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Which of the following utility reports the port status of target TCP and UDP ports on a local or a remote comp

By default, the TFTP server listens on UDP port 69. Which of the following utility reports the
port status of target TCP and UDP ports on a local or a remote computer and is used to
troubleshoot TCP/IP connectivity issues?

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A.
PortQry

B.
Netstat

C.
Telnet

D.
Tracert

Explanation:

Reference:
http://support.microsoft.com/kb/832919

3 Comments on “Which of the following utility reports the port status of target TCP and UDP ports on a local or a remote comp”

  2. Q　 says:

    A.
    PortQry is a command-line utility that you can use to help troubleshoot TCP/IP connectivity issues.

    B.
    Netstat displays active TCP connections, ports on which the computer is listening, Ethernet statistics, the IP routing table, IPv4 statistics (for the IP, ICMP, TCP, and UDP protocols), and IPv6 statistics (for the IPv6, ICMPv6, TCP over IPv6, and UDP over IPv6 protocols). Used without parameters, netstat displays active TCP connections.

    C.
    Telnet allows you to communicate with a remote computer that is using the Telnet protocol.

    D.
    Tracert is a command which can show you the path a packet of information takes from your computer to one you specify. It will list all the routers it passes through until it reaches its destination, or fails to and is discarded. In addition to this, it will tell you how long each ‘hop’ from router to router takes.


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