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Data Communication & Networking > Network Protocols and Communications > Flashcards

Network Protocols and Communications Flashcards

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1
Q

What are the three elements to any communication?

A

Source (sender)
Destination (receiver)
Channel (media)

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2
Q

Encoding between hosts must be in an appropriate _____ for the medium

A

Message Size

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3
Q

These are a group of interrelated protocols that help you perform communication functions.

A

Protocol Suite

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4
Q

It is a communication where message is sent to many but not all

A

Multicast

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5
Q

It is where it reverses encoding to
interpret the information.

A

Decoding

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6
Q

What layers use addressing to
deliver data from source to destination?

A

Data Link and Network Layer

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7
Q

It is the process of numbering the segments so that the message may be reassembled at the destination.

A

Sequencing

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8
Q

A TCP/IP layer that determines the best path through the network

A

Network/Internet Layer (2nd)

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9
Q

An OSI Layer that Defines services to segment, transfer, and reassemble the data for individual communications.

A

Transport Layer (4th)

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10
Q

True or False:
All devices on the LAN must be told about the default gateway address or their traffic will be confined to the LAN only.

A

True

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11
Q

Two primary benefits of segmenting

A

Increased speed and efficiency

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12
Q

A type of protocol that enable routers to exchange route information, compare path information, and select the best path.

A

Routing

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13
Q

It is the process where protocols add their information to the data.

A

Encapsulation

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14
Q

When the final destination is remote, Layer 3 will provide Layer 2 with what IP Address?

A

Local default gateways or Router Address

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15
Q

An OSI Layer that Provides for common representation of the data transferred between application layer services.

A

Presentation Layer (6th)

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16
Q

It is Responsible for delivering the data link frame from one network interface card (NIC) to another NIC on the same network

A

Data link layer source and destination addresses

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17
Q

Protocols that attempt to prevent collisions

A

Proactive Protocols

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18
Q

A network protocol function that determines if data became corrupted during transmission

A

Error Detection

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19
Q

A TCP/IP layer that represents data to the user, plus encoding and dialog control.

A

Application Layer (4th)

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20
Q

True or False:
Message formats don’t depend on the type of message and the channel that is used to deliver the message

A

False

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21
Q

The protocols are viewed in terms of what layers?

A

Higher and Lower Layers

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22
Q

What IP addresses does IP packets contain?

A

Source and Destination IP address

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23
Q

True or False:
When devices are on different Ethernet network the data link frame will use the actual MAC address of the destination NIC.

A

False, same ethernet network

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24
Q

This is when more than one device sends traffic at the same time and the messages become corrupt.

