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A virtual network is a software-based network that enables the creation and management of network resources without the need for physical hardware. It allows for flexible, scalable, and efficient network configurations, often used in cloud computing and virtualization environments to optimize resource allocation and network performance.
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Subnetting is a technique used in IP networking to divide a larger network into smaller, more manageable subnetworks, enhancing both performance and security. It optimizes the use of IP addresses and reduces network congestion by localizing traffic within subnets.
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Cybersecurity in smart grids is crucial for protecting the integrity, confidentiality, and availability of energy infrastructure against cyber threats. As smart grids integrate advanced communication technologies and IoT devices, they become more vulnerable to attacks, necessitating robust security measures and protocols to ensure reliable energy distribution and management.
Cybersecurity in nuclear facilities is crucial to protect sensitive information and prevent malicious attacks that could lead to catastrophic consequences, including potential nuclear accidents. It involves implementing robust security measures and constantly updating protocols to address evolving cyber threats and vulnerabilities specific to the nuclear sector.
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A DHCP Relay Agent is a network device or software that forwards DHCP requests and replies between clients and servers when they are not on the same local network. This allows DHCP clients to obtain IP addresses from a DHCP server on a different subnet, facilitating centralized IP address management across multiple subnets.
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Link-local addressing is a method of assigning IP addresses to devices within a single network segment, allowing them to communicate without the need for a centralized DHCP server. These addresses are automatically configured and are only valid for communication within the local network, making them useful for small networks or when DHCP is unavailable.
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DHCP Relay Configuration allows a network device to forward DHCP requests from clients to a DHCP server on a different subnet, enabling centralized IP address management across multiple network segments. This is essential for efficient network administration in environments where clients and DHCP servers are not on the same local network.
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Software isolation is a security strategy that involves separating software components to prevent vulnerabilities in one part from affecting others. This approach enhances system stability and security by containing potential threats and minimizing the attack surface.
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A subnet, or subnetwork, is a logically visible subdivision of an IP network, designed to improve network performance and security by segmenting traffic and reducing congestion. It allows for more efficient use of IP addresses and helps manage network traffic by isolating network segments, which can also enhance security by limiting access to specific parts of the network.
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IPv6 subnetting is the process of dividing an IPv6 network into smaller, manageable segments, allowing for efficient address allocation and improved network organization. It utilizes a 128-bit address space, enabling a vast number of unique IP addresses and facilitating hierarchical network design.
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Subnet prefix length, often expressed in CIDR notation, indicates the number of bits in an IP address used for the network portion, defining the size of the subnet. A shorter prefix length means a larger network with more host addresses, while a longer prefix length results in a smaller network with fewer host addresses.
Cybersecurity in smart buildings is crucial as these structures integrate IoT devices and advanced automation systems, making them susceptible to cyber threats that can compromise safety, privacy, and operational efficiency. Implementing robust security measures, including network segmentation, encryption, and continuous monitoring, is essential to protect against unauthorized access and data breaches.
VLAN (Virtual Local Area Network) is a network configuration that allows multiple distinct broadcast domains to coexist on a single physical network infrastructure, providing improved security, scalability, and management. By segmenting networks logically rather than physically, VLANs enhance network efficiency and reduce administrative overhead.
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VLAN tagging is a technique used in networking to identify and segregate traffic on a shared network infrastructure, allowing multiple virtual LANs (VLANs) to coexist on the same physical network. It enhances network efficiency and security by ensuring that data packets are delivered only to their intended VLAN, preventing unauthorized access and reducing broadcast traffic.
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A VLAN ID is a unique identifier used to distinguish between different Virtual Local Area Networks within the same physical network infrastructure. It allows for segmentation of network traffic, improving security and efficiency by isolating broadcast domains.
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A Virtual Local Area Network (VLAN) is a network configuration that allows devices on different physical LANs to communicate as if they were on the same network, enhancing security and reducing broadcast traffic. VLANs are implemented using network switches and can segment network traffic, improving performance and management of large networks.
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Switch port modes determine how a switch port handles traffic, defining whether it operates in access mode for a single VLAN or trunk mode for multiple VLANs. Proper configuration of Switch port modes is crucial for network segmentation, security, and efficient traffic management in a VLAN-based network environment.
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Trunk mode is a configuration on network switches that allows multiple VLANs to traverse a single network link, facilitating inter-VLAN routing and efficient use of bandwidth. It is essential for network segmentation and scalability in complex network architectures, enabling seamless communication between different VLANs across network devices.
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Inter-VLAN routing is the process of forwarding network traffic from one VLAN to another using a router or a Layer 3 switch, enabling communication between devices on different VLANs. This is essential for network segmentation and security, allowing for efficient traffic management and isolation of broadcast domains.
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A Layer 3 switch combines the functionality of a traditional switch and a router, allowing for both high-speed data switching and routing capabilities within a network. It operates at the network layer (Layer 3) of the OSI model, enabling it to perform IP routing and manage traffic between different network segments efficiently.
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Subnets are segments of a larger network that improve performance and enhance security by dividing traffic and isolating network problems. They allow efficient IP address management and facilitate better control over network traffic by using subnet masks to define the network and host portions of an IP address.
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A collision domain is a network segment where data packets can collide with one another when being sent on a shared medium, affecting network performance. It is primarily relevant in Ethernet networks using hubs or repeaters, but can be reduced or eliminated using switches or routers which segment the network into smaller collision domains.
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A VLAN (Virtual LAN) allows network administrators to partition a physical network into multiple distinct broadcast domains, enhancing security and reducing congestion by logically segmenting traffic. This is achieved without altering the physical topology, enabling better management of resources and improved network efficiency.
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System zoning is the process of dividing a larger system into smaller, manageable sections or zones to optimize performance, security, and efficiency. This approach allows for targeted control, monitoring, and maintenance, reducing the risk of system-wide failures and enhancing resource allocation.
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VLAN Configuration is the process of creating and managing Virtual Local Area Networks on a network switch to segment network traffic and improve security and performance. It involves assigning switch ports to specific VLANs and configuring inter-VLAN routing to enable communication between different VLANs when necessary.
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Switch port configuration is the process of setting up and managing the behavior of individual ports on a network switch to ensure optimal network performance and security. This involves assigning VLANs, setting port speeds, enabling or disabling ports, and configuring security features such as port security and access control lists.
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BGP Community is a powerful attribute used in BGP routing that allows network operators to tag routes with metadata for easier management and policy implementation. It facilitates route filtering, traffic engineering, and network segmentation by enabling routers to make decisions based on these tags rather than solely on IP addresses or prefixes.
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Isolation techniques are critical procedures used in various fields such as microbiology, healthcare, and computer science to separate specific elements from a larger group to prevent contamination or interference. These techniques ensure the purity and integrity of the isolated element, facilitating accurate analysis, treatment, or processing.
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Network partitioning involves dividing a network into smaller, manageable segments to enhance performance, security, and fault tolerance. This method is crucial for maintaining efficiency and reliability in complex systems, especially when dealing with large-scale data or distributed networks.
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Access ports are crucial components in network switches that connect end devices to the network, typically configured to carry traffic for a single VLAN. They are essential for maintaining network segmentation and security by ensuring that data from different VLANs does not mix on the same physical port.
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