Home

What is a key characteristic of a public Blockchain mcq

Blockchain MCQ Questions Coursey

  1. 1) What is a blockchain? A. A blockchain is a centralized digital ledger consisting of records called blocks. B. A blockchain is a decentralized, distributed, digital ledger consisting of records called blocks. C. A blockchain is a digital database consisting of records called class. D
  2. This mock test of Blockchain MCQ -1 for IT & Software helps you for every IT & Software entrance exam. This contains 20 Multiple Choice Questions for IT & Software Blockchain MCQ -1 (mcq) to study with solutions a complete question bank. The solved questions answers in this Blockchain MCQ -1 quiz give you a good mix of easy questions and tough.
  3. ations. 1. Public-key cryptography is also known as
  4. A public key is used in the cryptographic algorithm that allows peers in a blockchain to receive funds in his wallet. The public key is attached to a private key, creating a pair of keys. Both the private-public key pair is used to ensure that the security of the blockchain is ensured
  5. Blockchain Blockchain 4 © 2018 Carnegie Mellon University [DISTRIBUTION STATEMENT A] Approved for public release and unlimited distribution. Blockchain Data Storage: Blockchain Program Execution: Blockchain **004 So blockchain actually . changes that fundamental aspect of . both data storage and computing. With blockchain, the data storage i
  6. Q 7. What are the properties of Blockchain? There are four key features of blockchain: Decentralized Systems; Distributed ledger; Safer & Secure Ecosystem; Minting; Q 8. What is encryption? What is its role in Blockchain? Data security always matters. Encryption is basically an approach that helps organizations to keep their data secure
  7. In the case of Blockchain, the emergent characteristics are Trust, Auditability (Provenance), Transparency, Tamper-proof, and Anonymity. Blockchain Characteristics Functional Characteristics. Decentralized Network: The underlying network for Blockchain Technolog

Private blockchains are also called permissioned blockchains and are basically the opposite of public blockchains. There is one owner (usually a company) and they can delete and override commands if needed. Private blockchains can keep key information secure and confidential Public blockchains are used by the public and cannot have an administrator, are decentralized networks to verify transactions in a trustless enviornment. Permissioned vs Permissionless Blockchain Permissioned blockchain - need permission to join. permissionless blockchain - no permisisons needed to joi Here, we are giving 20 Blockchain quiz questions that will help both freshers & experienced to improve their performance. But before you start this online Blockchain quiz, bookmark other blockchain quizzes as well and attempt before you appear for any Blockchain interview: Blockchain Quiz - 1. Blockchain Quiz - 2 This free online quiz for Blockchain technology will revise your knowledge of Blockchain. So, let's start the Blockchain Technology Quiz. But before you start this online Blockchain quiz, bookmark other blockchain quizzes as well and attempt before you appear for any Blockchain interview: Blockchain Quiz - 1; Blockchain Quiz -

Blockchain MCQ -1 20 Questions MCQ Tes

  1. Public blockchains are a perfect example of this. Everyone in the public blockchain can see the transactions, so it is super transparent. On the other hand, private or federated blockchain could be best for enterprises that want to remain transparent among staff and protect their sensitive information along the way from public view
  2. Description. This mock test of Blockchain MCQ -2 for IT & Software helps you for every IT & Software entrance exam. This contains 20 Multiple Choice Questions for IT & Software Blockchain MCQ -2 (mcq) to study with solutions a complete question bank. The solved questions answers in this Blockchain MCQ -2 quiz give you a good mix of easy questions.
  3. A blockchain is essentially a distributed database of records or public ledger of all transactions or digital events that have been executed and shared among participating parties. Each transaction in the public ledger is verified by consensus of a majority of the participants in the system
  4. Output Feedback Mode Digital Signature is implemented using Public Key System The primary goal of cryptanalysis is to Break the cryptosystem The hash function value used in message authentication is also known as Message Authentication Code The uses of hashing algorithms include All of the above -authentication,integrity,storing password ===== ===== ===== ===== BLOCKCHAIN Which among the following is an active attack USer Impersonation Ether provides greater flexibility than Bitcoin does.

