题目
多项选择题
Select all characteristics from below that best describe the Packet Filtering that an access control list (ACL) used to control network traffic:
选项
A.Packets with viruses can be filtered.
B.Layer 4 protocol can be used to filter packets
C.Packets are being passed or dropped based on certain rules
D.Destination MAC addresses can be used to filter packet
E.Only incoming packets are analyzed
F.Source IP address can be used to filter packets
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标准答案
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思路分析
To determine which statements accurately describe the packet filtering performed by an access control list (ACL), we need to consider what ACLs typically assess and how they act on network traffic.
Option 1: 'Packets with viruses can be filtered.' This is generally incorrect for standard ACLs. Traditional packet filtering ACLs inspect header fields (like IP addresses, ports, and protocols) and do not analyze payloads for malware signatures. Therefore, they do not detect or filter based ......Login to view full explanation登录即可查看完整答案
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