Question 1

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 2

What is the role of a backup SBC in a high availability (HA) configuration?

Options :

A : It enhances signaling and media troubleshooting.

B : It provides additional capacity to handle peak traffic.

C : It only becomes active if the primary SBC fails.

D : It monitors the network for potential disruptions.

Answer: C

Question 3

What is a common signaling issue that can occur when there is no audio during a phone call?

Options :

A : Dropped packets

B : One-way audio

C : Echo

D : Jitter

Answer: B

Question 4

Which tool can be used to resolve an IP address to its corresponding domain name?

Options :

A : Netstat

B : Traceroute

C : Nslookup

D : Ping

Answer: C

Question 5

What can be a possible cause of dropped calls in a media troubleshooting scenario?

Options :

A : QoS misconfiguration

B : Insufficient bandwidth

C : Codec incompatibility

D : NAT traversal issues

Answer: A

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