Huawei Technologies Senior RF Engineer Interview Questions and Answers for Experienced

I have over 5 years of experience in network engineering, focusing on design, implementation, and troubleshooting of networks.

• Network Design: I have designed and implemented scalable network architectures for various organizations, ensuring optimal performance and security.

• Troubleshooting: I have resolved complex network issues, such as latency and connectivity problems, using tools like Wireshark and traceroute.

• Protoc...read more

As a Network Engineer, I am primarily technical, focusing on designing, implementing, and managing network systems and protocols.

• Network Design: I have experience designing scalable network architectures, such as creating a multi-site VPN for secure communication.

• Troubleshooting: I excel in diagnosing network issues, like identifying bottlenecks using tools such as Wireshark and resolving them efficiently.

• Protocol Know...read more

As a Network Engineer, I design, implement, and manage network systems to ensure efficient and secure data communication.

• Network Design: I create network architectures tailored to organizational needs, such as designing a secure VPN for remote access.

• Configuration Management: I configure routers and switches, ensuring optimal performance and security, like setting up VLANs for traffic segmentation.

• Troubleshooting: I di...read more

CTC, or Cost to Company, refers to the total salary package an employee receives, including all benefits and allowances.

• Total Salary Package: CTC includes basic salary, allowances, bonuses, and any other perks provided by the employer.

• Breakdown of Components: For example, if my CTC is $80,000, it may include $50,000 as basic salary, $20,000 as allowances, and $10,000 as bonuses.

• Tax Implications: Understanding CTC is cr...read more

My expected CTC is negotiable based on the job responsibilities, company size, and location.

• My expected CTC is based on my experience, skills, and industry standards.

• I am open to discussing the compensation package during the interview process.

• I am looking for a competitive salary that aligns with my qualifications and the market rate.

My highest level of education is a Bachelor's degree in Network Engineering, focusing on networking principles and technologies.

• Bachelor's Degree: I hold a Bachelor's degree in Network Engineering, which provided a solid foundation in networking concepts and practices.

• Hands-On Experience: My education included practical labs where I configured routers and switches, simulating real-world network scenarios.

• Certifications...read more

I prefer a job location that fosters collaboration, offers growth opportunities, and is accessible for a healthy work-life balance.

• Proximity to major tech hubs like Silicon Valley or Austin for networking and career growth.

• Access to a collaborative work environment that encourages teamwork and innovation.

• Flexibility for remote work options to maintain a healthy work-life balance.

• Locations with a strong community of pro...read more

Yes, I'm ready for the technical round and eager to demonstrate my skills and knowledge in networking.

• I have hands-on experience with routing protocols like OSPF and BGP.

• Familiar with network security practices, including firewalls and VPNs.

• Proficient in troubleshooting network issues using tools like Wireshark.

• Experience in configuring and managing Cisco switches and routers.

My notice period is typically two weeks, allowing for a smooth transition and handover of responsibilities.

• Standard Duration: Most companies have a standard notice period of two weeks, which is common in the industry.

• Flexibility: Depending on the urgency of the role, I may be able to negotiate a shorter notice period if necessary.

• Transition Planning: I believe in ensuring a smooth transition, so I would work on handing...read more

My current company is a leading tech firm specializing in network solutions, providing robust infrastructure and support services.

• Industry Leader: The company is recognized for its innovative network solutions, serving clients across various sectors including finance and healthcare.

• Diverse Services: We offer a range of services such as network design, implementation, and management, ensuring optimal performance and sec...read more

As a Network Engineer, I design, implement, and manage network systems to ensure efficient communication and data transfer.

• Network Design: I create network architectures tailored to organizational needs, such as designing a secure LAN for a corporate office.

• Troubleshooting: I diagnose and resolve network issues, like identifying bottlenecks in data flow or connectivity problems between devices.

• Configuration Management:...read more

Yes, I am able to do rotational shifts as required for the job.

• I am flexible with my work schedule and can adapt to different shifts

• I have previous experience working in rotational shifts

• I understand the importance of maintaining network operations 24/7, which may require working different shifts

APIC controllers are used to manage and automate network infrastructure.

• APIC controllers provide a centralized point of control for network infrastructure.

• They automate network provisioning, configuration, and policy management.

• APIC controllers use APIs to communicate with network devices and orchestrate network functions.

• They enable network administrators to easily manage and monitor network traffic and security.

• Examp...read more

Leaf and Spine architecture is used in data center networks for scalability and redundancy. Fabric mode is used for efficient communication between them.

• Leaf and Spine architecture is a two-tier network design where leaf switches connect to spine switches.

• Leaf switches are connected to servers and storage devices while spine switches connect to other switches.

• This architecture provides high bandwidth, low latency, and ...read more

ISIS is used in fabric for routing and scalability purposes. Fabric is a network architecture that allows for high-speed, low-latency communication between devices.

• ISIS is a link-state routing protocol that is commonly used in fabric networks.

• Fabric is a network architecture that is designed to provide high-speed, low-latency communication between devices.

• Fabric networks are typically used in data centers and other hig...read more

VTEP is a virtual tunnel endpoint and VXLAN is a network overlay technology used for scaling out virtualized data centers.

• VTEP is used to encapsulate and de-encapsulate VXLAN packets.

• VXLAN is used to extend Layer 2 segments over a Layer 3 network.

• VXLAN is used in ACI to provide a scalable and flexible network fabric for multi-tenant environments.

• VXLAN allows for up to 16 million unique network segments.

