Question 1

When troubleshooting media, what is the recommended approach to resolve issues related to echo?

Options :

A : Changing the network topology

B : Restarting the session border controller

C : Applying echo cancellation technology

D : Adjusting the volume of the audio streams

Answer: C

Question 2

Which of the following is a common signaling error code in SIP?

Options :

A : 603 Decline

B : 404 Not Found

C : 403 Forbidden

D : 200 OK

Answer: A

Question 3

What is the purpose of high availability (HA) in the context of SBC troubleshooting?

Options :

A : To prevent media-related issues

B : To optimize call admission control

C : To maintain service availability in case of system failures

D : To ensure efficient network routing

Answer: C

Question 4

What can be a potential cause of audio delays during media troubleshooting?

Options :

A : Incorrect MTU size

B : Insufficient memory

C : Buffer overflow

D : Firewall misconfiguration

Answer: C

Question 5

If you are experiencing network connectivity issues, what command can you use to check if a specific port is open?

Options :

A : nmap

B : netstat

C : ps

D : ifconfig

Answer: A

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