Today's technical interview questions of Tehran Ministry of Science and Research:
1. What does Portfast do?
2. What does the Spanning tree do? Without STP protocol , what would happen to the network?
3. What is the difference between Raid5 and Raid10?
4- The difference between MultiMode and Single Mode fiber optics?
5- If you do not see the Physical address in kerio control , what could be the reason?
6. What should I do if a service is set up in the network and want to resolve IP with name?
7. What does NAT do?
8. What is Dhcp Starvation attack and what is the solution to deal with it?
9- How to troubleshoot if the system does not turn on?
10. What is the difference between BitLocker and EFS?
11. Explain briefly sql injection and phishing attack?
12. If RAM has a problem, what happens to the system and what role does RAM play in the computer?
13. What is the difference between NAS، DAS، SAN? How do we access storage devices in any way?