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Data link layer Ethernet addresses, also known as MAC (Media Access Control) addresses, are typically written in hexadecimal format, consisting of six pairs of two-digit numbers separated by colons or hyphens. For example, an Ethernet address might be represented as "00:1A:2B:3C:4D:5E" or "00-1A-2B-3C-4D-5E". Each pair corresponds to a byte (8 bits) of the address, with the entire MAC address being 48 bits long.
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What are three characteristics of valid Ethernet Layer 2 addresses?
- They are 48 binary bits in length. - They are generally represented in hexadecimal format - They are considered physical addresses
Which identifiers is contained in the header of the layer 2 ethernet frame?
physical source and destination addressesphysical source and destination addresses
Which identifier is contained the header of the layer 2 Ethernet frame?
physical source and destination addressesphysical source and destination addresses
What if there are no mac addresses and all adapters use ip addresses?
Ethernet devices are identified by their MAC address, not an IP address. If their were no MAC address incorporated into the device then it is not following the rules define for the ethernet protocol. It would not be an ethernet network adapter or it would be a defective ethernet network adapter. As the LANs are designed for arbitrary network layer protocols, not just IP, so if the adapters are assigned with IP addresses rather than MAC addresses, than it will be difficult for adapters to support other network layers. Even if the adapters use entire network layer addressing schemes, they will need to be reconfigured every time they are powered up. So it is imperative to use neutral MAC address independent of network layer addressing schemes in order to ensure better performance of network.
Where does Ethernet protocol align in the osi model?
Ethernet is a data link layer protocol - layer 2
What protocol maps layer 2 to layer 3 addresses on the TCP IP network?
RARP (Reverse Address Resolution Protocol) maps layer 2 addresses to layer 3 addresses. ARP (Address Resolution Protocol) maps layer 3 addresses to layer 2 addresses.
How many bits are there in a data link layer Ethernet address?
How many bits are there in a data link layer ethernet address?
Why does Ethernet cannot provide www service?
WWW service is work onApplication layer & Ethernet is datalink layer protocol.
Routers operate at layer LAN switches operate at layer Ethernet hubs operate at layer?
Routers operate at layer 3. LAN switches operate at layer 2. Ethernet hubs operate at layer 1.
Which OSI layer addresses data messages translates logical addresses into actual physical addresses and routes data to addresses on the networks?
Network layer
What type of delivery uses data link layer addresses?
The layer 2 devices use the data link layer addresses.
What is an Ethernet switch and where does it fit into the OSI model?
Ethernet switch fits on osi physical layer
