Answer: Scope resolution operator(::)
Explanation: A member function and the constructor can be called within the function easily but for the execution of the these components outside the class , a special operator is required to call the functions. The scope resolution operator(::) preceding with the name of class is thus used for defining of the function outside class.This operator maintains the cope of the function and constructor outside the class.
"Hackers" who work for companies to expose security flaws are definitely good, they're helping protect systems, often referred to as "white-hat" hackers. Many companies hire people like these or offer bounties for such people who can find vulnerabilities. One could say that even without permission, people who hack with the intent of demonstrating holes in security or improving a service could be considered good.
However, I don't believe that as firstly, they are breaking the law, and secondly, they are stealing data and invading people's privacy. One might as well break into somebody's house to say their security is bad!
The answer is C: Cloud computing is a service, and SaaS is a platform.
Cloud computing and SaaS are closely related terms, but are different. Cloud computing consist of infrastructure and services and can be described as the delivery of computer services like, storage, databases, servers, and more over the internet. On the other hand, SaaS can refer to as a software delivery model licensed differently to on-premise applications and provide users with access to a vendor’s cloud based web applications or software.
Answer:
While installing desktop sync app such as drop box following two resources will be used a lot
- CPU
- RAM
Explanation:
CPU usage has been increased while installing desktop sync application, because it depends on the number of files that need to be synced. If the number of files is high the CPU usage will increase.
The need of memory such as RAM is also increased while installing the desktop sync application. As the number of files that need to be synced increases the RAM usage is also increases.
Answer:
An Intrusion Detection System (IDS) is a system that monitors network traffic for suspicious activity and issues alerts when such activity is discovered. It is a software application that scans a network or a system for harmful activity or policy breaching. Any malicious venture or violation is normally reported either to an administrator or collected centrally using a security information and event management (SIEM) system. A SIEM system integrates outputs from multiple sources and uses alarm filtering techniques to differentiate malicious activity from false alarms.
