Ch1 Qz1 Flashcards by Ccc D

___________ is an orderly close to a dialogue between end users.

Session termination

Physical bits

Frame overhead

Packet encapsulation

Message encryption

Session termination

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The network layer of the Internet model uses the _____________ protocol to route messages though the network.

TCP

HTTP

FTP

SMTP

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Which of the following is not true about a server?

stores data and software that can be accessed by the client.

is the pathway through which messages travel.

in client/server computing they work together over the network with client computers to support the business application.

can only perform one function on a network.

stores documents and graphics that can be accessed from any Web browser.

can only perform one function on a network.

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

data communication

resident

application

network

physical

network

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A(n) _____________ is a set of rules that determine what a layer would do and provides a clearly defined set of messages that software at the layer needs to understand.

agreement

standard

protocol

regulations

policy

protocol

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Which of the following is not an important future trend in communication and networking?

development of online batch systems

integration of voice, video, and data

pervasive networking

provision of new information services on rapidly expanding networks

development of extremely high speed broadband networks

development of online batch systems

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BYOD stands for

Bring Your Own Device

Bring Your Own Database

Build Your Own Device

Build Your Own Database

Bring Your Own Device

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The internet standards organization that will allow anyone to join is __________________.

ANSI

ISO

IETF

IEEE

ITU-T

IETF

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The network layer is responsible for routing messages from the source computer to the destination computer.

True

False

True

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In the OSI model, the application layer is the end user’s access to the network.

True

False

True

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Which of the following is not a property of a WAN:

connects backbone networks and MANS.

spans hundreds or thousands of miles.

provides data transmission speeds from 56Kbps to 10Gbps.

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

uses lease lines from IXCs like ATT, MCI, Sprint.

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

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Taken together, the physical and data link layers are called the ____________________.

Internet layer

Hardware layer

Internetwork layer

Application layer

Hardware layer

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

True

False

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Which of the following is true about ISO:

It makes technical recommendations about data communications interfaces

Its name stands for International Organization for Standardization

It is based in Geneva, Switzerland

It is one of the most important standards-making bodies

All of these

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Telecommunications is the transmission of voice and video as well as data and implies transmitting a longer distance than in a data communication network.

True

False

True

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The function of the file server is to :

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

manage all printing requests from clients on the network.

transfer e-mail messages to other servers on the network.

store HTML documents for an Internet or intranet web site.

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.

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Due to recent 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

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The network layer is responsible for routing messages from the source computer to the destination computer.

True

False

True

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

True

False

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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

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

True

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The ____________ layer of the OSI model is responsible for data format translation.

a) session
b) presentation
c) physical
d) application
e) transport

Presentation

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Ethernet is an example of a network layer protocol.

True/False

False

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A MOOC is an example of a(n)

a) BYOD
b) massively online technology
c) native app
d) browser-based technology

Massively online Technology

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

True

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

True

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

HTTP

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

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

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

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.

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 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

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

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 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

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

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

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

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

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.

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

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 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 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.

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

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

A native app

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 property of a WAN:

spans hundreds or thousands of miles

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

False

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

transport, data link

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

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

Ethernet

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

The American National Standards Institute:

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

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 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

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.

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

Hardware layers

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

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

(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) ANSI is a voting participant in the ISO.

True

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

(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

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

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

(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

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

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

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

application

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

internet of things

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

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

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

Standards

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 ?? ```

(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

Ch1 Qz1 Flashcards

(77 cards)