EMC meilleur examen E10-001, questions et réponses

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Code d'Examen: E10-001
Nom d'Examen: EMC (Information Storage and Management Exam Version 2)
Questions et réponses: 200 Q&As

E10-001 Démo gratuit à télécharger: http://www.pass4test.fr/E10-001.html

NO.1 Which cache management algorithm is based on the assumption that data will not be requested by the
host when it has not been accessed for a while?
A. LRU
B. HWM
C. LWM
D. MRU
Answer: A

EMC   certification E10-001   E10-001   E10-001 examen

NO.2 What is needed to perform a non-disruptive migration of virtual machines (VMs) between hypervisors?
A. Hypervisors must have access to the same storage volume
B. Physical machines running hypervisors must have the same configuration
C. Hypervisors must be running within the same physical machine
D. Both hypervisors must have the same IP address
Answer: A

EMC   E10-001 examen   E10-001 examen   certification E10-001

NO.3 What is a characteristic of unified storage?
A. Supports multiple protocols for data access and managed through a single management interface
B. Supports a common protocol for data access and managed through a unified management interface
C. Provides compute, storage, and network virtualization products in one solution
D. Stores all data in the form of objects and managed through a unified management interface
Answer: A

certification EMC   E10-001   certification E10-001

NO.4 What is a key security consideration when a NAS device enables sharing of the same data among
UNIX and Microsoft Windows users?
A. NAS device must map UNIX permissions to Windows and vice versa
B. NAS defines and maintains ownership to the objects
C. NIS server must separately maintain SIDs for UNIX and Windows environments
D. Object permissions are not defined in advance and assigned dynamically
Answer: A

EMC examen   E10-001 examen   E10-001   E10-001

NO.5 What is a key benefit of virtualization?
A. Improved resource utilization
B. Improved performance
C. Enhanced interoperability
D. Unlimited resource scaling
Answer: A

certification EMC   E10-001   E10-001 examen   E10-001   E10-001

NO.6 An organization performs copy on first access (CoFA) replication to create a local replica of application
data. To perform a successful restore, what should be considered?
A. Source devices must be healthy
B. Save location size must be larger than the size of all source devices
C. Save location size must be equal to the size of all source devices
D. All changes to the source and replica must be discarded before the restore starts
Answer: A

EMC examen   certification E10-001   certification E10-001

NO.7 What does the area ID of the FC address identify.?
A. Group of ports within a switch
B. An individual port within a fabric
C. Location of the name server within the fabric
D. Unique number provided to each switch in the fabric
Answer: A

certification EMC   E10-001 examen   E10-001

NO.8 Which cloud computing capability enables monitoring and reporting resource usage?
A. Metering
B. Pooling
C. Self-service requesting
D. Publishing
Answer: A

EMC   certification E10-001   E10-001 examen   E10-001 examen   E10-001 examen

NO.9 Which cloud computing characteristic enables consumers to grow and shrink the demand for
resources dynamically?
A. Rapid elasticity
B. Resource pooling
C. Measured service
D. On-demand self-service
Answer: A

EMC   E10-001   E10-001   certification E10-001   E10-001   E10-001 examen

NO.10 Which operation is performed while creating a VM snapshot?
A. Create a delta file to record changes to the virtual disk since the session is activated
B. Capture the configuration data of a VM to create an identical copy of the VM
C. Create a journal volume to update changes to the snapshot
D. Create a Gold
copy of the snapshot before copying changes to the virtual disk
Answer: A

EMC   E10-001   E10-001   E10-001   E10-001

NO.11 Which iSCSI name requires an organization to own a registered domain name?
A. IQN
B. EUI
C. WWNN
D. WWPN
Answer: A

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NO.12 Which EMC product provides the capability to recover data up to any point-in-time?
A. RecoverPoint
B. NetWorker
C. Avamar
D. Data Domain
Answer: A

EMC   E10-001   E10-001

NO.13 What describes a landing zone in a disk drive?
A. Area on which the read/write head rests
B. Area where the read/write head lands to access data
C. Area where the data is buffered before writing to platters
D. Area where sector-specific information is stored on the disk
Answer: A

