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Naina receives emails that consists of 18% spam of those emails. The spam filter is 93% reliable i.e., 93% of the mails it marks as spam are actually a spam and 93% of spam mails are correctly labelled as spam. If a mail marked spam by her spam filter, determine the probability that it is really spam.
Which one of the following is true with regard to a CPU having a single interrupt request line and single interrupt grant line? i) Neither vectored nor multiple interrupting devices is possible. ii) Vectored interrupts is not possible but multiple interrupting devices is possible. iii) Vectored interrupts is possible and multiple interrupting devices is not possible. iv) Both vectored and multiple interrupting devices are possible.
What are the advantages of fertigation in agriculture? 1. Controlling the alkalinity of irrigation water is possible. 2. Efficient application of Rock Phosphate and all other phosphatic fertilizers is possible. 3. Increased availability of nutrients to plants is possible. 4. Reduction in the leaching of chemical nutrients is possible. Select the correct answer using the code given below:
Email is still among the most widely used communication tools in the workplace even today. It is an important method of business communication that is fast, cheap and easily replicated. Email can increase efficiency, productivity of a business. One of the main advantages of email is that one can quickly and easily send electronic files to several contacts simultaneously. Despite the benefits, there are certain weaknesses too which are listed blow. Which of the following, if true, would weaken the conclusion about the  disadvantages of emails? 
The question below consists of a set of labelled sentences. Out of the four options given, select the most logical order of the sentences to form a coherent sentence. a. spoofed email messages from fooling recipients;  b. digitally signed emails can prevent  c. and browser toolbars can also alert users when  d. they’re prompted for usernames and passwords at suspicious sites
What is the limit of number of emails that can be sent through a free Gmail account per day using web browser?
Which of the following are correct about QR code? i) It is a two-dimensional (matrix) machine-readable bar code made up of black and white squares. ii) It is used for storing URLs or other information that link directly to text, emails, websites, phone numbers. iii) It can store up to 7089 digits.
In the question below, are given a statement followed by three courses of actions numbered I, II and III. On the basis of the information given, you have to assume everything in the statement to be true, and then decide which of the suggested course of action logically follow (s) for pursuing. Statement: The India Risk Survey 2017 report ranks 'Information & Cyber Insecurity' as the biggest risk facing Indian companies. Indian organizations, both public and private, had witnessed over 27,000 incidents of security threat, from January 2017 till June 2017 alone. Phishing, scanning/probing, website intrusions and defacements, virus/malicious code, ransomware, Denial of Service attacks, and data breaches are some ways in which hackers attack business websites, which can cause operational disruptions and potentially steal sensitive information. Small and medium businesses (SMBs), unfortunately, have been seeing rising incidences of cybercrime. In fact, 70 percent of cyberattacks occur at organizations with lesser than 100 employees  Courses of action: I. Mandate basic security practices and policies for all employees, such as 2-factor authentication, internet use guidelines and create and enforce rules on handling and protecting sensitive data. Conduct frequent training to sensitize employees about opening suspicious emails, encrypting their data, using strong passwords on their devices, installing security apps, and limiting activity over public Wi-Fi. Implement and enforce incident reporting to help ensure that even the smallest breach is report to management as well as the IT teams. II. Basics still matter and are some of the best defenses against viruses, malware, and other online threats. Assess the assets that are most at risk - data, servers, network - and ensure that the systems are updated with the latest security software, web browser, and operating system. Implement firewall security and run antivirus software after each update.  III. Ensure regular backup of all critical data - whether stored in-house or on the cloud. Run scheduled attack drills and stress tests to identify vulnerabilities and ensure that data restoration and business continuity are executed as planned.
Even our emails contain the IP address of the sender which helps in the enumeration. We can get this IP from ___________ from within the email.
Using email hacking illicit hackers can send & spread ___________ virus _____________ and spam emails.