Wizzy Learner

  1. Compile-time safety is provided in __ __ Answer: DataSet 2. Dataframe was introduced in which Spark release? Answer: spark 1.3 3. Dataset was introduced in which Spark release? Answer: spark 1.6 4. The main datatype in Catalyst that contains node objects Answer: tree 5. performs manipulations on the tree Answer: rule 6. Complex data types in Spark SQL are Answer: ArrayType and MapType 7. Numeric data type in Spark SQL is Answer: bytetype 8. which of the following provide object-oriented programming interface? Answer: dataset 9. User-defined aggregations in Spark SQL Answer: both 10. Data types in Spark SQL are Answer: both 11. Data is represented as rows internally and JVM Objects externally in Answer: dataset 12. Built-in aggregations like functions designed for DataFrames Answer: all 13. To implement a custom untyped user-defined aggregation function, the user has to extend the which class Answer: UserDefinedAggregateFunction 14. __ ______ is the entry point to...

  1.  Ansible acquired by Answer: Red Hat 2.  Which configuration management software is Agentless? Answer: Ansible 3.  Design goals of Ansible include Answer: all 4.  Ansible can deploy to virtualization and cloud environments, Including Answer: all 5.  Ansible is Answer: all 6.  Which of the following is a valid YAML syntax? Answer: path: F:\test 7.  YAML uses tabs for indentation, True or false? Answer: FALSE 8.  Which module can be used to copy files from remote machine to control machine? Answer: fetch 9.  Which one is not a valid value of state argument of "file" module? Answer: folder 10. Where is Inventory file located by default? Answer: /etc/ansible/hosts 11. Which command tells ansible to run the playbook on all the hosts except host1? Answer: ansible-playbook playbooks/PLAYBOOK_NAME.yml --limit 'all:!host1' 12. If you do not need any facts from the host, what command would you use? Answer: both gather_facts: no or...

1. Which query parameter specifies the type of data? Answer: Metrics   2. Apigee helps you to diagnose app performance by _____. Answer: All of the options   3. _________ attribute is used to limit the results. Answer: Filter   4. Apigee’s analytics metrics helps in ____ monitoring. Answer: Both the options   5. By default, the dashboards are maintained for ______ months. Answer: 12   6. When using filter you should use _____ as a property. Answer: Dimensions   7. By default, the Custom is maintained for ______ months. Answer: 6   8. Apigee analytics allows you to export the data in ____ format. Answer: csv   8. runload.js also applies a ______ function, so that the number of calls it actually makes varies randomly around a specified number. Answer: Gaussian   9. ____ lets you choose which set of data you want to plot. Answer: Plot selectors   10. You can extract the returned access_token...

1. A Standard_A7 virtual machine would be considered for     Answer: High Memory Entry Level 2. Which of the following is supported on Azure virtual machines     Answer: Generation 1 virtual machines 3. Which Windows Server feature(s) is / are not supported on Azure virtual machines     Answer: Multipath I/O and Network Load Balancing     4. An Azure Standard_A4 virtual machines has __ __ cores     Answer: 8     5. You have to create a custom virtual machine (VM). Also, you have to upload the VM to Azure. What is the first step to start     Answer: Create a VHD file 6. Use the following command to create a virtual machine with Resource Manager     Answer: New-AzureRMVM     7. Which of the following is the file format for the Resource Manager template     Answer: JSON     8. You are using the Set-AzureRMVMSourceImage command with the -Version parameter. You wish to ensure...

1. Which of the following statements is correct? Answer: All the options mentioned 2. Azure data is replicated times for data protection and writes are checked for consistency. Answer: three 3. What VPN types are supported by Azure? Answer: All the options 4. What VM series should you consider, if you want host applications that require high-performance IO for persisted data? Answer: D-series 5. Which of the following individual components are included on HDInsight clusters? Answer: All the options mentioned 6. Is it possible to create a custom Domain name, or use your organizations domain name, such as fresco.com, in Azure Active Directory? Answer: True   7. Microsoft Azure Active Directory can be integrated with on-premises Active Directory to allow single sign-on. Answer: True 8. What is the format of an Azure Resource Template Answer: JSON 9. Microsoft and Hortonworks joined their forces to make Hadoop available on ___ for on-premise deployments Answer: Windows Server ...

1. Your Azure storage account is always replicated to ensure durability and high availability. By default, which of the following replications schemes is used? Answer : RA-GRS 2. In which type of Storage replication, data is not replicated across multiple datacenters? Answer : LRS 3. What type of storage account is backed by magnetic drives and provides the lowest cost per GB? Answer : Standard 4. The maximum size for a file share is 5 TBs. Answer : True 5. Premium storage disks for virtual machines support up to 64 TBs of storage. Answer : True 6. Geo-replication is enabled by default in Windows Azure Storage. Answer : Yes 7. If you choose this redundancy strategy, you cannot convert to another redundancy strategy without creating a new storage account and copying the data to the account. Answer : ZRS 8. Which type of storage offering uses SSDs and is intended for use with Virtual machines? Answer : Premium 9. You add a data disk to an Azure virtual machine. What drive type is created...

