Saturday, December 22, 2007

Networks : TRACERT vs PING vs FTP vs TELNET

Which utility would provide the output shown in the graphic exhibit?
1. FTP
2. >>TRACERT
3. TELNET
4. PING

Explanation : TRACERT is a TCP/IP utility that uses Internet Control Message Protocol (ICMP) Echo Requests to trace the route a data packet takes to its destination. The TRACERT command displays the hop count (also called the metric, the number of routers the signal must pass through to get to the destination), the time each hop takes (in milliseconds), the name of the computer or router passed through (optional), and the IP address of each router in the hop. This is the output shown in the graphic. TRACERT works with IP addresses, host names, and domain names.

The PING utility (for example, ping 208.160.120.17) is used to send test data packets to verify connectivity to another computer using ICMP. PING sends an ICMP Echo Request to a target name (like www.whitehouse.gov) or IP address. The resulting ICMP Echo Reply verifies that a TCP/IP configuration is set up properly and that the destination host is online and connected to the network.

FTP (File Transfer Protocol) is a utility program that allows the bi-directional transfer (uploading and downloading) of files between two networked hosts. A small FTP client program runs on the remote computer and accesses a larger FTP server running on a host.

The TELNET utility allows a computer to connect to a UNIX host by emulating a terminal (such as a DEC VT100) and establishing a remote command-line window.
Objective: Networks