IP spoofing replaces the untrusted source IP address with a fake, trusted one, to hijack connections to your network. Attackers use IP spoofing to send malware and bots to your protected network, to execute DoS attacks, or to gain unauthorized access.
Reference:
http://dl3.checkpoint.com/paid/74/74d596decb6071a4ee642fbdaae7238f/
CP_R80_SecurityManagement_AdminGuide.pdf?
HashKey=1479584563_6f823c8ea1514609148aa4fec5425db2&xtn=.pdf

Explanation
Use the database feature to obtain the configuration lock. The database feature has two commands:
* lock database [override].
* unlock database
The commands do the same thing: obtain the configuration lock from another administrator.

References:

Explanation
vpn tu
Description Launch the TunnelUtil tool which is used to control VPN tunnels.
Usage vpn tu
vpn tunnelutil
Example vpn tu
Output

Explanation
The correct answer would be FWM (is the process making available communication between SmartConsole applications and Security Management Server.). STATE is T (Terminate = Down) Symptoms
* SmartDashboard fails to connect to the Security Management server.
* Verify if the FWM process is running. To do this, run the command:
[Expert@HostName:0]# ps -aux | grep fwm
* If the FWM process is not running, then try force-starting the process with the following command:
[Expert@HostName:0]# cpwd_admin start -name FWM -path "$FWDIR/bin/fwm" -command "fwm"
[Expert@HostName:0]# ps -aux | grep fwm
[Expert@HostName:0]# cpwd_admin start -name FWM -path "$FWDIR/bin/fwm" -command "fwm" References: