Junior Network Security

Test your Junior-level Networking Fundamentals Network Security skills in Computer Science Fundamentals. This timed assessment evaluates your expertise in Information Technology.

Duration: 5 minutes

•40 questions

Time Remaining: 05:00

Progress: 0%

40 questions remaining

Question 1 of 40Assessment

At which layer of the OSI model does a standard packet-filtering firewall primarily operate?

A. Network Layer (Layer 3) of the OSI model

B. Data Link Layer (Layer 2) of the OSI model

C. Session Layer (Layer 5) of the OSI model

D. Presentation Layer (Layer 6) of the OSI model

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