Answer:
The answer is "Option d'.
Explanation:
The database provides a single graphical view of the data, but it provides the facility to use logical view concept, that uses by view command, that uses the dataset to provide a logical view, that shows data according to user condition, and certain options were incorrect which can be described as follows:
- In option a, In logical viewing data, it is not used.
- In option b, It doesn't represent entry screen it simply shows detail.
- In option c, this command doesn't allow you to create duplicate data.
The correct answer for the question that is being presented above is this one: "D) click to add." To define an additional field in Datasheet view, tap or click the<span> click to add </span>column heading.
Here are the following choice:
A) insert field
B) blank field
C) new field
D) click to add
Answer:
The title of RFC 4890 is "Recommendations for Filtering ICMPv6 Messages in Firewalls" and it was published in 2007.
Explanation:
RFC 4890 is the memo that was published in 2007. This document is about the recommendations of filtering messages that are harmful and having security risk for Internet Control Message Protocol ICMP version 6.
In this document different types of risk associated ICMPv6 protocol while forwarding messages. This memo recommends filtering techniques to drop the harmful messages and make the communication secure.