CCNA Flashcard

8/7/2019 CCNA Flashcard

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Term_______________ is web-based software that allows people to work together on a project over the webDefinition

Collaboration Tool is web-based software that allows people to work together ona project over the web

Term

_______ allows only internal employee access.Definition

Intranet allows only internal employee access.

Term

List four external factors that affect data networksDefinition

The quality of the pathway between the sender and recipient.The number of times the message has to change form.The number of times the message has to be redirected or readdressed.The amount of time alloted for successful communication.

Term

List three internal factors that affect data networks


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Definition

Size of the message

Complexity of the message

Importance of the message

Term

_____ or _______ (Protocols) ______ how the

________ are ___, ______, ______, and __________.

Definition

Rules or agreements (Protocols) govern how the messages are sent, directed, recieved, and interpreted.

TermA ______ is a means of interconnecting devices to transport messages from one device to another.Definition

A medium is a means of interconnecting devices to transport messages from one device to another.

TermName the four fundamental internet expectations.Definition

Name the four fundamental internet expectations.


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Fault tolerance

Scalability

Quality of Service

Security

Term____________ means a unit or system will continue to function normally even when

some of the components of the network fail.Definition

Fault tolerance means a unit or system will continue to function normally even when some of the components of the network fail.

Term_________ the duplication of equipment and media. Is a key factor in fault tolerance.Definition

Redundancy the duplication of equipment and media. Is a key factor in fault tolerance.

Term________ describes the network's ability to grow and react to future changes. Without having to start over on the design.Definition

Scalability describes the network's ability to grow and react to future changes.Without having to start over on the design.

Term

_____ are web-based collaboration tool.

Definition


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Wiki's are web-based collaboration tool.

Term_____ are web pages where people can publish their personal opinions and thoughts about any conceivable topic.

Definition

Blog's are web pages where people can publish their personal opinions and thoughts about any conceivable topic.

Term

Securing the network infrastructure means protecting the?Definition

devices from outside contact.


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Term

Securing the network content meansDefinition

protecting the data stored on devices and protection of packets.

TermA ______ consists of the media that provides the pathway which the message travels from source to destination.Definition

A channel consists of the media that provides the pathway which the message travels from source to destination.

Term

Name the three elements of communicationDefinition

Message Source

Message Reciever


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Channel

Term

__________ occurs when the segments of two or more messages can shuffle into each other and share the medium.Definition

Multiplexing occurs when the segments of two or more messages can shuffle into each other and share the medium.

Term

Segmentation has two primary benefits. What are they?Definition

Multiplexing

Increased efficiency of network communications

Term

How is Segmentation more efficent?

Definition


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Because the message can be broken into pieces the pieces can be sent along diffe

rnt routes.

Term

The downside to using segmentation and multiplexing to transmit messages is the

level of __________ added to the process.Definition

complexity

Term

An ___ _____ refers to a piece of equipment that is either the source or the destination of a message on a network.Definition

An end device refers to a piece of equipment that is either the source or the destination of a message on a network.


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Term

Another generic term for an end device that sends and recieves messages is a _____.Definition

Another generic term for an end device that sends and recieves messages is a host.

Term

An end user is a person or group using and ____ device.

Definition

end

Term

___________ devices connect the individual hosts to the network and can connectmultiple individual networks to form an _____________.


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Definition

Intermediary devices connect the individual hosts to the network and can connectmultiple individual networks to form an internetwork.

Term

Intermediary devices are not all the same. Some work inside the LAN performing ______ functions, and others help _____ messages between networksDefinition

Intermediary devices are not all the same. Some work inside the LAN performing switching functions, and others help route messages between networks

TermIntermediary Devices

_____ ______ ______ connect end users to their network. Examples are ____, swiches, and _______ access points.Definition


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Network access devices connect end users to their network. Examples are hubs, sw

iches, and wireless access points.


_______________ connect one network to one or more other networks. Routers are the main example.Definition

Internetwork devices connect one network to one or more other networks. Routersare the main example.


