Answer:False
Explanation:
The window operating system controls the systems hardware making it so internal components and peripherals work across all program. On that note, Ann can read the file and also save it because the Window OS provides an interface between users and machine.
<span>Hello ;)
A, because the computer will srore the informations on disk or portable disk
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The answer is flash mob. They called it flash mob when a large number of people in twitter gather in group for a centralized face to face meeting. In flash mob, people are gathering to be able to create a community that is helping each other or even just talking to each other.
Answer:
If you code a column list in an INSERT statement that includes a column that’s defined with a default value, you can insert the default value for that column by coding the DEFAULT keyword in the VALUES clause of the INSERT statement.
Explanation:
SQL permits insert the DEFAULT value on the columns when is required. Suppose the column has a NULL constraint(values on this column can not be set in null), then you can pass the default value.
For example:
INSERT INTO table(field1, field2, field3, field4) VALUES (10, DEFAULT, 20, DEFAULT)
Answer and Explanation:
DOS attacks refer to Denial of Service attack. It is a sort of digital attack where a programmer hacks the system of a framework and makes it inaccessible for the clients which results in intruding on the internet providers of the machine.
At the end of the day, access to online administrations is denied for the client. Any sort of system administration can be upset by DOS assaults be it either bank site or an online business site.
Following is one of the defense techniques against DOS attacks:
Using Routers and Firewalls - As switches have rate constraining and access control capacities, so they can be set up in a legitimate manner to stop basic ping assaults by permeating unessential conventions and can likewise stop invalid IP addresses. In any case, the main hindrance for utilizing switches is that they are usually ineffective against an increasingly advanced parodied assault and application-level assaults utilizing substantial IP addresses. Presently here comes the job of firewalls. Firewalls can ensure the system by dismissing all the traffic landing from aggressor's end. This insurance by firewalls depends on basic principles dependent on conventions, ports or the starting IP addresses.
Be that as it may, it is difficult to hinder some mind boggling assaults by these straightforward standards. For instance, if there is a progressing assault on port 80 (web administration), it is beyond the realm of imagination to expect to drop all approaching traffic on this port in light of the fact that doing so will keep the server from serving genuine traffic.
One detriment of firewall is that Firewalls can close down a particular stream related with an assault, however like switches, they can't perform hostile to ridiculing.