Network security is the specialist area, which consists of the provisions and policies adopted by the Network Administrator to prevent and monitor unauthorized access, misuse, modification, or denial of the computer network and network-accessible resources. For which of the following reasons is network security needed? Each correct answer represents a complete solution. Choose all that apply.

• A.To protect information from loss and deliver it to its destination properly
• B.To protect information from unwanted editing, accidentally or intentionally by unauthorized users
• C.To protect private information on the Internet
• D.To prevent a user from sending a message to another user with the name of a third person

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Which of the following Event Correlation Approach checks and compares all the fields systematically and intentionally for positive and negative correlation with each other to determine the correlation across one or multiple fields?

• A.Automated Field Correlation
• B.Field-Based Approach
• C.Rule-Based Approach
• D.Graph-Based Approach

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Which of the following topologies is a type of physical network design where each computer in the network is connected to a central device through an unshielded twisted-pair (UTP) wire?

• A.Star topology
• B.Bus topology
• C.Ring topology
• D.Mesh topology

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Which of the following protocols is used to exchange encrypted EDI messages via email?

• A.MIME
• B.HTTPS
• C.S/MIME
• D.HTTP

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John wants to implement a packet filtering firewall in his organization's network. What TCP/IP layer does a packet filtering firewall work on?

• A.Application layer
• B.Network Interface layer
• C.TCP layer
• D.IP layer

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