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What is the difference of ARP tables and routing tables?
ARP tables and routing tables serve different purposes in network communication. An ARP (Address Resolution Protocol) table maps IP addresses to MAC addresses within a local network, enabling devices to identify each other's physical hardware addresses. In contrast, a routing table contains information on how to forward packets to different networks, detailing the paths to various IP address ranges and the next-hop routers. Essentially, ARP tables facilitate local address resolution, while routing tables guide packet forwarding across broader networks.
What happens to a packet that has 172.16.0.0 16 as the best match in the routing table that is shown?
The packet is discarded.
What is packet routing?
Packet routing is the process of selecting paths in a network along which to send network packets. Routers use routing tables and protocols to determine the best path for data packets to travel from the source to the destination across interconnected networks. This involves analyzing various factors such as network congestion, path reliability, and the shortest distance. Effective packet routing ensures efficient data transmission and minimizes latency and packet loss.
How router came to know that the traffic is meant for which local IP?
Routers use a process called packet forwarding to determine which local IP address a data packet is intended for. When a packet arrives at a router, it examines the destination IP address in the packet header and compares it to its routing table, which contains a list of local IP addresses and their corresponding ports. If the destination IP matches a local device's IP, the router forwards the packet to that specific device within the local network. Additionally, routers utilize protocols like ARP (Address Resolution Protocol) to map IP addresses to MAC addresses, ensuring proper delivery within the local network.
What is packet header?
A packet header is a section of data that precedes the actual payload in a network packet, containing crucial information for routing and delivering the packet across networks. It typically includes details such as source and destination IP addresses, protocol type, packet size, and sequence numbers. This information helps networking devices, like routers and switches, make informed decisions about how to handle and forward the packet. The structure and content of packet headers vary depending on the underlying communication protocol, such as TCP/IP or UDP.
When the destination network is not listed in the routing table of a cisco router what two possible actions the router might take?
The router discards the packet.The router forwards the packet out the interface indicated by the default route entry.
Which device should be used for routing a packet to a remote network?
router
How does a dynamic route get into a routing table?
Routing is the process that direct a packet to choose an optimal path from source to destination. Routing is of two types static routing and dynamic routing . Dynamic routing is not done manually and uses a number of protocols , it is automatic.
When forwarding a packet which route will the packet select?
First, routing is the process a router performs when making forwarding decisions for each packet arriving at the gateway interface. To forward a packet to a destination network, the router requires a route to that network. If a route to a destination network does not exist on the router, the packet will be forwarded to the default gateway. Now, the destination network can be a number of routers or hops away from the default gateway. If the router has an entry for the network in its routing table, it would only indicate the next-hop router to which the packet is to be forwarded to and not the exact route to the final router. To sum it up, the routing process uses a routing table to map the destination address to the next hop and then forwards the packet to the next-hop address.
Is it correct to say that dessolving a packet of juice powder in water makes a new stubcance fruitpunchso it must not be a physical change?
Dissolving a packet of juice powder in water is a physical change because it does not change the chemical composition of the substances involved. The resulting mixture may taste like fruit punch, but it is still a physical mixture of water and juice particles.
What type of convergence is a cell phone with an integrated navigation system is an example of?
there are three types of convergence namely, 1. device convergence - network switches supporting Ethernet packet, and internet packet (IP) routing and asynchronous transfer mode (ATM) 2. Application routing - integrated function 3. physical convergence - hardware therefor answer will be the application convergence for cell phone.
Which addresses or combination of address es does a layer 3 switch use to make forwarding dicisions?
A Layer 3 switch uses IP addresses to make forwarding decisions. It examines the destination IP address in the packet's header to determine the best path for forwarding. Additionally, it may utilize routing tables, which contain network prefixes and associated next-hop addresses, to efficiently route packets between different subnets. This enables Layer 3 switches to perform both switching and routing functions within a network.
