Quiz
Securing the Cloud Midterm
Este quiz tem tipos de pergunta que abrem no player de sempre.
Perguntas do quiz (180)
1Which network type is not accessible from outside the organization by default?
- AInternet
- BExtranet
- CIntranet
- DLAN
2Which of the following statements describes the difference between an extranet and an intranet network configuration?
- AAn intranet does not require a firewall.
- BAn extranet requires less administration than an intranet.
- CAn intranet is owned and operated by a single organization.
- DAn extranet allows controlled access from outside the organization.
3Which of the following is a network of multiple networks relying on network devices and common protocols to transfer data from one destination to another until it reaches its final destination and is accessible from anywhere?
- AIntranet
- BExtranet
- CInternet
- DLAN
4Which of the following terms defines the amount of data that can be sent across a network at a given time?
- ANetwork latency
- BBandwidth
- CCompression
- DNetwork load balancing
5Which of the following causes network performance to deteriorate and delays network response time?
- ANetwork latency
- BCaching
- CNetwork bandwidth
- DHigh CPU and memory usage
6After taking a new job at the state university, you are asked to recommend a network topology that best fits the large college campus. The network needs to span the entire campus. Which network topology would you recommend?
- ALAN
- BWAN
- CMAN
- DSAN
7You administer a website that receives thousands of hits per second. You notice the web server hosting the website is operating at close to capacity. What solution would you recommend to improve the performance of the website?
- ACaching
- BNetwork load balancing
- CCompression
- DNetwork bandwidth
8Which process allows a router to modify packets so that multiple devices can share a single public IP address?
- ANAT
- BDNS
- CVLAN
- DSubnetting
9Which of the following IP addresses is in a private IP range?
- A12.152.36.9
- B10.10.10.10
- C74.64.53.89
- D173.194.96.3
10Which of the following technologies allows you to logically segment a LAN into different broadcast domains?
- AMAN
- BWAN
- CVLAN
- DSAN
11Which of the following protocols and ports is used to secure communication over the Internet?
- AHTTP over port 80
- BSMTP over port 25
- CFTP over port 21
- DHTTPS over port 443
12SFTP uses _________ to secure FTP communication.
- ACertificates
- BFTPS
- CSSH
- DSMTP
13In a network environment _______ is responsible for assigning IP addresses to computers and _______ is responsible for resolving those IP addresses to names.
- ADNS,DHCP
- BDHCP,DNS
- CHTTP,DNS
- DDHCP.SMTP
14Which of these ports is the well-known port for the Telnet service?
- A25
- B22
- C23
- D443
15This protocol is responsible for transferring email messages from one mail server to another over the Internet.
- ADNS
- BHTTPS
- CFTP
- DSMTP
16Which of the following hypervisors would provide the best performance for a host machine?
- AType 1
- BType 2
- COpen source
- DProprietary
17You are investigating which technology is best suited for virtualizing a server operating system for personal use on a desktop computer. Which of the following technologies would you recommend?
- AType 1
- BType 2
- CSAN
- DRAID 6
18Which of the following hypervisors runs on a bare metal system?
- AOpen Source
- BProprietary
- CType 1
- DType 2
19What type of hypervisor is provided to an enterprise to use without cost?
- AProprietary
- BOpen Source
- CType 1
- DType 2
20An administrator is testing a variety of operating systems while performing other functions like surfing the Internet and word processing. What type of hypervisor is the admin most likely using?
- AType 1
- BEnterprise hypervisor
- CType 2
- DOpen Source
21You are deploying two virtual servers. One of the virtual servers is a heavily used database server and the other is a lightly used print server. What virtual CPU configuration would you recommend?
- AOne virtual CPU for the database server and two virtual CPUs for the print server
- BTwo virtual CPUs for the database server and two virtual CPUs for the print server
- CTwo virtual CPUs for the database server and one virtual CPU for the print server
- DThree virtual CPUs for the print server and two virtual CPUs for the database server
22An administrator is trying to enable hardware-assisted virtualization in the BIOS of a computer and notices it is not an option. He checks the specification on the manufacturer’s website and finds that the system should support hardware-assisted virtualization. What is most likely the reason why he can’t enable it?
- AThe BIOS needs a firmware update.
- BThe BIOS is corrupt.
- CHardware-assisted virtualization is enabled in the operating system, not the BIOS.
