Inspira Enterprise India Limited Cyber Security Engineer Interview Questions, Process, and Tips

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3 question on splunk.

Q1. What is private and public IP address
Ans. 
Private IP addresses are used within a local network, while public IP addresses are used to identify a network on the internet.
• Private IP addresses are not unique on the internet and are used within a local network to identify devices.

• Public IP addresses are unique on the internet and are used to identify a network on the internet.

• Private IP addresses are in the range of 10.0.0.0 to 10.255.255.255, 172.16.0.0 to 172.31...read more
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Q2. How many hosts in class C IP address
Ans. 
There are 256 hosts in a class C IP address.
• Class C IP addresses have a subnet mask of 255.255.255.0

• The first three octets are used for network identification

• The last octet is used for host identification

• The range of IP addresses in a class C network is from 192.0.0.0 to 223.255.255.255

• Each octet has 8 bits, so the last octet can have 2^8 (256) possible values
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Q3. Give some example of vulnerable ports
Ans. 
Vulnerable ports are those that are commonly targeted by attackers to gain unauthorized access to a system.
• Port 21 (FTP)

• Port 23 (Telnet)

• Port 25 (SMTP)

• Port 80 (HTTP)

• Port 443 (HTTPS)

• Port 3389 (Remote Desktop Protocol)
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Q4. What is sql injection
Ans. 
SQL injection is a type of cyber attack where malicious SQL statements are inserted into an entry field to manipulate a database.
• Allows attackers to access sensitive data or execute unauthorized actions

• Occurs when user input is not properly sanitized

• Can be prevented by using parameterized queries and input validation

• Example: Entering ' OR 1=1;--' into a login form to bypass authentication
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Q5. What is the most recent vulnerability
Ans. 
The most recent vulnerability is the PrintNightmare vulnerability in Windows Print Spooler service.
• The vulnerability allows attackers to remotely execute code with system-level privileges.

• It affects all versions of Windows and has a CVSS score of 8.8.

• Microsoft has released patches for the vulnerability, but some experts suggest disabling the Print Spooler service as a temporary fix.
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