
GIAC Certified Intrusion Analyst
Domain 1Objective 2
IP Headers GCIA Practice Questions (Page 5)
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 21–25
- 21
A network analyst is investigating why a router is discarding IPv4 packets. The packets have the DF flag set and are larger than the MTU of the next-hop link. The router is configured to send ICMP fragmentation needed messages. Which field in the IPv4 header is most directly responsible for the packet being discarded?
Select an answer first - 22
What is the purpose of padding in an IPv4 header when options are present?
Select an answer first - 23
If the IHL field in an IPv4 header has a value of 6, what is the total length of the IPv4 header in bytes?
Select an answer first - 24
Which protocol number in the IPv4 Protocol field corresponds to ICMP?
Select an answer first - 25
An analyst is comparing IPv4 and IPv6 headers in a capture. Which statement correctly describes the source and destination address fields?
Select an answer first
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