These are questions about Ecommerce Question 42 Which of the following mechanism

Question

These are questions about Ecommerce
Question 42 Which of the following mechanisms is the most common way of regulating and filtering Internet traffic in and out of a company's computer network? Answers: a. Firewalls b. Proxy Servers c. Routers d. Gateways Question 43 Humans don't tend to remember IP addresses, but instead Answers: a. TCP names b. DNS names c. XPS names d. ARPA names Question 44 Theob part of the with one another in a reliable fashion. The part of the protocol assures that two computers can communicate assigns addresses of sending and receiving computers part formats packets and

Explanation / Answer

42)a) Firewall because firewall acts as a wall with set of predefined set of security rules which are checked over the new connection.

43)b)DNS names : DNS is stands for Domain Name System which maps the IP address to corresponding names, so we are need not to be remember the IP address but rather only the DNS.

45)b)Yes it is the proposal of one scientest who was working in Deffence Advanced Research Projects Agency (ARPA).

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