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Category: 310-044

Exam 310-044 – SUN CERTIFIED NETWORK ADMINISTRATOR FOR SOLARIS 9

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Which two MX lines cause remote DNS servers torefuse to cache the MX record for SMTP relay smtp.gvon.com?

A DNS server has MX records which indicate that there are three SMTP
relays for the domain gvon.com. A problem occurs, whereby other DNS servers make iterative queries for
the MX records every time they are queried by clients. Which two MX lines cause remote DNS servers to
refuse to cache the MX record for SMTP relay smtp.gvon.com? (Choose two.)

What is a reason that the NTP client has NOT changed its time?

Given the snoop trace that was run for three minutes:

sys10 -> sys4 NTPclient (Fri May10 14:45:02 2002)
sys4 -> sys10 NTPserver (Fri May 10 14:44:37 2002)
sys10 -> sys4 NTPclient (Fri May 10 14:46:06 2002)
sys4 -> sys10 NTPserver (Fri May 10 14:45:43 2002)
sys10 -> sys4 NTPclient (Fri May 10 14:47:10 2002)
sys4 -> sys10 NTPserver (Fri May 10 14:46:47 2002)

What is a reason that the NTP client has NOT changed its time?


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