What protocol is used by DNS name servers
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what is firewall and types of it?
Cannot ping host machine(windows xp) from virtual machine(linux)in VMware, but can ping to Vmnet1 from virtual machine(linux) and can also ping from host machine(XP) to virtual mach.(linux), both side firewalls are disabled, networking type=host only.
Explain what are all the technical steps involved when the data transmission from server via router?
What is next-generation firewall (ngfw)?
Explain how does traceroute work? Now how does traceroute make sure that the packet follows the same path that a previous (with ttl - 1) probe packet went in?
What is RIS?
What is ransomware?
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.
How long can a ddos attack last?
What is multicasting?
What are the data units at different layers of the TCP / IP protocol suite
What is a security policy?