Assignment NO.1 CS601

[♥Farrukh♥Kamboh (B.ed)]

[Aamir Khan]

upload solution

[Syeda Alveena Gilani (BS- IT)]

hello bhai logo kisi ne bana li ha to solution upload kro yar

[Syeda Alveena Gilani (BS- IT)]

plz koi batay ga k ye assignment kaise bane gi? ic me krna kai ha?

[Syeda Alveena Gilani (BS- IT)]

ye jis ne b attacment attach ki ha ic me assignment to koi or ha 

[irfan iftikhar]

please help me to give answer of first assignment of cs601 thanks i am waiting members, thanks 

[♥Farrukh♥Kamboh (B.ed)]

yr koi tu help kro yr

[MCS 3rd]

ye attachment to CS301 ki ha

here is CS 601 Attachment

[MCS 3rd]

ye attachment to CS301 ki ha

here is CS 601 Attachment

[Anjum Nawaz]

Ye lain gi attachment cs601 ki.

Please jaldi se es ka solution b bta dain

[MCS 3rd]

Q ii: Which OSI layers deal with error control?

Ans: (i) Data Link Layer deals with error control. Data link layer adds reliability to physical layer by adding mechanisms to detect and retransmit lost or damaged frames. Also uses a mechanism to prevent duplication of frames. Also uses a mechanism to prevent duplication of frames.
Error Control bits are added to the form in the TRAILER.
(ii) Transport layer is also responsible for the Error Control. Error control is performed end-to-end. This layer makes sure that entire message reaches Rx Transport layer w/o error. Error can be a result of Lost, damaged or duplicated data and usually Re Tx is done.

[MCS 3rd]

Q iii: To ensure unauthorized use of data, it should be encrypted and decrypted during the transmission. Which OSI layer performs encryption and decryption?

Ans: Presentation Layer is concerned with Syntax and Semantics of info exchange between two systems. This Layer Encrypt, Encode and compress data and also perform Decryption, Decoding and Decompressing Data process.

[♥Farrukh♥Kamboh (B.ed)]

theak hai answer