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CNT 210 > Module 3 > Flashcards

Module 3 Flashcards

1
Q

Rules that govern how devices communicate?

A

Protocols

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2
Q

people, or electronic devices, that need to send a message to other individuals or devices.

A

Message source (sender)

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3
Q

The destination receives the message and interprets it.

A

Message Destination (receiver)

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4
Q

This consists of the media that provides the pathway over which the message travels from source to destination.

A

Channel

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5
Q

Protocols must account for 4 following requirements to successfully deliver a message that is understood by the receiver… what are they?

A

An identified sender and receiver
Common language and grammar
Speed and timing of delivery
Confirmation or acknowledgment requirements

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6
Q

This is the process of managing the rate of data transmission.

A

Flow Control

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7
Q

If a person asks a question and does not hear a response within an acceptable amount of time, the person assumes that no answer is coming and reacts accordingly

A

Response Timeout

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8
Q

This determines when someone can send a message.

A

Access method

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9
Q

What is the process of converting information into the proper form for transmission?

A

Encoding

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10
Q

What are Flow control, Access method, and response timeout components of?

A

message timing.

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11
Q

Which delivery method is used to transmit information to one or more end devices, but not all devices on the network?

A

Multicast

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12
Q

enable two or more devices to communicate over one or more networks.

A

Network Communications Protocols

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13
Q

type of Protocols that secure data to provide authentication, data integrity, and data encryption.

A

Network Security Protocols

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14
Q

Protocols that enable routers to exchange route information, compare path information, and then to select the best path to the destination network.

A

Routing Protocols

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15
Q

Protocols that are used for the automatic detection of devices or services.

A

Service Discovery Protocols.

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16
Q

Addressing

A

identifies the sender and the intended receiver of the message using a defined addressing scheme.

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17
Q

This function provides guaranteed delivery mechanisms in case messages are lost or corrupted in transit

A

Reliability

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18
Q

This function ensures that data flows at an efficient rate between two communicating devices.

A

Flow control

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19
Q

This function uniquely labels each transmitted segment of data.

A

Sequencing

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20
Q

This function is used to determine if data became corrupted during transmission.

A

Error Detection

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21
Q

This function contains information used for process-to-process communications between network applications.

A

Application Interface

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22
Q

This protocol governs the way a web server and a web client interact.

A

Hypertext Transfer Protocol (HTTP)

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23
Q

This protocol manages the individual conversations, guaranteeing the reliable delivery of the information and managing flow control between the end devices.

A

Transmission Control Protocol (TCP)

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24
Q

This protocol is responsible for delivering messages from the sender to the receiver.

A

Internet Protocol (IP)

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25
Q

This protocl is responsible for the delivery of messages from one NIC to another NIC on the same LAN.

A

Ethernet.

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26
Q

BGP and OSPF are examples of which type of protocol?

A

routing.

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27
Q

BGP acronym.

type of protocol?

A

Border Gateway Protocol.

routing.

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28
Q

OSPF acronym.

type of protocol?

A

Open Shortest Path First.

routing.

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29
Q

DNS acronym.

type of protocol.

A

Domain Name system.

Service Discovery Protocol.

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30
Q

DHCP acronym.

type of protocol.

A

Dynamic Host configuration Protocol.

Service Discovery protocol

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31
Q

What is the purpose of the sequencing function in network communication?

A

to uniquely label transmitted segments of data for proper reassembly by the receiver.

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32
Q

This protocol is responsible for guaranteeing the reliable delivery of information

A

TCP

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33
Q

set of protocols that work together to provide comprehensive network communication services.

A

A protocol suite

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34
Q

Open standard protocol suite maintained by the Internet Engineering Task Force (IETF).
It’s also the most relevant and common protocol suite used today.

A

Internet Protocol Suite (TCP/IP)

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35
Q

A family of protocols developed jointly in 1977 by the International Organization for Standardization (ISO) and the ITU.
Known for its layered model.

A

Open Systems Interconnection protocols (OSI)

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36
Q

A short-lived proprietary protocol suite released by Apple Inc. in 1985.

A

AppleTalk.

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37
Q

A short lived propreitary protocol suite and network OS developed by Novell in 1983 using the IPX network protocol.

A

Novell NetWare.

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38
Q

The most common network access layer LAN protocols are

A

Ethernet and WLAN (wireless LAN) protocols

39
Q

responsible for delivering the IP packet over the physical medium.

A

Network access layer protocols

40
Q

Protocol suite that is freely available to the public and can be used by and vendor on their hardware or in their software.

A

Open Standard Protocol Suite.

41
Q

Means a protocol suite that has been endorsed by the networking industry and approved by a standards organization.

A

Standards-based protocol suite.

42
Q

UDP and TCP belong to which layer of the TCP/IP protocol?

A

Transport

43
Q

DNS and DHCP belong to which layer of the TCP/IP.

A

Model application layer.

44
Q

Which protocol operates at the network access layer of the TCP/IP model?

A

Ethernet.

45
Q

A device receives a data link frame with data and processes and removes the Ethernet information. What information would be the next to be processed by the receiving device?

A

IP at the internet layer

46
Q

Responsible for promoting open development and evolution of internet use throughout the world.

A

Internet Society (ISOC)

47
Q

Responsible for the overall management and development of internet standards.

