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Tag: Briefing 312-49 (update December 06th, 2017)

Briefing 312-49: ECCouncil Computer Hacking Forensic Investigator (update December 06th, 2017)

What could be Tyler issue with his home wireless network?

Tyler is setting up a wireless network for his business that he runs out of his home. He has followed all the
directions from the ISP as well as the wireless router manual. He does not have any encryption set and the
SSID is being broadcast. On his laptop, he can pick up the wireless signal for short periods of time, but then
the connection drops and the signal goes away.
Eventually the wireless signal shows back up, but drops intermittently. What could be Tyler issue with his home
wireless network?

What will the other routers communicate between themselves?

In a virtual test environment, Michael is testing the strength and security of BGP using multiple routers to mimic
the backbone of the Internet. This project will help him write his doctoral thesis on “bringing down the Internet”.
Without sniffing the traffic between the routers, Michael sends millions of RESET packets to the routers in an
attempt to shut one or all of them down. After a few hours, one of the routers finally shuts itself down. What will
the other routers communicate between themselves?

Why is that?

After attending a CEH security seminar, you make a list of changes you would like to perform on your network
to increase its security. One of the first things you change is to switch the RestrictAnonymous setting from 0 to
1 on your servers. This, as you were told, would prevent anonymous users from establishing a null session on
the server. Using Userinfo tool mentioned at the seminar, you succeed in establishing a null session with one
of the servers. Why is that?

What step could you take to help secure SNMP on your ne…

Your company’s network just finished going through a SAS 70 audit. This audit reported that overall, your
network is secure, but there are some areas that needs improvement. The major area was SNMP security.
The audit company recommended turning off SNMP, but that is not an option since you have so many remote
nodes to keep track of. What step could you take to help secure SNMP on your network?

Why did this ping sweep only produce a few responses?

After passively scanning the network of Department of Defense (DoD), you switch over to active scanning to
identify live hosts on their network. DoD is a large organization and should respond to any number of scans.
You start an ICMP ping sweep by sending an IP packet to the broadcast address. Only five hosts respond to
your ICMP pings; definitely not the number of hosts you were expecting. Why did this ping sweep only produce
a few responses?


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