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NO.14 What is an accurate statement about the Data Center Bridging Exchange protocol?
A. Enables Converged Enhanced Ethernet (CEE) devices to convey and configure their features with
other CEE devices
B. Creates virtual FCoE links over an existing Ethernet network to transport FC frames over virtual links
independently
C. Enables an FCoE switch to send signals to other FCoE switches that need to stop or slow down their
transmissions
D. Enables an FCoE switch to transport both TCP/IP and FC frames over a single virtual FCoE link
Answer: A

EMC   E10-001 examen   E10-001 examen

NO.15 Which host component eliminates the need to deploy separate adapters for FC and Ethernet
communications?
A. Converged network adapter
B. TCP Offload Engine NIC
C. FCIP bridging adapter
D. iSCSI host bus adapter
Answer: A

EMC examen   E10-001   certification E10-001   E10-001   E10-001

NO.16 What defines the time taken to position the read/write head across the platter with a radial movement
in a disk drive?
A. Seek time
B. Rotational latency
C. Data transfer time
D. Service time
Answer: A

EMC   E10-001   E10-001   E10-001   E10-001 examen

NO.17 Which data center requirement refers to applying mechanisms that ensure data is stored and retrieved
as it was received?
A. Integrity
B. Availability
C. Security
D. Performance
Answer: A

EMC examen   certification E10-001   certification E10-001   E10-001   E10-001 examen

NO.18 What is a function of unified management software in cloud computing?
A. Defining cloud service attributes
B. Consolidating infrastructure resources scattered across one or more data centers
C. Metering based on usage of resources by the consumer
D. Providing an interface to consumers to request cloud services
Answer: A

EMC   E10-001 examen   E10-001   E10-001   E10-001

NO.19 Which statement describes a denial of service attack?
A. Prevents authorized users from accessing the resources and services
B. Prohibits attempts to repair the resources and services after an attack
C. Attempts to provide false information by impersonating someone s identity
D. Prevents unauthorized users to access the resources and services
Answer: A

EMC examen   E10-001 examen   E10-001   E10-001

NO.20 What is a benefit of cloud computing over traditional computing?
A. Reduces the time to provision and deploy new applications
B. Eliminates consumer's IT operational expenditure
C. Enables the use of proprietary APIs to access IT resources
D. Lowers migration cost and prevents vendor lock-in
Answer: A

EMC   E10-001 examen   E10-001 examen

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Code d'Examen: E10-001
Nom d'Examen: EMC (Information Storage and Management Exam Version 2)
Questions et réponses: 200 Q&As

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E10-001 Démo gratuit à télécharger: http://www.pass4test.fr/E10-001.html

NO.1 Which cloud computing capability enables monitoring and reporting resource usage?
A. Metering
B. Pooling
C. Self-service requesting
D. Publishing
Answer: A

certification EMC   E10-001   E10-001   E10-001   E10-001

NO.2 Which statement describes a denial of service attack?
A. Prevents authorized users from accessing the resources and services
B. Prohibits attempts to repair the resources and services after an attack
C. Attempts to provide false information by impersonating someone s identity
D. Prevents unauthorized users to access the resources and services
Answer: A

EMC   E10-001   E10-001   certification E10-001

NO.3 What does the area ID of the FC address identify.?
A. Group of ports within a switch
B. An individual port within a fabric
C. Location of the name server within the fabric
D. Unique number provided to each switch in the fabric
Answer: A

EMC   E10-001   E10-001 examen   E10-001

NO.4 What describes a landing zone in a disk drive?
A. Area on which the read/write head rests
B. Area where the read/write head lands to access data
C. Area where the data is buffered before writing to platters
D. Area where sector-specific information is stored on the disk
Answer: A

EMC   E10-001   E10-001 examen   E10-001

NO.5 Which cloud computing characteristic enables consumers to grow and shrink the demand for
resources dynamically?
A. Rapid elasticity
B. Resource pooling
C. Measured service
D. On-demand self-service
Answer: A

