GSEC GIAC Security Essentials Final Exam Study Guide 2023.

GSEC GIAC Security Essentials Final Exam Study Guide 2023. How many bits are in the NETWORK portion of the following address block: Address: 10.1.0.0 Subnet: 255.255.255.224 A. 27 B. 32 C. 24 D. 29 - ANSWER A. 27 What class is the address 170.19.82.45? A. Class C B. Class A C. Class B D. Class D - ANSWER C. Class B Which utility makes use of ICMP to function? A. traceroute B. whasup C. icmpstat D. netstat - ANSWER A. traceroute In the network 192.168.5.0/23, what would be the broadcast address? A. 192.168.4.0 B. 192.168.1.0 C. 192.168.5.255 D. 192.168.255.255 - ANSWER C. 192.168.5.255 In the address ab00:fc87:234a:0090:5120:ffab:bc8a:0098/23, what does the /23 indicate? A. The address of the router B. The number of bits in the network portion of the address C. The position in the address where the messages should be sent D. The host address - ANSWER B. The number of bits in the network portion of the address With the following IP header, what is the destination IP address: 45 00 03 3D 1E EB D E8 C0 A8 01 16 AD C2 4B 67 A. 192.168.1.38 B. 173.195.74.108 C. 103.75.194.137 D. 173.194.75.103 - ANSWER D. 173.194.75.103 If you see the IP address fe80::0050:8790:4554:2300/16, the :: indicates what? A. There are 0s between the ::. B. This is a delimiter between addresses. C. This indicates empty space. D. There are 1s between the ::. - ANSWER A. There are 0s between the ::. What can you say about the following packet capture? 14:18:25. .1000 : S 0:0(0) win 4096 14:18:26. .1000: S 0:0(0) ack 1 win 4096 14:18:26. .1000 : R 1:1(0) win 0 14:18:26. .999 : S 1:1(0) win 4096 14:18:26. .999: S 0:0(0) ack 2 win 4096 14:18:26. .999 : R 2:2(0) win 0 14:18:26. .999 : R 2:2(0) win 0 14:18:27. .998: S 0:0(0) ack 3 win 4096