400-007 Free Practice Test

Which action must be taken before new VoIP systems are implemented on a network to ensure that the network is ready to handle the traffic?

1. A. Evaluate bandwidth utilization and connection quality
2. B. Enable special requirements such as direct DID lines on pickup
3. C. Make recommendations to limit the size of the half-open session table on routers
4. D. Check if anomaly detection is enabled for SIP and H.323 on Layer 3 devices

Correct Answer: B

A business invests in SDN and develops its own SDN controller that, due to budget constraints, runs on a single controller. The controller actively places an exclusive lock on the configuration of the devices to ensure it is the only source of changes to the environment. What is the result if the controller fails?

1. A. All device configurations are in read-only mode until the controller is restored.
2. B. The control plane is unavailable until the controller is restored.
3. C. If a device fails, the configuration backup is unavailable
4. D. Manual changes are only possible until the controller is restored

Correct Answer: B

Your network operations team is deploying Access Control Lists (ACLs) across your Internet gateways They wish to place an ACL inbound on the Internet gateway interface facing the core network (the "trusted" interface). Which IP address would the ACL need for traffic sourced from the inside interface, to match the source address of the traffic?

1. A. inside global
2. B. outside global
3. C. inside local
4. D. outside local

Correct Answer: C

A network security team uses a purpose-built tool to actively monitor the campus network, applications, and user activity. The team also analyzes enterprise telemetry data from IPFIX data records that are received from devices in the campus network. Which action can be taken based on the augmented data?

1. A. reduction in time to detect and respond to threats
2. B. integration with an incident response plan
3. C. adoption and improvement of threat-detection response
4. D. asset identification and grouping decisions

Correct Answer: A

Which parameter is the most important factor to consider when deciding service placement in a cloud solution?

1. A. data replication cost
2. B. application structure
3. C. security framework Implementation time
4. D. data confidentiality rules

Correct Answer: D