KEY CHARACTERISTICS OF THE BLOCKCHAIN Blockchain Participants Chronological and time-stam Blockchain, as the name suggests is chain of blocks — each being repository that stores information pertaining to transaction and also links to the previous block in the sam But blockchain has four key characteristics which make it different: It is designed to be distributed and synchronized across networks, which makes it ideal for multi-organizational business networks such as supply chains or financial consortia. It also encourages organizations to come out from behind their firewalls and share data Public blockchains allow users to create tokens to sell on secondary markets. 2.Public blockchains do not offer rewards, because they are open source. 3.Public blockchains offer cash rewards for running mining nodes. 4.Public blockchains offer rewards for mining in the form of cryptocurrency. The federated nodes are rewarded with Factoids Anonymity and Identity: Anonymity is the main characteristic of public Blockchains. Identity in this system can be untied to a user real-world identity. One user can obtain multiple identities to avoid identity exposure [44] Blockchain is Decentralized as well as an open ledger. Ledger is the record of the transactions done and because it is visible to everyone, therefore is called an open ledger. No individual or any organisation is incharge of the transactions. Each and every connection in the blockchain network has a same copy of the ledger

Public Key Cryptography MCQ Questions - Letsfindcours

A public blockchain will act as a public ledger meaning that as long as the blockchain remains operative, the data on it will be accessible The P2P nature of the blockchain does away with the need of intermediaries and users interact directly with each other Blockchain is Decentralized network i.e., it has no central authority to control the network as there is in the client server model. Blockchain provide a peer to peer network. This characteristic of blockchain allows the transactions to involve only two parties, the sender and the receiver

Top 50 Blockchain Interview Questions And Answers 2021

Public blockchains are open networks that allow anyone to participate in the network i.e. public blockchain is permissionless. In this type of blockchain anyone can join the network and read, write, or participate within the blockchain. A public blockchain is decentralized and does not have a single entity which controls the network Since Bitcoin maximalists believe that decentralization is a key characteristic of Bitcoin's blockchain network, the use of private, semi-private, and permissioned blockchains runs contrary to. A key characteristic of the blockchain is the truth that such a communication system doesn't need to be organized or supervised by any central authority - we are saying that the system doesn't have an decide who must be revered and who must work on and preserve this authority Blockchain. - A blockchain is a shared ledger where transactions are permanently recorded by appending blocks. - The blockchain serves as a historical record of all transactions that ever occurred, from the genesis block to the latest block, hence the name blockchain. Block Explorer

MCQ | Cryptography Basics. Here, we have a set of multiple-choice questions and answers (quiz) on cryptography basics (basic concepts of cryptography techniques). Submitted by Monika Sharma, on February 02, 2020 The system that maintains the blockchain will be able to detect and reject the attempted modification, and this is what makes the blockchain tamper-proof. The use of public key cryptography ensures that each participant in the system is uniquely identified and can validate any change to the blockchain using a cryptographically secure private key Machine learning interview questions are an integral part of the data science interview and the path to becoming a data scientist, machine learning engineer, or data engineer.. Springboard has created a free guide to data science interviews, where we learned exactly how these interviews are designed to trip up candidates! In this blog, we have curated a list of 51 key machine learning. The Terraform Associate certification is for Cloud Engineers specializing in operations, IT, or developers who know the basic concepts and skills associated with open source HashiCorp Terrafor Cyber Security MCQ SET- 29 Cyber Security MCQ SET- 30 If you have any Questions regarding this free Computer Science tutorials ,Short Questions and Answers,Multiple choice Questions And Answers-MCQ sets,Online Test/Quiz,Short Study Notes don't hesitate to contact us via Facebook,or through our website.Email us @ [email protected] We love to get feedback and we will do our best to make you happy

In my opinion, the development of artificial intelligence applications in analytics based on Big Data, Business Intelligence and integrated risk management processes can be divided into two stages. Ethereum uses the same technology behind Bitcoin, a blockchain, which uses a shared, decentralized public ledger to decentralize the network so it's not under the control of just one entity Frequently Asked SAP OOPS ABAP Interview Questions And Answers. 28. What is a Widening Cast ? Answer: The widening cast is, as with inheritance, the opposite of the narrowing cast: Here it is used to retrieve a class reference from an interface reference. 29 Of course, increased public acceptance, massive accuracy gains, a rich offer, and falling prices of sensors, IP cameras, and software make it all the easier to install biometric systems. Today, many applications make use of this technology. Biometric identifiers. There are two types of biometrics: #1. Physiological measurement