EMC examen   certification E10-001   certification E10-001   E10-001

NO.6 An organization performs copy on first access (CoFA) replication to create a local replica of application
data. To perform a successful restore, what should be considered?
A. Source devices must be healthy
B. Save location size must be larger than the size of all source devices
C. Save location size must be equal to the size of all source devices
D. All changes to the source and replica must be discarded before the restore starts
Answer: A

EMC   E10-001   E10-001   E10-001 examen

NO.7 Which iSCSI name requires an organization to own a registered domain name?
A. IQN
B. EUI
C. WWNN
D. WWPN
Answer: A

EMC   certification E10-001   E10-001   E10-001   E10-001

NO.8 What is a characteristic of unified storage?
A. Supports multiple protocols for data access and managed through a single management interface
B. Supports a common protocol for data access and managed through a unified management interface
C. Provides compute, storage, and network virtualization products in one solution
D. Stores all data in the form of objects and managed through a unified management interface
Answer: A

certification EMC   E10-001   E10-001

NO.9 What is an accurate statement about the Data Center Bridging Exchange protocol?
A. Enables Converged Enhanced Ethernet (CEE) devices to convey and configure their features with
other CEE devices
B. Creates virtual FCoE links over an existing Ethernet network to transport FC frames over virtual links
independently
C. Enables an FCoE switch to send signals to other FCoE switches that need to stop or slow down their
transmissions
D. Enables an FCoE switch to transport both TCP/IP and FC frames over a single virtual FCoE link
Answer: A

EMC   E10-001   E10-001

NO.10 What is a key security consideration when a NAS device enables sharing of the same data among
UNIX and Microsoft Windows users?
A. NAS device must map UNIX permissions to Windows and vice versa
B. NAS defines and maintains ownership to the objects
C. NIS server must separately maintain SIDs for UNIX and Windows environments
D. Object permissions are not defined in advance and assigned dynamically
Answer: A

EMC examen   certification E10-001   E10-001

NO.11 What is a key benefit of virtualization?
A. Improved resource utilization
B. Improved performance
C. Enhanced interoperability
D. Unlimited resource scaling
Answer: A

EMC   certification E10-001   E10-001 examen

NO.12 What is a benefit of cloud computing over traditional computing?
A. Reduces the time to provision and deploy new applications
B. Eliminates consumer's IT operational expenditure
C. Enables the use of proprietary APIs to access IT resources
D. Lowers migration cost and prevents vendor lock-in
Answer: A

EMC   certification E10-001   E10-001

NO.13 Which cache management algorithm is based on the assumption that data will not be requested by the
host when it has not been accessed for a while?
A. LRU
B. HWM
C. LWM
D. MRU
Answer: A

EMC   E10-001   certification E10-001

NO.14 Which EMC product provides the capability to recover data up to any point-in-time?
A. RecoverPoint
B. NetWorker
C. Avamar
D. Data Domain
Answer: A

certification EMC   E10-001 examen   E10-001

NO.15 What is a function of unified management software in cloud computing?
A. Defining cloud service attributes
B. Consolidating infrastructure resources scattered across one or more data centers
C. Metering based on usage of resources by the consumer
D. Providing an interface to consumers to request cloud services
Answer: A

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NO.16 What is needed to perform a non-disruptive migration of virtual machines (VMs) between hypervisors?
A. Hypervisors must have access to the same storage volume
B. Physical machines running hypervisors must have the same configuration
C. Hypervisors must be running within the same physical machine
D. Both hypervisors must have the same IP address
Answer: A

EMC   E10-001   certification E10-001

NO.17 Which host component eliminates the need to deploy separate adapters for FC and Ethernet
communications?
A. Converged network adapter
B. TCP Offload Engine NIC
C. FCIP bridging adapter
D. iSCSI host bus adapter
Answer: A

EMC   E10-001   E10-001   certification E10-001   E10-001

NO.18 Which data center requirement refers to applying mechanisms that ensure data is stored and retrieved
as it was received?
A. Integrity
B. Availability
C. Security
D. Performance
Answer: A

