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CNT 210 > Module 1 > Flashcards

Module 1 Flashcards

1
Q

End Devices (Host)?

A

All computers that are connected to a network and participate directly in network communication are classified as hosts.

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2
Q

This number identifies the host within a particular network.

A

Internet Protocol Address (IP Address)

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3
Q

Identifies the host and the network to which the host is attached.

A

IP Address.

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4
Q

Servers

A

computers with software that allow them to provide information, like email or web pages, to other end devices on the network.

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5
Q

________ have software for requesting and displaying the information obtained from the server

A

Clients

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6
Q

In small businesses and homes, many computers function as the servers and clients on the network. Which type of network does this describe?

A

Peer-to-peer network.

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7
Q

USB Acronym.

A

Universal Serial Bus.

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8
Q

NIC Acronym.

What does it do?

A

Network Interface Card.

physically connects the end device to the network.

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9
Q

You can differentiate end devices because all end devices have an…

A

Address.

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10
Q

connect the individual end devices to the network.

A

Intermediary devices

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11
Q

5 common intermediary devices…

A 
Wireless Router. 
LAN switch
Router. 
Multilayer Switch. 
Firewall Appliance.
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12
Q

3 main types of network media…

A

Copper
Fiber-Optic
Wireless

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13
Q

Four Main criteria for choosing network media…

A

Max distance media can carry signal.
Environment which media will be installed.
Amount of data and at what speed transmitted.
Cost of the media and installation.

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14
Q

When data is encoded as pulses of light, which media is being used to transmit the data?

A

Fiber-optic cable.

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15
Q

What is the name for all computers connected to a network that participate directly in network communication?

A

Hosts

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16
Q

Physical Port

A

A connector or outlet on a networking device where the media connects to an end device or another networking device.

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17
Q

Interface

A

Specialized ports on a networking device that connect to individual networks.

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18
Q

Physical topology diagrams illustrate…

A

the physical location of intermediary devices and cable installation

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19
Q

Logical topology diagrams illustrate….

A

devices, ports, and the addressing scheme of the network

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20
Q

Which connections are specialized ports on a networking device that connect to individual networks?

A

Interface

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21
Q

Which type of network topology lets you see which end devices are connected to which intermediary devices and what media is being used?

A

Logical Topology

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22
Q

Which type of network topology lets you see the actual location of intermediary devices and cable installation?

A

Physical Topology

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23
Q

a collection of interconnected private and public networks. (Network of Networks)

A

the internet

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24
Q

Small home networks connect

A

a few computers to each other and to the internet.

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25
Q

allows computers in a home office or a remote office to connect to a corporate network, or access centralized, shared resources.

A

SOHO Network (Small Office Home Office)

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26
Q

type of network that can have many locations with hundreds or thousands of interconnected hosts.

A

Medium to Large Networks.

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27
Q

Network infrastructures vary greatly in terms of: (4 ways)

A

Size of the area covered
Number of users connected
Number and types of services available
Area of responsibility

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28
Q

LAN (Local Area Network)

A

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

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29
Q

WAN (Wide Area Network)

A

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

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30
Q

interconnect end devices in a limited area such as a home, school, office building, or campus.

A

LAN

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31
Q

administered by a single organization or individual. Administrative control is enforced at the network level and governs the security and access control policies.

A

LAN

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32
Q

interconnect LANs over wide geographical areas such as between cities, states, provinces, countries, or continents.

A

WAN

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33
Q

term often used to refer to a private connection of LANs and WANs that belongs to an organization

A

Intranet

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34
Q

designed to be accessible only by the organization’s members, employees, or others with authorization.

A

Intranet

35
Q

A local office of education that is providing budget and personnel information to the schools in its district is an example of an….

A

extranet

36
Q

Which network infrastructure might an organization use to provide secure and safe access to individuals who work for a different organization but require access to the organization’s data?

A

extranet

37
Q

Type of connection that provides a high bandwidth, high availability, and an always-on connection to the internet. Transmitted on same connection that transmits television.

A

Cable

38
Q

It provides a high bandwidth, high availability, and an always-on connection to the internet. Runs over a telephone line.

A

DSL ( Digital Subscriber Lines)

39
Q

Type of internet access that uses a cell phone network to connect.

A

Cellular.

40
Q

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

A

Dial-Up Telephone.