How does blockchain work? Now that we are familiar with a few aspects of blockchains, let us analyze in-depth, how does the blockchain works. We know that blockchain is nothing but an endless inundation of blocks which are knit together like a chain, and that too in a specific order of cryptography Introduction to Cloud ANSWERS - IBM Cognitive Class GET CERTIFICATE HERE: Introduction to Cloud Module 1 - Overview of Cloud Computing Question 1) In the US National Institute of Standards and Technology, NIST, definition of cloud computing, what does the statement shared pool of configurable computing resources include

Cloud Computing MCQ (Multi Choice Questions) with Introduction, Advantages, Disadvantages, history of cloud computing, virtualization, software virtualization, hardware virtualization etc Basic Accounting and Financial Accounting Interview Questions and Answers. Q1. Why did you select accounting as your profession? Ans: Well, I was quite good in accounting throughout but in my masters, when I got distinction I decided to adopt this field as a profession. Q2 Wisdom jobs Distributed Computing Interview Questions and answers have been framed specially to get you prepared for the most frequently asked questions in many job interviews. Here we have provided Tips and Tricks for cracking Distributed Computing interview Questions. These Distributed Computing Interview questions and answers are useful for Beginner, Advanced Experienced programmers and job. In a public cloud, the customers are often entirely different organizations. Most public cloud providers use the multi-tenancy model. Multi-tenancy allows customers to run one server instance, which is less expensive and makes it easier to deploy updates to a large number of customers Where flexible thinking is preferable to dogmatism The highest good, than which there is no higher, is the blockchain, and consequently it is immutably good, hence truly eternal and truly immortal. Saint Augustine, De natura boni, i, 405 C.E. (with minor edits) If you ask someone well-informed about the characteristic

Best Interview Questions on Linux: All of us are aware of the fact that, for managing all the hardware resources of your laptop or desktop and for enabling proper communication between software and your computer hardware, there is one word without which software would not function i.e. 'Operating System' OS.Just like Windows XP, Windows 7, Windows 8, MAC; LINUX is such an operating system Service-Oriented Architecture (SOA) Cloud Computing depict a broad movement towards internet and the use of WAN and enable smooth interaction between IT service providers of many types and consumers. Cloud technology brings with it a large number of key benefits and risks. These includes: Outsourcing to cloud-providers. Dependence on network Blockchain's greatest characteristic stems from the fact that its transaction ledger for public addresses is open to viewing. Which cryptographic algorithm is used in Blockchain? The most adopted secure algorithms associated with the blockchain technology are (SHA-1, SHA2, and SHA-256) encryption because of their unique quality of hash function that create unique outputs when given different. Google Cloud Platform is a service that offers computing resources for deploying and running web applications. Its expertise is providing a forum for individuals and businesses to develop and run apps, and it links those users through the internet. Although Google Cloud Platform outperforms AWS in terms of price and flexibility, AWS outperforms.

Top 55 Blockchain Interview Questions and Answers Edurek

OOPS Java Interview Questions And Answers. 1. Name the principles of OOP and tell about each. Objective-oriented programming (OOP) is a programming methodology based on the representation of a program as a set of objects, each of which is an instance of a particular class, and the classes form an inheritance hierarchy Prologue: UPSC Prelims 2020: paper-1. Today UPSC Conducted the Civil Services IAS/IPS Prelims Exam. This is just the raw paper1 (General Studies, set-B). It had total 100 Questions, I've sorted them subject/topicwise. Detailed Answerkey and Analysis work under pipeline A very key component of protecting information confidentiality would be encryption. Encryption ensures that only the right people (people who knows the key) can read the information. Encryption is VERY widespread in today's environment and can be found in almost every major protocol in use Capability Maturity Model is used as a benchmark to measure the maturity of an organization's software process. CMM was developed at the Software engineering institute in the late 80's. It was developed as a result of a study financed by the U.S Air Force as a way to evaluate the work of subcontractors. Later based on the CMM-SW model created.

