Wish Net Network Engineer L1 L2 Interview Questions and Answers

Q1. Network Engineer Olt OTDR Installation OFC
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Q2. To
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Network related questions

Q1. What is salary expectation?
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Q2. Document verification
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Q1. What is IPRAN solution
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IPRAN solution stands for Internet Protocol Radio Access Network, which is a network architecture that combines IP/MPLS and mobile technologies.
• IPRAN solution is used to provide high-speed internet access to mobile users.

• It helps in optimizing network resources and improving network performance.

• Examples of IPRAN solution providers include Cisco, Huawei, and Juniper Networks.
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Q2. What is the different types of L2VPN we have
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Different types of L2VPN include Ethernet VPN (EVPN), Virtual Private LAN Service (VPLS), and Layer 2 Tunneling Protocol (L2TP).
• Ethernet VPN (EVPN) - Uses BGP as the control plane protocol for distributing MAC addresses across the network.

• Virtual Private LAN Service (VPLS) - Extends a LAN over the network, allowing multiple sites to appear as if they are on the same LAN segment.

• Layer 2 Tunneling Protocol (L2TP) - Creat...read more
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Q1. Volte call flow
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Q1. -tell us about yourself
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Q2. -what experience do u have as a network engineer
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Q3. What do you know about Huawei
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Q4. What is MPLS protocol and in what situations do we use it
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MPLS (Multiprotocol Label Switching) is a protocol used in high-performance telecommunications networks to direct data packets along predefined paths.
• MPLS is used to improve network performance by efficiently routing data packets based on labels instead of IP addresses.

• It is commonly used in scenarios where quality of service (QoS) and traffic engineering are important, such as in large enterprise networks or service p...read more
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Q5. Explain the three different INTER_AS solutions their advantages and disadvantages
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Three different INTER_AS solutions and their advantages and disadvantages
• Option 1: Option A - Advantages: Scalability, Disadvantages: Complexity

• Option 2: Option B - Advantages: Simplicity, Disadvantages: Limited scalability

• Option 3: Option C - Advantages: Flexibility, Disadvantages: Potential security risks
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It contains logical reasoning, quantitative aptitude, and technical questions

Q1. Technical questions based on networks
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Q1. Questions were based on wireless Communication
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Q1. What is a network and u now switch
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A network is a group of interconnected devices that communicate with each other to share resources and information.
• A network can be wired or wireless

• Devices on a network can include computers, printers, routers, and switches

• Networks can be local (LAN) or wide area (WAN)

• Switches are devices that connect devices on a network and direct traffic between them
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Q2. What is power battery switch
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A power battery switch is a device used to control the flow of power from a battery to a circuit or device.
• It is typically used in situations where multiple batteries are connected to a circuit and need to be switched on or off.

• The switch allows for easy control and management of power sources.

• Examples include battery backup systems for network equipment, where the switch determines whether power is sourced from the ma...read more
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Q3. What optical fiber splicing
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Optical fiber splicing is the process of joining two fiber optic cables together.
• Splicing is done to extend the length of a fiber optic cable or to repair a damaged cable.

• There are two types of splicing: fusion splicing and mechanical splicing.

• Fusion splicing involves melting the ends of two fibers together using an electric arc.

• Mechanical splicing involves aligning the two fibers and holding them together with a splic...read more
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Q4. Splicing mechanics otdr lsm
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Q1. How to do load balancing? What are the parameters, How to improve verious KPi, Like VDR, HOSR Initial ERAB, CQI,SSSR
Ans. 
Load balancing involves distributing network traffic across multiple servers to optimize resource utilization and prevent overload.
• Parameters for load balancing include server health, server capacity, and current network traffic.

• To improve various KPIs like VDR, HOSR, Initial ERAB, CQI, and SSSR, you can adjust load balancing algorithms, optimize server performance, and monitor network traffic.

• For example, you can use ...read more
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Q1. Salary expectation. Perks and benefits
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