Network Topologies and Layers

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Questions and Answers

Which layer of the OSI model ensures reliable data transmission?

  • Session Layer
  • Transport Layer (correct)
  • Network Layer
  • Data Link Layer

What is the primary function of the Presentation Layer in the OSI model?

  • To handle the creation of frames.
  • To ensure active communication between end users.
  • To ensure the data format is used properly. (correct)
  • To define the physical medium of the network.

Which of the following best describes the purpose of Mesh topology?

  • To ensure there is only one data path.
  • To use virtualization for network setup.
  • To ensure there are multiple data paths. (correct)
  • To have a reverse data flow.

What is the significance of the Application Layer?

<p>It ensures software compatibility. (C)</p> Signup and view all the answers

What is the main purpose of ring topology?

<p>To facilitate data flow reversal. (C)</p> Signup and view all the answers

The OSI model is often described as a conceptual framework for network communication. What does it standardize?

<p>Network protocols and interactions (B)</p> Signup and view all the answers

What is the primary difference between CAT5 and CAT6 cable systems?

<p>CAT6 has a higher bandwidth than CAT5. (C)</p> Signup and view all the answers

Which of the following statements accurately describes the nature of a hybrid topology?

<p>It is only called hybrid if it combines different topologies without falling under the same goal. (D)</p> Signup and view all the answers

What is the role of the Network Layer in data transmission?

<p>Provides packets for the data. (B)</p> Signup and view all the answers

Why was the original network design found to have loopholes or errors?

<p>Due to issues discovered during topology upgrades and design. (B)</p> Signup and view all the answers

Flashcards

Star topology nickname

The end of vein connection.

Purpose of tree topology

To distribute or spread the network connection.

Mesh topology feature

A type of connection ensuring more than 2 data paths.

Data Link Layer function

Handles the creation of frames.

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Purpose of OSI model

Standard or Universal Network Language.

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Number of layers in OSI model

7 Layers.

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Transport Layer responsibility

Responsible for reliability.

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Application Layer

Represents software and is the first layer of the OSI model.

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Ring topology goal

Ensures reverse data flow.

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Physical Layer represents

The physical medium of the network.

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Study Notes

  • Star topology is also called "the end of vein connection."
  • WLAN is also known as "the end of vein network."
  • Tree topology is used to distribute or spread network connections.
  • Personal Advance Network ensures a maximum network distance of 10 meters.
  • Mesh topology ensures more than two data paths.
  • NAS and SAN store data simply and are used by small businesses.
  • SAN stores data in other parts of satellite companies.
  • VPN uses virtualization for network setup.
  • MESH topology is used by Internet Servers.
  • The transport layer is considered the heart of OSI.
  • The admin section of the Data link frame holds the PC name and specifications.
  • The application layer ensures software/apps are compatible.
  • The physical layer represents the physical medium of the network.
  • The network layer provides packets for data.
  • The session layer ensures active communication between end-users.
  • Double ring topology enhances loops and reverses flow.
  • The presentation layer ensures proper data format.
  • The Data Link layer in OSI handles frame creation.
  • The OSI model is used for standard or universal network language.
  • Cat 8 cables can handle 500MHz transmission.
  • Cat 6a copper cable is designed for horizontal infrastructure.
  • The OSI layer has 7 layers.
  • TIA 6B color coding standard uses WG,G,WO,B,WB,O,WB,B.
  • CAT 7 cables are not recognized by TIA, and it was used to create CAT 8 cables.
  • Cat 6a cable systems are more efficient in frequency.
  • The 5th layer in the OSI layer doesn't consist of the session layer.
  • RJ45 connectors are used by CAT cables, especially 5, 6, and 7.
  • The transport layer is responsible for reliability.
  • The application layer represents the software and is the first layer of the OSI model.
  • Network topology upgrades and designs address initial design loop holes or errors.
  • Coaxial cable was abolished due to its expense and bulkiness.
  • Cat 5 and Cat 6 cables have the same speed but different bandwidth.
  • Bandwidth is for capacity, and frequency is for speed, based on the category cable.
  • Comparing the OSI layer with the OSI model, there's no difference (false statement).
  • In network heritage, DARPA means Defense Advanced Research Project Agency.
  • Networks were first used as military network systems in network heritage.
  • ARPA means Advance Research Project Agency.
  • The UNIX system wasn't the first commercially developed network operating system.
  • ISO was established in 1947.
  • The OSI layer was introduced in 1978.
  • OSI was established by ISO in 1984.
  • Networks were developed by DARPA as a nuclear lunch system design.
  • ENIAC was the first military-grade operating system.
  • Bus topology has one data path.
  • Ring topology ensures data has a reverse flow.
  • Hybrid topology requires specific parameter met to qualify as the different topology type, but typically doesn't fall under the same goals.
  • Mesh topology wasn't created to satisfy upgrade needs but to increase the number of data flow paths.

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