- DThe firmware is corrupt.
23You have been tasked with planning the purchase of a new virtualization host computer. When it comes time to recommend the processor type, which processor capability is more important?
- ACPUs are more important than CPU cores and cache.
- BCPU cores and cache are more important than CPUs.
- CCPU speed is more important than CPU cores and cache.
- DCPU cores and cache are more important than speed
24Which of the following would be a requirement when planning the compute resources for a host computer?
- AThe host computer does not need to have enough compute resources to support the virtual machine workload.
- BThe host computer must have enough compute resources to support the virtual machine workload.
- CThe host computer must be running a support operating system.
- DThe number of virtual machines running Microsoft Windows must be known.
25In a virtual machine, which component appears as an Ethernet adapter?
- AVirtual HBA
- BVirtual NIC
- CVirtual switch
- DVirtual router
26An administrator deploys a new virtual machine. After logging on to the virtual machine, she notices that it has a different time setting than the host. What is most likely the cause of this issue?
- AThe virtual machine cannot communicate with the network.
- BThe guest tools are not installed.
- CThe vNIC is not configured correctly.
- DThe VLAN tag is incorrect.
27Which of the following groups multiple network storage devices into a single storage unit that can be managed from a central console and used by a virtual machine or host computer?
- AVirtual switch
- BVirtual HBA
- CVirtual NIC
- DStorage virtualization
28Which type of memory allows a virtual machine to start with a smaller amount of memory and increase it based on the workload of the virtual machine?
- AStartup RAM
- BStatic memory
- CVirtual memory
- DDynamic memory
29Which component controls how the network traffic flows between the virtual machines and the host computer and also how network traffic flows between the virtual machine and other network devices in the organization?
- AVirtual NIC
- BVirtual storage
- CVirtual HBA
- DVirtual switch
30Which piece of information is required to create a DHCP reservation?
- AMAC address
- BDefault gateway
- CServer name
- DHost record
31Which of the following could not be used as one part of a multifactor authentication solution?
- AFingerprint
- BToken
- CReference
- DProximity card
32Which of the following would be considered an example of IaaS?
- AProviding productivity software for use over the Internet
- BA multiuser program that is hosted by a third party
- CProviding hardware resources over the Internet
- DA database that is hosted in the cloud.
33Which term is used to define the increasing number of services delivered over the internet?
- AXaaS
- BCaaS
- CMaaS
- DC-MaaS
34Voice of IP (VoIP) is an example of type of cloud service?
- AIaaS
- BPaaS
- CMaaS
- DCaaS
35Which of the following cloud solutions provides only hardware and network resources to make a cloud environment?
- ASaaS
- BCaaS
- CPaaS
- DIaaS
36Which of the following usually accessed via a web browser?
- AIaaS
- BSaaS
- CPaaS
- DVirtual machines
37What type on computing solution would be defined as platform that is implement within the corporate firewall and is net of the IT department
- APrivate cloud
- BPublic cloud
- CVLAN
- DVPN
38A cloud deployment has been created explicitly for the finance department. That type of cloud deployment would be defined as?
- APublic cloud
- BHybrid cloud
- CCommunity cloud
- DPrivate cloud
398. Which of the following statements would be used to explain a private cloud but not a public cloud?
- AUsed as a service via the Internet
- BDedicated to a single organization
- CRequires users to pay a monthly fee to access services
- DProvides incremental scalability
40Which of the following statements is a benefit of a hybrid cloud?
- AData security management
- BRequirement of a major financial investment
- CDependency of internal IT department
- DComplex networking
41Which of the following would be considered. An advantage of cloud computing?
- AIncreased security
- BAbility to scale to meet growing usage demands
- CEase of integrating equipment hosted in other data centers
- DIncreased privacy for corporate data
42Which statement defines chargeback?
- AThe recovery of costs from consumers of cloud services
- BThe process of identifying costs and assigning them to specific cost categories
- CA method of ensuring that cloud computing becomes a profit instead of a cost
- DA system for confirming that billing occurs for the cloud services being used
43When you run out of computer resources in your internal data center and expand to an external cloud on demand, this is an example of what?
- ASaaS
- BHybrid cloud
- CCloud bursting
- DElasticity
44A website admin is storing a large amount of multimedia objects in binary format for the corporate website. What type of storage is the considered to be?
- ABLOB
- BReplica
- CMetadata
- DObject ID
45A(n) ___________ is a storage device that has no moving parts.
- AHDD
- BSSD
- CTape
- DSCSI
46Which type of storage device would be used primarily for off-site storage and archiving?
- AHDD
- BSSD
- CTape
- DSCSI
47You have been given a drive space requirement of 2 terabytes for a production file server. Which type of disk would you recommended for this project if cost is a primary concern?
- ASSD
- BTape
- CHDD
- DVLAN
48Which of the following storage device interface types is the most difficult to configure?
- AIDE
- BSAS
- CSATA
- DSCSI
49If price is not a factor, which type of storage device interface would you recommend for connecting to a corporate SAN?
- AIDE
- BSCSI
- CSATA
- DFC
50What RAID level would be used for a database file that requires minimum write requests to the database, a large amount of read requests to the database, and fault tolerance for the database?
- ARAID 10
- BRAID 1
- CRAID 5
- DRAID 0
51 Which of the following statements can be considered a benefit of using RAID for storage solutions?
- AIt is more expensive than other storage solutions that do not include RAID
- BIt provides degraded performance, scalability, and reliability.
- CIt provides superior performance, improved resiliency, and lower costs.
- DIt is complex to set up and maintain. Tiering
52Which data tier would you recommend for a mission-critical database that needs to be highly available all the time?
- ATier 1
- BTier 2
- CTier 3
- DTier 4
53Which term describes the ability for an organization to store data based on performance, cost, and availability?
- ARAID
- BTiered storage
- CSSD
- DTape drive
54Which data tier would you recommend for data that is financial in nature, is not accessed on a daily basis, and is archived for tax purposes?
- ATier 1
- BTier 2
- CTier 3
- DTier 4 File System Tapes
55Which of the following file systems is used primarily for Unix-based operating systems?
- ANFTS
- BFAT
- CVMFS
- DUFS
56The following file system was designed to replace the FAT file system:
- ANFTS
- BZFS
- CEXT
- DUFS
57Which of the following file systems was the first to be designed specifically for Linux?
- AFAT
- BNTFS
- CUFS
- DEXT
58Which type of storage system is directly attached to a computer and does not use a storage network between the computer and the storage system?
- ANAS
- BSAN
- CDAS
- DNetwork Share
59Which of the following characteristics describe a network attached storage (NAS) deployment?
- ARequires expensive equipment to support
- BRequires specialized skill sets for administrators to support
- CDelivers the best performance of any networked storage technologies
- DProvides great value by utilizing existing infrastructure
60Which statement would identify the primary difference between NAS and DAS?
- ANAS cannot be shared and accessed by multiple computers.
- BDAS provides fault tolerance. C
- CDAS does not connect to networked storage devices.
- DNAS uses an HBA and DAS does not.
61Which storage type can take advantage of Universal Naming Convention addressable storage?
- ASAN
- BNAS
- CDAS
- DSATA
62 Which storage type provides block-level storage?
- ASAN
- BNAS
- CDAS
- DSATA
63Which of the following connects a server and a SAN and improves performance?
- ANIC
- BHost bus adapter
- CEthernet
- DSCSI Storage Access Protocols
64Which of the following protocols allows Fibre Channel to be transmitted over Ethernet?
- AHBA
- BFCoE
- CiSCSI
- DSAN
65Which of the following is considered a SAN protocol?
- AFCP
- BIDE
- CSSD
- DDTE
66Which of the following allows you to connect a server to storage devices with speeds of 128 Gbps?
- AEthernet
- BiSCSI
- CFibre Channel
- DSAS
67Which of the following uses IP networks that enable servers to access remote disks as if they were locally attached?
- ASAS
- BSATA
- CiSCSI
- DFibre Channel Storage Provisioning
68Warren is a systems administrator working in a corporate data center, and he has been tasked with hiding storage resources from a server that does not need access to the storage device hosting the storage resources. What can Warren configure on the storage controller to accomplish this task?
- AZoning
- BLUN Masking
- CPort Masking
- DVLANs
69Which of the following would increase availability from a virtualization host to a storage device?
- ATrunking
- BMultipathing
- CLink aggregation
- DVLANs
70Which of the following allows you to provide security to the data contained in a storage array?
