Answer:
B. installApplication(‘A’, 1);
Explanation:
Given
The above code segment
Required
The correct call to installApplication
The function installApplication is declared as void, meaning that it is not expected to return anything.
Also, it receives a character and an integer argument.
So, the call to this function must include a character and an integer argument, in that order.
Option D is incorrect because both arguments are integer
Option C is incorrect because it passes no argument to the function.
Option A is incorrect because it receives an integer value from the function (and the function is not meant not to have a return value).
Option B is correct
 
        
             
        
        
        
Answer:
HDLC is one of the most commonly used internet protocols (IP) in what is Layer 2 of the industry communication reference model called Open Systems Interconnection (OSI).
Explanation:
 
        
             
        
        
        
Answer:
The answer to this question is option "d".
Explanation:
 The answer is user will not be able to login at all. The user wants to log in to the salesforce by its IP address. But in the server, all the IP addresses will be registered for their special work. When the user inserting their IP address to log in to the salesforce. The first server will be checking into there database. If IP address doesn't match it will not permit to access salesforce because in their server it is not a valid IP address. It is registered in sever but not for this user.
So the answer to this question is option "d".
 
        
             
        
        
        
Answer:
The answer is "number of the column containing the return value".
Explanation:
In Excel, the "VLOOKUP" method is used to perform the vertical search by looking for both the value during the user table and retrieving the number of the index number location in the same row. It is a built-in function, which is classified as a Lookup or Reference worksheet function, and the following function can be defined as follows:
- In the 1st parameter, it is used to watch the value for the match.  
- In the 2nd parameter, it is used to search the table.
- In the 3rd parameter, it is used as the column number representing the return value.  
- In the 4th parameter, it is used to return only if the same match is found.
 
        
             
        
        
        
Its use of the message digest 5 (MD5) hash algorithm for security.
CHAP uses a combination of MD5 hashing and a challenge-response mechanism, and authenticates without sending passwords as plaintext over the network. The security of the MD5 hash function is severely compromised.