1. Which Internet of Things (IoT) challenge involves the difficulty of developin
ID: 3856903 • Letter: 1
Question
1. Which Internet of Things (IoT) challenge involves the difficulty of developing and implementing protocols that allow devices to communicate in a standard fashion?
a) Security
b) Privacy
c) Interoperability
d) Compliance
2. Kaira's company recently switched to a new calendaring system provided by a vendor. Kaira and other users connect to the system, hosted at the vendor's site, using a web browser. Which service delivery model is Kaira's company using?
a) Platform as a Service (PaaS)
b) Software as a Service (SaaS)
c) Communications as a Service (CaaS)
d) Infrastructure as a Service (IaaS)
3. Which technology can be used to protect the privacy rights of individuals and simultaneously allow organizations to analyze data in aggregate?
a) Encryption
b) Decryption
c) Deidentification
d) Aggregation
4. Which one of the following is NOT an area of critical infrastructure where the Internet of Things (IoT) is likely to spur economic development in less developed countries?
a) Wastewater treatment
b) Water supply management
c) E-commerce
d) Agriculture
5. Maria's company recently experienced a major system outage due to the failure of a critical component. During that time period, the company did not register any sales through its online site. Which type of loss did the company experience as a result of lost sales?
a) Replacement cost
b) Opportunity cost
c) Manpower cost
d) Cost of good sold
6. Yuri is a skilled computer security expert who attempts to break into the systems belonging to his clients. He has permission from the clients to perform this testing as part of a paid contract. What type of person is Yuri?
a) Cracker
b) White-hat hacker
c) Black-hat hacker
d) Grey-hat hacker
7. Bob is using a port scanner to identify open ports on a server in his environment. He is scanning a web server that uses Hypertext Transfer Protocol (HTTP). Which port should Bob expect to be open to support this service?
a) 21
b) 23
c) 80
d) 443
8. Users throughout Alison's organization have been receiving unwanted commercial messages over the organization's instant messaging program. What type of attack is taking place?
a) Spam
b) Phishing
c) Social engineering
d) Spim
9. What type of malicious software masquerades as legitimate software to entice the user to run it?
a) Virus
b) Worm
c) Trojan horse
d) Rootkit
10. Barry discovers that an attacker is running an access point in a building adjacent to his company. The access point is broadcasting the security set identifier (SSID) of an open network owned by the coffee shop in his lobby. Which type of attack is likely taking place?
a) Evil twin
b) Wardriving
c) Bluesnarfing
d) Replay attack
11. Which control is not designed to combat malware?
a) Firewalls
b) Antivirus software
c) Awareness and education efforts
d) Quarantine computers
Explanation / Answer
1.
The major challenge faced by IoT technology is to connect two or more devices in a standard fashion. There should be diversity among IoT devices. If there is a single system to handle all these IoT devices, then it seems to be simple and easy to do byt, it is not that much simple because of the fast speed of the IoT devices.
There is fast pace communication between IoT devices which cannot be handled by the single system and needs to be diversified using some protocols.
Hence, the correct choice is c). interoperability.
2.
Since kaira’s company is using an application hosted by the third party over internet. Thus, the model used by kaira’s company is SaaS(Software as a service). The new calendaring system is a third part software hosted by a vendor and kaira’s company is using this third party software of vendors over internet. The service delivery model used by kaira’s company is Software as a service model.
Hence, the correct choice is Software as a Service(SaaS).
3.
If a person’s identity is securted in an organization and there are some systematic numbers associated with each individuals in an organization for the purpose of search like operations, then this process of preventing an individual’s identity is called as deidentification.
In this process, the privacy of an individual is not disclosed and all the queries related to an individual can be performed by a socoal security number etc.
Hence, the correct choice is c). deidentification.
4.
A country is called developed due to its economy and the area of critical infrastructure is economy in the less developed countries. If the money is spent on the IoT devices for e-commerce in the less developed countries, then it will cause damge to the economy of the country.
Hence, the correct choice is c). E-commerce.
5.
If a necessary choice of an action causes the loss of money that could be gained by an alternative event due to the down time of the company, then the loss of cost caused by choosing an event over an alternative event is called as opportunity cost.
Maria’s company did not register sales due to the failure of a critical component. The company choose to repair the critical component over the sales through the online site and as a result company experienced the loss of opportunity cost.
Hence, the correct choice is b). opportunity cost.
6.
Yuri has skills to break into other’s systems and he has also permission to do so. The people like yuri are called as white-hat hackers. The white-hat hacker is a kind of person who is legally authorized to break into the other’s system to find the vulnerabilities or for testing of their system or product.
On the other hand, a black-hat hacker illegaly hacks the other’s system without their permission for the purpose of fun or exploitation.
Hence, the correct choice is b). white-hat hacker.
7.
There are port numbers reserved for some internet services. The port which would perform scanning of open ports on a web server using HTTP is 80. The port number used by the HTTP is 80.
Henc, the correct choice is c). 80.
8.
When there are unwanted received messages using an instant messaging tool, then this kind of attack is called as spim. Spim is a kind of spam through instant messaging.
Since the users in the alison’s organization have been receiving unwanted commercial messaging through the instant messaging program. Thus, the attach which has taken place at alison’s organization is spim.
Hence, the correct choice is d). spim.
9.
A malware that is designed by some engineering to trick the users to execute it on their personal systems for the purpose of illegal access to the user’s system is called as Trojan horse or Trojan.
Hence, the correct choice is c). Trojan horse.
10.
The process of forging an access point in the form of a legal access point is called as evil twin. The attacker is broadcasting the SSID of an open network of the coffee shop which will give him access to the wireless communications going over there.
The broadcasted SSID of the open network will be in the form of legal wifi access point but it is a fraud to access the wireless communications through that open network.
Hence, the correct choice is a). evil twin.
11.
The firwalls, antivirus softwares, and quarantine computers are designed to prevent the system from virus, malwares etc. The efforts to spread the awareness and education about the threats of virus, malwares etc can make the users more attentive about these kind of attacks but cannot combat or destroy the malwares.
Hence, the correct choice is c). awareness and education efforts.
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