- ATrunking
- BLUN mascking
- CLUN provisioning
- Dmultipathing
71Which provisioning model would you use if data is added quickly and often? The solution must ensure consistent performance.
- AThin provisioning
- BThich provisioning
- Coverprovisioning
- Dencryption storage protection
72Which HA solution involves multiple servers that each service requests concurrently, but can assume the load of one member if that member fails.
- Aactive-passive
- Bactive-active
- Cpassive-passive
- Dpassive-active
73Which of the following are requirements for adequate application performance when using synchronous replication? (Choose two.)
- Aobject storage
- Blow latency
- Cmultipathing
- Dhigh-speed links
- Eboth high-speed links and low latency
74Which of the following allows you to scale resources up and down dynamically as required for a given application?
- Asubnetting
- Bresource pooling
- Celasticity
- DVLAN
75Which of the following data centers offers the same concepts as a physical data center with the benefits of cloud computing?
- Aprivate data center
- Bpublic data center
- Chybrid data center
- Dvirtual data center
76How does virtualization help to consolidate an organization’s infrastructure?
- AIt allows a single application to be run on a single computer.
- BIt allows multiple applications to run on a single computer.
- CIt requires more operating system licenses. D
- DIt does not allow for infrastructure consolidation and actually requires more compute resources.
77Which of the following gives a cloud provider the ability to distribute resources on an as-needed basis to the cloud consumer and in turn helps to improve efficiency and reduce costs?
- AElasticity
- BShared resources
- CInfrastructure consolidation
- DNetwork isolation Virtual Resource Migrations
78Your organization is planning on migrating its data center, and you as the administrator have been tasked with reducing the footprint of the new data center by virtualizing as many servers as possible. A physical server running a legacy application has been identified as a candidate for virtualization. Which of the following methods would you use to migrate the server to the new data center?
- AV2V
- BV2P
- CP2P
- DP2V
79You have been tasked with migrating a virtual machine to a new host computer. Which migration process would be required?
- AV2V
- BV2P
- CP2P
- DP2V
80An application was installed on a virtual machine and is now having issues. The application provider has asked you to install the application on a physical server. Which migration process would you use to test the application on a physical server?
- AV2V
- BV2P
- CP2P
- DP2V
81You have been tasked with deploying a group of virtual machines quickly and efficiently with the same standard configurations. What process would you use?
- AV2P
- BP2V
- CVM templates
- DVM cloning
82Which of the following allows you to migrate a virtual machine’s storage to a different storage device while the virtual machine remains operational?
- Anetwork isolation
- BP2V
- CV2V
- Dstorage migration
83You need to create an exact copy of a virtual machine to deploy in a development environment. Which of the following processes is the best option?
- Astorage migration
- BVM templates
- CVM cloning
- DP2V
84You are migrating a physical server to a virtual server. The server needs to remain available during the migration process. What type of migration would you use?
- Aoffline
- Bonline
- Chybrid
- DV2P migration considerations
85You notice that one of your virtual machines will not successfully complete an online migration to a hypervisor host. Which of the following is most likely preventing the migration process from completing?
- AThe virtual machine needs more memory than the host has available.
- BThe virtual machine has exceeded the allowed CPU count.
- CThe virtual machine does not have the proper network configuration.
- DThe virtual machine license has expired.
86After a successful P2V migration, which of the following tests, if any, should be completed on the new virtual machine?
- ATesting is not required.
- BRemove all unnecessary software.
- CVerify the IP address, DNS, and other network configurations.
- DRun a monitoring program to verify compute resources.
87You are planning your migration to a virtual environment. Which of the following physical servers should be migrated first? (Choose two.)
- AA development server
- BA server that is running a non-mission-critical application and is not heavily utilized day to day
- CA highly utilized database server D
- DA server running a mission-critical application
- Eboth A development server and a server that is running a non-mission app and is not heavily utilized day to day
88Developers in your organization are complaining about how long it takes to deploy virtual machines with specialized storage configurations, load balancers, and databases in a cloud virtual network when testing a new application. You need to speed up the deployment of test environments. What should you do?
- AUpdate the SLA
- BDeploy virtual machine images
- CCreate a cloud deployment template
- DUse orchestration
89Which type of migration uses an on-premises physical server as the source and results in a cloud virtual machine?
