Viavi Solutions Interview Questions, Process, and Tips

Interfaces between MME, BSC and other nodes

• MME interfaces with SGW, HSS, SGSN, and RNC

• BSC interfaces with BTS, MSC, and PCU

• Other nodes include OMC, EPC, and IMS

• Interfaces include S1-MME, S1-U, X2, A, Abis, and Iu

Customer tickets are handled by prioritizing, analyzing, and resolving them in a timely and efficient manner.

• Prioritize tickets based on severity and impact on the customer's business

• Analyze the issue thoroughly before responding to the customer

• Communicate clearly and regularly with the customer to keep them updated on the progress

• Resolve the issue as quickly and efficiently as possible

• Document the entire process for f