Answer:
D) crypto key generate rsa
Explanation:
In cryptography, the RSA refers to Rivest–Shamir–Adleman. This is an algorithm used for encrypting and decrypting messages in computers thereby ensuring secured transmission of data. In order to generate an RSA key pair, you will use the command crypto key generate rsa while in the global configuration mode. This command has the following syntax:
crypto key generate rsa [general-keys| usage-keys| signature| encryption] [<em>labelkey-label</em>] [exportable] [modulus <em>modulus-size</em>] [storage <em>name of device</em>:][redundancy][on <em>name of device</em>:],
with each parameter having its description
Answer:
SQL queries
The command used to display the customer ID and total number of orders placed is given below
Query:
SELECT CustomerID, COUNT (orderID) AS TotalOrders
FROM Order_Table
GROUP BY CustomerID
Explanation:
SQL queries
The command used to display the customer ID and total number of orders placed is given below
Query:
SELECT CustomerID, COUNT (orderID) AS TotalOrders
FROM Order_Table
GROUP BY CustomerID
SELECT - To query the database and get back the specified fields SQL uses the select statement
CustomerID is a coloumn name
The function COUNT(OrderID) returns the number of orders
Totalorderds is a label
FROM - To query the database and get back the preferred information by specifying the table name
Order_Table is a table name
GROUP BY - The clause is used to group the result of a SELECT statement done on a table where the tuple values are similar for more than one column
The table below displays the CustomerID and total number of orders placed
CustomerID Totalorders
4 28
1 6
12 5
16 5
6 3
9 3
15 3
3 1
13 1
14 1
The table below shows the total number of orders situated for each sales person
SalesPerson_ID TotalOrders
3 16
2 3
4 3
5 3
Answer:
The answer is "Option A".
Explanation:
In the given question the method toString() is used that converts any value into a string. In this code two print method is used, that can be described as follows:
- In the first method, object1 is created, which is used to print all object values.
- In the second method, object1 uses the toString() method, which converts all values into a string, that's why the answer to this question is "True".
Answer:
4. A Web server has been specified.
Explanation:
End users have complained that when they click a link on your company's Website, the wrong client loads. You review the page with the suspect link and find the following HTML code:
To begin an FTP session, click the following link:
FTP Session
The problem is that Web server has been specified.
Answer:
<u>Advantages of wireless communication:-</u>
- Flexibility in transferring the message through communication for which the sender and receiver can be in any place.
- Speed of the communication is accurate and fast
- Due to no wiring , the cost of the wireless communication is less.
<u>Disadvantages of wireless communication:-</u>
- The security is less as the data can be accessed by unauthorized sources at times.
- The setting up of wireless communication complex and expensive.
<u>Advantages of wired communication:-</u>
- Simple configuration
- Higher bandwidth is present in the cable
- High reliability
<u>Disadvantages of wired communication:-</u>
- Mobility is present for communication
- Installation requires lot of time due to cabling
- Requires extra devices for covering large areas for communication
Wireless communication is more preferable than wired communication in the conditions like communication connection that should face low damage and longer life which is not present in cable connection as they break or get disrupted.The flexibility of moving while communication is required by most people so, they use wireless communication .
