Answer:
Both b and c
Explanation:
Dotted Decimal notation is a presentation of numerical data which is expressed as decimal numbers separated by full stops. Dotted decimal notation expresses each eight bit sections of 32 bit numbers as decimal value. It provides convenient notation which is easy to understand by the people who are IT experts.
Answer: Employee privacy
Explanation:
Employers can electronically monitor property, computer and electronic devices under the their rights in the organization but there is issue of employee privacy. As, employee has the right to privacy in the organization or workplace.
In some organization phones and email address are provided by the company so that they can electronically monitor the employee properly. In this case, some employee feel that monitoring is the violation of their personal and privacy rights.
Answer:
The Update statement in the DML is used for changing existing data in a table.
Explanation:
Their are following Sql statement in the DML.
Insert
This SQL statement is used for inserting data into the table.
select
This SQL statement is used for retrieving data from database
update
This SQL statement is used for updating data in a table.
delete
This SQL statement is used for delete data from database .
The "UPDATE" SQL statement in DML is used for Modify the data in the existing table .
Following are the syntax of Update SQL query
Update tablename
set column1=value1,column2=value2............column N=valueN
Where condition;
Example :Suppose we have student table and (rollno,name,age and add) are the field for that table we have to change the address of rollno 105
Then we use update query like that
UPDATE STUDENT
SET add='kalam nagar'
where rollno=105;
Answer:
You can use the pop() method to remove specific elements of a list. pop() method takes the index value as a parameter and removes the element at the specified index. Therefore, a[2] contains 3 and pop() removes and returns the same as output.
Explanation:
Hope it helps you!
The use of public wireless connections can increase a user's vulnerability to monitoring and compromise. <u>VPN </u> software can be used to encrypt transmissions over public networks, making it more difficult for a user's PC to be penetrated.
Explanation:
- A VPN, or Virtual Private Network, allows you to create a secure connection to another network over the Internet.
- VPNs can be used to access region-restricted websites, shield your browsing activity from prying eyes on public Wi-Fi, and more. .
- Virtual Private Network, is a private network that encrypts and transmits data while it travels from one place to another on the internet. VPNs aren't just for desktops or laptops, you can set up a VPN on your iPhone, iPad or Android phone.
- A VPN encrypts the traffic from your machine to the exit point of the VPN network. A VPN isn't therefore likely to protect you from an adversary like Anonymous.
- VPNs add another layer of encryption to your internet traffic, your latency will go up and speeds will go down.
