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I applied via Referral and was interviewed before Feb 2023. There was 1 interview round.
The 5 layers of OSS are: Business Process Layer, Service Layer, Resource Layer, Network Element Layer, and Physical Layer.
Business Process Layer: Manages the overall operation and coordination of OSS functions.
Service Layer: Handles service provisioning, activation, and management.
Resource Layer: Manages network resources such as routers, switches, and servers.
Network Element Layer: Controls individual network elements...
NMS stands for Network Management System. It is a software platform used to monitor, control, and manage network devices and infrastructure.
NMS provides real-time monitoring of network performance, availability, and security.
It allows network administrators to configure and manage network devices remotely.
NMS collects and analyzes network data to identify and troubleshoot issues.
It can generate reports and alerts for n...
RDR (Route Distinguisher) is a mechanism used in MPLS networks to uniquely identify VPN routes.
RDR is used in MPLS VPN networks to distinguish between routes belonging to different VPNs.
It is a 64-bit value added to the IPv4 or IPv6 prefix to create a unique VPN route.
RDR is typically configured on the PE (Provider Edge) routers in the MPLS network.
It allows the PE routers to correctly identify and forward traffic to t...
I applied via Referral and was interviewed before Jun 2023. There was 1 interview round.
STP (Spanning Tree Protocol) in switching is a network protocol that ensures a loop-free topology for Ethernet networks.
STP prevents loops in Ethernet networks by blocking redundant paths
It selects a root bridge to be the central point of the network
STP calculates the shortest path to the root bridge for each switch port
If a link fails, STP reconverges to find a new path without loops
The OSI (Open Systems Interconnection) model is a conceptual framework that standardizes the functions of a telecommunication or computing system into seven abstraction layers.
The OSI model consists of seven layers: Physical, Data Link, Network, Transport, Session, Presentation, and Application.
Each layer has specific functions and interacts with adjacent layers to provide end-to-end communication.
For example, the Phys...
iBgp is used within an autonomous system while eBgp is used between different autonomous systems.
iBgp is used for internal routing within an autonomous system.
eBgp is used for external routing between different autonomous systems.
iBgp typically has a higher administrative distance than eBgp.
iBgp peers are typically within the same AS, while eBgp peers are in different ASes.
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posted on 21 Aug 2024
STP loop prevention is achieved by blocking redundant paths in a network to prevent loops.
STP (Spanning Tree Protocol) identifies redundant paths in a network
STP selects a root bridge to be the central point of the network
STP blocks certain ports to prevent loops while still allowing for redundancy
If a link fails, STP will unblock a previously blocked port to maintain connectivity
I applied via Company Website and was interviewed in Jul 2024. There were 3 interview rounds.
DNS stands for Domain Name System, which translates domain names to IP addresses.
DNS is like a phone book for the internet, translating human-readable domain names (like google.com) to IP addresses (like 172.217.3.206).
It helps users access websites by typing in easy-to-remember domain names instead of complex IP addresses.
DNS servers store records of domain names and their corresponding IP addresses, allowing for effi...
DHCP stands for Dynamic Host Configuration Protocol, used to automatically assign IP addresses to devices on a network.
DHCP eliminates the need for manual IP address configuration on each device
It assigns IP addresses dynamically, allowing for efficient use of available addresses
DHCP servers lease IP addresses to devices for a specific period of time
DHCP also provides other network configuration information, such as su...
posted on 17 Apr 2024
I applied via Walk-in and was interviewed in Oct 2023. There was 1 interview round.
OSI (Open Systems Interconnection) is a conceptual framework that standardizes the functions of a telecommunication or computing system into seven layers.
OSI model consists of 7 layers: Physical, Data Link, Network, Transport, Session, Presentation, Application
TCP (Transmission Control Protocol) is a connection-oriented protocol that guarantees reliable and ordered delivery of data.
UDP (User Datagram Protocol) is a con...
A diode is a semiconductor device that allows current to flow in one direction only. Resistance is the measure of opposition to the flow of current in a material.
Diode is a two-terminal electronic component that conducts current primarily in one direction.
It has a low resistance in the forward direction and high resistance in the reverse direction.
Resistance is measured in ohms and is the property of a material that op...
BGP stands for Border Gateway Protocol, a routing protocol used to exchange routing information between different autonomous systems on the internet.
BGP is used to make routing decisions based on network policies, rules, and paths.
It is a path vector protocol that uses TCP as its transport protocol.
BGP is commonly used by Internet Service Providers (ISPs) to connect their networks and exchange routing information.
BGP h...
I applied via Newspaper Ad and was interviewed in Jul 2022. There were 2 interview rounds.
Coding test contains 2 questions
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
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