D-VoiS Communications Network Engineer Interview Questions and Answers

Q1. What is IPRAN solution
Ans. 
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
Ans. 
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. -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
Ans. 
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
Ans. 
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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How does chatgpt work? describe tn, fn, tp, fp and what is the formula?

Q1. Tell me about your previous role
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BGP IS-IS OSPF related questions

Q1. What is VPN? How it works?
Ans. 
VPN stands for Virtual Private Network. It allows users to securely access a private network over a public network.
• VPN creates a secure and encrypted connection between the user's device and the private network

• It masks the user's IP address and encrypts data to ensure privacy and security

• Common types of VPN include SSL VPN, IPsec VPN, and PPTP VPN

• VPN can be used to access company networks remotely, bypass geo-restricti
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Q2. What is BGP and OSPF?
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BGP (Border Gateway Protocol) is an exterior gateway protocol used to route traffic between different autonomous systems. OSPF (Open Shortest Path First) is an interior gateway protocol used to route traffic within a single autonomous system.
• BGP is used to connect different autonomous systems and make routing decisions based on network policies.

• OSPF is used within a single autonomous system to determine the best path f...read more
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Self Introduction & Some Random Topics Maybe Related To HUAWEI Or From Core ECE Subjects Or Related To Technologies Used By Telecom Providers , here they only test for confidence and willingness to take initiatives/interest in GD because in projects we have to deal with Front Lines/Customers all around the world

Q1. Basics Of DATA COMMUNICATION NETWORKING like OSI Model Vs TCP/IP , TCP/UDP, CDMA Vs GSM , Types Of IP Addresses
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Q2. They generally prefer those candidates who are having basic knowledge of Routing Algorithms Like Dijkstra , Spanning Tree etc
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Q3. They may also ask for any favourite subject from any of semester then they might go with deep dives in that subject
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Q4. For experienced candidates if they can answer questions related to these protocols like OSPF , BGP, MPLS , L2/L3-VPN then this might create a good impression for recruiters to assign in domains like IP-NC...read more
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Q1. What is your family background?
Ans. 
My family background is diverse and multicultural.
• My parents are from different countries, which has exposed me to different cultures and traditions.

• I have relatives living in various parts of the world, allowing me to have a global perspective.

• My family values education and has always encouraged me to pursue my interests in technology.

• I have a sibling who is also in the IT field, which has further fueled my passion fo
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Q2. Where do you see yourself in 5 years?
Ans. 
In 5 years, I see myself as a senior network engineer leading a team, implementing cutting-edge technologies, and contributing to the company's growth.
• Leading a team of network engineers

• Implementing advanced networking technologies

• Contributing to the company's growth and success

• Continuing professional development and certifications

• Building strong relationships with clients and stakeholders
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Q3. What are your strengths and weaknesses?
Ans. 
My strengths include strong technical skills, problem-solving abilities, and excellent communication. My weaknesses include a tendency to be overly detail-oriented and a desire for perfection.
• Strength: Strong technical skills - I have a deep understanding of network protocols, routing, and troubleshooting.

• Strength: Problem-solving abilities - I am skilled at identifying and resolving network issues efficiently.

• Strength...read more
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Q4. Tell me about yourself.
Ans. 
I am a highly skilled and experienced Network Engineer with a strong background in designing, implementing, and managing complex network infrastructures.
• I have a Bachelor's degree in Computer Science with a specialization in Networking.

• I have worked for 5 years at XYZ Company, where I was responsible for maintaining and troubleshooting network systems.

• I have extensive knowledge of routing protocols such as OSPF and BGP...read more
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Q5. Some situations will be given and your reaction in order to overcome that will be counted
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