What is a wild card certificate ? can I use it for all my appliance in the network ?

2 Answers   HCL,

---

What is 3 DES 256 bit security in IPSec technology.

2 Answers   DEWA, Pact,

---

What is site-to-site vpn?

0 Answers  

---

Explain difference between broadcast domain and collision domain?

0 Answers  

---

what is active directory partication ?

2 Answers   Microsoft,

---

---

How do we use rsa for both authentication and secrecy?

0 Answers  

---

Describe the term intrusion detection in the context of IT- security?

4 Answers  

---

What is Secure Sockets Layer (SSL)?

3 Answers  

---

What is utm firewall?

0 Answers  

---

What is http flood?

0 Answers  

---

What is Firewall? I saw in one website Firewall is software and hardware and combination of software and hardware.It is used to protect user information or avoiding crackers.how it is?Whether it is hardware?If not then why the images are like that?(a wall ).Please help me by answering this question.Advance thanks.

4 Answers   Excel,

---

How the Router will pass messages or packets?How it communicate with the Switches?

1 Answers   Excel,

---