/F) ANSI is a voting participant in the ISO.

True

Which of the following is true about ISO: a) It makes technical recommendations about data communications interfaces b) Its name stands for International Organization for Standardization c) It is based in Geneva, Switzerland d) It is one of the most important standards-making bodies e) All of the above

All of the above

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

Browser-based approach

Which of the following would be a standard or protocol used at the Data Link layer of the Internet or OSI model?

Ethernet

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

Ethernet

The Internet standards organization that will allow anyone to join is

IETF

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

IP

Which of the following is not true about ITU-T:

Its membership is limited to U.S. telephone companies

Which of the following is not true about de jure standards? a. They are always developed before de facto standards. b. One example exists for network layer software (IP). c. They can be developed by an official industry body. d. They can take several years to develop. e. They can be developed by a government body.

They are always developed before de facto standards

A(n) ___________ is similar to an intranet in that it uses Internet technologies, but is developed for users outside the organization. a) intranet b) Usenet c) Wide Area Network d) extranet

Extranet

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

They never evolve into de jure standards

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. presentation Layer b. transport Layer c. physical Layer d. session Layer e. application Layer

Transport

Which layer of the OSI model is responsible for ensuring that all packets sent are received by the destination station by dealing with end-to-end issues? a. presentation Layer b. transport Layer c. physical Layer d. session Layer e. application Layer

Transport

(T/F) In the OSI model, the application layer provides a set of utilities for applications and is the end user's access to the network.

True

(T/F) 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

(T/F) Telecommunications is the transmission of voice and video as well as data and usually implies transmitting a longer distance than in a data communication network.

True

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. T/F

True

Due to advances in high speed communication networks, the information lag, or the time it takes for information to be disseminated around the world, has been significantly shortened. True/False

True

A backbone network is: a) a high speed central network that connects other networks in a distance spanning up to several miles. 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) a network spanning a geographical area that usually encompasses a city or county area (3 to 30 miles). d) a network spanning a large geographical area (up to 1000s of miles).

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

A network administrator has received several reports from users of the network that the intranet website on one of company servers is not accessible, but the same users are still able to retrieve their email being stored on the same server. What layer of the Internet model does this problem appear to reside at? a. physical b. transport c. network d. application e. data link

application

In which layer of the Internet model would the HTTP protocol be used? transport network physical application data link

application

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

breaking long messages

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

can only perform one function on a network

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

circuit

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

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

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

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

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) WAN b) BN c) extranet d) intranet e) MAN

extranet

The American National Standards Institute:

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

The _________ layer is responsible for routing of messages from the sender to the final destination

network layer

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

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

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

providing error-free transmission of data.

In the Internet model, the application layer corresponds to the ________ layer(s) of the OSI model. a) data link and network b) session, presentation and application c) application layer d) application and presentation e) network, transport and presentation

session, presentation, and application

Which of the following is a property of a WAN:

spans hundreds or thousands of miles

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

transport please do not touch steve's pet alligators ??

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

specification, identification of choices and acceptance

Which of the following is not a function of the data link layer?

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

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

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