Verified-Troubleshoot Networks

A user reports intermittent network connectivity on their wired workstation. What should be checked first in the troubleshooting process?

• Replace the network interface card

• Update network adapter drivers

• Check patch cord connections and substitute known good cable

• Reconfigure the switch port settings

A wireless client shows strong signal strength but cannot connect to the network. What configuration issue is most likely?

• Access point is too far away

• Incorrect network password or security settings

• Radio frequency interference

• Client device hardware failure

A VoIP phone system experiences choppy audio and call dropouts during peak network usage. What network characteristic is most likely causing this issue?

• Insufficient bandwidth for voice traffic

• Wrong IP address configuration

• Faulty network cables

• Incorrect DNS server settings

True or False: Port flapping occurs when a network interface continuously transitions between up and down states, often due to cabling issues.

• True

• False

A Windows computer shows "Limited Connectivity" status. What does this specifically indicate?

• Computer cannot reach the internet

• Physical link is not established

• DHCP server did not provide IP configuration

• Network adapter drivers are corrupted

VoIP call quality is poor with echo and dropouts. What network performance characteristics should be measured? (Choose all that apply)

• Latency (delay in packet delivery)

• Jitter (variation in packet timing)

• Packet loss percentage

• DNS resolution time

A user cannot connect to a wireless network that doesn't appear in the available networks list. What should be checked first?

• Wireless adapter hardware failure

• Network password is incorrect

• SSID broadcast is suppressed

• Access point security settings

Multiple users report slow network performance during specific times of day. What is the most likely cause and solution?

• Individual computer malware infections

• Network congestion requiring QoS implementation

• Faulty network switch hardware

• Incorrect IP address configurations