Answer Posted / zgeorgem

1. bit stuffing
2. LRC
3. CRC
4. parity check

here 1 2 3 are either error detection or error correction
which can be potentially done by DataLink Layer

But bit stuffing (from wikipedia) seems to be done by the
physical layer so that the data arrives at the device
synchronized... (i am not sure of the working but i am sure
that it is a layer1 concept)

Explain the following ARQ techniques in detail 1. Stop and wait ARQ 2. Selective repeat ARQ

2467

---

Define Wireless Networks

1183

---

Which layer is used to route packets

1806

---

Explain Difference between congestion control and QoS(or Quality of service)

1753

---

Explain Attenuation?

1155

---

What was the reason for selecting a speed of 155.52 Mbps in the original ATM standard ?

1722

---

Difference Between DDR1, DDR2 and DDR3 memories.

3413

---

What is MAC address

1270

---

What is pool in networking?

1089

---

Write down the basic features of HDLC protocol? Could HDLC be used as a data link protocol for a LAN? Justify your answer.

3478

---

Explain Token ring

1587

---

I need to know the driver name associated with the DSN ? In java we can get it by using getDriverName()(implemented by 3rd party vendors.) method ? but i need the implemetation to get the driver name? so can u give me the code ? how to get the code ?

2660

---

What is virtual channel

1104

---

What is attenuation

1200

---

What Goals do you have in this career?

1530

---