EMC examen   E10-001   certification E10-001   E10-001   certification E10-001

NO.19 Which operation is performed while creating a VM snapshot?
A. Create a delta file to record changes to the virtual disk since the session is activated
B. Capture the configuration data of a VM to create an identical copy of the VM
C. Create a journal volume to update changes to the snapshot
D. Create a Gold
copy of the snapshot before copying changes to the virtual disk
Answer: A

certification EMC   E10-001   E10-001   E10-001   E10-001

NO.20 What defines the time taken to position the read/write head across the platter with a radial movement
in a disk drive?
A. Seek time
B. Rotational latency
C. Data transfer time
D. Service time
Answer: A

EMC   E10-001   E10-001 examen

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Certification EMC de téléchargement gratuit pratique d'examen E20-814 E20-007 E20-880 E10-001 E20-326, questions et réponses

Les produits de Pass4Test sont préparés pour le test Certification EMC E20-814 E20-007 E20-880 E10-001 E20-326, y compris les formations et les informations ciblées au test EMC E20-814 E20-007 E20-880 E10-001 E20-326. D'ailleurs, la Q&A de Pass4Test qui est impressionnée par la grande couverture des questions et la haute précision des réponses vous permet à réussir le test avec une haute note.

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Code d'Examen: E20-814

Nom d'Examen: EMC (Symmetrix Solutions Expert Exam for Storage Administrators)

Questions et réponses: 116 Q&As

Code d'Examen: E20-007

Nom d'Examen: EMC (Data Science and Big Data Analytics)

Questions et réponses: 165 Q&As

Code d'Examen: E20-880

Nom d'Examen: EMC (VNX Solutions Expert Exam for Technology Architects)

Questions et réponses: 128 Q&As

Code d'Examen: E10-001

Nom d'Examen: EMC (Information Storage and Management Exam Version 2)

Questions et réponses: 185 Q&As

Code d'Examen: E20-326

Nom d'Examen: EMC (Symmetrix Solutions Design Exam)

Questions et réponses: 132 Q&As

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NO.1 The web analytics team uses Hadoop to process access logs. They now want to correlate this data
with structured user data residing in a production single-instance JDBC database. They collaborate with
the production team to import the data into Hadoop. Which tool should they use?
A. Sqoop
B. Pig
C. Chukwa
D. Scribe
Answer: A

EMC   E20-007   E20-007   E20-007

NO.2 When creating a presentation for a technical audience, what is the main objective?
A. Show that you met the project goals
B. Show how you met the project goals
C. Show if the model will meet the SLA
D. Show the technique to be used in the production environment
Answer: B

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NO.3 Which word or phrase completes the statement? Data-ink ratio is to data visualization as __________ .
A. Confusion matrix is to classifier
B. Data scientist is to big data
C. Seasonality is to ARIMA
D. K-means is to Naive Bayes
Answer: A

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NO.4 A data scientist plans to classify the sentiment polarity of 10, 000 product reviews collected from the
Internet. What is the most appropriate model to use? Suppose labeled training data is available.
A. Na ve Bayesian classifier
B. Linear regression
C. Logistic regression
D. K-means clustering
Answer: A

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NO.5 In which lifecycle stage are test and training data sets created?
A. Model building
B. Model planning
C. Discovery
D. Data preparation
Answer: A

EMC examen   E20-007   E20-007

NO.6 Which data asset is an example of quasi-structured data.?
A. Webserver log
B. XML data file
C. Database table
D. News article
Answer: A

EMC   E20-007   E20-007 examen   E20-007

NO.7 When would you use GROUP BY ROLLUP clause in your OLAP query?
A. where all subtotals and grand totals are to be included in the output
B. where only the subtotals are to be included in the output
C. where only the grand totals are to be included in the output
D. where only specific subtotals and grand totals for a combination of variables are to be included in the
output
Answer: A

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NO.8 In data visualization, what is used to focus the audience on a key part of a chart?
A. Emphasis colors
B. Detailed text
C. Pastel colors
D. A data table
Answer: A

EMC examen   E20-007   E20-007

NO.9 Your colleague, who is new to Hadoop, approaches you with a question. They want to know how best
to access their data. This colleague has a strong background in data flow languages and programming.
Which query interface would you recommend?
A. Pig
B. Hive
C. Howl
D. HBase
Answer: A

EMC   certification E20-007   E20-007   E20-007

NO.10 What does the R code
z <- f[1:10, ]
do?
A. Assigns the first 10 rows of f to the vector z
B. Assigns the 1st 10 columns of the 1st row of f to z
C. Assigns a sequence of values from 1 to 10 to z
D. Assigns the 1st 10 columns to z
Answer: A

EMC   certification E20-007   E20-007   E20-007

NO.11 Your company has 3 different sales teams. Each team's sales manager has developed incentive offers
to increase the size of each sales transaction. Any sales manager whose incentive program can be
shown to increase the size of the average sales transaction will receive a bonus.
Data are available for the number and average sale amount for transactions offering one of the incentives
as well as transactions offering no incentive.
The VP of Sales has asked you to determine analytically if any of the incentive programs has resulted in a
demonstrable increase in the average sale amount. Which analytical technique would be appropriate in
this situation?
A. One-way ANOVA
B. Multi-way ANOVA
C. Student's t-test
D. Wilcoxson Rank Sum Test
Answer: A

EMC   certification E20-007   E20-007

NO.12 Consider a database with 4 transactions:
Transaction 1: {cheese, bread, milk}
Transaction 2: {soda, bread, milk}
Transaction 3: {cheese, bread}
Transaction 4: {cheese, soda, juice}
The minimum support is 25%. Which rule has a confidence equal to 50%?
A. {bread,milk} => {cheese}
B. {bread} => {milk}
C. {juice} => {soda}
D. {bread} => {cheese}
Answer: D

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NO.13 In R, functions like plot() and hist() are known as what?
A. generic functions
B. virtual methods
C. virtual functions
D. generic methods
Answer: B

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NO.14 What would be considered "Big Data"?
A. An OLAP Cube containing customer demographic information about 100,000,000 customers
B. Daily Log files from a web server that receives 100,000 hits per minute
C. Aggregated statistical data stored in a relational database table
D. Spreadsheets containing monthly sales data for a Global 100 corporation
Answer: B

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NO.15 Consider a database with 4 transactions:
Transaction 1: {cheese, bread, milk}
Transaction 2: {soda, bread, milk}
Transaction 3: {cheese, bread}
Transaction 4: {cheese, soda, juice}
You decide to run the association rules algorithm where minimum support is 50%. Which rule has a
confidence at least 50%?
A. {cheese} => {bread}
B. {juice} => {cheese}
C. {milk} => {soda}
D. {soda} => {milk}
Answer: A

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NO.16 What is an appropriate data visualization to use in a presentation for an analyst audience?
A. Pie chart
B. Area chart
C. Stacked bar chart
D. ROC curve
Answer: D

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NO.17 Which type of numeric value does a logistic regression model estimate?
A. Probability
B. A p-value
C. Any integer
D. Any real number
Answer: A

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NO.18 You are using the Apriori algorithm to determine the likelihood that a person who owns a home has a
good credit score. You have determined that the confidence for the rules used in the algorithm is > 75%.
You calculate lift = 1.011 for the rule, "People with good credit are homeowners". What can you determine
from the lift calculation?
A. Support for the association is low
B. Leverage of the rules is low
C. The rule is coincidental
D. The rule is true
Answer: C

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NO.19 Under which circumstance do you need to implement N-fold cross-validation after creating a
regression model?
A. There is not enough data to create a test set.
B. The data is unformatted.
C. There are missing values in the data.
D. There are categorical variables in the model.
Answer: A

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NO.20 You are using MADlib for Linear Regression analysis. Which value does the statement return?
SELECT (linregr(depvar, indepvar)).r2 FROM zeta1;
A. Goodness of fit
B. Coefficients
C. Standard error
D. P-value
Answer: A

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