Question 1

What is the typical codec used for transmitting audio over IP networks?

Options :

A : H.323

B : G.711

C : SIP

D : RTP

Answer: B

Question 2

What is the role of SBCs in managing quality of service (QoS)?

Options :

A : Prioritizing and allocating bandwidth for real-time communication

B : Implementing firewalls and access control to protect network resources

C : Monitoring and reporting on network latency and packet loss

D : Analyzing network traffic patterns for performance optimization

Answer: A

Question 3

Which signaling protocol is commonly used for establishing and managing voice and video calls over IP networks?

Options :

A : SNMP

B : SIP

C : RTP

D : SMTP

Answer: B

Question 4

When troubleshooting signaling issues, what can be a possible cause if the SBC does not receive a response to an INVITE message?

Options :

A : Firewall blocking

B : Incorrect codec configuration

C : DNS resolution failure

D : Network congestion

Answer: A

Question 5

What is a SIP trunk in the context of signaling troubleshooting?

Options :

A : A hardware device used for signaling analysis

B : A signaling protocol used for media transmission

C : A physical cable connecting two devices

D : A virtual connection between two SBCs

Answer: D

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