Difference between layer 2 and layer 3 devices ?
- 8 Answers
- 41983 Views
- cDot, HCL, I also Faced
- E-Mail Answers
Answers were Sorted based on User's Feedback
Answer / sonu
L-2 devices worked on mac address & L-3 devices worked on ip
address.
L-2 device more fast than the L-3 device.
| Is This Answer Correct ? | 116 Yes | 20 No |
Answer / ramesh kumar
L2 devices( switches) work on mac add & LLC that prepares
frames for bit formation
and
L3 devices work on ip add that is routers.......which
perform routing decisions and logical addressing
| Is This Answer Correct ? | 74 Yes | 7 No |
Answer / shesha kharvi
L2 devices( switches) work on mac add & LLC that prepares
frames for bit formation and switch understand only mac
address.
and
L3 devices work on ip add that is (routers).......which
perform routing decisions and logical addressing. router
understand only ip address.
| Is This Answer Correct ? | 31 Yes | 6 No |
Answer / abhishek j sharma
l2 IS DATA LINK LAYER (SWITCHES)AND ONLY LEARNS THE MAC
ADDRESS (WHICH IS OF 48 BIT)
L3 IS NETWORK LAYER (ROUTERS) WORKS ON IP ADD (32 BIT) AND
ROUTES DATA USING BEST POSSIBLE PATH
| Is This Answer Correct ? | 24 Yes | 3 No |
Answer / sneha
L2 devices (Switches , bridges) uses MAC address whereas L3
device (Router) uses IP address .
L2 devices sends data in the form of frames whereas L3
devices sends data in the form of packets.
L2 devices can't connect different networks like routers.
| Is This Answer Correct ? | 21 Yes | 5 No |
layer 2 devices is works on the physical address which mac
address and it is individual for every nic.physical address
is mac address which is 48 bit address.and it works faster
than layer 3 devices.
layer 3 devices is works on the logical address which is IP
address of NIC and it is 32 address.
| Is This Answer Correct ? | 19 Yes | 7 No |
Answer / guest
Layer-2 device(data link layer) is works on physical address mac (media acces control)it is tranfer the data physically address to phycally address which is 48 bit address.
layer-3(network layer) it is work on router and it is responsible search best route of path to transfer the data.
| Is This Answer Correct ? | 17 Yes | 6 No |
Which of the following statements are correct ? a. TCP is connection oriented and UDP is connectionless b. UDP is connection oriented and TCP is connectionless c. Both TCP and UDP are connection-oriented d. Both TCP and UDP are connectionless
What is mean by MAC ?
Internet layer is the same as which layer in OSI ?
Which host decodes any address and reroutes the mail within the domain.
What is the last major networking problem you troubleshot and solved on your own in the last year?
2 examples of a packet-switched network. a. public telephone network b. ethernet network c. token-ring network d. ATM network
Fragmentation =? a. data --> packets b. packets ---> bits c. datagram ----> multiple frames d. frame ---> bits
what is spyware,firmware?
T/F: TCP/IP has a formal session layer ?
Which command will packets between server1 and server2 from logfile /home/adm/packets?
In PPP, a protocol frame is used for selecting and configuring the network layer protocol ?
What does ICMP stand for ?
Networking Protocols 
