TELUS Mobility Interview Questions, Process, and Tips

Q1. Describe lte call flow
Ans. 
LTE call flow involves multiple steps including connection establishment, data transfer, and connection release.
• UE sends a connection request to the eNodeB

• eNodeB forwards the request to the MME for authentication and authorization

• MME communicates with the HSS for user authentication

• Once authenticated, MME assigns a temporary ID to the UE and establishes a connection with the eNodeB

• Data transfer occurs between the UE an...read more
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Q2. Describe lte mobility procedures
Ans. 
LTE mobility procedures involve handover, tracking area update, and cell reselection.
• Handover: process of transferring an ongoing call or data session from one cell to another

• Tracking Area Update: updating the location of a mobile device when moving to a new tracking area

• Cell Reselection: process of selecting the best cell when a mobile device moves out of the coverage area of the current cell
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Q1. How you connect two data center located in different cities
Ans. 
Connect two data centers in different cities using dedicated leased lines or VPN tunnels.
• Use dedicated leased lines for high-speed, secure connection

• Implement VPN tunnels over the internet for cost-effective solution

• Consider using MPLS for reliable and efficient data transfer

• Utilize redundant connections for failover and high availability

• Implement encryption and security measures to protect data during transit
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GPON technology MOBILITY STrategic

Q1. GPON mobility st
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Q1. Strength weakness
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Reasoning, coding, language

Q1. Many on OOPS, DB,CN
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