How do port filtering and access lists help provide network security?
- They alert network administrators to various type of denial of service attacks as they occur.
- They prevent viruses, worms, and Trojans from infecting host computers and servers.
- They prevent specified types of traffic from reaching specified network destinations.
- They enable encryption and authentication of confidential data communications.
Exam with this question: CCNA Discovery 2: DsmbISP Final Exam
Exam with this question: CCNA Discovery 4: DCompNtwk Final Exam
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