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.