GTT Communications
10+ Victor Public School Interview Questions and Answers
Q1. Describe MPLS, layer 1 troubleshooting, routing, switching
MPLS is a protocol used in telecommunications for efficient packet forwarding. Layer 1 troubleshooting involves physical connectivity issues. Routing involves determining the best path for data packets. Switching involves forwarding data packets within a network.
MPLS (Multiprotocol Label Switching) is a protocol used to efficiently route data packets within a network.
Layer 1 troubleshooting involves identifying and resolving physical connectivity issues, such as faulty cables...read more
Q2. Explain follow up with Carrier partner.
Following up with carrier partner involves regular communication and coordination to ensure smooth operations and timely issue resolution.
Regular communication to ensure smooth operations
Coordination to resolve issues in a timely manner
Tracking performance metrics to identify areas for improvement
Collaborating on network upgrades and expansions
Providing feedback on carrier partner's services
Negotiating contracts and pricing
Maintaining a positive relationship with the carrier ...read more
Q3. Explain Working procedure on outages.
Working procedure on outages involves identifying the issue, troubleshooting, and resolving the problem.
Identify the issue through monitoring tools or user reports
Troubleshoot the problem by analyzing logs and network configurations
Resolve the issue by implementing a solution or escalating to higher-level support
Communicate updates and resolution to stakeholders
Perform post-mortem analysis to prevent future outages
Q4. Explain BGP ,OSPF.
BGP and OSPF are routing protocols used in computer networks.
BGP (Border Gateway Protocol) is used to exchange routing information between different autonomous systems (AS).
OSPF (Open Shortest Path First) is used to find the shortest path between routers within the same autonomous system (AS).
BGP is a path-vector protocol while OSPF is a link-state protocol.
BGP is used in large-scale networks while OSPF is used in smaller networks.
BGP is more complex and requires more configu...read more
Q5. What is networking?
Networking is the practice of connecting computers and other devices to share resources and information.
Networking involves the physical connection of devices through cables or wireless connections.
It also includes the configuration of network settings to enable communication between devices.
Networking allows for sharing of resources such as files, printers, and internet connections.
Examples of networking technologies include Ethernet, Wi-Fi, and TCP/IP.
Networking can be done...read more
Q6. What is OSI layers?
OSI layers refer to the Open Systems Interconnection model, which is a conceptual framework that standardizes the functions of a telecommunication or computing system into seven distinct 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 facilitate communication between devices.
For example, the Physical layer deals with the physic...read more
Q7. What do you understand by GL code and cost centre
GL code is a unique identifier for a general ledger account while cost centre is a department or unit within a company that incurs expenses.
GL code is used to record financial transactions in the general ledger
Cost centre is used to track expenses and allocate costs to specific departments or units
GL code and cost centre are often used together to provide detailed financial information
GL code can be alphanumeric and is unique to each account
Cost centre can be numeric or alpha...read more
Q8. On which layer are TCP adn UDP?
TCP is on the transport layer (Layer 4) and UDP is also on the transport layer (Layer 4).
TCP is a connection-oriented protocol that provides reliable data delivery. It operates on the transport layer (Layer 4) of the OSI model.
UDP is a connectionless protocol that provides faster data transmission but without guaranteed delivery. It also operates on the transport layer (Layer 4) of the OSI model.
Q9. Tell me about OSI layer
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 helps in understanding how data is transmitted over a network.
It starts from the physical layer (Layer 1) which deals with the actual physical connection between devices.
Each layer has specific functions and protocols, such as TCP/IP at the transport layer (Layer 4).
The application layer (...read more
Q10. What is OSI model?
The OSI model is a conceptual framework that standardizes the functions of a telecommunication or computing system into seven layers.
The OSI model stands for Open Systems Interconnection model.
It helps in understanding how different networking protocols work together.
The seven layers are: Physical, Data Link, Network, Transport, Session, Presentation, and Application.
Each layer has specific functions and communicates with the corresponding layer on another device.
For example,...read more
Q11. What is TCP/IP?
TCP/IP is a set of protocols that governs the way data is transmitted over the internet.
TCP/IP stands for Transmission Control Protocol/Internet Protocol.
It is a suite of communication protocols used to connect devices on the internet.
TCP ensures that data packets are delivered error-free and in sequence.
IP is responsible for routing packets to their destination.
Examples of TCP/IP protocols include HTTP, FTP, and SMTP.
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