Interested to Buy Any Domain ? << Click Here >> for more details...
Why data link layer is divided into two layers?
- 2 Answers
- 14083 Views
- HCL, I also Faced
- E-Mail Answers
Answer Posted / 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 |
Post New Answer View All Answers
What is a minimum data size of an Ethernet frame ?
What are the advantages of cell switching that is used in ATM?
Draw the IP datagram header format. “IP datagram has a checksum field still it is called an unreliable protocol”. Justify?
What is the difference between IE 6 & 8?
Why is a data link layer switch preferred over a hub ?
Write down the basic features of HDLC protocol? Could HDLC be used as a data link protocol for a LAN? Justify your answer.
What is tdm?
which are the institutes in mumbai for CCNA training & how much is the cost of teaching and the exam fees?
Discuss the following terms with respect to ATM: VPI, UNI, asynchronous, AAL, Cell, PVC.
Explain various cabling techniques used in IEEE 802.3 standard.
Am planning to do a course on Remote Infrastructure Management.Is it a good field. And one more thing. Am planning to join Talent Sprint, Hyd. How good is this institute. Please help fast
Discuss how satellite network differs from traditional networks such as Ethernet, Tokenbus.
Define Consumer Satellite Products
when I issue the "show ip route bgp" command, I see my routes being learned via ospf and bgp. How can I verify on the nx-os which one will always be used and which one is a backup?
According to you which is the most important OSI layer?
