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Q1. Which two alarm reporting mechanisms are available to provide fault information for your Session Border Controller in a VOIP network? 

A. The Acme Packet Net-Net 4000 Element Management System (EMS) 

B. CMIP fault/response messages 

C. Rear craft interface display 

D. SNMP traps 

E. Via the show system-alarms ACLI command 

Answer: C,E 


Q2. Which statement about configuration versioning is TRUE? 

A. The saved configuration version may be higher than the running configuration version. 

B. The running configuration version is always HIGHER than the saved configuration version. 

C. The running configuration version is always EQUAL to the saved configuration version. 

D. The running configuration version may be higher than the saved configuration version. 

E. The running configuration version is reset to 1 when a Net-Net SD is rebooted. 

Answer:


Q3. When SNMP access is enabled to the Session Border Controller, which statement is TRUE? 

A. There are no default community strings. 

B. Only one trap receiver can be configured. 

C. The default community strings are acme and packet. 

D. The default community strings are public and private. 

E. Community strings are in passive mode. 

Answer:


Q4. What needs to be done to enable Physical Interface Redundancy (phy link redundancy)? 

A. Set link-redundancy-state to enabled in the system-config. 

B. Set link-redundancy to enabled in the system-config. 

C. Set link-redundancy-state to enabled in the network-interface. 

D. Set link-redundancy to enabled in the network-interface. 

E. Run the superuser command enable phy-redundancy. 

Answer:


Q5. In a high availability (HA) pair, a network administrator could trigger a system switchover manually from the ___________Session Border Controller by issuing the notify berpd force command. 

A. Standby or Active 

B. Active only 

C. Standby only 

D. Active node that no longer has a heartbeat 

E. Secondary only 

Answer:


Q6. Which statements are TRUE about a Net-Net 4500 SIP interface? 

A. The SIP interface provides G.711 to G.729 transcoding functions ONLY when SIP is the signaling protocol. 

B. The SIP interface listens for SIP signaling on one or more configured IP address/port/transport combinations. 

C. You can only configure a single SIP port per realm. 

D. The SIP interface provides a service pipe to sipd, such that incoming signaling messages are presented to the SIP protocol daemon for processing. 

E. The SIP interface modifies headers, such as the TO and FROM, to provide topology hiding. 

Answer:


Q7. With a default configuration, how long is the grace period before the Session Border Controller deletes an expired registration entry from the cache? 

A. 4 seconds 

B. 1 second 

C. 5 seconds 

D. 10 seconds 

E. 30 seconds 

Answer:


Q8. When the nat-traversal parameter is set to "always", the Session Border Controller compares the__________ and the Layer-3 source address to determine whether the endpoint is behind a NAT device and further compares the __________ to the Layer-3 source address to determine whether to add the registration to its registration cache. 

A. SIP Proxy IP address;SIP Registrar address 

B. Sent-by of the bottom most Via header; host address of the Contact URI 

C. From address; host address of the Contact URI 

D. Host address of the Contact URI; From address 

E. Sent-by of the top most Via header; host address of the Contact URI 

Answer: B,D 


Q9. You are logged into the Session Border Controller as superuser.You want to remove other users from the system. 

What telnet command is available to remove other users? 

A. Kill <index number> 

B. Kill <task-id> 

C. Remove user <index number> 

D. Remove user <username> 

E. Remove users 

Answer:


Q10. In high availability (HA) architectures, requests from the standby node result in information about state changes being pulled by the standby Session Border Controller (SBC) from the active SBC.Two checkpointed states include: 

A. Alarm state 

B. Media state 

C. Signaling state 

D. Dormant state 

E. Admin state 

Answer: B,C