Symmetric encryption uses a single key that needs to be shared among the people who need to receive the message while asymmetric encryption uses a pair of public key and a private key to encrypt and decrypt messages when communicating. Symmetric encryption is an old technique while asymmetric encryption is relatively new One of the projects you will inevitably stumble upon when you visit blockchain conferences and follow blockchain news is Hyperledger of the Linux Foundation -AMAZONPOLLY-ONLYWORDS-START- But while it is relatively straightforward to understand what cryptocurrencies like Bitcoin and even Ethereum are, it is more difficult to get your head around the Hyperledger initiative Java MCQ (Multiple Choice Questions) with java tutorial, features, history, variables, object, class, programs, operators, swith, for-loop, if-else, oops concept. Top big data technologies are divided into 4 fields which are classified as follows: Data Storage. Data Mining. Data Analytics. Data Visualization. Now let us deal with the technologies falling under each of these categories with their facts and capabilities, along with the companies which are using them

Blockchain Characteristics Blockchain Technology

RSA is based upon public key/private key concept. For authentication one can encrypt the hash (MD5/SHA) of the data with his private key. This is known as digital signature. And secrecy is achieved by encrypting the data with the public key of the target user. Generally we dont use RSA for encryption because of key size (1024 bits) Power enhanced decision making with expertly curated, up-to-date business, location, and consumer data. We are the architects behind the accuracy and consistency of your data. Our approach gives you the confidence and context to reach beyond today's performance. We move and help process data with integrity, giving tomorrow's market leaders.

Nosql MCQ Questions: Whether your freshers or experience these Nosql MCQ questions are for you to brush up your oops skills before an interview. In this Nosql quiz have listed best questions. Here you can also take Nosql mock test which is also known as Nosql online test Software engineering is a process of analyzing user requirements and then designing, building, and testing software application which will satisfy that requirements. Important reasons for using software engineering are: 1) Large software, 2) Scalability 3) Adaptability 4) Cost and 5) Dynamic Nature. In late 1960s many software becomes over budget With reference to Blockchain Technology, consider the following statements : 2. 3. It is a public ledger that everyone can inspect, but which no single user controls. The structure and design of blockchain is such that all the data in it are about cryptocurrency only Applications that depend on basic features of blockchain can be develope 3) Volume. Volume is one of the characteristics of big data. We already know that Big Data indicates huge 'volumes' of data that is being generated on a daily basis from various sources like social media platforms, business processes, machines, networks, human interactions, etc In public cloud computing. Imagine a special car engine that could be shared easily between multiple cars and car owners. Each car owner needs the engine to behave slightly differently: some car owners require a powerful 8-cylinder engine, while others require a more fuel-efficient 4-cylinder engine

Project Scope Step 3: 3. Project Scope description. You as a leader, need to be clear about the features and functioning required for your product or service.. For example, you are building a website. You need a list that provides how you will build your website, the type of branding required and so on Cloud is a model of computing where servers, networks, storage, development tools, and even applications (apps) are enabled through the internet. Instead of organizations having to make major investments to buy equipment, train staff, and provide ongoing maintenance, some or all of these needs are handled by a cloud service provider

Geo-Political, Geo-Strategic, and Geo-Economic Analysis / The handbook of biomarkers / The handy geography answer book / The Internet as a Technology-Based Ecosystem: A New Approach to the Analysis of Business, Markets an / The Myths That Made America : An Introduction to American Studies. Health. 100 questions & answers about diabetes / 100. The price-to-earnings ratio, or P/E ratio, helps you compare the price of a company's stock to the earnings the company generates. This comparison helps you understand whether markets are. What is OLAP? OLAP (for online analytical processing) is software for performing multidimensional analysis at high speeds on large volumes of data from a data warehouse, data mart, or some other unified, centralized data store.. Most business data have multiple dimensions—multiple categories into which the data are broken down for presentation, tracking, or analysis The key is to find common ground and know that what you do and say can have a positive or negative effect on someone. This includes the tone of your voice, facial expressions, and body language

BLISS 03-T1 Unit 1 MCQ cases and open questions final v2

What Is IoT? The Internet of Things (IoT) describes the network of physical objects—things—that are embedded with sensors, software, and other technologies for the purpose of connecting and exchanging data with other devices and systems over the internet. These devices range from ordinary household objects to sophisticated industrial. We collaborate with private foundations and public organizations to address pressing global challenges with a specific focus on building frontier and humanitarian supply chains; K-12 supply chain education, STEM and career awareness; workforce development; and diversity and inclusion initiatives. Learn Mor

The term fog computing (or fogging) was coined by Cisco in 2014, so it is new for the general public. Fog and cloud computing are interconnected. In nature, fog is closer to the earth than clouds; in the technological world, it is just the same, fog is closer to end-users, bringing cloud capabilities down to the ground What is Azure? The Azure cloud platform is more than 200 products and cloud services designed to help you bring new solutions to life—to solve today's challenges and create the future. Build, run and manage applications across multiple clouds, on-premises and at the edge, with the tools and frameworks of your choice. Start free ADVERTISEMENTS: Buyers and sellers in mature industrial markets can turn single transactions into long-term beneficial relationships by a deeper understanding of the complex connection between the two. A must-do for the sellers, in particular, is to understand patterns of investment and reward, and effectively manage the process that defines the dynamics of buyer-seller evolution. The [ Chapter 8 Public Key Cryptography 1. Each system generates a pair of keys. 2. Each system publishes its encryption key (public key) keeping its companion key private. 3. If Awishes to send a message to B it encrypts the message using B's public key. 4. When B receives the message, it decrypts the message using its private key. N 10. In the reading, Eckhardt, G. M., & Bardhi, F. (2015, January 28). The sharing economy isn't about sharing at all. Harvard Business Review, Sharing is described as a form of social exchange that takes place among people known to each other, without any profit. True. False. Marketing In Digital World Quiz Answer

Machine learning questions over here are designed as per the candidate requirements and has the capability to improve your technical and programming skills. It is quite simple to gain knowledge on topics like Deep Learning, Kernel methods, Statistics & probability, Machine Learning Algorithms, Docker and Containers, and many more In continuation of our Previous Article on ISTQB Software Testing Certification sample papers and tips to solve the questions quickly, we are posting the next set of ISTQB exam sample questions and answers with detailed evaluation for each option.. This is a guest article by N. Sandhya Rani There is no central issuing authority for bitcoin. This is the most important characteristic that makes it different from conventional money, that it is decentralized. The transactions are verified with the help of network nodes and recorded in a public general ledger called 'Blockchain' which takes bitcoin as unit of account GCN delivers technology assessments, recommendations, and case studies to support Public Sector IT managers who are responsible for the specification, evaluation and selection of technology solutions. And GCN accomplishes this by answering the questions that Public Sector IT professionals need to know in order to be effective and successful in their roles

Blockchain Flashcards Quizle

Software Engineering: (a) Is a set of rules about developing software products. (b) Has been around as a discipline since the early 50's. (c) Started as a response to the so-called 'Software Crisis' of the late 90's. (d) Is an engineering discipline concerned with all the aspects of software production Difficulty Level : Medium. Last Updated : 30 Apr, 2019. In this article, we will try to understand and compare different aspects of centralized, decentralized and distributed systems. 1. CENTRALIZED SYSTEMS: We start with centralized systems because they are the most intuitive and easy to understand and define Start studying Exam 3 Chapter 10 Warehousing Management (Multi). Learn vocabulary, terms, and more with flashcards, games, and other study tools

Online Blockchain Quiz Questions With Answers (Advanced

In UPSC Civil Services Prelims 2020, 60/100 questions came from IAS4Sure MCQ Factory & IAS4Sure Current notes. This year's Prelims paper was a bit unpredictable where long, factual questions were asked from basic sources and less weightage was given to current affairs. While in last year prelims IAS4Sure Notes were more useful, this year IAS4Sure's collection Learn Networking mcq questions and answers with easy and logical explanations. Networking Mcq questions are important for technical aptitude exams as well as technical interviews Cloud Computing Interview Questions And Answers For Freshers. Q1). What is cloud computing? Cloud computing is a new age computer technology that is internet based. It is the next generation technology that utilizes the web-based clouds to provide the services whenever and wherever the users need it

Best Blockchain Technology Quiz - Crack it in 3 Minutes

  1. Ask question section under upgradation. stay tune.... Copyright © 2021 Examveda.com. About Us | Terms & Condition | Privacy Policy | Contact U
  2. ations
  3. Obtaining Public key. The ElGamal public key consists of the three parameters (p, g, y). For example, suppose that p = 17 and that g = 6 (It can be confirmed that 6 is a generator of group Z 17). The private key x can be any number bigger than 1 and smaller than 71, so we choose x = 5
  4. g, is a problem-solving method in which the software solution reflects objects in the real world. A comprehensive introduction to object orientation as a whole would go far beyond the limits of this introduction to ABAP Objects
  5. A Glossary of Cryptographic Algorithms. November 21, 2017. Natasha Aidinyantz. Cryptography at its very core is math. Pure, simple, undiluted math. Math created the algorithms that are the basis for all encryption. And encryption is the basis for privacy and security on the internet. So, we love math. Even if it is a tad complicated
  6. One key capability of the organization of the future is the ability to form teams rapidly. This requires a clear understanding of each employee's skills. One huge organization that has mastered this capability is the US Department of Defense (DOD).

