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PRELIMS > NETW311 > Flashcards

NETW311 Flashcards

1
Q

Every computer on a network is called a ____ or ___ ______.

A

host, end device

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2
Q

Servers are computers that provide information to end devices:

A

email, web, and file servers

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3
Q

Email server runs ______ ______ ______.

A

email server software

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4
Q

Clients use ______ ______ to access email.

A

client software

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5
Q

Web server runs ___ server software.

A

web

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6
Q

Clients use _______ _______ to access web pages.

A

browser software

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7
Q

File server stores _____ and ____ files.

A

corporate and user

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8
Q

It is possible to have a device be a client and a server. This type of network design is only recommended for very small networks.

A

peer-to-peer network

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9
Q

An ___ ______ is where a message originates from or where it is received.

A

end device

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10
Q

____ originates with an end device, flows through the network, and arrives at an end device.

A

data

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11
Q

An _______ _______ interconnects end devices.

A

intermediary device

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12
Q

Examples of intermediary devices are: switches, wireless access points, routers, and ________.

A

firewalls

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13
Q

Communication across a network is carried through a medium which allows a message to travel from _____ to ________.

A

source to destination

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14
Q

Metal wires within cables uses ________ __________.

A

electrical impulses

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15
Q

Glass or plastic fibers within cables (fiber-optic cable)
uses ______ __ ______

A

pulses of light

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16
Q

Wireless transmission uses modulation of specific frequencies of __________ ______.

A

electromagnetic waves

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17
Q

Network diagrams, often called _______ ________, use symbols to represent devices within the network.

A

topology diagrams

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18
Q

NIC stands for ____________

A

Network Interface Card

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19
Q

_______ topology diagrams illustrate the physical location of intermediary devices and cable installation.

A

physical

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20
Q

________ topology diagrams illustrate devices, ports, and the addressing scheme of the network.

A

logical

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21
Q

It connect a few computers to each other and the Internet.

A

Small Home Networks

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22
Q

It enables computer within a home or remote office to connect to a corporate network.

A

Small Office/Home Office

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23
Q

It has many locations with hundreds or thousands of interconnected computers

A

Medium to Large Networks

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24
Q

It connects hundreds of millions of computers world-wide – such as the internet

A

World Wide Networks

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25
Q

The two most common types of network are ___ and ___

A

LAN and WAN

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26
Q

It is a network infrastructure that spans a small geographical area.

A

Local Area Network (LAN)

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27
Q

It is a network infrastructure that spans a wide geographical area.

A

Wide Area Network (WAN)

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28
Q

It is a private collection of LANs and WANs internal to an organization that is meant to be accessible only to the organizations members or others with authorization.

A

Intranet

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29
Q

_____ has high bandwidth, always on, internet offered by cable television service providers.

A

cable

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30
Q

___ has high bandwidth, always on, internet connection that runs over a telephone line.

A

DSL

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31
Q

It uses a cell phone network to connect to the internet.

A

cellular

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32
Q

A major benefit to rural areas without Internet Service Providers.

A

satellite

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33
Q

An inexpensive, low bandwidth option using a modem.

A

dial-up telephone

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34
Q

This extends LAN access technology into the WAN.

A

Ethernet WAN

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35
Q

These are reserved circuits within the service provider’s network that connect distant offices with private voice and/or data networking.

A

Dedicated Leased Line

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36
Q

Converged data networks carry multiple services on one link including:

A

data, voice, video

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37
Q

It refers to the technologies that support the infrastructure that moves data across the network.

A

Network Architecture

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38
Q

It limits the impact of a failure by limiting the number of affected devices. Multiple paths are required for fault tolerance.

A

fault tolerant network

39
Q

It splits traffic into packets that are routed over a network.

A

packet switching

40
Q

It can expand quickly and easily to support new users and applications without impacting the performance of services to existing users.

A

scalable network

41
Q

It is the primary mechanism used to ensure reliable delivery of content for all users.

A

Quality of Service

42
Q

It allows us to store personal files or backup our data on servers over the internet.

A

Cloud Computing

43
Q

Available to the general public through a pay-per-use model or for free.

A

public clouds

44
Q

Intended for a specific organization or entity such as the government.

A

private cloud

45
Q

Made up of two or more Cloud types – for example, part custom and part public.

A

hybrid clouds

46
Q

Built to meet the needs of a specific industry, such as healthcare or media.

A

custom clouds

47
Q

A growing trend that allows technology to be integrated into every-day appliances which allows them to interconnect with other devices.

