Answer:
Data is encrypted on SSH
Explanation:
Telnet and SSH both are the networking protocols. These protocol are used for the security of data. In telnet data is sent over the link without any encryption. That is the reason, in telnet protocol data is less secure.
In SSH (Security Shell) protocol data has been encrypted before transmission. The encryption of data make it more secure between transmitter and receiver.
So the true statement is that, SSH has data encryption.
Answer:
ALTER TABLE Products
ADD Products_price float(5,2) DEFAULT 9.99,
ADD Adding_time datetime;
Explanation:
So at first we need to use ALTER TABLE statement, when we use this statement we also need to provide the table name. In this case, i assume it is 'Products'.
Then, as per question, we need to add two columns.
The first one is 'product_price' and it contains decimal points. So, we need to use ADD statement and give a column name like 'Prodcuts_price' and its datatype 'float' because it contains decimal or floating points. so, for 3 digits on the left and 2 digits on the right, it makes a total of 5 digits. So, we need to declare it like this. (5,2) it means a total of 5 digits and 2 after the decimal point. after that, we need to set our Default value using the DEFALUT statement. so DEFAULT 9.99. it will set the default value to 9.99 for existing products.
And for our next column, we give its a name like 'Adding_time' then it's datatype 'datetime' because it will contain date and times.
Using an electronic signature on official documentation best illustrates the process of authentication
Further explanation:
The continuous rise of Electronic signatures has made it easier for people to accept signed documents by email or through electronic devices. One good example of electronic signatures is the implementation of digital signatures which broadly encompasses many types of electronic signatures out there. Digital signatures are unique to each signer and follow a standard authentication protocol called PKI. PKI use mathematical algorithms to generate what are known as private and public keys.
A good example is Bob and Jane. Jane sends an eSignature document using her private keys. Bob receives this document with an attached copy of Jane’s public key. The signature will be considered valid if the public key decrypts the signature correctly.
Learn more about eSignatures and electronic signatures.
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Cloud storage is a service model in which data is maintained, managed, backed up remotely and made available to users over a network (typically the Internet).