Route services such as IPTV and wireless broadband.Definition


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Communication servers


Connect users to servers and networks through telephone or cable.Definition

Modems


Secure the network with devices such as firewalls tha analyze traffic exiting and entering networks.Definition

Security devices


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Encoding messages refers to the way data is converted to patterns of electrical,

light, or electromagnetic energy and carried on the medium.

TermNetworking Media

Copper eg. Twisted-pair cable usually used as __ mediaDefinition

LAN

TermNetwork Media

Fiber-optic - glass or plastic fibers in a vinyl coating usually used for longruns in a and as a ___.Definition

Fiber-optic - glass or plastic fibers in a vinyl coating usually used for long runs in a LAN and as a trunk.


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Term

Wireless media uses ____ ____ to connect local users throught the air.Definition

electromagnetic, waves

Term

The differences in the media make each one ideal for different roles in networking situations. When choosing network media, administrators must consider the following:DefinitionThe the distance the media cancarry the signalThe environment in which the media worksThe

Term

A ___ is a group of end devices and users under the control of a common adminis


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tration.Definition

A LAN is a group of end devices and users under the control of a common administration.

Term

A wide-area network is a network that is used to connect ____ that are located geographically far apart.Definition

A wide-area network is a network that is used to connect LAN's that are locatedgeographically far apart.

Term

TSPDefinition


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telecommunications service provider

Term

An __________ is a collection of two or more LAN's connected by WAN's

Definition

An internetwork is a collection of two or more LAN's connected by WAN's

Term

Internetworks are referred to interchangeably as ____

networks or simply ______.Definition

data networks


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Term

The most popular internetwork is the _______, which is open to public use.Definition

Internet

Term

A _________ is a private web of networks closed to the public but open for employees to browse.Definition

A intranet is a private web of networks closed to the public but open for employees to browse.

Term


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The media connecting the PC to the networking device plugs directly into the ____.

Definition

The media connecting the PC to the networking device plugs directly into the NIC.

Term

Each NIC has a unique _____ _________ that identifies it on the LAN.Definition

Each NIC has a unique physical address that identifies it on the LAN.

Term

The term _______ refers to how the device can allow two different networks to co


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mmunicate.Definition

The term interface refers to how the device can allow two different networks tocommunicate.

Term

_______ connect to different networks, and the specialized NICs on ______ are simply called __________.Definition

Routers connect to different networks, and the specialized NICs on routers are simply called interfaces.

Term

The interface on a router device has a a unique physical address and appears asa ____ on the local network.

Definition


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The interface on a router device has a a unique physical address and appears asa host on the local network.

Term

____ is a common protocol that governs the way that a web sever and a web clientinteract.Definition

HTTP is a common protocol that governs the way that a web sever and a web clientinteract.

Term

HTTP defines the ________ and __________ of the requests and responses exchangedbetween the client and server.

Definition


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HTTP defines the content and formating of the requests and responses exchanged between the client and server.

Term

___ is the protocol that manages the individual conversations between web servers and web clients.Definition

TCP is the protocol that manages the individual conversations between web servers and web clients.

Term

TCP divides the HTTP messages into smaller pieces, called ________, to be sent to the destination client.Definition

TCP divides the HTTP messages into smaller pieces, called segments, to be sent to the destination client.

TermT


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Network access protocols describe two primary functions: _______ ___________ andthe _______ __________ of data on the media.

Definition

Network access protocols describe two primary functions: Data-link management and the Physical transmission of data on the media.

Term

Data-link management protocols take the packets from IP and format them to be __________ ____ the ____.Definition

Data-link management protocols take the packets from IP and format them to be transmitted over the media.

Term

Name the two networking models

Definition


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protocol models, reference models

Term

The process of adding control information as it passes through the layered modelis called ____________

Definition

The process of adding control information as it passes through the layered modelis called encapsulation

Term

__________ is the process of removing the extra information and sending only theoriginal application data up to the destination application layer.

Definition

Decapsulation is the process of removing the extra information and sending only


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the original application data up to the destination application layer.

Term

The generic term for data at each level in the protocol stack is called _______________.Definition

The generic term for data at each level in the protocol stack is called protocoldata unit.

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