Answer:
Explanation:
With an individual domain name we can upload all the content we want, in a free domain or share domain, upload content in some cases have a limit, for example the size of an image, in an individual domain we can add our brand, in a shared, we can add our brand side to company share those domains, we can have our own email address, practically we have a complete autonomy in our website.
 
        
             
        
        
        
let's say they catch-up to each other after t hour. 
so 
in t hour distance travelled by Renee 
d = speed × time = 50t
in t hour distance travelled by Kim 
d = speed × time = 60(t-1) + 0×1 = 60(t-1)
Note: here kim didn't covered any distance in first hour and in rest t-1 hour it travelled all distance 
now.as distance travelled by both is same so 
60(t-1) = 50t
60t -60 = 50t
adding 60 both sides
60t = 50t+60
subtracting 50t both sides
60t -50t = 50t+60 - 50t
10t = 60
dividing by 10 both sides
t = 60/10 = 6
so in 6 hour both will catch-up to each other
 
        
             
        
        
        
Answer:
C. how and where the data are physically arranged and stored.
Explanation:
The physical view as the name implies describes how and where the data are physically arranged in the database. This deals with the physical arrangement of data in the database. This user usually view the database in a logical way. e.g table. The physical arrangement is usually used by database specialists. There can be multiple logical view of a database but just a single view of the physical view.
 
        
             
        
        
        
Answer:
Option A: They are supported by short-range wireless communication technologies.
Explanation:
M-commerce is a progression of e-commerce which is being used on vast scale now-a-days like in online shopping, online payments etc.
- As m-commerce applications have facilitated so much, they also support short ranged communication technologies such as Bluetooth which allows the connectivity to internet as well as offers sharing among different devices.
- m-commerce applications are also compatible with 3G and 4G and even they have been promoted in a remarkable way. As these generations provide much faster speed and better connection, they have added much more to the business.
- m-commerce applications don't rely on voice recognition or text-to-text speech as they bother not to know who actually is interested. They rather make sure of payment methods to make the payments secure and certain.
- The m-commerce is totally free from wired protocols as it uses handheld devices including cell phones, tablets or laptops. So that the mobility is ensured.
 
        
             
        
        
        
Answer:
Session hijacking
Explanation:
Session hijacking : Session hijacking is an attack where a user session is taken over by an attacker. A session starts when you log into a service, for example your banking application, and ends when you log out.