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DNS port number is 53.
DNS port number is used for DNS queries and responses.
It is a well-known port number, which is 53.
DNS uses both TCP and UDP protocols on port 53.
SSH port number is 22.
SSH port number is used for secure communication over a network.
Default port number for SSH is 22.
Port number can be changed for security reasons.
Example: ssh user@hostname -p 2222
A brute force attack is a trial-and-error method used by hackers to crack passwords or encryption by systematically trying all possible combinations.
Brute force attacks are time-consuming but effective against weak passwords.
Hackers use automated tools to try all possible combinations until the correct one is found.
Examples include trying all possible 4-digit PIN codes or dictionary words as passwords.
Strong passwords ...
I applied via Naukri.com and was interviewed in Dec 2023. There were 3 interview rounds.
Mathematics and grammar
I applied via Naukri.com and was interviewed in Jul 2020. There were 4 interview rounds.
Flip-flops and latches are sequential logic circuits used to store and manipulate binary data.
Flip-flops are edge-triggered devices, while latches are level-sensitive devices.
Flip-flops have separate clock and data inputs, while latches have a single input for both clock and data.
Flip-flops are used in synchronous circuits, while latches are used in asynchronous circuits.
Flip-flops are more complex and require more cir...
I applied via Recruitment Consulltant and was interviewed before Jun 2021. There were 3 interview rounds.
Decision Tree is preferred over Random Forest when interpretability is important.
Decision Tree is easier to interpret and visualize than Random Forest.
Decision Tree is better suited for small datasets with few features.
Random Forest is better suited for large datasets with many features.
Random Forest is less prone to overfitting than Decision Tree.
Decision Tree can be used as a building block for Random Forest.
If inter...
posted on 4 Aug 2022
I applied via Naukri.com and was interviewed before Aug 2021. There were 3 interview rounds.
posted on 28 Nov 2021
posted on 31 Jan 2024
I applied via Naukri.com and was interviewed in Dec 2023. There was 1 interview round.
posted on 14 May 2024
I applied via Referral and was interviewed before May 2023. There were 3 interview rounds.
I appeared for an interview in Jan 2025.
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based on 2 interviews
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