Difference between layer 2 and layer 3 devices ?
- 8 Answers
- 41930 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 wrap is used for insulation on STP.
What are the 2 functions of the Data Link Mac layer? * Handles access to shared media * Manages protocol access to the physical network medium * Provides SAPs for higher level protocols * Allows multiple devices to uniquely identify one another on the data link layer
True/Flase: Relative domain name (RDN) ends with the dot.
Dear Friends, Pl. Want System Administration Interview Quesiton and Answer. Pl. Give me some URL or Post Responsibilities of System Administration
What platforms do you currently work on at your desk?
How maximum networks and hosts are in a class a, b and c network?
IP is built into the system's ?
When would you use a default route ?
List the functions of a network administrator?
1. Where is that value controlled? 2. What value does spawn return? 3. What is DNS? 4. How do you take a single line of input from the user in a shell script? 5. How do you create a swapfile? 6. what do you mean by server
Which of the following are Layer2 protocols ? a. ICMP b. SDLC c. LAPB d. SLIP e. SMTP
True or False: Twisted pair cabling comes in various versions and can support up to 96 ports and transmission speeds of 100 Mbps.
Networking Protocols 
