A system administrator wants to assure that a server is responsive.
Which of the following networking tools should the administrator use to verify network connectivity?
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A. B. C. D.D.
The tool that the system administrator should use to verify network connectivity is "ping" (option D).
Ping is a standard network utility that sends an Internet Control Message Protocol (ICMP) echo request packet to a target host, and waits for an ICMP echo reply packet from the host. If a reply is received, it indicates that the target host is reachable and responsive.
Ping can be used to test connectivity to any device that supports ICMP, including servers, routers, switches, and even individual workstations. It is a quick and easy way to test basic network connectivity between two devices.
Option A, ARP (Address Resolution Protocol), is used to map a network address (such as an IP address) to a hardware address (such as a MAC address). While it can be used to verify that a specific host is on the network, it does not test network connectivity or responsiveness.
Option B, netstat, is used to display active network connections, network statistics, and network routing tables. It can be used to diagnose network issues, but it does not test network connectivity or responsiveness.
Option C, ipconfig, is used to display the IP configuration of a Windows system. It can be used to view network settings and troubleshoot network issues, but it does not test network connectivity or responsiveness.
Therefore, the correct answer is D, ping, as it is the tool used to verify network connectivity.