What is protocol data unit, Computer Networking

Assignment Help:

What is Protocol Data Unit?

The data unit in the LLC level is known as the protocol data unit (PDU). The PDU having of four fields a destination service access point (DSAP), a source service access points (SSAP), a control field and an information field. DSAP, SSAP are addresses used by the LLC to recognize the protocol stacks on the receiving and sending machines that are produce and using the data. The control field specifies whether the PDU frame is an information frame (I - frame) or a supervisory frame (S - frame) or a unnumbered frame (U - frame).  

 


Related Discussions:- What is protocol data unit

Explain the uses of firewall in computer, Explain the uses of Firewall in c...

Explain the uses of Firewall in computer For Intranet developers, restricting access of unauthorised users to the Web site has been the greatest challenge. In addition to preve

Define the network security, Q. Define the Network Security? The Intern...

Q. Define the Network Security? The Internet and Web technology presents enormous promise for e-commerce. Web now is used to handle important business assets that became the

Threats to information can include, Threats to information can include ...

Threats to information can include Deletion of a file or files. Corruption, caused either by hardware problems or by a bug in the software. Theft of company data

Describe the hardware complexity of benz network, Q. Describe the Hardware ...

Q. Describe the Hardware complexity of Benz Network? Hardware complexity of Benz Network:  Benz network employs lesser switches and it gives good connectivity. To come across h

Define decoder, Define Decoder? A device or program that translates enc...

Define Decoder? A device or program that translates encoded data into its original format (e.g. it decodes the data). The term is often used in reference to MPEG-2 video and so

Differentiate between adsl and dsl, ENTERPRISE NETWORKING 1. Explain th...

ENTERPRISE NETWORKING 1. Explain that what is a cable? Classify different types of cables. 2. Elaborate switch? Write down the functionalities of switch. 3. Describe rout

Name the protocol responsible for finding the mac address , a)  What does t...

a)  What does the "CD" mean in the CSMA/CD? How is it implemented in the Ethernet?   b)  Consider an Ethernet hub with 8 ports and an Ethernet switch with 8 ports. In both cases

What are the unix-based firewalls, What are the Unix-based firewalls T...

What are the Unix-based firewalls The Unix-based firewalls are considered most secured as compared to the Windows NT based ones. The firewalls bind the holes of the operating

Define ring topology, Q. Define Ring Topology?  Dedicated point-to-poi...

Q. Define Ring Topology?  Dedicated point-to-point arrangement to neighbours  Signal is conceded from device to device until it reaches destination  Every device functio

What is the full form of FDM and TDM, What is the full form of FDM and TDM ...

What is the full form of FDM and TDM It is both. Each of the 100 channels is possess its own frequency band (FDM), and on every channel two logical streams are intermixed by th

Write Your Message!

Captcha
Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd