ism120-172

Descripción

Test sobre ism120-172, creado por Matilda Morrison el 11/07/2017.
Matilda Morrison
Test por Matilda Morrison, actualizado hace más de 1 año
Matilda Morrison
Creado por Matilda Morrison hace casi 7 años
258
5

Resumen del Recurso

Pregunta 1

Pregunta
What is a benefit of using content addressed storage (CAS) as an archival solution?
Respuesta
  • Provides the ability to perform production operations on the CAS
  • Supports location independence using different content IDs for an object
  • Ensures content authenticity and integrity
  • Enables modification of archived data

Pregunta 2

Pregunta
What is determined based on the recovery point objective in an asynchronous remote replication?
Respuesta
  • Size of the replica
  • Size of the buffer
  • Response time
  • Location of the source

Pregunta 3

Pregunta
What is an accurate statement about full volume replication?
Respuesta
  • Target device is at least as large as the source device
  • Target device is accessible only after the replication sessionstarts
  • Target and source devices should be on different storage arrays
  • Target device requires only a fraction of the space used by the source device

Pregunta 4

Pregunta
What is an accurate statement about a virtual machine (VM) snapshot?
Respuesta
  • Provides the capability to delete the parent VM once the snapshot is created
  • Captures the state and data of a running VM at a specific point-in-time
  • Runs as an independent copy from the parent VM
  • Provides the capability to restore VM data to any point-in-time

Pregunta 5

Pregunta
What is a benefit of deploying a multi-site storage system-based remote replication solution?
Respuesta
  • Requires low networkbandwidth to perform synchronous replication
  • Provides the capability to recover data to any point-in-time
  • Enables a consistent near-zero RPO in the event of source and remote site failures
  • Ensures disaster recovery protection remains available in the event of source or remote site failures

Pregunta 6

Pregunta
Which EMC product provides a remote replication solution for EMC VMAX3 storage systems?
Respuesta
  • ProtectPoint
  • MirrorView
  • SnapSure
  • SRDF

Pregunta 7

Pregunta
What determines how far back the recovery points can go in a continuous data protection (CDP) solution?
Respuesta
  • Size of the CDP appliance used for replication
  • Type of write splitter used for replication
  • Amount of space that is configured for the journal
  • Size of the source and replica volumes

Pregunta 8

Pregunta
What is a benefit of implementing a virtual machine (VM) storage migration?
Respuesta
  • Improves the security of applications running inside VMs on the migrated storage system
  • Balances storage utilization by redistributingVMs across different storage systems
  • Enables VMs to keep functioning even if the source data is lost due to a failure
  • Reduces the overall storage systemcapacity requirements for organizations

Pregunta 9

Pregunta
What is an accurate statement about hypervisor-based continuous data protection (CDP)?
Respuesta
  • Journal and replica use the same storage volume
  • Journal is stored in a virtual machine
  • Write splitter is embedded in the hypervisor
  • Virtual appliance runs on a storage system

Pregunta 10

Pregunta
What is an example of an active attack on an IT infrastructure?
Respuesta
  • Attempt to gain access to the data in transit
  • Attempt to gain unauthorized access into the system
  • Attempt tocopy the data from the storage system
  • Attempt to modify information for malicious purposes

Pregunta 11

Pregunta
What is compromised by a passive attack on an IT infrastructure?
Respuesta
  • Integrity
  • Confidentiality
  • Availability
  • Repudiation

Pregunta 12

Pregunta
What is an accurate statement about a denial-of-service attack?
Respuesta
  • Intentional misuse of privileges to compromisedata security
  • Prevents legitimate users from accessing resources or services
  • Captures a user’s credentials and then sends to the attacker
  • Gaining unauthorized access to a user’s accounts and data

Pregunta 13

Pregunta
Which attack is carried out by sending a spoofing e-mail and redirecting a user to a false website?
Respuesta
  • Repudiation
  • Man-in-the-middle
  • Denial-of-service
  • Phishing

Pregunta 14

Pregunta
What accurately describes an attack vector in an IT infrastructure?
Respuesta
  • Amount of effort required to exploit vulnerabilities in the infrastructure
  • Various entry points that can be used to launch an attack
  • Series of steps that must be followed in order to complete an attack
  • Process of identifying the system components under attack

Pregunta 15

Pregunta
What is a benefit of deploying a Defense in Depth strategy?
Respuesta
  • Provides additional time for organizations to detect and respond to an attack
  • Eliminates the attack vector from the IT infrastructure
  • Enables organizations to deploy a unified security solution
  • Eliminates the attack surface from the IT infrastructure

Pregunta 16

Pregunta
In an FC SAN environment, an administrator wants to ensure that a particular switch port cannot function as an E_Port and cannot be used to create an interswitch link. Which security mechanism should the administrator use?
Respuesta
  • Port binding
  • Port type locking
  • Persistent port disable
  • Fabric binding

Pregunta 17

Pregunta
In an FC SAN environment, which security mechanism prevents a switch port from being enabled even after a switch reboot?
Respuesta
  • Port binding
  • Port locking
  • Port type locking
  • Fabric binding

Pregunta 18

Pregunta
What enables an administrator to create device groups in an IP-SAN for restricting device communications to a group?
Respuesta
  • Security identifier
  • Demilitarized zone
  • NIC teaming
  • iSNSdiscovery domain

Pregunta 19

Pregunta
How do VSANs ensure security in an IT infrastructure?
Respuesta
  • By authenticating a new switch thatjoins a fabric
  • By limiting the number of switches in a fabric
  • By providing isolation over a shared infrastructure
  • By prohibiting an unused switch port from being used

Pregunta 20

Pregunta
What is an accurate statement about OAuth security control?
Respuesta
  • Enables initiators and targets to authenticate each other by using a shared secret code
  • Enables an organization to use authentication services from an identity provider
  • Allows a client to access protectedresources from a resource server on behalf of a resource owner
  • Provides strong authentication for client-server applications by using secret-key cryptography

Pregunta 21

Pregunta
What is an accurate statement about Challenge Handshake Authentication Protocol (CHAP) control?
Respuesta
  • Enables initiators and targets to authenticateeach other by using a shared secret code
  • Provides strong authentication for client-server applications by using secret-key cryptography
  • Allows a client to access protected resources from a resource server on behalf of a resource owner
  • Enables anorganization to use authentication services from an identity provider

Pregunta 22

Pregunta
What is an accurate statement about OpenID control?
Respuesta
  • Allows a client to access protected resources from a resource server on behalf of aresource owner
  • Enables initiators and targets to authenticate each other by using a shared secret code
  • Provides strong authentication for client-server applications by using secret-key cryptography
  • Enables an organization to use authentication services from an identity provider

Pregunta 23

Pregunta
Which technique is used in Kerberos to authenticate a client-server application across an insecure network?
Respuesta
  • One-way hash function
  • Shared secret
  • Secret-key cryptography
  • OpenID control

Pregunta 24

Pregunta
Which method does an intrusion detection and prevention system (IDPS) use to identify intrusions by scanning and analyzing events to detect if they are statistically different from normal events?
Respuesta
  • Profile-based
  • Anomaly-based
  • Signature-based
  • Device-based

Pregunta 25

Pregunta
Which method is used to establish a VPN connection between a primary and remote data center to perform secure remote replication?
Respuesta
  • Remote access VPN connection
  • Intra-site VPN connection
  • Long distance VPN connection
  • Site-to-site VPN connection

Pregunta 26

Pregunta
What is an activity in the risk assessment step of risk management?
Respuesta
  • Plan and deploy security controls
  • Continuously observethe existing risks
  • Determine the likelihood of a risk
  • Identify the sources of threats that increase the risks

Pregunta 27

Pregunta
What is the purpose of monitoring capacity in a storage infrastructure?
Respuesta
  • Evaluating utilization of components and identifying bottlenecks
  • Tracking the amount of storage infrastructure resources used and available
  • Tracking configuration changes to the storage infrastructure elements
  • Identifying component failures that may lead to service unavailability

Pregunta 28

Pregunta
Which EMC product enables management for Vblock systems?
Respuesta
  • Unified Infrastructure Manager
  • MirrorView
  • Service Assurance Suite
  • ViPR SRM

Pregunta 29

Pregunta
What is an example of an availability management task in storage infrastructure management
Respuesta
  • Performing trend analysis of storage space consumption
  • Tracking configuration changes to storage components
  • Designing a new replication solution for data redundancy
  • Specifying storage space quotas for users

Pregunta 30

Pregunta
Which EMC product provides automated monitoring and reporting of a software-defined storage infrastructure?
Respuesta
  • FAST VP
  • Avamar
  • SnapSure
  • ViPR SRM

Pregunta 31

Pregunta
What is an accurate statement about infrastructure discovery?
Respuesta
  • Standardizes on-going infrastructure management activities and assesses potential risks of the activities
  • Createsan inventory of infrastructure components and provides information about the components
  • Classifies, organizes, and analyzes all infrastructuremanagement best practices stored in data lakes
  • Detects potential security attacks on a storage infrastructure and deploys specialized tools to eliminate the attacks

Pregunta 32

Pregunta
Which data center characteristic ensures that data is stored and retrieved exactly as it was received?
Respuesta
  • Data integrity
  • Security
  • Scalability
  • Manageability

Pregunta 33

Pregunta
What is a characteristic of a scale-out NAS?
Respuesta
  • File system grows dynamically as nodes are added in the cluster
  • Upto four file systems can be created across the cluster
  • Distinct file systems are created on each node in the cluster
  • Different file systems can be mixed on each node in a single cluster

Pregunta 34

Pregunta
A customer has a requirement to perform a backup each night. However, the customer has a limited amount of time for backups to run on week nights, Monday through Friday evenings.
Respuesta
  • Incremental
  • Cumulative
  • Full
  • Differential

Pregunta 35

Pregunta
What is a benefit when a node is added to a scale-out NAS cluster?
Respuesta
  • Increased cluster performance
  • Reduced capital expenditure
  • Simplified cluster management
  • Decreased data duplication

Pregunta 36

Pregunta
Why should a replica be consistent with its source?
Respuesta
  • Ensure the usability of the replica
  • Reduce the need to create multiple replicas
  • Ensure the security of the replica
  • Reduce the size of the replica

Pregunta 37

Pregunta
What is an example of a security management task in a storage infrastructure?
Respuesta
  • Configuring LUN masking to restrict hosts from accessing a specific LUN
  • Enforcing storage space quotas to restrict users from overprovisioning resources
  • Restricting the number of simultaneous client access to application servers
  • Enabling sending messages to a support center in the event of resource failure

Pregunta 38

Pregunta
In an object-based storage system, which elements are associated with an object?
Respuesta
  • Metadata, object ID, attributes, and file path
  • Metadata, LUN ID, data, and object ID
  • Object ID, attributes, LUN ID, and file path
  • Metadata, object ID, data, and attributes

Pregunta 39

Pregunta
In continuous data protection (CDP) remote replication, where are the two split write I/Os of an incoming write I/O directed?
Respuesta
  • One I/O goes to the remote CDP appliance and the other I/O goes to the replica
  • One I/O goes to the local CDP appliance and the other I/O goes to the production volume
  • One I/O goes to the compute system and the other I/O goes to the production volume
  • One I/O goes to the journal volume and the other I/O goes to the replica

Pregunta 40

Pregunta
What describes an advantage of the changed block tracking backup technique?
Respuesta
  • Enable restoration to any point-in-time
  • Increase backup device performance
  • Reduce the backup window
  • Eliminatethe need for data deduplication
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