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Which of the following is considered a Layer 2 device?
Switches are generally considered layer 2 devices, but many are capable of operating at layers 3, 4 or higher. Most hubs are amplifying the electrical signal; therefore, they are really repeaters with several ports. Hubs and repeaters are Layer 1 (physical layer) devices.
What three network devices operate at the Data-link layer of the OSI?
The network layer or layer 3 is where you would expect to find routers or possibly layer 3 switches. The network layer is the point where different networks can converge. Routing tables held on layer 3 devices are the path out of the network. If you look at your ipconfig information with the /all switch you will see an address given for default gateway. This will point to the router that is aware of all other networks or sub networks you have access to. In the home this is usually the inside or private address of your DSL or cable modem. I understand some bridges operate at layer 3 as well. At layer 3 Ethernet frames are formed into packets in preparation for routing between networks or sub networks. Because the OSI layer is as implied open there are many examples of software and hardware that can operate at the network layer but router would be the best answer most of the time.
Which OSI layer addressing is required to route packets between two networks?
layer 3
What is an internetworking device?
A device that allows information to traverse different networks. Generally these are Layer 3 devices and a router is a perfect example of an internetworking device. A (basic) switch is NOT an internetworking device because information cannot be sent to a different network.
Is vsat layer 2 or layer 3 device?
VSAT is a layer 2 device.
What is the function of routing in the network OSI layer3?
The whole point of the network layer, and layer 3 devices, is to move packets between separate networks. Layer 2 devices on the other hand (switches), only move frames using only the data link layer between hosts in that same network. Without layer 3 devices (routers or gateways), there could be no communication between separate interconnected groups of computers.
Will layer 3 switches route packets between devices on different subnets?
Yes. Most switches (which operate at layer 2) will NOT route packets between different subnets. However special layer 3 switches DO have this capability.
Which of the following is considered a Layer 2 device?
Switches are generally considered layer 2 devices, but many are capable of operating at layers 3, 4 or higher. Most hubs are amplifying the electrical signal; therefore, they are really repeaters with several ports. Hubs and repeaters are Layer 1 (physical layer) devices.
What is diff between layer 3 switch and router?
both are the common inter networking devices(functionally) but the layer 3 switch has the functionality of both switch and router, layer 3 switch are most commonly used in frame relay networks, layer 3 switches are also capable of inter vlan routing
What distinguishes switches from repeating devices such as hubs?
layer 3 switches require ip address but hub do not require
What are the devices that work on physical layer?
1) Physical layer is the first layer. 2) The simplest ones operate at the physical layer are: Repeaters, conventional hubs and transceivers. 3)These devices have absolutely no knowledge of the contents of a message. They just take input bits and send them as output. Cheers, AceInfo Solutions.
Devices found in each OSI model?
1. Repeaters (Operate at the OSI Physical Layer).2. Bridges (Operate at the OSI Data Link Layer).3. Routers {and Brouters} (Operate at the OSI Network Layer).
What device would you get if you took the features at layer 4 transport protocols and applied them to a switch?
All of the decisions needed to route a packet to a destination can be done with a layer 3 device (a router), or a layer 2 device (a switch) if you are on the same segment. There is really no need (from a pure functionality perspective) to ever unwrap a packet to that level until it is at the destination device. However there are plenty of reasons to unwrap packets do just this if we are looking at it from a security, or QOS perspective. So devices that will do things at layer 4 are going to be things like firewalls, proxies, network monitoring tools, packet shaping devices, and the actual destination device itself.
What Official did Hitler say should make the Volk's decisions for them?
3
Which devices work in the presentation layer?
firewall, router,layer 3 switches and i approve that answer ! NO! In general the firewall is a layer 4 device, it traffics filter incoming and outgoing ports. It uses the function of TCP and UCP. However a Firewall can also be a layer 3 device as in internal firewall in a router. Also a switch is a layer 2 device unless your talking about a Router switch.
Because WAN connections require routers or other Layer 3 devices to connect locations their links are not capable of carrying what type of protocols?
Nonroutable.
What devices is most efficient at moving packet between similar network topologies?
A router is the most efficient device at moving packets between similar network topologies. Routers operate at the network layer (Layer 3) of the OSI model and are designed to determine the best path for packets to travel based on destination IP addresses. They use routing tables to make these decisions and can handle different types of network topologies, such as Ethernet, Wi-Fi, and fiber optic networks, making them versatile and efficient for packet forwarding.
