Answer Posted / christober

asymmetric or symmetric

Differentiate between stop-and wait ARQ and Go-back-N protocol.

4368

---

A binary signal is sent over a 3-khz channel whose signal-to-noise ratio is 20 db.Calculate the maximum achievable data rate ?

2956

---

Explain various cabling techniques used in IEEE 802.3 standard.

2254

---

What are the various classes of IP addressing? Calculate the maximum number of class A, B and C network Ids.

1803

---

Why is IP called ‘best-effort delivery’ protocol?

3155

---

Explain Token ring

1639

---

Explain any three error detection and correction techniques.

1915

---

In which of the 7 layers of OSI will a service handling conversion of characters is from EBCDIC to ASCII be normally implemented ?

1691

---

What is the function of data link layer?

1270

---

What is attenuation

1272

---

what are the two sub layers of data link layer called ?

2179

---

1).what is forest? 2).what is dns and dhcp port no's? 3).what is file system? 4).what is terminal server?

2322

---

Differentiate between SMTP and SNMP

3954

---

We can use Office Communication server instead of any dialer?

3004

---

Can you name all the physical layers in networking?

1215

---