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1. Networking Basics > 2. Network Components, Types, and Connections > Flashcards

2. Network Components, Types, and Connections Flashcards

1
Q

All computers connected to a network that participate directly in network communication are classified as?

A

hosts

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2
Q

Can act as a client, a server, or both.

A

Computer Hosts- Especially in modern networks

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3
Q

Which determines which role the computer plays?

A

A software installed on the computer

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4
Q

Describe the software installed on servers.

A

A software installed which enable them to provide information, like email or web pages, to other hosts on the network.

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5
Q

Is server a host?

A

Servers are hosts that have software installed which enable them to provide information, like email or web pages, to other hosts on the network.

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6
Q

Explain this “Each service requires separate server software.”

A

For example, a host requires web server software in order to provide web services to the network.

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7
Q

They are computer hosts that have software installed that enables the hosts to request and display the information obtained from the server.

A

Clients

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8
Q

Give an examples of Clients.

A

An example of client software is a web browser, such as Internet Explorer, Safari, Mozilla Firefox, or Chrome.

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9
Q

Describe the email server

A

The email server runs email software. Clients use browser software, such as Windows internet explorer, to access web pages on the server.

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10
Q

Describe the web server.

A

The web server runs web server software. Clients use browser software, such as Windows Internet Explorer, to access web pages on the server.

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11
Q

Describe the File server.

A

The file server stores corporate and user files in a central location. The client devices access these files with client software such as the Windows File Explorer.

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12
Q

Describe the peer-to-peer (P2P) network.

A

Client and server software usually run on separate computers, but it is also possible for one computer to run both client and server software at the same time. In small businesses and homes, many computers function as the servers and clients on the network. This type of network is called a peer-to-peer (P2P) network.

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13
Q

What is the simplest P2P network?

A

The simplest P2P network consists of two directly connected computers using either a wired or wireless connection. Both computers are then able to use this simple network to exchange data and services with each other, acting as either a client or a server as necessary.

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14
Q

Can multiple PC create a larger P2P network?

A

Multiple PCs can also be connected to create a larger P2P network, but this requires a network device, such as a switch, to interconnect the computers.

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15
Q

What is the main disadvantage of P2P network?

A

The main disadvantage of a P2P environment is that the performance of a host can be slowed down if it is acting as both a client and a server at the same time.

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16
Q

Why does business have dedicated servers?

A

In larger businesses, because of the potential for high amounts of network traffic, it is often necessary to have dedicated servers to support the number of service requests.

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17
Q

The advantages of peer-to-peer networking are?

A
  • Easy to set up
  • Less complex
  • Lower cost because network devices and dedicated servers may not be required
  • Can be used for simple tasks such as transferring files and sharing printers
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18
Q

The disadvantages of peer-to-peer networking are?

A
  • No centralized administration
  • Not as secure
  • Not scalable
  • All devices may act as both clients and servers which can slow their performance
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19
Q

It allows a device to act as both a client and a server within the same communication

A

A P2P application

20
Q

Some P2P applications use a ________________ where resource sharing is decentralized, but the indexes that point to resource locations are stored in a centralized directory.

A

hybrid system

21
Q

On this, each peer accesses an index server to get the location of a resource stored on another peer.

A

hybrid system

22
Q

There must be what for every service required?

A

client software

23
Q

Explain this: “With multiple clients installed, a host can connect to multiple servers at the same time.”

A

For example, a user can check email and view a web page while instant messaging and listening to internet radio.

24
Q

he network infrastructure contains three categories of hardware components which are:

A
  • End devices
  • Intermediate devices
  • Network media
25
Q

What are the end devices?

A

Desktop Computers, Laptop, Printer, IP Phone, Wireless Tablet, Telepresence Endpoint

26
Q

What are Intermediary Devices?

A

Wireless Router, LAN Switch, Router, Multilayer Switch, Firewall Appliance

27
Q

What are the Network Media?

A

Wireless Media, LAN Media, WAN Media

28
Q

They are the physical elements, or hardware, of the network.

A

Devices and media

29
Q

Hardware is often the visible components of the network platform such as?

A

a laptop, PC, switch, router, wireless access point, or the cabling used to connect the devices.

30
Q

Some examples of end devices are?

A
  • Computers (workstations, laptops, file servers, web servers)
  • Network printers
  • Telephones and teleconferencing equipment
  • Security cameras
  • Mobile devices (such as smart phones, tablets, PDAs, and wireless debit/credit card readers and barcode scanners)
31
Q

It is either the source or destination of a message transmitted over the network

A

An end device (or host)

32
Q

It provides the link between the home network and the internet. An ISP can be the local cable provider, a landline telephone service provider, the cellular network that provides your smartphone service, or an independent provider who leases bandwidth on the physical network infrastructure of another company.

A

An Internet Service Provider (ISP)

33
Q

Many ISPs also offer additional services to their contract subscribers which are?

A

These services can include email accounts, network storage, and website hosting and automated backup or security services.

34
Q

The primary medium that connects the internet backbone is?

A

fiber-optic cable

35
Q

This cable is typically installed underground to connect cities within continents

A

fiber-optic cable. Fiber-optic cables also run under the sea to connect continents, countries, and cities.

36
Q

Typically offered by cable television service providers, the internet data signal is carried on the same coaxial cable that delivers cable television. It provides a high bandwidth, always on, connection to the internet. A special cable modem separates the internet data signal from the other signals carried on the cable and provides an Ethernet connection to a host computer or LAN.

A

Cable

37
Q

DSL meaning?

A

DSL - Digital Subscriber Line

38
Q

It provides a high bandwidth, always on, connection to the internet. It requires a special high-speed modem that separates the DSL signal from the telephone signal and provides an Ethernet connection to a host computer or LAN.

A

DSL

39
Q

It runs over a telephone line, with the line split into three channels.

A

DSL

40
Q

It is used for voice telephone calls on DSL. This channel allows an individual to receive phone calls without disconnecting from the internet.

A

One channel/First Channel

41
Q

It is a faster download channel on DSL, used to receive information from the internet.

A

Second channel

42
Q

It is used for sending or uploading information on DSL. This channel is usually slightly slower than the download channel.

A

Third channel

43
Q

The quality and speed of the DSL connection depends mainly on?

A

The quality of the phone line and the distance from the central office of your phone company. The farther you are from the central office, the slower the connection.

44
Q

What ISP connection is this:

Performance will be limited by the capabilities of the phone and the cell tower to which it is connected.

A

Cellular

45
Q

It is a good option for homes or offices that do not have access to DSL or cable.

A

Satellite service

46
Q

This require a clear line of sight to the satellite and so might be difficult in heavily wooded areas or places with other overhead obstructions.

A

Satellite dish

47
Q

An inexpensive option that uses any phone line and a modem.

A

Dial-up Telephone

1. Networking Basics (18 decks)

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