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I applied via Referral and was interviewed in May 2021. There were 3 interview rounds.
Networking is the backbone of modern communication systems.
Understanding of network protocols such as TCP/IP, DNS, DHCP, etc.
Experience with network hardware such as routers, switches, firewalls, etc.
Knowledge of network security and best practices.
Ability to troubleshoot network issues and optimize network performance.
Familiarity with network monitoring tools and software.
Examples: Cisco CCNA certification, experience...
T568 A and T568 B are colour coding standards used for Ethernet cables.
T568 A uses green and orange pairs for transmitting and receiving data, respectively.
T568 B uses orange and green pairs for transmitting and receiving data, respectively.
Both standards use blue and brown pairs for other purposes such as power and grounding.
It is important to use the same standard on both ends of the cable for proper communication.
Networking tools include hardware and software for monitoring, analyzing, and troubleshooting network issues.
Network analyzers (Wireshark, tcpdump)
Network scanners (Nmap, Angry IP Scanner)
Bandwidth monitoring tools (PRTG, SolarWinds)
Remote access tools (TeamViewer, Remote Desktop)
Firewall and security tools (Nessus, Snort)
Virtualization tools (VMware, VirtualBox)
DHCP stands for Dynamic Host Configuration Protocol. It is a network protocol that automatically assigns IP addresses to devices.
DHCP assigns IP addresses to devices on a network
It also provides other network configuration information such as subnet mask and default gateway
DHCP servers can be configured to assign specific IP addresses to specific devices based on their MAC addresses
DHCP lease time determines how long a...
Switches can be configured through the command line interface or web interface using protocols like SNMP, SSH, Telnet, etc.
Access the switch's configuration mode
Configure VLANs, ports, and interfaces
Set up security features like access control lists and port security
Enable protocols like Spanning Tree Protocol and Link Aggregation Control Protocol
Save and backup configurations for future use
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I applied via Naukri.com and was interviewed in Sep 2020. There were 3 interview rounds.
The HashMap class is used to represent key-value pairs in Java.
HashMap is a part of the Java Collections Framework.
It allows null values and only one null key.
It provides constant-time performance for basic operations like get and put.
Example: HashMap<String, Integer> map = new HashMap<>();
Abstraction is the process of simplifying complex systems by focusing on essential details and hiding unnecessary complexities.
Abstraction allows us to create models or representations of real-world objects or systems in software.
It helps in managing complexity by breaking down a system into smaller, more manageable parts.
Abstraction provides a level of indirection, allowing changes to be made in one part of the system...
try-catch is used in Java to handle exceptions and prevent program crashes.
try-catch blocks are used to catch and handle exceptions that may occur during program execution.
It allows the program to gracefully handle errors and prevent the program from crashing.
The try block contains the code that may throw an exception, and the catch block handles the exception.
Multiple catch blocks can be used to handle different types...
The statement to use for selecting based on integer inputs is the 'switch' statement.
The 'switch' statement allows for multiple cases to be evaluated based on the value of an integer input.
Each case represents a possible value of the input, and the corresponding code block is executed if the value matches.
The 'switch' statement also provides a 'default' case which is executed if none of the cases match the input value.
...
I applied via Campus Placement and was interviewed in Oct 2020. There was 1 interview round.
I appeared for an interview before Jun 2016.
I appeared for an interview before Aug 2016.
I applied via Company Website and was interviewed before Dec 2019. There were 3 interview rounds.
For loop is used for iterating over a range of values while for each loop is used for iterating over elements of an array.
For loop is used when the number of iterations is known beforehand.
For each loop is used when the number of iterations is not known beforehand.
For loop can be used with any iterable object.
For each loop can only be used with arrays and other iterable objects.
For loop uses an index variable to access...
posted on 15 Feb 2022
I applied via Campus Placement
In this round you have to clear Aptitude and Basic Coding
It is pure coding test which is conduct on hacker rank platform. You have to complete 4 question(1 easy + 2 medium + 1 hard)
posted on 24 Oct 2023
I applied via Approached by Company and was interviewed before Oct 2022. There were 3 interview rounds.
Find duplicate items in array of strings.
Iterate through array and store each item in a hash set.
If item already exists in hash set, it is a duplicate.
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