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MCQOPTIONS
This section includes 1361 Mcqs, each offering curated multiple-choice questions to sharpen your Technical Programming knowledge and support exam preparation. Choose a topic below to get started.
| 401. |
What makes Ajax unique? |
| A. | it works as a stand- alone web- development tool |
| B. | it works the same with all web browsers |
| C. | it uses c++ as its programming language |
| D. | it makes data requests asynchronously |
| Answer» E. | |
| 402. |
An operating system running on a Type VM is a full virtualization. |
| A. | 1 |
| B. | 2 |
| C. | 3 |
| D. | all of the mentioned |
| Answer» B. 2 | |
| 403. |
In para-virtualization, VMs run on hypervisor that interacts with the hardware. |
| A. | true |
| B. | false |
| Answer» C. | |
| 404. |
is used by Amazon Web Services to store copies of a virtual machine. |
| A. | ami |
| B. | emi |
| C. | imi |
| D. | application services |
| Answer» B. emi | |
| 405. |
virtualization abstracts networking hardware and software into a virtual network that can be managed. |
| A. | storage |
| B. | network |
| C. | software |
| D. | none of the mentioned |
| Answer» C. software | |
| 406. |
Amazon’s Elastic Compute Cloud (EC2) is a well known . |
| A. | virtual machine |
| B. | cloud storage |
| C. | paas |
| D. | soa |
| Answer» B. cloud storage | |
| 407. |
Cloud computing is an abstraction based on the notion of pooling physical resources andpresenting them as a resource. |
| A. | real |
| B. | virtual |
| C. | cloud |
| D. | none of the mentioned |
| Answer» C. cloud | |
| 408. |
computing refers to applications and services that run on a distributed networkusing virtualized resources. |
| A. | distributed |
| B. | cloud |
| C. | soft |
| D. | parallel |
| Answer» C. soft | |
| 409. |
The advantages of Ajax is |
| A. | bandwidth utilization |
| B. | more interactive |
| C. | speeder retrieval of data |
| D. | all of these |
| Answer» E. | |
| 410. |
The full form of AJAX is |
| A. | asynchronous javascript and xml |
| B. | another java and xml library |
| C. | abstract json and xml |
| D. | none of the mentioned |
| Answer» B. another java and xml library | |
| 411. |
How many technologies are used for most of the syndicated content on the Internet? |
| A. | 1 |
| B. | 2 |
| C. | 3 |
| D. | 4 |
| Answer» C. 3 | |
| 412. |
Which of the following was developed an alternative to XML syndication by IETF? |
| A. | atom publishing protocol |
| B. | atom subscribing protocol |
| C. | atom subscribe protocol |
| D. | none of the mentioned |
| Answer» B. atom subscribing protocol | |
| 413. |
is an application for collecting messages sent in RSS and Atom format from information providers. |
| A. | google reader |
| B. | yahoo mail |
| C. | emailrackspace |
| D. | all of the mentioned |
| Answer» B. yahoo mail | |
| 414. |
Which of the following has infrastructure security managed and owned by the vendor? |
| A. | hybrid |
| B. | private/community |
| C. | public |
| D. | none of the mentioned |
| Answer» C. public | |
| 415. |
Which of the following model type is not trusted in terms of security? |
| A. | public |
| B. | private |
| C. | hybrid |
| D. | none of the mentioned |
| Answer» B. private | |
| 416. |
Which of the following service model is owned in terms of infrastructure by both vendor and customer? |
| A. | public |
| B. | private |
| C. | hybrid |
| D. | none of the mentioned |
| Answer» D. none of the mentioned | |
| 417. |
Which of the following cloud does not require mapping? |
| A. | public |
| B. | private |
| C. | hybrid |
| D. | none of the mentioned |
| Answer» B. private | |
| 418. |
Which of the following model allows vendor to provide security as part of the Service Level Agreement? |
| A. | saas |
| B. | paas |
| C. | iaas |
| D. | all of the mentioned |
| Answer» B. paas | |
| 419. |
For the model, the security boundary may be defined for the vendor to include the software framework and middleware layer. |
| A. | saas |
| B. | paas |
| C. | iaas |
| D. | all of the mentioned |
| Answer» C. iaas | |
| 420. |
Which of the following functional cloud computing hardware/software stack is the Cloud Reference Model? |
| A. | cas |
| B. | csa |
| C. | sac |
| D. | all of the mentioned |
| Answer» B. csa | |
| 421. |
Which of the following is the operational domain of CSA(Cloud Security Alliance)? |
| A. | scalability |
| B. | portability and interoperability |
| C. | flexibility |
| D. | none of the mentioned |
| Answer» C. flexibility | |
| 422. |
The following flowchart is intended to evaluate in any cloud. |
| A. | risk |
| B. | errors |
| C. | inconsistencies |
| D. | none of the mentioned |
| Answer» B. errors | |
| 423. |
Which of the following is not the feature of Network management systems? |
| A. | accounting |
| B. | security |
| C. | performance |
| D. | none of the mentioned |
| Answer» E. | |
| 424. |
. Which of the following allows you to create instances of the MySQL database to support your Web sites? |
| A. | amazon elastic compute cloud |
| B. | amazon simple queue service |
| C. | amazon relational database service |
| D. | amazon simple storage system |
| Answer» D. amazon simple storage system | |
| 425. |
Which of the following is most important feature of cloud storage listed below? |
| A. | logon authentication |
| B. | bare file |
| C. | multiplatform support |
| D. | adequate bandwidth |
| Answer» B. bare file | |
| 426. |
Which of the following type of virtualization is also characteristic of cloud computing |
| A. | storage |
| B. | application |
| C. | cpu |
| D. | all of the mentioned |
| Answer» E. | |
| 427. |
Data stored in domains doesn’t require maintenance of a schema. |
| A. | simpledb |
| B. | sql server |
| C. | oracle |
| D. | rds |
| Answer» B. sql server | |
| 428. |
Which among the following is the duties of the Data Nodes |
| A. | manage file system namespace |
| B. | stores meta-data |
| C. | regulates client’s access to files |
| D. | perform read-write operation as per request for the clients |
| Answer» E. | |
| 429. |
Which scenario demands highest bandwidth for data transfer between nodes |
| A. | different nodes on the same rack |
| B. | nodes on different racks in the same data center. |
| C. | nodes in different data centers |
| D. | data on the same node |
| Answer» D. data on the same node | |
| 430. |
For the frequently accessed HDFS files the blocks are cached in |
| A. | the memory of the data node |
| B. | in the memory of the namenode |
| C. | both the above |
| D. | none of the above |
| Answer» B. in the memory of the namenode | |
| 431. |
Which among the following are the duties of the NameNodes |
| A. | manage file system namespace |
| B. | it is responsible for storing actual data |
| C. | perform read-write operation as per request for the clients |
| D. | none of the above |
| Answer» B. it is responsible for storing actual data | |
| 432. |
The need for data replication can arise in various scenarios like |
| A. | replication factor is changed |
| B. | datanode goes down |
| C. | data blocks get corrupted |
| D. | all of the above |
| Answer» E. | |
| 433. |
A file in HDFS that is smaller than a single block size |
| A. | cannot be stored in hdfs |
| B. | occupies the full block\s size. |
| C. | can span over multiple blocks |
| D. | occupies only the size it needs and not the full block |
| Answer» E. | |
| 434. |
What is HDFS Block in Hadoop? |
| A. | it is the logical representation of data |
| B. | it is the physical representation of data |
| C. | both the above |
| D. | none of the above |
| Answer» C. both the above | |
| 435. |
The namenode knows that the data node is active using a mechanism known as |
| A. | active pulse |
| B. | data pulse |
| C. | heartbeats |
| D. | h-signal |
| Answer» D. h-signal | |
| 436. |
Which among the following is the correct statement |
| A. | datanode manage file system namespace |
| B. | namenode stores metadata |
| C. | namenode stores actual data |
| D. | all of the above |
| Answer» C. namenode stores actual data | |
| 437. |
Which among the following command is used to copy a directory from one node to another in HDFS? |
| A. | rcp |
| B. | distcp |
| C. | dcp |
| D. | drcp |
| Answer» C. dcp | |
| 438. |
What is HDFS? |
| A. | storage layer |
| B. | batch processing engine |
| C. | resource management layer |
| D. | all of the above |
| Answer» B. batch processing engine | |
| 439. |
is a CPU emulator and virtual machine monitor |
| A. | imaging |
| B. | parallels |
| C. | qemu |
| D. | none of the mentioned |
| Answer» D. none of the mentioned | |
| 440. |
Amazon Machine Images are virtual appliances that have been packaged to run on the grid of nodes. |
| A. | ben |
| B. | xen |
| C. | ken |
| D. | zen |
| Answer» C. ken | |
| 441. |
Applications such as a Web server or database server that can run on a virtual machine image are referred to as |
| A. | virtual server |
| B. | virtual appliances |
| C. | machine imaging |
| D. | all of the mentioned |
| Answer» C. machine imaging | |
| 442. |
Communication between services is done widely using protocol |
| A. | rest |
| B. | soap |
| C. | restful |
| D. | none of the mentioned |
| Answer» D. none of the mentioned | |
| 443. |
has many of the characteristics of what is now being called cloud computing |
| A. | internet |
| B. | softwares |
| C. | web service |
| D. | all of the mentioned |
| Answer» B. softwares | |
| 444. |
Which of the cloud concept is related to pooling and sharing of resources |
| A. | polymorphism |
| B. | abstraction |
| C. | virtualization |
| D. | none of the mentioned |
| Answer» D. none of the mentioned | |
| 445. |
. as a utility is a dream that dates from the beginning of the computing industry itself |
| A. | model |
| B. | computing |
| C. | software |
| D. | all of the mentioned |
| Answer» C. software | |
| 446. |
computing refers to applications and services that run on a distributed network using virtualized resources. |
| A. | distributed |
| B. | cloud |
| C. | soft |
| D. | parallel |
| Answer» C. soft | |
| 447. |
is a function of the particular enterprise and application in an on- premises deployment. |
| A. | vendor lock |
| B. | vendor lock-in |
| C. | vendor lock-ins |
| D. | none of the mentioned |
| Answer» C. vendor lock-ins | |
| 448. |
The reputation for cloud computing services for the quality of those services is shared by |
| A. | replicas |
| B. | shards |
| C. | tenants |
| D. | all of the mentioned |
| Answer» D. all of the mentioned | |
| 449. |
Cloud are standardized in order to appeal to the majority of its audience. |
| A. | svas |
| B. | slas |
| C. | sals |
| D. | none of the mentioned |
| Answer» C. sals | |
| 450. |
Dynamodb is type of storage |
| A. | nonsql |
| B. | sql |
| C. | simple storage |
| D. | all of above |
| Answer» B. sql | |