10+ Interview Questions and Answers

I operate various network monitoring and troubleshooting tools.

• I am proficient in using Wireshark for packet analysis

• I have experience with Cisco Prime Infrastructure for network management

• I am familiar with SolarWinds for network monitoring

• I have used PingPlotter for network troubleshooting

• I am comfortable with CLI tools like ping, traceroute, and netstat

Yes, multiple BGP can be configured on the same router for redundancy and load balancing.

• Multiple BGP instances can be configured on the same router to handle different peers or address families.

• Each BGP instance will have its own configuration and routing table.

• This setup can provide redundancy and load balancing for network traffic.

• For example, one BGP instance can be used for IPv4 routing while another is used for IPv6 routing.

MPLS links are required in Banking customer for secure and reliable communication.

• MPLS provides secure and reliable communication for sensitive banking data

• Helps in prioritizing traffic for critical banking applications

• Ensures low latency and high performance for real-time transactions

• Supports seamless connectivity between multiple bank branches and data centers

BGP is used in Banking customer for secure and reliable communication between branches and data centers.

• BGP provides secure and reliable communication between branches and data centers in a banking network.

• It allows for efficient routing of traffic and automatic failover in case of network issues.

• BGP helps in maintaining high availability and ensuring data confidentiality in banking operations.

The formula for power is the rate at which work is done or energy is transferred.

• Power = Work / Time

• Power = Force x Velocity

• Power = Voltage x Current

• Power = (Current)^2 x Resistance

Ohm's Law states that the current flowing through a conductor is directly proportional to the voltage applied across it, and inversely proportional to the resistance of the conductor.

• Ohm's Law is represented by the formula V = I * R, where V is voltage, I is current, and R is resistance.

• It helps in calculating the relationship between voltage, current, and resistance in an electrical circuit.

• For example, if a circuit has a voltage of 12 volts and a resistance of 4 ohms, the c...read more

My current CCTC is $80,000 per year.

• Current CCTC is $80,000 per year

• CCTC may include salary, bonuses, benefits, etc.

• Negotiable based on experience and qualifications

tloc in SD-WAN stands for Transport Location and is used to define the physical location of a network device.

• tloc is used in SD-WAN to identify the physical location of a network device

• It helps in determining the optimal path for traffic based on the location of the device

• tloc can be configured to prioritize certain types of traffic based on location

SD-WAN technology stands for Software-Defined Wide Area Network, which is a type of technology that simplifies the management and operation of a WAN by decoupling the networking hardware from its control mechanism.

• SD-WAN utilizes software-based controllers and application-level policies to prioritize traffic and optimize network performance.

• It allows organizations to use multiple types of connections, such as MPLS, broadband, and LTE, to create a more flexible and cost-effect...read more

OSPF (Open Shortest Path First) is a routing protocol used to find the best path for data packets in IP networks.

• OSPF is a link-state routing protocol

• It uses Dijkstra's algorithm to calculate the shortest path

• OSPF routers exchange link-state advertisements (LSAs) to build a topology map

• It supports VLSM (Variable Length Subnet Masking) and CIDR (Classless Inter-Domain Routing)

• OSPF is widely used in large enterprise networks and ISPs

Expected CTC (Cost to Company) for the position

• ECTC stands for Expected Cost to Company

• It includes salary, bonuses, benefits, and any other compensation offered by the employer

• Candidates should provide their expected salary range based on their experience and skills

I am open to any location that offers growth opportunities and a challenging work environment.

• Open to relocation for the right opportunity

• Prefer locations with strong networking infrastructure

• Interested in locations with tech hubs or opportunities for professional development

Border Gateway Protocol

• BGP stands for Border Gateway Protocol

• It is a standardized exterior gateway protocol used to exchange routing information between different autonomous systems on the internet

• BGP helps in determining the best path for data to travel between networks

• It is commonly used by Internet Service Providers (ISPs) and large organizations to connect to multiple networks

• BGP operates on TCP port 179

Routers are networking devices that forward data packets between computer networks.

• Routers operate at the network layer of the OSI model

• They use routing tables to determine the best path for data packets

• Routers can connect different types of networks, such as LANs and WANs