NTT Data Interview Questions, Process, and Tips

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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Q1. Tell me about your self
Ans. Hi sir good morning it's my pleasure to introduce myself. Am Jabaraj. Born in brought up in Chennai. I have done my schooling in dr Gmttv and now am finishing in BA.Economics in DR. Ambedkar clg with an aggregate 65% and now am seeking for a good job reputed organization like yours. To Engrow my career and take of mother. Am single parent child my mother working in standly hospital. That's all about me thank you so muc
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Q1. Tell me your Strength, weakness
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Q2. Strength is punctually hardworking and focus to do my work And my weakness is I feel uncomfortable until finishing my work in the given time
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Q1. About previous experience and pressure handling technics
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Q1. About Experience and Some Networking Security related topics
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Q2. And some basics from networks
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Q3. General from resume
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Topics related to poltics and current scinearios

Based on your skill set they will give you assignments it would be easy only

Q1. What is Wcag 2.2 ? What more new guidelines it has
Ans. 
WCAG 2.2 is the latest version of Web Content Accessibility Guidelines with new guidelines for making web content more accessible.
• WCAG 2.2 includes 9 new success criteria and updates to existing ones

• New success criteria include requirements for mobile accessibility, contrast, and language clarity

• WCAG 2.2 also emphasizes the need for accessibility in emerging technologies like virtual and augmented reality

• WCAG 2.2 is no...read more
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Q2. What are screen Reader modes
Ans. 
Screen Reader modes are different ways in which a screen reader can read and interpret content on a webpage.
• Screen Reader modes can include reading the entire page, reading only headings or links, or reading specific sections of the page.

• Screen Reader modes can also include different levels of verbosity, such as reading only the most important information or providing detailed descriptions of all content.

• Examples of sc...read more
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Q3. How will you perform accessibility testing
Ans. 
I will perform accessibility testing by using both manual and automated testing methods.
• Conduct manual testing to evaluate accessibility features such as keyboard navigation, color contrast, and screen reader compatibility

• Use automated testing tools like Axe, Wave, and Lighthouse to identify accessibility issues

• Collaborate with developers and designers to ensure accessibility is integrated throughout the development pr...read more
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Q1. Basics of CCNA and CCNP
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Q2. Difference between link state and DV. STP. BGP.
Ans. 
Link state and DV are routing protocols, STP is for loop prevention, BGP is for inter-domain routing.
• Link state protocols (e.g. OSPF) use Dijkstra's algorithm to calculate shortest path.

• Distance vector protocols (e.g. RIP) use Bellman-Ford algorithm and exchange routing tables.

• STP (Spanning Tree Protocol) prevents loops in Ethernet networks by blocking redundant paths.

• BGP (Border Gateway Protocol) is used for inter-dom...read more
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Q3. VLAN VTP OSPF EIGRP
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