- AP2V
- BP2P
- CV2V
- DV2P
90You need to ensure that the cloud migration of an on-premises database results in minimal downtime while the database runs in the cloud. Which cloud provider document provides assurances about this uptime?
- ABusiness impact analysis
- BService level agreement
- CDisaster recovery plan
- DBusiness continuity
91You need to ensure that cloud virtual machines report security events to a centralized cloud logging service. What should be configured for each virtual machine?
- AVirtual machine extension
- BLog forwarding
- CFirewall
- DIDS
92You have configured a VPN tunnel between your on-premises network and a cloud-based virtual network. What type of cloud is this?
- AHybrid
- BPrivate
- CPublic
- DCommunity
93You are configuring a remote connection for a user workstation. What port must be allowed through the firewall for a Remote Desktop connection?
- A389
- B3389
- C22
- D23
94What type of synchronization technology does not wait until all replicas confirm data writes before notifying an app that data has been committed to disk?
- ACloning
- BSynchronous
- CAsynchronous
- DFailover zone
95Why is scaling up sometimes done in cloud computing environments?
- ATo decrease performance
- BTo increase performance
- CTo enable high availability
- DTo reduce costs
96Before applying updates to a cloud-based Linux virtual machine, you need to ensure you can roll back quickly if the updates cause problems. What should you do?
- APerform a virtual machine backup
- BTake a virtual machine snapshot
- CCreate a system restore point
- DCreate an operating system image
97What documentation should be consulted to ensure cloud workload migrations are performed consistently?
- APowerShell script
- BSLA
- CApplication log
- DSOP
98Which CPU technology allows hardware virtualization on Intel processors?
- AVT-x
- BHyperthreading
- CCPU cache
- DvCPU
99You need to continue running uninterrupted a mission-critical app that is currently running on a local virtual machine whose physical host machine must be turned off and moved. What can you do?
- AMove the local virtual machine to the cloud
- BDeploy a virtual machine
- CUse a private cloud
- DUse dedicated hosting in the cloud
100What documentation lays out the agreed upon service and responsibilities of the service provider?
- AApplication log
- BPowerShell script
- CSOP
- DSLA
101You are responsible for migrating an on-premises database solution to the public cloud. Which of the following could potentially cause problems with the migration?
- ADatabase listening port
- BFormat of the workload
- CDatabase IP address
- DNames of database tables
102Your organization has purchased hypervisor hosts and storage arrays. Departmental use of these resources will be measured. The provisioning of resources will be done by users using a web interface. What type of cloud is this?
- APublic
- BPrivate
- CHybrid
- DCommunity
103Which service is used to assign IP configurations to hosts dynamically?
- ADNS
- BNTP
- CNIDS
- DDHCP
104Which statement regarding file system encryption is correct?
- AHashing algorithms require a private key.
- BFile encryption requires a symmetric key.
- CPrivate keys encrypt, public keys decrypt.
- DPublic keys encrypt, private keys decrypt.
105Which type of cloud serves the needs of organizations that have the same computing requirements?
- APublic
- BPrivate
- CHybrid
- DCommunity
106You are deploying a new cloud virtual machine. The virtual machine will host an app that is very CPU intensive. While creating the virtual machine, what should you do?
- AIncrease IOPSConfigure Storage mirroring
- BConfigure Storage mirroring
- CDecrease IOPS
- DAdd more vCPUs
107Which type of cloud best serves the needs of organizations that want to use cloud services but also have on-premises hardware?
- APublic
- BPrivate
- CHybrid
- DCommunity
108Which memory management feature deallocates unused RAM from virtual machines and presents it to other virtual machines that need RAM?
- ABursting
- BBallooning
- CPaging
- DOvercommitment
109Which CPU technology executes multiple concurrent computations?
- AVT-x
- BvCPU
- CHyperthreading
- DCPU cache
110You are planning a custom application that will interface with cloud storage. What is required before proceeding?
- ASLA
- BCloud storage API documentation
- CCloud service private key
- DCloud service public key
111A cloud database virtual machine uses four separate disk volumes. Each disk volume needs to be fully allocated at the start. What should you do to configure the disks?
- AThin provisioning
- BObject storage
- CThick provisioning
- DTokenization
112You have deployed a web application in the cloud. Users complain that during peak hours application performance degrades. What should you configure?
- AFailover clustering
- BLoad balancing
- CReplication
- DHashing
113Your team of developers is wondering which cloud service model would be most useful to them. Which model would you recommend?
