Kerala State PSC Exam Model Paper 5

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Question : 32 of 100

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A layer-4 firewall ( a device that can look at all protocol headers up to the transport layer) CANNOT

block HTTP traffic during 9:00PM and 5:00AM
block all ICMP traffic
block TCP traffic from a specific user on a specific IP address on multi-user system during 9:00PM and 5:00AM
stop incoming traffic from a specific IP address but allow outgoing traffic to same IP

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