HR discussion call

HR called and scheduled the 1st video technical discussion.

1st Video technical discussion: Tell me about yourself? Java, Networking Concepts, Linux Concepts

2nd Video technical discussion: SQL and Linux Concepts What is your salary expectation?

HR didn't callback. Tried contacting HR (call and mail) - no response. She ghosted me.

Workday status of the application changed to 'Offer Accepted' and again to 'Under Consideration' to 'No Longer Under Consideration'.

Tell me about yourself.

Basic Java, SQL, Linux, and networking questions.

What is the Linux command to check server connections?

What is the difference between TCP and UDP?

What is a three-way handshake?

What is DHCP?

What is DNS?

What is SNMP?

What command would you use to check how much memory is being used by Linux?

What are the different hypervisors available in Linux?

What is the private key?

Explain the OSI model.

Explain the TCP/IP model.

What is the difference between compile-time polymorphism and runtime polymorphism?

What is the difference between a Switch and a Router?

What is the difference between a Hub, Switch, and Router?

What is a Firewall?

What is the difference between a Domain and a Workgroup?

What are IP classes, and how can you identify the IP class of a given IP address?

What is a VPN?

What is the difference between JDK, JRE, and JVM?

Can constructors in JAVA be static?

Is a constructor inherited?