GIAC GCIA Questions Answers
GCIA – GIAC Certified Intrusion Analyst Practice Test- 508 Questions & Answers
- Update Date : October 19, 2026
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GIAC GCIA Sample Questions
Question # 1Which of the following distributes incorrect IP address to divert the traffic?
A. IP spoofing
B. Domain name server (DNS) poisoning
C. Reverse Address Resolution Protocol
D. Route table poisoning
Question # 2
Which of the following DoS attacks is a multi-tier attack?
A. Snork Attack
B. SYN flood
C. DDoS attack
D. Smurf attack
Question # 3
Which of the following attacks is also known as the bucket-brigade attack?
A. Rainbow attack
B. ARP spoofing attack
C. Man-in-the-middle attack
D. DoS attack
Question # 4
Which of the following protocols is used to translate IP addresses to Ethernet addresses?
A. Border Gateway Protocol (BGP)
B. Routing Information Protocol (RIP)
C. Address Resolution Protocol (ARP)
D. Internet Control Message Protocol (ICMP)
Question # 5
Which of the following ports can be used for IP spoofing?
A. Whois 43
B. POP 110
C. NNTP 119
D. Rlogin 513
Question # 6
Which of the following IP packet elements is responsible for authentication while using IPSec?
A. Internet Key Exchange (IKE)
B. Authentication Header (AH)
C. Layer 2 Tunneling Protocol (L2TP)
D. Encapsulating Security Payload (ESP)
Question # 7
Which of the following is computed from an arbitrary block of digital data for the purpose of detecting accidental errors?
A. Hash filter
B. Checksum
C. Hash buster
D. Firewall
Question # 8
Which of the following commands used in Linux to create bit-stream images?
A. ss
B. xcopy
C. dd
D. img
Question # 9
Which of the following image file formats uses a lossy data compression technique?
A. GIF
B. JPG
C. PNG
D. TIF
Question # 10
Which of the following groups provides tools and creates procedures for testing and validating computer forensic software?
A. Society of Forensic Tools and Testing (SFTT)
B. National Institute of Standards and Technology (NIST)
C. Association of Computer Forensic Standards (ACFS)
D. Forensic Tool and Standards Committee (FTSC)
Question # 11
In which of the following attacks does a hacker imitate a DNS server and obtain the entire DNS database?
A. DNS poisoning attack
B. Illicit zone transfer attack
C. Illicit poisoning attack
D. DNS transfer attack
Question # 12
Which of the following is a checksum algorithm?
A. Hash buster
B. Snort
C. Adler-32
D. Dsniff
Question # 13
Which of the following partitions contains the system files that are used to start the operating system?
A. Boot partition
B. System partition
C. Secondary partition
D. Primary partition
Question # 14
Which of the following is used for remote file access by UNIX/Linux systems?
A. Server Message Block (SMB)
B. Network File System (NFS)
C. Common Internet File System (CIFS)
D. NetWare Core Protocol (NCP)
Question # 15
Which of the following is used to hash the information in Netcat?
A. MD5
B. SHA-256
C. MD5deep
D. SHA-1