A

Collision

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25
It is the process of converting information into another acceptable form for transmission.
Message Encoding
26
What are the protocol suites that Microsoft own?
Net view and Net BIOS
27
What are the 7 layers of OSI?
Application, Presentation, Session, Transport, Network, Data link, Physical
28
It is Responsible for delivering the IP packet from the original source to the final destination.
Network layer source and destination addresses
29
A TCP/IP layer that supports communication between various devices across diverse networks.
Transport Layer (3rd)
30
Open Standard encourages?
○ Interoperability ○ Competition ○ Innovation
31
An OSI Layer that Provides services to exchange the individual pieces of data over the network.
Network Layer (3rd)
32
It is the remaining part of the address identifies a specific device within the group. This portion is unique for each device on the network.
Host portion (IPv4) or Interface ID (IPv6)
33
A protocol that governs the way a web server and a web client interact, and defines content and format
Hypertext Transfer Protocol (HTTP)
34
How does PDUs pass down the stack?
1. Data (Data Stream) 2. Segment 3. Packet 4. Frame 5. Bits (Bit Stream)
35
When it detects a problem it will broadcast it and will give way to the traffic and it will have flow control one at a time to avoid collision, but only happens on wireless networks
Carrier sense multiple access with collision avoidance CSMA/CA (wireless)
36
A network protocol function that uniquely labels each transmitted segment of data
Sequencing
37
True or False: When a message is sent, it must use a specific format or structure.
True
38
A type of protocol that is used for the automatic detection of devices or services.
Service Discovery
39
An internet standard that focused on long-term research related to internet and TCP/IP protocols.
Internet Research Task Force (IRTF)
40
It is a one to one communication
Unicast
41
A network protocol function that ensures data flows at an efficient rate
Flow Control
42
It is the left -most part of the address indicates the network group of which the IP address is a member. Each LAN or WAN will have the same network portion.
Network portion (IPv4) or Prefix (IPv6)
43
True or False: All communications are governed by protocols.
True
44
Last in First Out
Stack
45
A type of protocol that enable two or more devices to communicate over one or more networks.
Network Communications
46
What are the two layered models describe network operations?
○ Open System Interconnection (OSI) Reference Model ○ TCP/IP Reference Model
47
Proprietary suite release by Apple Inc.
AppleTalk
48
A network protocol function which provides process-to-process communications between network applications
Application Interface
49
An OSI Layer that Describes the means to activate, maintain, and deactivate physical connections.
Physical Layer (1st)
50
Protocols that establish a recovery method after the collision occurs.
Reactive Protocols
51
A network protocol function that provides guaranteed delivery
Reliability
52
It manages how long a device waits when it does not hear a reply from the destination.
Response Timeout
53
How does de-encapsulation happens?
1. Received as Bits (Bit Stream) 2. Frame 3. Packet 4. Segment 5. Data (Data Stream)
54
A TCP/IP layer that controls the hardware devices and media that make up the network.
Network Access Layer (1st)
55
Protocol Requirements
● An identified sender and receiver ● Common language and grammar ● Speed and timing of delivery ● Confirmation or acknowledgment requirements
56
It determines when someone can send a message.
Access method
57
It is a standards-based protocol suite that is endorsed by the networking industry and approved by a standards organization to ensure interoperability
TCP/IP Protocol Suite
58
Protocols have their own?
Function, Format, Rules
59
It is an open standard protocol suite that is freely available to the public and can be used by any vendor.
TCP/IP Protocol Suite
60
An OSI Layer that Contains protocols used for process-to-process communications.
Application Layer (7th)
61
An internet standard that is responsible for management and development of internet standards.
Internet Architecture Board (IAB)
62
It is the process of breaking up messages into smaller units.
Segmenting
63
First in First Out
Queue
64
It manages the rate of data transmission and defines how much information can be sent and the speed at which it can be delivered.
Flow Control
65
A network protocol function that identifies sender and receiver
Addressing
66
An OSI Layer that Describes methods for exchanging data frames over a common media.
Data Link Layer (2nd)
67
A protocol that delivers messages globally from the sender to the receiver
Internet Protocol (IP)
68
A protocol that delivers messages from one NIC to another NIC on the same Ethernet Local Area Network (LAN)
Ethernet
69
_____ is responsible for sequencing the individual segments.
TCP
70
Data is ___________ as it moves up the stack.
De-encapsulated
71
What do we call a group of layers?
Protocol Stacks
72
True or False: If the message or data you want to send to someone is large during the transmission the data will be split into smaller parts but won't go to the same destination.
False
73
Is broadcast used in IPv6?
No
74
What are the rules that the communication needs to follow in order for the sender and the receiver to understand the data that is being sent?
Protocols
75
An internet standard that develops, updates, and maintains internet and TCP/IP technologies.
Internet Engineering Task Force (IETF)
76
It is the processes of taking multiple streams of segmented data and interleaving them together.
Multiplexing
77
A type of protocol which secure data to provide authentication, data integrity, and data encryption.
Network Security
78
These are a set of rules that work together to solve a problem.
Protocol Suite
79
What are the most common network access layer LAN protocols?
Ethernet and WLAN
80
These protocols operate at the application, transport, and internet layers.
TCP/IP protocols
81
When it detects a problem it will broadcast it and will give way to the traffic and it will have flow control one at a time to avoid collision.
Carrier Sense Multiple Access with collision detection CSMA/CD
82
A protocol that manages the individual conversations, provides guaranteed delivery, and manages flow control
Transmission Control Protocol (TCP)
83
Developed by the International Organization for Standardization (ISO) and the International Telecommunications Union (ITU)
Open Systems Interconnection (OSI) protocols
84
Proprietary suite developed by Novell Inc.
Novell NetWare
85
The most common protocol suite and maintained by the Internet Engineering Task Force (IETF)
Internet Protocol Suite or TCP/IP
86
When a message is sent to all
Broadcast
87
An OSI Layer that Provides services to the presentation layer and to manage data exchange.
Session Layer (5th)
88
An internet standard that promotes the open development and evolution of the internet.
Internet Society (ISOC)
89
What are the layers or TCP/IP model?
Application, Transport, Internet, Network Access Layer

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