System Administrator interview questions

1. Which port does SSH use?
2. Port 21
3. Port 22
4. Port 25
5. Port 443

Answer: B

• Which command for Hop-by-Hop Analysis & Troubleshooting
• IPCONFIG
• Ping
• Tracert
• Net statistics

Answer: C.

• Why do you receive this warning?

1. Certificate issue
2. Use HTTP instead
3. You get virus
4. DNS issue

Answer A.

• You can’t open a website. However, ping IP works.
• Website is down.
• Internet is down
• You should use IP instead of website name.
• This is DNS issue.

Answer: D.

• After opening attachment, you can’t open any files because of ransomed.
• Pay money to hacker to  fix
• Restore the file.
• Disconnect the network.
• Run Windows update

Answer: C.

• The computer keeps rebooting by itself. What should you check?
• Check Log file.
• Reinstall Windows.
• Check IPCONFIG.
• Check Event viewer

Answer: E

• After a Windows update, the user can’t login with Please wait….
• Run anti-virus.
• Re-install Windows update
• Disconnect all external device except keyboard and mouse.
• Run system restore.

Answer: C.

• When assigning a Statistics IP address to a network device, which options you may have?
• Type the statistics IP address in the web browser.
• Run ipconfig /renew
• Go to NIC to change adapter settings.
• Use DHCP reservation.

Answer: D and D.

• The new Server comes with two hard disks and your boss want a redundancy RAID.

Answer: C

1. The new Server comes with four hard disks and your boss wants a high performance and security RAID.

A.           RAID 0

B.           RAID 1

C.           RAID 5

D.           RAID 6

E.            RAID 10.

F.            RAID 1+0

Answer: E and F.

1. Your laptop (mylaptop) has joined a domain, mydomain. Which is options to login Local Windows Account instead of Domain account?
2. .\username
3. Username
4. Mydomain\username
5. Mylaptop\username

Answer: A and D.

1. Your boss wants you to upload some secured files to a remote site. What may you use?
2. FTP
3. SFTP
4. FTPS
5. HTTPS

Answer: B, C and D