Aksentt Tech Services NOC Engineer Interview Questions and Answers

Q1. Tell me about yourself
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Q2. How was your last weekend
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Q1. NOC interview questions
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Q1. Roles and responsibilities for NOC engineer
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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
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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
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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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My personal information and studing information

Operating system, ip, domain

Q1. Last experience about it support engineer
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In my last role as an IT Support Engineer, I provided technical assistance and resolved issues for end-users.
• Provided troubleshooting and problem-solving support for hardware and software issues

• Assisted users with setting up and configuring new devices and software applications

• Resolved network connectivity issues and performed network troubleshooting

• Managed and maintained IT inventory and equipment

• Collaborated with cro...read more
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Q1. Why you want to join this company?
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