Koch Business Solutions Integration Engineer Interview Questions and Answers for Freshers

The lifecycle of a thread includes five states: new, runnable, running, blocked, and terminated.

• A thread is created in the new state.

• In the runnable state, the thread is ready to run but not currently running.

• When the thread is executing instructions, it is in the running state.

• If a thread is waiting for a resource, it is in the blocked state.

• The thread enters the terminated state when it completes its execution.

VLAN stands for Virtual Local Area Network. It is a logical grouping of devices on a network based on function, department or application.

• VLANs allow network administrators to segment a network into smaller, more manageable groups.

• Devices in a VLAN can communicate with each other as if they were on the same physical network, even if they are physically located on different switches.

• VLANs can improve network security by...read more

ABR router stands for Area Border Router, which connects multiple areas in a OSPF network.

• ABR router is used in OSPF (Open Shortest Path First) protocol.

• It connects multiple areas in a network and acts as a gateway between them.

• ABR router maintains separate link-state databases for each area it connects.

• It summarizes the routing information between areas to reduce the size of the routing table.

• Example: In a company net...read more

Private IP addresses ranges are reserved for internal networks and not routable on the internet.

• Private IP addresses are used within a local network and are not accessible from the internet

• There are three ranges of private IP addresses: 10.0.0.0 - 10.255.255.255, 172.16.0.0 - 172.31.255.255, and 192.168.0.0 - 192.168.255.255

• Private IP addresses are commonly used in home and office networks to allow devices to communica