NETWORK SECURITY
FIREWALLS
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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Downloading a file
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Downloading email
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Downloading a web page
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Performing a name resolution request
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Detailed explanation-1: -Expert Answer. The ideal way to give access to confidential resources over the internet is by using a virtual private network because encrypting all data ensures a safe connection between the client and server.
Detailed explanation-2: -A firewall is a network security device that prevents unauthorized access to a network. It inspects incoming and outgoing traffic using a set of security rules to identify and block threats. A firewall can be physical hardware, digital software, software as a service (SaaS) or a virtual private cloud.
Detailed explanation-3: -TFTP (explanation: The trivial file transfer protocol (TFTP) uses TCP/IP port 69. TFTP is a connectionless service for downloading files from a remote system.
Detailed explanation-4: -Packet filtering firewalls allow or deny network packets based on the following criteria: The source IP address is where the packet is being sent from. The packet’s address is the destination IP address.