- AIaaS
- BSaaS
- CPaaS
- DCaaS
114You are linking your on-premises network to the public cloud to handle the occasional depletion of on-premises resources. What is this called?
- AScaling out
- BScaling in
- CHorizontal scaling
- DCloud bursting
115You are deploying a new cloud virtual machine. The virtual machine will host an app that is very disk I/O intensive. While creating the virtual machine, what should you configure?
- AReplication
- BStorage mirroring
- CDecrease IOPS
- DIncrease IOPS
116To reduce cloud storage costs, you would like to put old data on slower, less expensive storage. What should you configure?
- ADecreased IOPS
- BRAID 1
- CStorage tiers
- DScaling
117You are a member of a team that is setting up an overnight maintenance schedule for your systems. What is the time frame for maintenance to be completed called?
- AMaintenance window
- BFollow the sun
- CPeak hours
- DDowntime
118You are looking to spread a workload over multiple VMs to handle a busy workload. What term best describes this?
- AScaling in
- BScaling up
- CScaling out
- DScaling down
119You are configuring a subnet IP address range for a cloud network. The network address is 10.16.6.0/24. How many usable IP addresses are available on this network?
- A24
- B256
- C255
- D254
120Customers are complaining that your retail company’s website is acting sluggish. The website is hosted on your internal private cloud. What can be used to mitigate this issue?
- AMultitenancy
- BCloud bursting
- CMetering
- DTarget hosts
121You are asked to configure a cluster for high availability (HA). What is required for this?
- AMultiple hypervisors
- BShared storage
- CSnapshot
- DV2V
122You are a member of a cloud migration team for an international firm. The migration of IT services is set to occur 24 hours a day for the next week. Which method will allow technicians to sleep while others in later time zones continue working?
- AFollow the sun
- BMaintenance windows
- CPeak hours
- DDowntime
123You need to ensure that network traffic from CloudVNet1 first goes through CloudVNet2 before continuing to the Internet. What should you configure?
- ALoad balancer
- BRoute table
- CFirewall rule
- DNAT gateway
124What does NAS normally appear as to a client operating system?
- AA disk
- BA file server
- CAn FTP server
- DAn object
125You plan to reuse on-premises virtual machines in the cloud. What type of migration will you be performing?
- AP2V
- BP2P
- CV2V
- DV2P
126Which solution can be used to increase application density on a cloud virtual machine?
- AApplication compression
- BApplication containers
- CScaling out
- DDynamic memory
127What technology allows memory to be “borrowed” from virtual machines and put into a pool by the hypervisor?
- ASalting require a public key.
Memory bursting - BMemory overcommitment
- CVT-x
- DMemory ballooning
- ASalting require a public key.
128What kind of compression would be used to store a data backup for your organization?
- ALossless
- BFull
- CLossy
- DIncremental
129Which memory management feature is used to help speed up data retrieval?
- ABursting
- BBallooning
- CPaging
- DOvercommitment
130You are configuring a subnet IP address range for a cloud network. The network address is 128.16.6.0/16. How many usable IP addresses are available on this network?
- A254
- B65,535
- C65,536
- D65,534
131You need to run a mission-critical app in the public cloud on a server that is not shared with other cloud tenants. What should you do?
- ADeploy a virtual machine
- BMigrate an on-premises virtual machine to the cloud
- CUse dedicated hosting in the cloud
- DUse a private cloud
132Which service is used to resolve names to IP addresses?
- ADHCP
- BDNS
- CNTP
- DNIDS
133Which type of migration uses an on-premises physical server as the source and results in an on-premises physical server?
- AP2P
- BP2V
- CV2P
- DV2V
134You need to ensure that a hypervisor can still boot and function in the event of an operating system disk crash. What should you configure?
- AConfigure RAID 0
- BConfigure RAID 1
- CEnable a failover cluster
- DEnable synchronous replication
135What is considered a safe overcommitment ratio for vCPUs?
- A3:1
- B6:1
- C9:1
- D1:1
136To conserve disk space, you wish to ensure disk volumes do not store duplicate data blocks. What should you enable?
- ACompression
- BThin provisioning
- CDeduplication
- DThick provisioning
137A cloud database virtual machine uses four separate disk volumes. Each disk volume needs to grow dynamically. What should you use to configure the disks?
