How can a receiver tell whether an Ethernet frame uses the 802.3 standard?
What will be an ideal response?
To keep the two versions of Ethernet compatible, a convention is used:
If bytes 13-14 of an Ethernet frame contain a numeric value less than 1500, the field is interpreted as
a packet length and the 802.3 standard applies; otherwise, the field is interpreted as a type field and
the original Ethernet standard applies.
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A security analyst is reviewing the following log from an email security service. Which of the following BEST describes the reason why the email was blocked?
A. The To address is invalid. B. The email originated from the www.spamfilter.org URL. C. The IP address and the remote server name are the same. D. The IP address was blacklisted. E. The From address is invalid.
How can an algorithm be described in which the work it does grows as a function of the square of the problem size?
A. exponential B. logarithmic C. quadratic D. linear