What is meant by port blocking within lan?

1049

---

What is difference between arp & rarp? How both of these protocols will work, and where it will use?

1089

---

What is nat?

1084

---

What is the importance of authentication?

1005

---

What is firewalls?

1021

---

What is the the advantage of address sharing?

1138

---

Explain how are ip addresses arranged and displayed?

1049

---

Explain the main purpose of ospf?

1100

---

Explain the role of ieee in computer networking?

1092

---

Define tunnel mode?

1075

---

Explain the function of the osi session layer?

1101

---

How proxy servers protect computer networks?

1127

---

Explain the major disadvantage of a star topology?

935

---

What is 10base-t?

1186

---

Explain the difference between straight-through and crossover cable?

1017

---