FREE CompTIA Network+ Troubleshooting and Tools Questions and Answers
Which command can be used to test connectivity between two devices on a network?
The ping command sends ICMP Echo Request packets to a destination to test connectivity and measure response time. It is commonly used for basic network troubleshooting.
What does the traceroute command help identify?
traceroute shows the path packets take to reach their destination, including intermediate devices (hops). It helps identify routing issues or delays.
What tool would you use to verify the integrity of a network cable?
A cable tester is used to check for continuity, wiring faults, or breaks in a network cable, ensuring it functions correctly. Protocol analyzers like Wireshark are used for analyzing network traffic.
A user reports they cannot access a specific website, but others are working. Which tool can help verify the DNS resolution for the website?
The nslookup command queries DNS servers to resolve a domain name into its corresponding IP address. It is useful for diagnosing DNS-related issues.
A user complains about slow network performance. Which of the following tools would help identify traffic bottlenecks?
Wireshark is a packet analyzer that captures and examines network traffic in detail. It can help identify bottlenecks, unusual activity, or misconfigurations causing slow performance.
