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  3. Regarding the extended ping command; which of the statements below are true? (Select all valid answer choices)

Regarding the extended ping command; which of the statements below are true? (Select all valid answer choices)

admin2009-05-19  52
问题 Regarding the extended ping command; which of the statements below are true?
(Select all valid answer choices)
选项 A、The extended ping command is supported from user EXEC mode.
B、The extended ping command is available from privileged EXEC mode.
C、With the extended ping command you can specify the TCP and UDP port to be pinged.
D、With the extended ping command you can specify the timeout value.
E、With the extended ping command you can specify the datagram size.
答案B,D,E
解析 Explanation:
The extended ping command works only at the privileged EXEC command line.
Some of the extended ping command values include the datagram size and timeout value as shown:

Datagram size [100]: Size of the ping packet (in bytes). Default: 100 bytes.

Timeout in seconds [2]: Timeout interval. Default: 2 (seconds). The ping is declared successful only if the ECHO REPLY packet is received before this time interval.

Incorrect Answers:
A. Regular pings are available in both user and privileged mode, but not extended pings.
C. Ports can not be specified.
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