1. Default Private IP address allocation method is. Answer: dynamic ​ 2. When should you use a static IP address? Answer: DNS Server 3. Microsoft uses industry standard _______________ dynamic routing protocol to exchange routes between your on-premises network, your instances in Azure, and Microsoft public addresses. Answer: EGP 4. A subnet is a range of IP addresses in a __. Answer: VNet 5. Which connection configuration offers faster speeds, higher security, lower latencies and higher reliability? Answer: ExpressRoute 6. Which Azure networking component is the core unit, from which administrators can have full control over IP address assignments, name resolution, security settings and routing rules? Answer: Virtual Networks (VNETs) 7. _______________ is used to route the traffic between virtual machines inside your pirvate virtual network. Answer: Azure Internal Load Balancers 8. ExpressRoute connections enable access to the _________. Answer: All of the mentioned

1. Which of the following Windows Server roles is not supported on Azure Virtual Machines? Answer: Hyper-V ​ 2. The smallest recommended virtual machine size in Azure for a production environment is: Answer: A1 3. Azure supports both .vhd and .vhdx file formats for Virtual Machines. Answer: False ​ 4. To how many resource groups can a resource be added? Answer: 1 ​ 5. The VM size determines the number of __. Answer: NIC ​ 6. Which of the following helps Azure maintain high availability and fault tolerance when deploying and upgrading applications. Answer: Availability set 7. You need to deploy a virtual machine on Azure with a low memory entry level requirement. Which virtual machine sizes should you consider choosing? Answer: BasicA0- BasicA4 ​ 8. You can estimate costs you will incur on Azure by using which tool? Answer: Pricing Calculator ​ 9. Most types of resource can be moved to a different resource group at _______ Answer: Anytime 10. Azure Virtual Machines only suppor...

1. Capacity testing _. Answer: is a critical testing and helps to verify technical aspects 2. Accurev is a _ system. Answer: Stream Based Version Control 3. __ __________ testing was derived from hardware testing. Answer: Smoke ​ 4. The continuous deployment must be followed to practice continuous delivery. Answer: True ​ 5. Large scale changes to an application can be achieved using __. Answer: Branch by Abstraction ​ 6. Collection of executable codes is known as. Answer: Binaries ​ 7. A build can be triggered by a version control tool. Answer: True ​ 8. A build that fails __ stage will not be deployable. Answer: Acceptance 9. People who do the deployment should be part of creating the deployment process. Answer: True ​ 10. Dependencies between components must be represented using . Answer: Directed acyclic graph ​ 11. Time taken to fix a broken build is measured using __. Answer: Build repair rate ​ 12. Build-time dependency should be present when an application is run. A...

1. Tree testing is not similar to card sorting. Answer: False 2. For users from other nationalities, it is enough to offer a product translated in their respective languages. Answer: False 3. It’s sequential art, where images are arrayed together to visualize the story Answer: Storyboard 4. People with low uncertainty avoidance are restricted to new ideas. Answer: False 5. Surveys and questionnaires are primarily used for collecting information from a large number of users. Answer: True 6. A fictitious representation of a group of users is, Answer: User Persona 7. Card sorts are used to generate information architecture. Answer: True 8. If time is a constraint, the quickest deliverable format is an email message or word document. Answer: True 9. A Stakeholder could only be clients/customers. Answer: False 10. User Research is not the first step of a UX design process. Answer: False 11. Tree testing is similar to card sorting. Answer: False 12. A/B Testing involves having an...

  Learning is not attained by chance, it must be sought for with ardor and attended to with diligence. -  Abigail Adams

1. Which of the following is not a in-built Ionic template Answer: NAVIGATION 2. Which of the following files has the ionic styles? Answer: ionic css 3. Which of the following files contains all required JS files for Ionic and Angular? Answer: ionic.bundle.min.js 4. Which of the following folders contains icons in Ionic? Answer: fonts 5. Which of the following statement is not true about the IONIC framework? Answer: It is built on top of Cascading, Scalding, C++ and NodeJs 6. Which of the following includes device APIs that allow accessing native device features like camera or maps? Answer: CORDOVA 7. Which of the following classes can be used to create a button that occupies the entire width of the screen? Answer: button-block 8. Which of the following tags display a button with rounded corners? Answer: both the options 9.Which of the following classes can be used to group a set of items in a List? Answer: item-divider 10. Which of the following classes can be used to create ...

1. NoSQL databases are designed to expand _________. Answer: horizontally 2. _______ distributes different data across multiple servers. Answer: shrading 3. Horizontal scaling approach tends to be cheaper as the number of operations and the size of the data increases. Answer: true 4. Limitations of RDBMS are __ ____________. Answer: Scalability/Database design complexity 5. Full-form of 'CRUD' is _________. Answer: Create-Read-Update-Delete 6. A Riak convergent replicated data type (CRDT) includes __ ______. Answer: Maps/Sets/Counters 7. Key-value pair data storages include all except __ ______. Answer: Network Attached Storage 8. The RDBMS 'table' equivalent terminology in Riak is __ ______. Answer: bucket 9. A Key-value store does not support Secondary Indexes. Answer: False 10. Cassandra has properties of both __ ________ and __ __________ . Answer: Google Bigtable / Amazon Dynamo 11. In column-oriented stores, data is stored on a __ __________ basis. Answ...

1. Which cloud offering focuses on the consumption of services? Answer: SaaS 2. Which of the following statements are correct? Answer: All the options mentioned ​ 3. Which one of the following services is a NoSQL data store? Answer: Tables ​ 4. You can view the latest data center map and Pay as You Go subscription information in (the) ? Answer: Azure DashBoard ​ 5. In which operating system, we can use Azure PowerShell? Answer: Windows OS ​ 6. Azure is Microsoft’s ___ as a Service Web hosting service. Answer: Infrastructure ​ 7. In which operating system, we can use Azure CLI? Answer: All the options mentioned ​ 8. High available applications are. Answer: All the options mentioned ​ 9. When using Azure Resource Manager, you can use a _______________ for deployment, which can build identical environments for different work scenarios such as testing, staging, and production. Answer: Template ​ 10. The new Azure Portal is accessed using ___________. Answer: https: \\ portal.azur...