A

Smart Home Technology

48
Q

It allow devices to connect to a LAN where data network cables or wireless communications

A

Powerline Networking

49
Q

The user interface that allows users to request specific tasks from the computer. These requests can be made either through the CLI or GUI interfaces.

A

Shell

50
Q

Communicates between the hardware and software of a computer and manages how hardware resources are used to meet software requirements.

A

Kernel

51
Q

Allows the user to interact with the system using an environment of graphical icons, menus, and windows.

A

GUI

52
Q

A physical management port used to access a device in order to provide maintenance, such as performing the initial configurations.

A

console

53
Q

Establishes an insecure remote CLI connection to a device over the network. (Note: User authentication, passwords and commands are sent over the network in plaintext.)

A

Telnet

54
Q

Establishes a secure remote CLI connection to a device, through a virtual interface, over a network. (Note: This is the recommended method for remotely connecting to a device.)

A

Secure Shell

55
Q

Used to connect to a network device by either a console port or by an SSH/Telnet connection.

A

Terminal emulation programs

56
Q

Allows access to only a limited number of basic monitoring commands using (>) symbol

A

user EXEC mode

57
Q

Allows access to all commands and features using (#) symbol

A

privileged EXEC mode

58
Q

Used to access configuration options on the device

A

Global Configuration Mode

59
Q

Used to configure console, SSH, Telnet or AUX access

A

Line Configuration Mode

60
Q

Used to configure a switch port or router interface

A

Interface Configuration Mode

61
Q

This is a specific parameter defined in the operating system (in the figure,ip protocols).

A

Keyword

62
Q

This is not predefined; it is a value or variable defined by the user

A

Argument

63
Q

This is the saved configuration file that is stored in NVRAM. It contains all the commands that will be used by the device upon startup or reboot.

A

startup-config

64
Q

This is stored in Random Access Memory (RAM). It reflects the current configuration. Modifying a running configuration affects the operation of a Cisco device immediately.

A

running-config

65
Q

The use of ___________ is the primary means of enabling devices to locate one another and establish end-to-end communication on the internet.

A

IP addresses

66
Q

A 32-bit value that differentiates the network portion of the address from the host portion.

A

IPv4 subnet mask

67
Q

128 bits in length and written as a string of hexadecimal values. They are not case-sensitive and can be written in either lowercase or uppercase.

A

IPv6 addresses

68
Q

The process of converting information into another acceptable form for transmission.

A

Encoding

69
Q

Reverses encoding process to interpret the information.

A

Decoding

70
Q

Manages the rate of data transmission and defines how much information can be sent and the speed at which it can be delivered.

A

Flow Control

71
Q

Manages how long a device waits when it does not hear a reply from the destination.

A

Response Timeout

72
Q

Determines when someone can send a message.

A

Access method

73
Q

one to one communication

A

unicast

74
Q

one to many, typically not all

A

multicast

75
Q

one to all

A

broadcast

76
Q

Governs the way a web server and a web client interact

A

Hypertext transfer protocol (HTTP)

77
Q

Manages the individual conversations

A

Transmission Control Protocol (TCP)

78
Q

Delivers messages globally from the sender to the receiver

A

Internet Protocol (IP)

79
Q

Delivers messages from one NIC to another NIC on the same Ethernet Local Area Network (LAN)

A

Ethernet

80
Q

The most common protocol suite and maintained

A

Internet Protocol Suite or TCP/IP-

81
Q

Developed by the International Organization for Standardization (ISO) and the International Telecommunications Union (ITU)

A

Open Systems Interconnection (OSI) protocols-

82
Q

Proprietary suite release by Apple Inc.

A

AppleTalk

83
Q

Proprietary suite developed by Novell Inc.

A

Novell NetWare

84
Q

Develops, updates, and maintains internet and TCP/IP technologies

A

Internet Engineering Task Force (IETF)

85
Q

Focused on long-term research related to internet and TCP/IP protocols

A

Internet Research Task Force (IRTF)

86
Q

Responsible for management and development of internet standards

A

Internet Architecture Board (IAB)

87
Q

Promotes the open development and evolution of internet

A

Internet Society (ISOC)

88
Q

The capacity at which a medium can carry data.

A

bandwidth

89
Q

Amount of time, including delays, for data to travel from one given point to another

A

Latency

90
Q

The measure of the transfer of bits across the media over a given period of time

A

throughput

91
Q

The measure of usable data transferred over a given period of time

A

goodput

92
Q

The most common type of cabling used in networks today. It is inexpensive, easy to install, and has low resistance to electrical current flow.

A

Copper cabling

93
Q

UTP stands for

A

Unshielded Twisted Pair

94
Q

STP stands for

A

Shielded Twisted Pair

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