Question 201
You want to scan your network quickly to detect live hosts by using ICMP ECHO Requests. What type of scanning will you perform to accomplish the task?
Question 202
Mark works as a Network Administrator for NetTech Inc. The network has 150 Windows 2000 Professional client computers and four Windows 2000 servers. All the client computers are able to connect to the Internet. Mark is concerned about malware infecting the client computers through the Internet. What will Mark do to protect the client computers from malware?
Each correct answer represents a complete solution. Choose two.
Question 203
Jason, a Malicious Hacker, is a student of Baker university. He wants to perform remote hacking on the server of
DataSoft Inc. to hone his hacking skills. The company has a Windows-based network. Jason successfully enters the
target system remotely by using the advantage of vulnerability. He places a Trojan to maintain future access and then
disconnects the remote session. The employees of the company complain to Mark, who works as a Professional
Ethical Hacker for DataSoft Inc., that some computers are very slow. Mark diagnoses the network and finds that some
irrelevant log files and signs of Trojans are present on the computers. He suspects that a malicious hacker has
accessed the network. Mark takes the help from Forensic Investigators and catches Jason.
Which of the following mistakes made by Jason helped the Forensic Investigators catch him?
Question 204
Which of the following is an Internet mapping technique that relies on various BGP collectors that collect information such as routing updates and tables and provide this information publicly?
Question 205
Adam works as a Security administrator for Umbrella Inc. He runs the following traceroute and notices that hops 19 and 20 both show the same IP address.
1 172.16.1.254 (172.16.1.254) 0.724 ms 3.285 ms 0.613 ms 2 ip68-98-176-1.nv.nv.cox.net
(68.98.176.1)
12.169 ms 14.958 ms 13.416 ms 3 ip68-98-176-1.nv.nv.cox.net
(68.98.176.1)
13.948 ms ip68-100-0-1.nv.nv. cox.net (68.100.0.1) 16.743 ms 16.207 ms 4 ip68100-0-137.nv.nv.cox.net (68.100.0.137) 17.324 ms 13.933 ms 20.938 ms 5 68.1.1.4
(68.1.1.4) 12.439 ms 220.166 ms 204.170 ms
6 so-6-0-0.gar2.wdc1.Level3.net (67.29.170.1) 16.177 ms 25.943 ms 14.104 ms 7
unknown.Level3.net (209.247.9.173) 14.227 ms 17.553 ms 15.415 ms "PassGuide" - 8 so-0-10.bbr1.NewYork1.level3.net (64.159.1.41) 17.063 ms 20.960 ms 19.512 ms 9 so-7-0-0.gar1.
NewYork1.Level3.net (64.159.1.182) 20.334 ms 19.440 ms 17.938 ms 10 so-4-00.edge1.NewYork1.Level3.
net (209.244.17.74) 27.526 ms 18.317 ms 21.202 ms 11 uunet-level3oc48.NewYork1.Level3.net
(209.244.160.12) 21.411 ms 19.133 ms 18.830 ms 12 0.so-6-0-0.XL1.NYC4.ALTER.NET
(152.63.21.78)
21.203 ms 22.670 ms 20.111 ms 13 0.so-2-0-0.TL1.NYC8.ALTER.NET (152.63.0.153) 30.929 ms 24.858 ms
23.108 ms 14 0.so-4-1-0.TL1.ATL5.ALTER.NET (152.63.10.129) 37.894 ms 33.244 ms
33.910 ms 15 0.so-7-0-0.XL1.MIA4.ALTER.NET (152.63.86.189) 51.165 ms 49.935 ms
49.466 ms 16 0.so-3-0-0.XR1.MIA4.ALTER.
NET (152.63.101.41) 50.937 ms 49.005 ms 51.055 ms 17 117.ATM6- 0.GW5.MIA1.ALTER.NET
(152.63.82.73) 51.897 ms 50.280 ms 53.647 ms 18 PassGuidegw1. customer.alter.net
(65.195.239.14) 51.921 ms 51.571 ms 56.855 ms 19 www.PassGuide.com (65.195.239.22)
52.191 ms 52.571 ms 56.855 ms 20 www.PassGuide.com (65.195.239.22) 53.561 ms 54.121 ms 58.333 ms
Which of the following is the most like cause of this issue?