Orange Business NOC Engineer Interview Questions and Answers

Q1. BGP attributes and how they work
Ans. 
BGP attributes are used to influence the path selection process in BGP routing.
• BGP attributes include AS_PATH, NEXT_HOP, LOCAL_PREF, etc.

• AS_PATH is a list of AS numbers that the route has traversed.

• NEXT_HOP is the IP address to reach the next hop towards the destination.

• LOCAL_PREF is used to influence outbound traffic.

• MED (Multi-Exit Discriminator) is used to influence inbound traffic.

• Weight is a Cisco-specific attribu...read more
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Q2. What to do if BGP goes down , how will you troubleshoot
Ans. 
To troubleshoot BGP going down, check BGP neighbor status, analyze BGP routing table, verify BGP configuration, and check for any network connectivity issues.
• Check BGP neighbor status to see if the neighbors are up and if there are any flaps

• Analyze BGP routing table to identify any inconsistencies or missing routes

• Verify BGP configuration for any errors or misconfigurations

• Check for any network connectivity issues such
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Q3. OSPF formation each state
Ans. 
OSPF formation involves states like Down, Init, 2-Way, Exstart, Exchange, Loading, Full.
• Down state: Initial state when OSPF process is not running.

• Init state: OSPF process is starting up.

• 2-Way state: Routers have exchanged hello packets and are now neighbors.

• Exstart state: Master and slave routers are determined.

• Exchange state: Database description packets are exchanged.

• Loading state: Link-state advertisements are exch...read more
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Q4. OSPF LSA types and which routes generates each LSA
Ans. 
OSPF LSA types include Router LSA, Network LSA, Summary LSA, and ASBR Summary LSA.
• Router LSA (Type 1) - Generated by all routers and contains information about directly connected links.

• Network LSA (Type 2) - Generated by DR to advertise the network segment.

• Summary LSA (Type 3, 4, 5) - Generated by ABR to advertise routes to other areas.

• ASBR Summary LSA (Type 4) - Generated by ABR to advertise ASBR information to other
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Multi-choice questions

Q1. Technical questions on networking
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Q1. Discussion on salary
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Q1. Tell me a little bit about yourself
Ans. 
I am an experienced IT Engineer with a strong background in network administration and troubleshooting.
• Experienced IT Engineer

• Strong background in network administration

• Skilled in troubleshooting

• Proficient in various operating systems and software

• Familiar with cybersecurity practices

• Excellent problem-solving and communication skills
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Q2. Tell about your strength and weakness
Ans. 
My strength is problem-solving and my weakness is time management.
• Strength: I have a strong ability to analyze complex problems and find effective solutions.

• Strength: I am skilled in troubleshooting and resolving technical issues.

• Weakness: I sometimes struggle with managing my time efficiently and prioritizing tasks.

• Weakness: I am working on improving my time management skills by using productivity tools and setting cl...read more
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Q3. Why you make transition into IT
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I transitioned into IT because of my passion for technology and problem-solving.
• Passion for technology and problem-solving

• Opportunity for growth and advancement

• Interest in staying up-to-date with the latest advancements

• Ability to contribute to the development of innovative solutions

• Examples: Enjoying troubleshooting computer issues, building websites as a hobby
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Q1. What is your current CTC? What is your current location? What is your job profile and responsibilities,
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Q1. Tell me about your self, What is Desktop, What is DHCP, DNS, Domain, OST and PST file , Bitlocke, SMTP and POP , MBR and GPT, What is Gateway, IP, router. VPN, Active Directory, Group policy, How to create...read more
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Q1. About self , Your current company discussion and location, about salary, .
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