GIAC Security Essentials
Domain 2Objective 3
Networking & Protocols GSEC Practice Questions (Page 4)
Part of the Network Security domain, which makes up ~17% of our current practice bank. GIAC (SANS) does not publish an official question count, but from its 240-minute exam (~95–160 total, ~16–27 in this domain), expect 4–7 from this objective — we provide 64 practice questions to prepare you well beyond it. (estimate)
64questions here
13free pages
18concepts
Questions 16–20
- 16
A network engineer is configuring a router to connect two office networks. The engineer wants to ensure that if the primary link fails, traffic automatically uses a backup link. The routing protocol must be able to detect the failure and update the routing table without manual intervention. Which approach should the engineer implement?
Select an answer first - 17
A security analyst is investigating a network anomaly. The firewall log shows a large number of outbound UDP packets from an internal host to a remote server on port 53. The packets are all the same size and are sent at a constant rate. The analyst suspects the host is part of a DNS amplification attack. Which additional observation would most strongly confirm this suspicion?
Select an answer first - 18
A network engineer is explaining to a junior admin how a web request travels from a user's browser to a server. The engineer mentions that the browser sends an HTTP request, which is then processed by the operating system's network stack. At which layer of the TCP/IP model does the browser's HTTP request originate?
Select an answer first - 19
Which port number is the default for HTTPS traffic?
Select an answer first - 20
A network technician is troubleshooting connectivity between two computers on the same Ethernet switch. Computer A can ping Computer B's IP address, but Computer B cannot ping Computer A's IP address. Both computers have valid IP configurations. Which layer of the OSI model should the technician investigate first?
Select an answer first
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