Question 1

Which troubleshooting tool can be used to test the connectivity between two network devices by sending ICMP echo request messages?

Options :

A : Nmap

B : Telnet

C : Ping

D : Traceroute

Answer: C

Question 2

What is the purpose of load balancing in a High Availability (HA) setup?

Options :

A : To distribute network traffic evenly across multiple servers

B : To prioritize specific types of network traffic

C : To synchronize session state information between multiple SBCs

D : To establish secure connections between SBCs and remote devices

Answer: A

Question 3

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 4

What could be the possible cause if there are frequent audio drops or gaps in VoIP communication?

Options :

A : High latency

B : Misconfigured DNS settings

C : Insufficient bandwidth

D : Network jitter

Answer: D

Question 5

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