GIAC Certified Intrusion Analyst
Domain 1Objective 2
IP Headers GCIA Practice Questions (Page 7)
Part of the Network Fundamentals domain, which makes up ~35% of our current practice bank. GIAC (SANS) does not publish an official question count, but from its 240-minute exam (~95–160 total, ~33–56 in this domain), expect 7–11 from this objective — we provide 42 practice questions to prepare you well beyond it. (estimate)
42questions here
9free pages
11concepts
Questions 31–35
- 31
A network engineer is analyzing a packet capture and sees an IPv4 packet with an IHL of 5 and a total length of 60 bytes. The packet contains a TCP segment. The engineer notices that the TCP header length is 24 bytes. What is the size of the TCP payload?
Select an answer first - 32
A network administrator is troubleshooting a routing loop. The administrator captures a packet that has been looping for several seconds. In IPv4, the TTL field is used to limit the packet's lifetime. What is the initial value of the TTL field typically set to by the operating system?
Select an answer first - 33
Why does the IPv6 header not include a header checksum?
Select an answer first - 34
A network administrator is troubleshooting a routing loop in a mixed IPv4/IPv6 environment. A packet is looping between two routers. Which field will eventually cause the packet to be discarded?
Select an answer first - 35
A security analyst is investigating a possible spoofing attack. The analyst notices that an IPv4 packet has a header checksum that does not match the computed value. What is the most likely explanation?
Select an answer first
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