Sirius Global L2 Network Engineer Interview Questions and Answers

Q1. Where do you see yourself in 5 years?
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Q1. What is EIGRP Authentication ?
Ans. 
EIGRP Authentication is a security feature that ensures only authorized routers can participate in EIGRP routing.
• EIGRP Authentication uses a shared secret key between routers to authenticate each other.

• It can be configured in two modes - MD5 authentication and SHA authentication.

• MD5 authentication is more commonly used and provides better security.

• SHA authentication is newer and provides stronger security.

• EIGRP Authent...read more
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Q2. What is OSPF DR and BDR ?
Ans. 
OSPF DR and BDR are routers elected to manage communication within a multi-access network.
• DR stands for Designated Router and BDR stands for Backup Designated Router.

• They are elected by OSPF routers on a multi-access network to manage communication.

• DR and BDR are responsible for maintaining the topology database and forwarding updates to other routers.

• They reduce the amount of OSPF traffic on the network by acting as a...read more
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Q3. What is VLAN ?
Ans. 
VLAN stands for Virtual Local Area Network. It is a logical grouping of devices on a network based on their function, project or application.
• VLANs allow network administrators to segment a network into smaller, more manageable groups.

• Devices in a VLAN can communicate with each other as if they were on the same physical network, even if they are physically located on different switches.

• VLANs can improve network security...read more
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Q1. What is your qualification and experience?
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Q2. What is your current CTC and how much expected about salary?
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I prefer not to disclose my current CTC. As for expected salary, I am open to negotiation based on the job requirements and market standards.
• I am looking for a fair compensation based on my skills and experience

• I am open to negotiation based on the job requirements and market standards

• I prefer not to disclose my current CTC
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Q1. What is your roles and responsibilities?
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Q2. Asking about networking questions?
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C fibonacci series program asked, Area of interest, about any additional certification

Q1. Simple discussed about company and package
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Q1. Abouts OSPF,Vpc,Nexus
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Q1. Technical Tricky questions
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Q2. Whay BGP is important in respect of OSPF
Ans. 
BGP and OSPF are both routing protocols, but BGP is used for inter-domain routing while OSPF is used for intra-domain routing.
• BGP is important in respect of OSPF because it allows for communication between different autonomous systems (AS)

• BGP is used to exchange routing information between different AS, while OSPF is used within a single AS

• BGP is used to determine the best path for traffic to take between different AS,...read more
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Q3. What are differences betweeen BGP and IBGP
Ans. 
BGP is used for routing between different autonomous systems, while IBGP is used for routing within the same autonomous system.
• BGP (Border Gateway Protocol) is an exterior gateway protocol used for routing between different autonomous systems.

• IBGP (Internal Border Gateway Protocol) is used for routing within the same autonomous system.

• BGP is used to exchange routing information between different autonomous systems (ASe...read more
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Q4. Can we create SVI in L2 switch? IF not why
Ans. 
No, SVIs cannot be created in L2 switches.
• SVI stands for Switched Virtual Interface.

• It is a virtual interface that represents a VLAN on a Layer 3 switch.

• L2 switches operate at Layer 2 of the OSI model and do not support routing or Layer 3 functionality.

• SVIs are used for routing between VLANs, which is a Layer 3 function.

• L2 switches can only create VLANs and assign ports to them for Layer 2 switching.

• To enable Layer 3 f...read more
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Q5. What is best link of OMP route Internet or MPLS?
Ans. 
The best link of OMP route depends on the specific needs and requirements of the network.
• Internet may be a better option for cost-effectiveness and flexibility, but MPLS may offer better reliability and security.

• Consider factors such as bandwidth, latency, traffic volume, and application requirements.

• Evaluate the pros and cons of each option before making a decision.

• For example, if the network requires low latency and ...read more
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Q6. What is TLOC is Viptela SDWAN, why it is used
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TLOC in Viptela SDWAN stands for Transport Locator and is used to identify the physical or virtual location of a device in the network.
• TLOC is a unique identifier assigned to each device in the SDWAN network.

• It helps in determining the optimal path for traffic routing.

• TLOCs can be based on various parameters such as interface, IP address, or VPN.

• They are used to define the connectivity between different sites in the ne...read more
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