• VXLAN uses a 24-...read more

Traffic forwarding between EPGs on the same leaf is achieved through VXLAN encapsulation and routing protocols.

• VXLAN encapsulation is used to create a virtual overlay network that spans multiple physical leaf switches.

• Routing protocols such as OSPF or BGP are used to exchange routing information between the leaf switches.

• The end point user's traffic is encapsulated in a VXLAN packet and forwarded to the destination lea...read more

Traffic flow from one leaf endpoint to another leaf endpoint is achieved through spine switches.

• Traffic flows from the endpoint of one leaf switch to the spine switch.

• The spine switch then forwards the traffic to the endpoint of the other leaf switch.

• This is achieved through the use of routing protocols such as OSPF or BGP.

• The spine switches act as intermediaries between the leaf switches.

• This architecture is known as ...read more

ACI provides connectivity to the internet through external Layer 3 networks.

• ACI uses external Layer 3 networks to connect traffic to the internet.

• This is achieved through the use of Border Gateway Protocol (BGP) and External Routing Policies (ERPs).

• ACI also supports the use of Network Address Translation (NAT) to translate internal IP addresses to external IP addresses.

• ACI can be configured to use multiple external Lay...read more

AAEP stands for Application Centric Infrastructure (ACI) Anywhere Endpoint Policy. It is used to enforce endpoint security policies.

• AAEP is a policy that defines how endpoints should be treated in an ACI fabric.

• It is used to enforce security policies for endpoints across different domains.

• AAEP is used to ensure that endpoints are properly classified and that the correct policies are applied to them.

• It is an important c...read more

IPG refers to Interface Profile Group which is used to group interface profiles. Interface policies define the behavior of interfaces.

• IPG is used to group interface profiles together for easier management.

• Interface policies define the behavior of interfaces such as QoS, security, and VLAN settings.

• IPG can be used to apply interface policies to multiple interfaces at once.

• For example, you can create an IPG for all acces...read more

Bridge domain is a layer 2 construct that separates broadcast domains. VNI is a VXLAN Network Identifier used for overlay networking.

• Bridge domain is used to isolate traffic within a specific VLAN or subnet.

• VNI is a 24-bit identifier used to identify VXLAN segments in an overlay network.

• Both bridge domain and VNI are layer 2 constructs used in network virtualization.

• Bridge domain is not a protocol, but VNI is a protoco...read more

VRF stands for Virtual Routing and Forwarding. It is used in ACI to provide network segmentation and isolation.

• VRF allows multiple virtual networks to coexist on a single physical infrastructure.

• Each VRF has its own routing table, which provides network segmentation and isolation.

• In ACI, VRF is used to create tenant networks and provide policy enforcement between them.

• VRF can also be used to provide secure connectivity...read more

Bare metal servers are physical servers without any virtualization layer or operating system installed.

• Bare metal servers are also known as dedicated servers.

• They are used for high-performance computing, data-intensive workloads, and applications that require direct access to hardware.

• Bare metal servers can be customized to meet specific requirements.

• Examples of bare metal server providers include IBM, Dell, and HP.

The domain created to connect VMM domains is called the Logical Switch domain.

• Logical Switch domain is created in System Center Virtual Machine Manager (VMM) to connect VMM domains.

• It is used to provide connectivity between virtual machines and physical networks.

• It allows for centralized management of virtual switches and network policies.

• Logical Switch domain can be used to create virtual networks that span multiple h...read more

Yes, spine-spine connections are possible in a leaf-spine network architecture.

• Spine-spine connections can be used to increase network capacity and redundancy.

• However, it is important to ensure that the spine switches are properly configured to avoid loops.

• Examples of spine-spine connections include MLAG and ECMP.

• Spine-spine connections are commonly used in data center networks.

VPC stands for Virtual Private Cloud. It is a virtual network that provides a secure and isolated environment within the public cloud.

• VPC domain is a logical boundary within which resources are created and managed.

• VPC allows multiple virtual machines to communicate with each other as if they were on the same physical network.

• VPC provides high availability and fault tolerance by allowing multiple instances to be deploye...read more

An orphan port in Nexus is a port that is not associated with any VLAN or interface.

• Orphan ports are also known as unused ports.

• These ports can be used for future expansion or can be disabled to save power.

• Orphan ports can be identified using the 'show interface status' command.

• They can also be configured as Layer 3 ports or assigned to a VLAN.

• Orphan ports can cause security issues if left unsecured.

OTV stands for Overlay Transport Virtualization. It is used to extend Layer 2 connectivity between data centers.

• OTV is a Cisco proprietary technology

• It allows for the extension of VLANs across multiple data centers

• It provides a layer of abstraction between the physical network and the logical network

• It helps in reducing the complexity of managing multiple data centers

• It provides a disaster recovery solution by allowing...read more

Traditional Mac learning is static while conversation Mac learning is dynamic.

• Traditional Mac learning involves manually configuring MAC addresses in the switch's MAC address table.

• Conversation Mac learning involves the switch dynamically learning MAC addresses based on the source address of incoming frames.

• Traditional Mac learning is more prone to errors and requires more manual intervention.

• Conversation Mac learning ...read more

VDC is Virtual Device Context. One supervisor can create up to 4 VDCs.

• VDC allows multiple virtual switches to be created on a single physical switch

• Each VDC has its own set of interfaces, VLANs, routing tables, and management interfaces

• VDCs provide better resource utilization and isolation between different network services