Network Protocols and Communications Flashcards
What are the three elements to any communication?
Source (sender)
Destination (receiver)
Channel (media)
Encoding between hosts must be in an appropriate _____ for the medium
Message Size
These are a group of interrelated protocols that help you perform communication functions.
Protocol Suite
It is a communication where message is sent to many but not all
Multicast
It is where it reverses encoding to
interpret the information.
Decoding
What layers use addressing to
deliver data from source to destination?
Data Link and Network Layer
It is the process of numbering the segments so that the message may be reassembled at the destination.
Sequencing
A TCP/IP layer that determines the best path through the network
Network/Internet Layer (2nd)
An OSI Layer that Defines services to segment, transfer, and reassemble the data for individual communications.
Transport Layer (4th)
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.
True
Two primary benefits of segmenting
Increased speed and efficiency
A type of protocol that enable routers to exchange route information, compare path information, and select the best path.
Routing
It is the process where protocols add their information to the data.
Encapsulation
When the final destination is remote, Layer 3 will provide Layer 2 with what IP Address?
Local default gateways or Router Address
An OSI Layer that Provides for common representation of the data transferred between application layer services.
Presentation Layer (6th)
It is Responsible for delivering the data link frame from one network interface card (NIC) to another NIC on the same network
Data link layer source and destination addresses
Protocols that attempt to prevent collisions
Proactive Protocols
A network protocol function that determines if data became corrupted during transmission
Error Detection
A TCP/IP layer that represents data to the user, plus encoding and dialog control.
Application Layer (4th)
True or False:
Message formats don’t depend on the type of message and the channel that is used to deliver the message
False
The protocols are viewed in terms of what layers?
Higher and Lower Layers
What IP addresses does IP packets contain?
Source and Destination IP address
True or False:
When devices are on different Ethernet network the data link frame will use the actual MAC address of the destination NIC.
False, same ethernet network
This is when more than one device sends traffic at the same time and the messages become corrupt.
Collision
It is the process of converting information into another acceptable form for transmission.
Message Encoding
What are the protocol suites that Microsoft own?
Net view and Net BIOS
What are the 7 layers of OSI?
Application, Presentation, Session, Transport, Network, Data link, Physical
It is Responsible for delivering the IP packet from the original source to the final destination.
Network layer source and destination addresses
A TCP/IP layer that supports communication between various devices across diverse networks.
Transport Layer (3rd)
Open Standard encourages?
○ Interoperability
○ Competition
○ Innovation
An OSI Layer that Provides services to exchange the individual pieces of data over the network.
Network Layer (3rd)
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)
A protocol that governs the way a web server and a web client interact, and defines content and format
Hypertext Transfer Protocol (HTTP)
How does PDUs pass down the stack?
- Data (Data Stream)
- Segment
- Packet
- Frame
- Bits (Bit Stream)
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)