Why data link layer is divided into two layers?
- 2 Answers
- 13364 Views
- HCL, I also Faced
- E-Mail Answers
Answers were Sorted based on User's Feedback
Answer / sarwat
Data link layer iz divided mac layer and LLC layer.
This LLC LAYER is form for NOVELL AND IPX protocol.
For ip protocol we ve SRC ADDRESS and DEST ADDR(for
communication),but wen we uses IPX/NOVELL protocol the
frame include 1 more byte named "don know"(through which
communication happens @ 2nd layer)....(inshort to
communicate wid IP and IPX/NOVELL we form LLC layer.)
| Is This Answer Correct ? | 13 Yes | 7 No |
Answer / tapul k
Initially 802.3 doesn't support multiple upper layer protocol
e.g. IP,IPx,AppleTalk etc. But as need arise to support
multiple upper layer protocol, Ethernets L2(Data Link)
broken into Two Parts....<1> LLC <2> MAC
<1> LLC introduced a additional field in ethernet frame to
distinguished between multiple upper layer protocol
802.3 uses S_SAP and D_SAP to identify multiple upper layer
protocol.
| Is This Answer Correct ? | 6 Yes | 3 No |
How to take backup of Outlook Express explain all the steps in detail.
1 Answers CDS Technologies, HCL, Jubilant,
What is Mail Gateway
How does a token ring network work ? In what way is it different from Ethernet ?
Explain various cabling techniques used in IEEE 802.3 standard.
Explain Any Standalnoe Application with rispect to OSI model, letus Consider Voice Recognition....!! One Has To tell function of all layers with rispect to given Application.
What is multicast routing
Discuss the different factors affecting congestion control algorithms. ?
Convert the IP address 197.228.17.56 into binary ?
Which are the different network toplogies ?
What is the difference between forward lookup and reverse lookup in DNS?
Why the data input flectuation occurs when you are online?
What is your most recent experience with VERTAS backup software?
Networking Protocols 
