QUESTION 41 An NMAP command that includes the host specification of 202.176.56-57. il scan umber of hosts. 512 256 Over 1000 65535 QUESTION 42 Attack forges a TCP/IP packet, which causes the victim to try opening a connection with itself. This causes the system to go into an infinite loop trying to resolve this unexpected connection. Eventually, the connection times out but during this resolution, the machine appears to hang or become very slow. The attack sends such packets on a regular basis to slow down system. Unpatched Win Server machines are vulnerable to these attacks. What type of Denial of service attack is represented here? land attack ping of the death SYN flood attack Smurf attack QUESTION 43 Samuel is the network administrator of Data X communications Inc. He is trying to configure his firewall to block address for a period of 24 hours time after more than three unsuccessful attempts. He is confident that this rule will work to stop these attacks but it does not. he still receives hundreds of thousands of brute-force attempts generated from various IP addresses around the Internet. Samuel want to completely block hackers brute force attempts on his network. What are the alternatives to defending against possible brute-force password attacks on his site? Enforce complex password policy on your network You cannot completely block the intruders attempt if they switch proxy constantly It cannot happen, so no worry Enable IDS to monitor the intrusion attempts and alert you by email