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I applied via Referral and was interviewed before Jul 2021. There were 2 interview rounds.
I applied via Naukri.com and was interviewed in Apr 2021. There were 3 interview rounds.
I applied via Company Website and was interviewed in Dec 2021. There was 1 interview round.
I applied via Recruitment Consultant and was interviewed in Mar 2021. There were 3 interview rounds.
Finding number with most frequency in 1M size array of strings.
Use a hash table to store the frequency of each number.
Iterate through the array and update the frequency in the hash table.
Find the number with the highest frequency in the hash table.
To find length of linked list in single iteration, use two pointers and traverse the list until the end.
Use two pointers, one moving one node at a time and the other moving two nodes at a time.
Traverse the list until the end is reached.
The number of iterations taken by the faster pointer to reach the end is the length of the linked list.
I applied via Company Website and was interviewed in Mar 2021. There were 5 interview rounds.
I applied via Referral and was interviewed before Jun 2022. There were 2 interview rounds.
A firewall is a network security system that monitors and controls incoming and outgoing network traffic based on predetermined security rules.
Firewalls can be hardware or software-based
They act as a barrier between a trusted internal network and untrusted external network
Firewalls can block or allow traffic based on IP addresses, ports, protocols, or applications
Examples of firewalls include Cisco ASA, Palo Alto Netwo
Switches are devices used to connect multiple devices in a network and direct data packets to the appropriate destination.
Switches operate at the data link layer of the OSI model.
They use MAC addresses to forward data to the correct port.
Switches improve network performance by reducing collisions and segmenting traffic.
Examples of switches include Cisco Catalyst switches and Juniper EX switches.
A router is a networking device that forwards data packets between computer networks.
Routers operate at the network layer of the OSI model.
They use routing tables to determine the best path for data packets to reach their destination.
Routing involves selecting paths in a network along which to send network traffic.
Routers can connect different types of networks, such as LANs and WANs.
Examples of routers include Cisco r
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