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I applied via Company Website and was interviewed in Jul 2024. There were 3 interview rounds.
I am a highly skilled Network Engineer with 5+ years of experience in designing, implementing, and managing complex network infrastructures.
Experienced in configuring and troubleshooting routers, switches, firewalls, and other network devices
Proficient in network security protocols such as VPNs, ACLs, and IDS/IPS
Strong knowledge of TCP/IP, DNS, DHCP, and other networking protocols
Certified in Cisco CCNA and CCNP
Excelle
I applied via Referral and was interviewed before May 2021. There were 3 interview rounds.
SDWAN is a software-defined approach to managing and optimizing WAN connections.
SDWAN uses software to control and manage network traffic across multiple WAN connections.
It can dynamically route traffic based on network conditions and application requirements.
SDWAN can improve network performance, reduce costs, and simplify network management.
Examples of SDWAN vendors include Cisco, VMware, and Silver Peak.
OSPF is a link-state protocol while EIGRP is a hybrid protocol.
OSPF uses Dijkstra's algorithm to calculate the shortest path while EIGRP uses a metric based on bandwidth, delay, reliability, load, and MTU.
OSPF supports VLSM and route summarization while EIGRP supports only route summarization.
OSPF is an open standard protocol while EIGRP is a Cisco proprietary protocol.
OSPF has a higher convergence time than EIGRP.
OSPF...
The cost of default route varies depending on the network infrastructure and service provider.
The cost of default route is usually included in the overall cost of the internet service provided by the ISP.
The cost may also depend on the type of connection, such as fiber optic or cable.
In some cases, the cost may be higher for businesses that require more bandwidth and faster speeds.
The cost may also vary depending on th...
OSPF neighbourship occurs when two OSPF routers establish a relationship to exchange routing information.
OSPF routers send hello packets to discover neighbours
If the hello packets are compatible, the routers become neighbours
The routers exchange database descriptors to synchronize their link-state databases
If the databases are the same, the routers become fully adjacent
Neighbourship can be affected by network topology
AS path prepend is a technique used in BGP to influence the path selection of traffic.
AS path prepend involves adding the same AS number multiple times to the AS path attribute of a BGP route advertisement.
This makes the path appear longer and less desirable, causing traffic to prefer other paths.
AS path prepend can be used to influence inbound or outbound traffic.
Inbound traffic can be influenced by adding the local A...
Overlay is a network virtualization technique that adds a layer of abstraction over the physical network, while underlay refers to the physical network infrastructure.
Overlay is used to create virtual networks on top of the physical network infrastructure.
Underlay refers to the physical network infrastructure that provides connectivity between devices.
Overlay networks are used to provide network virtualization, multi-t...
VRF stands for Virtual Routing and Forwarding. It is a technology that allows multiple instances of a routing table to coexist on the same router.
VRF provides logical separation of routing tables, allowing multiple routing domains to exist on a single physical router.
Each VRF has its own routing table and forwarding table, which allows for overlapping IP addresses to be used without conflict.
VRFs are commonly used in M...
BGP damping is a technique used to reduce the impact of unstable routes on the internet.
BGP damping helps to prevent the propagation of unstable routes by temporarily suppressing them.
It is used to reduce the impact of route flapping, which occurs when a route repeatedly alternates between available and unavailable states.
BGP damping assigns a penalty value to unstable routes, and if the penalty exceeds a certain thres...
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I applied via Naukri.com and was interviewed in Nov 2020. There were 3 interview rounds.
UST interview questions for designations
I applied via Naukri.com and was interviewed in Aug 2020. There were 3 interview rounds.
I applied via Campus Placement and was interviewed before Feb 2020. There were 6 interview rounds.
I applied via Company Website and was interviewed before Feb 2020. There was 1 interview round.
I applied via Campus Placement and was interviewed in Oct 2020. There were 4 interview rounds.
Bubble sort is a simple sorting algorithm that repeatedly steps through the list, compares adjacent elements and swaps them if they are in the wrong order.
Start from the first element and compare it with the next element
If the next element is smaller, swap them
Repeat this process for all elements in the array
Continue this process until no more swaps are needed
A program to print all prime numbers
Take input from user for range of numbers
Loop through the range and check if each number is prime
Print the prime numbers
Hashmap is a data structure that stores key-value pairs and allows constant time access to values based on their keys.
Hashmap uses a hash function to map keys to indices in an array.
Collisions can occur when multiple keys map to the same index, which can be resolved using techniques like chaining or open addressing.
Examples of hashmap implementations include Java's HashMap class and Python's dict type.
Inheritance is a mechanism in object-oriented programming where a new class is created by inheriting properties of an existing class.
Inheritance allows code reuse and promotes code organization.
The existing class is called the parent or superclass, and the new class is called the child or subclass.
The child class inherits all the properties and methods of the parent class and can also add new properties and methods.
For...
I applied via Walk-in and was interviewed in Mar 2021. There was 1 interview round.
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