Podcast
Questions and Answers
Which OSI layer is primarily associated with switching?
Which OSI layer is primarily associated with switching?
- Network Layer (Layer 3)
- Data Link Layer (Layer 2) (correct)
- Physical Layer (Layer 1)
- Transport Layer (Layer 4)
What is the primary function of a network switch?
What is the primary function of a network switch?
- To connect multiple devices within the same network (correct)
- To assign IP addresses to devices
- To connect different network architectures or protocols
- To determine the best path for data across multiple networks
Which of the following is a characteristic of message switching?
Which of the following is a characteristic of message switching?
- Data is transferred in fixed-size packets.
- The entire data block/message is forwarded across the entire network. (correct)
- It is the most efficient switching method used in modern networks.
- A dedicated path is established before data transfer.
What is the main purpose of circuit switching?
What is the main purpose of circuit switching?
Which of the following accurately describes packet switching?
Which of the following accurately describes packet switching?
Which device operates by broadcasting data to all connected devices?
Which device operates by broadcasting data to all connected devices?
What is the primary function of routing in a network?
What is the primary function of routing in a network?
Which OSI layer is primarily associated with routing?
Which OSI layer is primarily associated with routing?
What is a key characteristic of static routing?
What is a key characteristic of static routing?
In default routing, where does the router send packets?
In default routing, where does the router send packets?
What is the main advantage of dynamic routing?
What is the main advantage of dynamic routing?
Which device connects different network architectures or protocols?
Which device connects different network architectures or protocols?
Which of the following devices can be used for routing?
Which of the following devices can be used for routing?
Which of the following uses IP addresses for data handling?
Which of the following uses IP addresses for data handling?
Which of the following is generally faster?
Which of the following is generally faster?
What is the scope of switching?
What is the scope of switching?
Given that switching is for communication within a network and routing is between networks, which is crucial for a device communicating with a server on the internet?
Given that switching is for communication within a network and routing is between networks, which is crucial for a device communicating with a server on the internet?
A network administrator needs to configure a small, isolated network with minimal administrative overhead. Which routing type is most suitable?
A network administrator needs to configure a small, isolated network with minimal administrative overhead. Which routing type is most suitable?
In a packet switching network, what happens to the packets if congestion occurs on a particular path?
In a packet switching network, what happens to the packets if congestion occurs on a particular path?
Which device is most likely to be used to connect a corporate network to the internet?
Which device is most likely to be used to connect a corporate network to the internet?
Flashcards
What is Switching?
What is Switching?
The process of transferring data packets from one device to another within a network using switches.
What is a Switch?
What is a Switch?
A hardware device that connects multiple devices in a network, enabling them to share the network without data interference.
Message Switching
Message Switching
An older, inefficient switching technique where the entire data block/message is forwarded across the entire network.
Circuit Switching
Circuit Switching
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Packet Switching
Packet Switching
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Switch
Switch
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Hub
Hub
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Bridge
Bridge
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What is Routing?
What is Routing?
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Static Routing
Static Routing
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Default Routing
Default Routing
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Dynamic Routing
Dynamic Routing
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Router
Router
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Gateway
Gateway
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Switching OSI Layer
Switching OSI Layer
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Routing OSI Layer
Routing OSI Layer
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Study Notes
- Switching transfers data packets between network devices using switches.
Function of a Switch
- A switch is a hardware device connecting devices in a network.
- It allows devices to share the network without data interference.
- Switches operate at Layer 2 (Data Link Layer) and Layer 3 (Network Layer) of the OSI Model.
- The Data Link Layer deals with MAC addresses.
- The Network Layer deals with IP addresses.
Types of Switching
- Message Switching is an older, inefficient technique where the entire data block is forwarded across the network.
- Circuit Switching establishes a dedicated connection between source and destination beforehand, using the entire bandwidth.
- Packet Switching breaks data into smaller components (packets).
- Packets are transferred to destinations based on available network resources; it is used in modern computers and the Internet.
Devices Used in Switching
- Switch: Connects multiple devices within a network.
- Hub: Broadcasts data to all connected devices.
- Bridge: Connects two or more network segments.
Routing Defined
- Routing directs data packets from one node to another.
- It is an autonomous process handled by network devices like routers.
Types of Routing
- Static Routing, or "non-adaptive routing", involves manual configuration by the network administrator.
- Default Routing sends all packets toward a single router (next hop).
- Dynamic Routing automatically adjusts routes based on the routing table and uses protocols to discover network destinations.
Devices Used in Routing
- Router: Connects multiple networks and determines the best data path.
- Layer 3 Switch: A switch with routing capabilities.
- Gateway: Connects different network architectures or protocols.
Key Differences: Switching vs. Routing
- OSI Layer: Switching operates at Layer 2 (Data Link); Routing operates at Layer 3 (Network).
- Data Handling: Switching uses MAC addresses; Routing uses IP addresses.
- Scope: Switching is within the same network; Routing is between different networks.
- Devices: Switching uses Switch, Hub, Bridge; Routing uses Router, Layer 3 Switch, Gateway.
- Speed: Switching is faster; Routing is comparatively slower due to path determination.
Summary
- Switching facilitates communication within a network.
- Routing enables communication between different networks.
- Both are essential for efficient data transmission.
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