Phishing is type of attack in computer field that is processed to hack or steal the data of authorized user.The attacker acts as trusted party and then interacts with the authorized user through email or messages to gain confidential information like pin code, credit card number, login details etc of that user.
According to the question, colleague is experiencing phishing as he has been requested for pin-code and credit-card number from a wrong source behaving as authorized bank.
Other options are incorrect because ransomware is attack that asks for ransom from authorized user for reviving their access. on system. Spoofing is falsifying as some other party to receive advantage.
Mail poisoning is inclusion of inappropriate details in email such as invalid email address etc.
Option(C) is the correct answer to the given question.
Since overall the On-Board Diagnostics of the level 2 the computer systems need to evaluate the cause of the engine failures .The malfunction significantly increases in the fuel consumption, so that we can detecting the error code in the vehicle.
If we starting the engine as well as by using the DMM, we'll see how much battery voltage it is at the negative ignition coil node.
If the spark module is faulty and no ignition coils can fire so all the engines are working that's why all the other option are incorrect .
Regular expressions is the correct answer for the above question.
A 'regular expression' is an expression that is made up of the combination of multiple strings of numbers. It states the list of words with the help of some alphabets. It is used to search patterns because it tells about the multiple patterns for the only one expressions. For example-- arm\s+name is a 'regular expression' which means that a string can start from arm then there can be multiple spaces and then name.
The above question states that which gives multiple results for one string. So 'Regular expression' can give multiple results for one string. hence It is a correct answer.