100-140 Question 210
Select 3You are troubleshooting a network connectivity issue at a branch office. To verify connectivity to a remote server with the IP address 192.168.1.100, you decide to use various commands. Which of the following commands can be used to verify basic network connectivity to the server?
- A
ping 192.168.1.100
- B
traceroute 192.168.1.100
- C
netstat 192.168.1.100
- D
nslookup 192.168.1.100
- E
telnet 192.168.1.100
Show answer and explanation
Correct answers: A, B, E
Explanation
To verify basic network connectivity to a remote server, commands such as 'ping', 'traceroute', and 'telnet' are commonly used. 'Ping' checks connectivity and response time, 'traceroute' maps the path to the server, and 'telnet' can test connectivity to specific ports. Commands like 'netstat' and 'nslookup' serve other purposes and do not directly verify connectivity to a remote server.
- A. Correct.
The 'ping' command sends ICMP Echo Request packets to the target IP address, verifying basic connectivity and measuring response time. This is a fundamental command for testing connectivity.
- B. Correct.
The 'traceroute' command helps determine the path packets take to reach the destination and can confirm connectivity by showing intermediate hops.
- C. Incorrect.
The 'netstat' command is used to display active network connections and listening ports on the local machine. It does not verify connectivity to a specific remote IP address.
- D. Incorrect.
The 'nslookup' command is used to resolve domain names to IP addresses or vice versa. It is not used to verify basic connectivity to an IP address.
- E. Correct.
The 'telnet' command can be used to test connectivity to a specific port on a remote server. If the server is accessible on the specified port, the connection will succeed.