When a network experiences an issue immediately after a configuration change, what troubleshooting principle should the technician follow first?

  • Roll back the configuration change
  • Implement additional security measures
  • Increase network bandwidth
  • Reboot the affected devices
In troubleshooting issues after a configuration change, the technician should first consider rolling back the configuration change to the previous state and observe the impact.

In a large data center, network engineers need to rapidly deploy changes across thousands of devices. What network automation strategy should they adopt to manage this effectively?

  • Orchestration
  • Configuration Management
  • Continuous Integration/Continuous Deployment (CI/CD)
  • Scripting
CI/CD is a strategy that allows rapid deployment and changes across a large number of devices in a data center.

Which QoS feature is used to manage congestion by controlling the rate at which packets are sent into the network?

  • Traffic shaping
  • Packet filtering
  • Congestion avoidance
  • Link aggregation
Traffic shaping is a QoS feature used to manage congestion by controlling the rate at which packets are sent into the network, preventing network congestion.

In SDN, _________ ensures the network's ability to dynamically adjust to changing business needs.

  • Network virtualization
  • Quality of Service (QoS)
  • Traffic Engineering
  • SDN Controller
In SDN, Traffic Engineering ensures the network's ability to dynamically adjust to changing business needs.

_________ topology is known for its simplicity and is commonly used for small local area networks.

  • Bus
  • Mesh
  • Ring
  • Star
A Bus topology is known for its simplicity and is commonly used for small local area networks.

What is a potential drawback of improper route summarization in a network?

  • Enhanced network security
  • Improved scalability
  • Increased routing table size
  • Reduced network latency
Improper route summarization can lead to an increased routing table size, negatively impacting network performance and scalability.

For a data center requiring high levels of redundancy and interconnectedness between all systems, which topology would provide the optimal structure?

  • Bus
  • Mesh
  • Ring
  • Star
In a data center with high redundancy requirements, a mesh topology is optimal as it provides interconnectedness between all systems, minimizing points of failure.

Which basic tool is commonly used to verify connectivity between two network devices?

  • Multimeter
  • Protocol Analyzer
  • Cable Tester
  • Ping
The basic tool commonly used to verify connectivity between two network devices is the "Ping" tool, which sends a test message to check if a device is reachable.

How does NetFlow assist in network management?

  • Captures and analyzes network traffic
  • Configures routing protocols
  • Monitors device temperature
  • Manages user authentication
NetFlow assists in network management by capturing and analyzing network traffic to provide insights into network utilization and application performance.

A network administrator needs to configure a solution for securely transmitting sensitive data over the internet to a cloud service provider. Which setup should they consider?

  • Direct Internet Connection
  • Site-to-Site VPN
  • Dedicated Leased Line
  • Cloud Connect Service
A site-to-site VPN provides a secure connection over the internet, making it an appropriate choice for transmitting sensitive data to a cloud service provider.