6 Key Blockchain Features You Need to Know No

Jun 03,2021 - UPSC Prelims Past Year 2020: Paper 1 (GS) | 100 Questions MCQ Test has questions of UPSC preparation. This test is Rated positive by 89% students preparing for UPSC.This MCQ test is related to UPSC syllabus, prepared by UPSC teachers Depending on the hospital management system software features, it can deal with a lot of tasks. It helps to outline and implement policies, guarantee communication and coordination between employees, automate routine tasks, design the patient-oriented workflows, advertise services, manage human and financial resources and provide the uninterrupted supply chain

Blockchain MCQ -2 20 Questions MCQ Tes

Sarbanes-Oxley Act of 2002. The PCAOB oversees the audits of public companies. As stated on their website, The PCAOB is a nonprofit corporation established by Congress to oversee the audits of public companies in order to protect the interests of investors and further the public IoT is amongst the major latest technologies that has already made its mark in various sectors. Its plethora of applications makes it a technology to look out for. However, people have been skeptic when it comes to its security. Read the below blog to know about the 10 biggest security challenges for IoT

Crytpgraphy and Blockchain-MCQ (1) - Which of the

UPSC Prelims 2020 General Studies Paper 1 Question Paper and Answer Key. 1. They can be used as carriers of drugs and antigens in the human body. 2. They can be made into artificial blood capillaries for an injured part of human body. 3. They can be used in biochemical sensors. 4. Carbon nanotubes are biodegradable Key Takeaways. The Delphi method is a process used to arrive at a group opinion or decision by surveying a panel of experts. Experts respond to several rounds of questionnaires, and the responses.

NPTEL provides E-learning through online Web and Video courses various streams Set L to 0 and R to n: 1. if L > R, then Binary_Search terminates as unsuccessful. else. Set m (the position in the mid element) to the floor of (L + R) / 2. if Am < T, set L to m + 1 and go to step 3. if Am > T, set R to m: 1 and go to step 3. Now, Am = T, the search is done; return (m Disadvantages of cloud computing explained. 1). Downtime. Downtime is often cited as one of the biggest disadvantages of cloud computing. Since cloud computing systems are internet-based, service outages are always an unfortunate possibility and can occur for any reason

  • IEX ONE.
  • E wallet PayPal.
  • Aktueller Goldpreis.
  • Install npm Linux.
  • EToro withdrawal currency.
  • Lokalhelden Raiffeisen.
  • Crowdfunding Primera Den Bosch doneren.
  • HIVE Blockchain.
  • Röstvärde aktier.
  • Airbnb advantages and disadvantages.
  • Beleggers nieuws.
  • 1 Gram of Silver price UK.
  • Kindred Avanza Forum.
  • Cgminer.
  • Offene Kalkulation Beispiel.
  • Stiftung Warentest april 2021.
  • Binance vs CoinJar.
  • UR Huye Campus.
  • MD 20/20 Punch.
  • Products from kickstarter.
  • Dollar forecast 2021.
  • Mini pool prijs.
  • Spin to win real cash sweepstakes.
  • Kinnarps Uppsala.
  • Andromeda APKPure.
  • Advies aandeel Befimmo.
  • Root brunch.
  • Hydropool 670 Gold review.
  • Inet Prisjakt.
  • 30000 czk to inr.
  • Finanzen net Musterdepot.
  • How much to buy one ethereum.
  • Nassau piratas capitán Flint.
  • Westgate Flamingo Bay Resort Deluxe Villa.
  • Utbildning investering fastigheter.
  • Bokföra logotyp.
  • Jämför den svenska regeringens reformer under 1930 talet med The New Deal i USA.
  • Wilson Pro Staff 97 red and black specs.
  • Apple Jobs.
  • What is sonar.
  • Motorola tv box Telia.