Spot the outsider in each IT set

Exercise and reference answers

Questions

1. Items

   1. LAN
   2. WAN
   3. DSS
   4. VPN

   Odd item

   DSS

2. Items

   1. Virus
   2. Worm
   3. Trojan horse
   4. Firewall

   Odd item

   Firewall

3. Items

   1. Spam
   2. Encryption
   3. Firewall
   4. Password

   Odd item

   Spam

4. Items

   1. Data warehouse
   2. Bluetooth
   3. Data mart
   4. Data mining

   Odd item

   Bluetooth

Instructions

Tap the one item in each row that does not belong with the other three.

Explanation