41
Q

reserved circuits within the service provider’s network that connect geographically separated offices for private voice and/or data networking

A

Dedicated Leased Line

42
Q

extend LAN access technology into the WAN

A

Metro Ethernet

43
Q

four basic characteristics that network architects must address to meet user expectations:

A

Fault Tolerance
Scalability
Quality of Service (QoS)
Security

44
Q

Fault Tolerance Network

A

Limits the number of affected devices during a failure.

45
Q

splits traffic into packets that are routed over a shared network

A

Packet Switching

46
Q

A scalable network expands quickly to support new users and applications without…

A

degrading the performance of services that are being accessed by existing users

47
Q

Congestion occurs when…

A

the demand for bandwidth exceeds the amount available.

48
Q

QoS prioritizes…

A

time-sensitive traffic.

49
Q

When the volume of traffic is greater than what can be transported across the network devices…

A

will hold the packets in memory until resources become available to transmit them

50
Q

two types of network security concerns

A

network infrastructure security and information security.

51
Q

Securing the network infrastructure includes…

A

physically securing devices that provide network connectivity and preventing unauthorized access to the management software that resides on them

52
Q

Data Confidentiality

A

only the intended and authorized recipients can access and read data.

53
Q

Data Integrity

A

assures users that the information has not been altered in transmission, from origin to destination.

54
Q

Data Availability

A

assures users of timely and reliable access to data services for authorized users.

55
Q

When designers follow accepted standards and protocols, which of the four basic characteristics of network architecture is achieved?

A

Scalability

56
Q

Confidentiality, integrity, and availability are requirements of which of the four basic characteristics of network architecture?

A

Security

57
Q

With which type of policy, a router can manage the flow of data and voice traffic, giving priority to voice communications if the network experiences congestion?

A

QoS

58
Q

Having multiple paths to a destination is known as redundancy. This is an example of which characteristic of network architecture?

A

fault tolerance

59
Q

enables end users the freedom to use personal tools to access information and communicate across a business or campus network

A

BYOD (Bring Your Own Device)

60
Q

allows us to store personal files, even backup an entire drive on servers over the internet

A

Cloud Computing

61
Q

an ISP that connects subscribers to a designated access point or hot spot using similar wireless technologies found in home wireless local area networks (WLANs)

A

Wireless Internet Service Provider (WISP)

62
Q

Which feature is a good conferencing tool to use with others who are located elsewhere in your city, or even in another country?

A

Video Communications

63
Q

Which feature describes using personal tools to access information and communicate across a business or campus network?

A

BYOD

64
Q

Which feature contains options such as Public, Private, Custom and Hybrid?

A

Cloud Computing

65
Q

Which feature is being used when connecting a device to the network using an electrical outlet?

A

Powerline

66
Q

Which feature uses the same cellular technology as a smart phone?

A

Wireless Broadband

67
Q

These contain malicious software or code running on a user device

A

Viruses, worms, and Trojan horses

68
Q

These are types of software which are installed on a user’s device. The software then secretly collects information about the user

A

Spyware and adware

69
Q

Also called zero-hour attacks, these occur on the first day that a vulnerability becomes known.

A

Zero-day attacks

70
Q

A malicious person attacks user devices or network resources.

A

Threat actor attacks

71
Q

These attacks slow or crash applications and processes on a network device.

A

Denial of service attacks

72
Q

This attack captures private information from an organization’s network.

A

Data interception and theft

73
Q

This attack steals the login credentials of a user in order to access private data.

A

Identity theft

74
Q

These applications help to protect end devices from becoming infected with malicious software.

A

Antivirus and antispyware

75
Q

blocks unauthorized access into and out of the network.

A

Firewall filtering

76
Q

These provide more advanced firewall capabilities that can filter large amounts of traffic with more granularity.

A

Dedicated firewall systems

77
Q

These further filter access and traffic forwarding based on IP addresses and applications.

A

Access control lists (ACL)

78
Q

These identify fast-spreading threats, such as zero-day or zero-hour attacks.

A

Intrusion prevention systems (IPS)

79
Q

These provide secure access into an organization for remote workers.

A

Virtual private networks (VPN)

80
Q

Which attack slows down or crashes equipment and programs?

A

Denial of Service (DoS)

81
Q

Which option creates a secure connection for remote workers?

A

Virtual Private Network(VPN)

82
Q

Which option blocks unauthorized access to your network?

A

Firewall

83
Q

Which option describes a network attack that occurs on the first day that a vulnerability becomes known?

A

Zero-day to Zero-hour

84
Q

Which option describes malicious code running on user devices?

A

Virus, worm, or Trojan horse.

CNT 210 (11 decks)

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