Chapter 1 Exploring the Network Flashcards

1
Q

What are the network infrastructure that contains three categories of network components?
1.2.1.1

A

Devices

Media

Services

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2
Q

What is an End Device?

1.2.1.2

A

A device that human use and interact with.

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3
Q

What is an Intermediary Device?

1.2.1.3

A

Intermediary devices interconnect end devices

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4
Q

Name what types of end devices?

1.2.1.3

A

Computers (work stations, laptops, file servers, web servers)

Network printers

VoIP phones

TelePresence endpoint

Security cameras

Mobile handheld devices

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5
Q

Name what type of Intermediary devices

1.2.1.3

A

Network Access (switches and wireless access points)

Internetworking (routers)

Security (firewalls)

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6
Q

What is a network medium?

1.2.1.4

A

Metallic wires within cables

Glass or plastic fibers (fiber optic cable)

Wireless transmission

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7
Q

What are the advantages and disadvantages of Copper cables?

1.2.1.4

A

Cheap easy to work with?

Distance is of cable is restricted to 100m, electrical interference affect the data signal.

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8
Q

What are the advantages and disadvantages of fiber cables?

1.2.1.4

A

Can transmitted faster data of longer distances

The cost of the cable is expensive
hard to work with
The size of the fiber is smaller than a human hair.

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9
Q

What are the advantages and disadvantages of Wireless?

1.2.1.4

A

Easy to setup
Can work a large distance
the cost is not expensive

Transmission is subject to interference
data can be intercepted
requires power to work.

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10
Q

What is a Local Area Network (LAN)

1.2.2.1

A

A network infrastructure that provides access to users and end devices in a small geographical area.

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11
Q

What is a Wide Area Network (WAN)

1.2.2.1

A

A network infrastructure that provides access to other networks over a wide geographical area.

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12
Q

What is a Metropolitan Area Network (MAN)

1.2.2.1

A

A network infrastructure that spans a physical area larger than a LAN but smaller than a WAN (e.g., a city). MANs are typically operated by a single entity such as a large organization.

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13
Q

What is the internet?

1.2.3.1

A

The Internet is a worldwide collection of interconnected networks (internetworks or internet for short), cooperating with each other to exchange information using common standards.

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14
Q

What is the intranet?

1.2.3.2

A

Intranet is a term often used to refer to a private connection of LANs and WANs that belongs to an organization, and is designed to be accessible only by the organization’s

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15
Q

What is the Extranet?

1.2.3.2

A

An organization may use an extranet to provide secure and safe access to individuals who work for a different organizations, but require company data.

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16
Q

What is Fault Tolerance?

1.3.2.1

A

Redundant connections allow for alternative paths if a device or link fails?

17
Q

What is Scalability?

1.3.2.1

A

Additional users and whole networks can be connected to the internet without degrading performance

18
Q

What is Quality of Service (QoS)?

1.3.2.1

A

It is managed by the router ensures that priorities are matched with the type of communication and it importance to the organization.

19
Q

What is Security?

1.3.2.1

A

protecting the network with software and hardware.

Preventing psychical access to the devices.

20
Q

What is Circuit-Switched?

1.3.2.3

A

A temporary path, or physical circuit, is created for the duration of the connection

21
Q

What is a Packet-Switched?

1.3.2.3

A

a single message can be broken into multiple message blocks, with each message block containing addressing information to indicate the origination point and final destination.

22
Q

What is Bring Your Own Device (BYOD)?

1.4.1.2

A

means any device, with any ownership, used anywhere

23
Q

What is Online Collaboration?

1.4.1.3

A

the act of working with another or others on a joint project.”

24
Q

What is Cloud Computing?

1.4.1.5

A

Cloud computing is the use of computing resources (hardware and software) that are delivered as a service over a network.