UST NOC Engineer Interview Questions and Answers

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

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

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

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

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

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

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

OSI model has 7 layers. Troubleshooting involves identifying and resolving issues at each layer.

• OSI model has 7 layers: Physical, Data Link, Network, Transport, Session, Presentation, and Application.

• Troubleshooting involves identifying and resolving issues at each layer.

• For example, if there is a connectivity issue, it could be at the Physical layer (cable issue), Network layer (routing issue), or Transport layer (fir...read more