IOT & M2M Protocols: Protocol Functions and OSI Model
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Questions and Answers

Which protocol function aims to reduce duplication of effort and may have the same type of function in protocols at different levels?

  • Flow control
  • Encapsulation (correct)
  • Fragmentation
  • Connection control

    • In which layer of the OSI model does hop-to-hop delivery occur?

  • Session layer
  • Transport layer
  • Network layer (correct)
  • Data link layer

    • How many layers were originally defined in the TCP/IP protocol suite?

  • Four (correct)
  • Five
  • Two
  • Three

    • Which layer in the TCP/IP protocol suite is equivalent to the OSI model's transport layer?

    <p>Transport</p> Signup and view all the answers

    What is the aim of the OSI model's presentation layer?

    <p>Translation, compression, and encryption of data</p> Signup and view all the answers

    Which TCP/IP layer is responsible for network access?

    <p>Network access</p> Signup and view all the answers

    Which layer of the TCP/IP model is responsible for connection-oriented transmission?

    <p>Transport Layer</p> Signup and view all the answers

    What type of addressing is used in most local-area networks for physical addresses?

    <p>48-bit hexadecimal addresses</p> Signup and view all the answers

    In the TCP/IP model, what protocol is responsible for finding the physical address of a router that corresponds to its logical address?

    <p>Address Resolution Protocol (ARP)</p> Signup and view all the answers

    What is the relationship between Logical Addresses and Physical Addresses in TCP/IP?

    <p>Logical Addresses are related to network layer, while Physical Addresses are related to data link layer</p> Signup and view all the answers

    What is the purpose of the Address Resolution Protocol (ARP) in TCP/IP?

    <p>To resolve logical addresses to physical addresses</p> Signup and view all the answers

    How many pairs of addresses does each router have on average in a network with multiple connections?

    <p>A pair for each connection</p> Signup and view all the answers

    What addresses are used in an internet employing the TCP/IP protocols?

    <p>Logical, physical, port, and specific addresses</p> Signup and view all the answers

    What does the Stream Control Transmission Protocol (SCTP) provide that distinguishes it from other protocols?

    <p>Reliable connection management</p> Signup and view all the answers

    What distinguishes Physical Addresses from Logical Addresses in a network employing TCP/IP protocols?

    <p>Physical Addresses are associated with the data link layer while Logical Addresses are associated with the network layer.</p> Signup and view all the answers

    Which layer of the TCP/IP model is responsible for ensuring reliable data delivery?

    <p>Transport Layer</p> Signup and view all the answers

    Study Notes

    Protocol Functions and OSI Model

    • The function of reducing duplication of effort is inherent in many protocols, providing similar capabilities across different protocol levels.
    • Hop-to-hop delivery occurs in the Data Link layer of the OSI model.

    TCP/IP Protocol Suite

    • The TCP/IP protocol suite originally defined four layers.
    • The Transport layer in the TCP/IP protocol suite corresponds to the Transport layer of the OSI model.
    • The Network Access layer in TCP/IP is responsible for network access.

    OSI Model Layers

    • The Presentation layer of the OSI model aims to translate, encrypt, and compress data for the application layer.

    Addressing and Protocols in TCP/IP

    • Most local-area networks use MAC (Media Access Control) addressing for physical addresses.
    • In the TCP/IP model, the Address Resolution Protocol (ARP) locates the physical address corresponding to a given logical address (IP address).
    • Logical Addresses (IP addresses) are used for routing packets over networks, while Physical Addresses (MAC addresses) are used for local delivery within a network.

    ARP and Routing

    • The Address Resolution Protocol (ARP) in TCP/IP serves to map the IP address of a system to its corresponding MAC address.
    • Each router in a network with multiple connections typically has two pairs of addresses: a logical address (IP) and a physical address (MAC).

    Internet Addresses and Transport Protocols

    • Internet communications utilizing TCP/IP protocols employ IP addresses for logical addressing.
    • Stream Control Transmission Protocol (SCTP) distinguishes itself by supporting multi-streaming and multi-homing capabilities, offering reliable and ordered transmission of messages.

    Reliable Data Delivery

    • The Transport layer in the TCP/IP model is responsible for ensuring reliable data delivery through acknowledgments and retransmissions.

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    Description

    Test your understanding of IOT & M2M protocols, protocol functions, and the seven layers of the OSI model with this quiz. Explore the functions that form the basis of all protocols, the interaction between layers in the OSI model, and more.

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