A

Internet Architecture Board (IAB)

48
Q

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

A

Internet Engineering Task Force (IETF)

49
Q

Focused on long-term research related to internet and TCP/IP protocols such as Anti-Spam Research Group, Crypto Forum Research Group and Peer-to-Peer Research Group.

A

Internet Research Task Force (IRTF)

50
Q

Coordinates IP address allocation, the management of domain names, and assignment of other information use in TCP/IP protocols.

A

Internet Corporation for Assigned NAmes and Numbers (ICANN)

51
Q

Respoinsible for overseeing and managing IP address allocation, domain name management, and protocol identifiers for ICANN.

A

Internet Assigned Numbers Authority (IANA)

52
Q

Organization of electrical engineering and electronics dedicated to advancing technological innovation and creating standards in a wide area of industries including power and energy, healthcare, telecommunications, and networking

A

Institute of Electrical and Electronics Engineers (IEEE, pronounced “I-triple-E”

53
Q

Organization is best known for its standards relating to electrical wiring, connectors, and the 19-inch racks used to mount networking equipment.

A

Electronic Industries Alliance (EIA)

54
Q

Organization responsible for developing communication standards in a variety of areas including radio equipment, cellular towers, Voice over IP (VoIP) devices, satellite communications, and more.

A

Telecommunications Industry Association (TIA)

55
Q

One of the largest and oldest communication standards organizations.

A

International Telecommunications Union-Telecommunication Standardization Sector (ITU-T)

56
Q

True or false. Standards organizations are usually vendor-neutral.

A

true

57
Q

This standards organization is concerned with the Request for Comments (RFC) documents that specify new protocols and update existing ones

A

Internet Engineering Task Force (IETF)

58
Q

This standards organization is responsible for IP address allocation and domain name management.

A

Internet Assigned Numbers Authority (IANA)

59
Q

What types of standards are developed by the Electronics Industries Alliance (EIA)?

A

electric wiring and connectors.

60
Q

Two primary benefits of segmenting messages.

A

Increase speed.

increase efficiency.

61
Q

The form that a piece of data takes at any layer is called a

A

protocol data unit (PDU)

62
Q

The general term for the PDU used at the application layer.

A

Data

63
Q

Transport layer PDU.

A

Segment

64
Q

Network Layer PDU

A

Packet

65
Q

Data Link layer PDU

A

Frame

66
Q

Physical layer PDU used when physically transmitting data over the medium.

A

Bits

67
Q

What is the process of dividing a large data stream into smaller pieces prior to transmission?

A

segmentation

68
Q

What is the PDU associated with the transport layer?

A

segment

69
Q

Which protocol stack layer encapsulates data into frames?

A

data link

70
Q

What is the name of the process of adding protocol information to data as it moves down the protocol stack?

A

encapsulation

71
Q

The IP address of the sending device, which is the original source of the packet.

A

Source IP address

72
Q

The IP address of the receiving device, which is the final destination of the packet.

A

Destination IP address

73
Q

This is the data link address of the device that sends the data link frame with the encapsulated IP packet.

A

Source MAC address

74
Q

When the receiving device is on the same network as the sending device, this is the data link address of the receiving device.

A

Destination MAC address

75
Q

True or false? Frames exchanged between devices in different IP networks must be forwarded to a default gateway.

A

True

76
Q

True or false? The right-most part of an IP address is used to identify the network that a device belongs to.

A

False

77
Q

What is used to determine the network portion of an IPv4 address?

A

subnet mask

78
Q

What is the order of the two addresses in the data link frame?

A

destination MAC, source MAC

79
Q

True or False? Data Link addresses are physical so they never change in the data link frame from source to destination.

A

False

80
Q

three acronyms/initialisms represent standards organizations?

A

IANA
IEEE
IETF

81
Q

What type of communication will send a message to all devices on a local area network?

A

broadcast

82
Q

In computer communication, what is the purpose of message encoding?

A

to convert information to the appropriate form for transmission.

83
Q

Which message delivery option is used when all devices need to receive the same message simultaneously?

A

broadcast

84
Q

What are two benefits of using a layered network model?

A

It assists in protocol design.

It prevents technology in one layer from affecting other layers.

85
Q

What is the purpose of protocols in data communications?

A

providing the rules required for a specific type of communication to occur.

86
Q

Which logical address is used for delivery of data to a remote network?

A

destination IP address

87
Q

What is the general term that is used to describe a piece of data at any layer of a networking model?

A

protocol data unit

88
Q

Which layer of the OSI model defines services to segment and reassemble data for individual communications between end devices?

A

transport

89
Q

Which type of communication will send a message to a group of host destinations simultaneously?

A

multicast

90
Q

What process is used to receive transmitted data and convert it into a readable message?

A

decoding

91
Q

What is done to an IP packet before it is transmitted over the physical medium?

A

It is encapsulated in a Layer 2 frame.

92
Q

What process is used to place one message inside another message for transfer from the source to the destination?

A

encapsulation

93
Q

A web client is sending a request for a webpage to a web server. From the perspective of the client, what is the correct order of the protocol stack that is used to prepare the request for transmission?

A

HTTP, TCP, IP, Ethernet.

CNT 210 (11 decks)

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