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CCIE Security Written Exam (400-251) Exam Questions

Cisco

CCIE Security Written Exam (400-251)

97 / 530

Question 97:

When a Cisco IOS Router receives a TCP packet with a TTL value less than or equal to 1, what will it do? 

Answer options:

A. Route the packet normally
B. Drop the packet and reply with an ICMP Type 3, Code 1 (Destination Unreachable, Host Unreachable)
C. Drop the packet and reply with an ICMP Type 11, Code 0 (Time Exceeded, Hop Count Exceeded)
D. Drop the packet and reply with an ICMP Type 14, Code 0 (Timestamp Reply)