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Because is upside down. Reverse entire operation and attach trailer at correct location, which is not link layer.
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What layer of OSI model is switches on?
Switches are on the second layer of the OSI model (Data Link); they do filtering based on host MAC addresses. You may also see a third layer switch; they not only provide all switching capabilities but some layer three routing capabilities too.
What layer do hubs operate at in the OSI model?
Its at Layer 1 of the Open Systems Interconnection Model (OSI model) Layer 7 Application Layer 6 Presentation Layer 5 Session Layer 4 Transport Layer 3 Network Layer 2 Data Link Layer 1 Physical
Which two statements describe Spanning Tree Protocol?
It is only used at Layer 2. It eliminates Layer 2 loops in network topologies.
Which layers of the earth are liquid?
The outer core is the only Earth layer that is liquid.
Difference between transport and network layer?
+network layer logical communication between hosts +transport layer: logical communication between processes ex: we have 2 house and one house have 12 room. kids in the houses send letter together. network layer: only send letter between the houses transport layer: it make sure that the letter be sent to right the room in the house.
What is the use of adding header and trailer to the frames?
Trailer is added at only data link layer because data link layer provides error and flow control.Header Contains address of device where frames will be send
Can hub work on data link layer?
No. Hub works only on first layer. On second layer only swithc/bridge works on second layer of OSI model.
What does A R P mean?
ARP stands for Address resolution Protocol.......it is the method for finding a host's link layer (hardware) address when only its Internet Layer (IP) or some other Network Layer address is knowns the method for finding a host's link layer (hardware) address when only its Internet Layer (IP) or some other Network Layer address is known. Source: http://en.wikipedia.org/wiki/Address_Resolution_Protocol
What does r a mean?
ARP stands for Address resolution Protocol.......it is the method for finding a host's link layer (hardware) address when only its internet Layer (IP) or some other Network Layer address is knowns the method for finding a host's link layer (hardware) address when only its Internet Layer (IP) or some other Network Layer address is known. Source: http://en.wikipedia.org/wiki/Address_Resolution_Protocol
How can I submit a question with a picture?
The only way I can think of is to attach the picture through its URL link under "Add related Links," and to point out that there is a link. For example, for the Question "What geographical feature is this?" - you would attach its photo as a related link via the photo's URL, and you would submit the Question as "What geographical feature is this - see photo in attached link?"
What layer of OSI model is switches on?
Switches are on the second layer of the OSI model (Data Link); they do filtering based on host MAC addresses. You may also see a third layer switch; they not only provide all switching capabilities but some layer three routing capabilities too.
Parts for a cub cadet src621?
Hi, Generally only a dealer has access to the parts lookup on that brand. I will attach a link for parts
What is difference between Transport layer and data link layer?
The data link layer handles communication between systems on the same local network. The network layer handles communication between systems on different local networks and allows those packets to be routed between the two. The data link layer would allow two machine on network a to talk to each other or two machines on network b to talk to each other. This communication takes place using the physical/MAC addresses of the machines. The network layer is what allows a machine on network a to talk to a machine on network b using logical address like IP addresses.
Can trailer wheels be used on cars?
No. Trailer tires and wheels are designed for trailers only. The tires should say right on them "For Trailer Use Only".
Do muscles attach to other muscles?
Muscles do not attach to other muscles. They only attach to bone.
Why does a virus only attach to only one cell?
because it doesent have enoufgh viruss to attach to more
What layer of the OSI model does a switch operate at?
Switches are commonly known as "Layer 2 (Data Link Layer)".3550 Switches: These switches are working under Layer 2 (Data Link Layer) and it is forward the packets through MAC Address, but if we convert these type of switches into Routers it will function in Layer 3 (Network Layer) of OSI model as it's forward the packets based on the IP addresses.2950 Switches: These switches are working under Layer 2 (Data Link Layer) of OSI model only and it is forward the packets through MAC Address.
