Post Test Training Mobileum Platform

What is a major architectural change in 5G roaming?

• Continued reliance on circuit-switched networks

• Introduction of 5G Core for standalone operations

• Elimination of VoLTE support

• Increased dependency on SS7

What is a key challenge in outbound roaming for 5G NSA networks?

• Lack of SS7 signaling support

• Dependency on LTE core for mobility management

• Inability to authenticate roaming subscribers

• Limited spectrum availability

Which metric is most critical for evaluating roaming data session quality?

• Signal strength

• Packet loss rate

• Subscriber location

• Call duration

What is a key challenge in managing SIP signaling for VoLTE roaming?

• High signaling overhead

• Lack of encryption support

• Inability to authenticate subscribers

• Limited spectrum availability

How can AI/ML improve traffic steering?

• By blocking roaming traffic

• By predicting network congestion and optimizing routing

• By eliminating LTE roaming

• By enforcing manual network selection

How does real-time campaign activation drive roaming revenue?

• By blocking VoLTE calls

• Through contextual upsell opportunities

• By restricting LTE roaming

• By enforcing manual network selection

What is a real-world use case of VoLTE call continuity?

• Blocking VoLTE calls

• Ensuring uninterrupted voice calls during network transitions

• Reducing roaming charges

• Eliminating LTE roaming

What security protocol is used in 5G networks?

• A5 encryption

• IPsec

• Enhanced authentication and encryption mechanisms

• SS7 signaling

Roamers distribution mechanism by distributing roaming traffic among multiple networks based on relative ratio of subscribers?

• List Based Redirection

• Subscriber Ratio Distribution Control

• Usage Based Steering

• Golden Rule

In a 5G Standalone (SA) network, which component replaces the traditional EPC used in LTE?

• IMS

• AMF

• HLR

• GGSN