Answer / parveen

Iam very sure that transport layer and data link layer are the two layers of OSI performing perform error and flow control functions.

The main function of transport layer is encapsulating the data blocks into data units and transporting the data to network infra structure and managing the reverse actions.


The Data Link Layer provides the functional and procedural means to transfer data between network entities .and might provide the means to detect and possibly correct errors that may occur in the Physical Layer. Examples of data link protocols are Ethernet

i want exam information bhel, nal, hal, bel you have any idea or any question papers or placement papers please send soon

0 Answers   Bhel,

---

3.Which type of fading cause serious distortion of modulated signal a)selective fading b)interference fading c)absorption fading d)polarization fading

7 Answers   Cisco, Ericsson, HCL,

---

i need electronics related questions

0 Answers  

---

Explain what are the basic logic elements?

0 Answers  

---

Explain how to measure the insulation resistance for printed circuit boards?

0 Answers  

---

What is PLC ? How it is useful in automations ?

2 Answers   PTCL,

---

what is operating point?

2 Answers   Essar,

---

Discuss any three advantages that digital systems have over analog

4 Answers  

---

In pic16f877a the adc output is 10bit but the microcontroller ability is only handle the 8 bit.how the 10 bit is changed into 8 bit

1 Answers   HCL,

---

i mosfet is comination of what and what component

4 Answers  

---

Differentiate between avalanche and zener breakdown.

0 Answers  

---

What is CMRR? Explain briefly.

5 Answers  

---