What are the two reasons for using layered protocols?

0 Answers  

---

If we have a firewall in our network then how to connect a VPN server through internet and therefore which port to open in the firewal?

2 Answers  

---

what is frame realy

4 Answers  

---

I have 2 networks. One is LAN & other is Tata Indicom Modem which is connected to USB. The problem is that When USB Modem is using, i am unable to use LAN. And when we use LAN, we cannot use USB Modem. kindly help me.

2 Answers   Reliance, TATA,

---

What are Network Components and explain their uses?

8 Answers   CTS,

---

Why networks are layered ?

4 Answers   Honeywell,

---

What are class A, B,C,...

12 Answers   Bank Of America, Banyan Soft,

---

What is datagram, datagram packets and datagram sockets?

1 Answers   HP, Network,

---

What are the advantages and disadvantages of modem

16 Answers   Cisco, Jain Group,

---

what is computer.

4 Answers   4soft solutions, Samsung,

---

How would you find what ports are open on a machine (local and remote)?

3 Answers  

---

How would you capture network traffic?

2 Answers  

---