- AThin provisioning
- BThick provisioning
- CObject storage
- DTokenization
138What type of synchronization technology waits until all replicas confirm data writes before notifying an app that data has been committed to disk?
- ACloning
- BFailover zone
- CAsynchronous
- DSynchronous
139Why is scaling down sometimes done in cloud computing environments?
- ATo increase performance
- BTo reduce costs
- CTo decrease performance
- DTo enable high availability
140The data center for a government agency is migrating services to a community cloud hosted by a public cloud provider. There is 600TB of data that must be migrated to the cloud. Which option should be used?
- AData deduplication
- BData and network compression
- COffline migration
- DStorage mirroring
141You are tasked with migrating a physical machine that has a mission-critical application that must remain online. What sort of migration must happen to satisfy these requirements?
- AOnline migration
- BP2V
- COffline migration
- DV2P
142Which protocol allows cloud tenants to provision network infrastructure resources without knowing the underlying layer 2 and layer 3 technical details?
- ANAT
- BTCP
- CVXLAN
- DUDP
143To reduce cloud storage costs, you would like only frequently used data to be stored on the fastest cloud storage. What should you configure?
- AIncreased IOPS
- BStorage tiers
- CRAID 0
- DScaling
144After creating a large number of virtual machines, you notice that your shared storage space is critically low. What can you do to help alleviate this storage problem as quickly and cheaply as possible?
- AThin provision the virtual machines
- BAdd more drives to the shared storage
- CThick provision the virtual machines
- DOverprovision the shared storage
145Which type of network storage is accessible using standard file sharing protocols?
- ANAS
- BiSCSI
- CSAN
- DLUN
146A [blank_start]cloud service model[blank_end] is a set of IT-related services offered by a cloud provider.
•Infrastructure as a Service (IaaS)
•Platform as a Service (PaaS)
•Software as a Service (SaaS)
•Database as a Service (DBaaS)
•Communications as a Service (CaaS)
•Business Process as a Service (BPaaS)
•Anything as a Service (XaaS)
•Accountability and Responsibility by Service Model- Acloud service model
- B.
147[blank_start]Infrastructure as a Service (IaaS)[blank_end] is a cloud service model that offers server storage, infrastructure, and connectivity domains to a cloud consumer.
•Cloud consumer outsources infrastructure to cloud provider
•Cloud consumer no longer maintains server hardware- AInfrastructure as a Service (IaaS)
- B.
148[blank_start]Platform as a Service (PaaS)[blank_end] allows developers to develop and test applications without worrying about the underlying infrastructure.
•Provides a complete solution to application deployment
•Tools and programming languages supplied by the cloud provider- APlatform as a Service (PaaS)
- B.
149[blank_start]Software as a Service (SaaS)[blank_end] provides on-demand applications to the cloud consumer over the Internet.
•On-demand software applications delivered by the cloud provider
•Accessed from a thin client over the Internet- ASoftware as a Service (SaaS)
- B.
150[blank_start]Database as a Service (DBaaS)[blank_end] Cloud model that delivers database operations as a service to multiple cloud consumers over the Internet.
•Cloud provider offers database operations
•Can offer database functionality to multiple cloud consumers
•Self-service provisioning of database instances- ADatabase as a Service (DBaaS)
- B.
151[blank_start]Communications as a Service (CaaS)[blank_end] allows a cloud consumer to outsource enterprise-level communication services such as VoIP and PBX.
•CaaS provides enterprise-level communication services
•Cloud consumer leases communication services from the cloud provider
•Examples of CaaS:
oVoIP
oVPN
oPBX
oUnified communications- ACommunications as a Service (CaaS)
- B.
152[blank_start]Anything as a Service (XaaS)[blank_end] is a generic term used to describe the distribution of different cloud components.
- AAnything as a Service (XaaS)
- B.
153[blank_start]Business Process as a Service (BPaaS)[blank_end] Any business process that is delivered as a service by utilizing a cloud solution.
•Combines business process management (BPM) with one or more aspects of a cloud deployment model
•Business process delivered as a service utilizing the cloud
•Business process uploaded to a cloud service for processing and monitoring- ABusiness Process as a Service (BPaaS)
- B.
154A [blank_start]private[blank_end] cloud is a cloud deployment model that is owned and operated by a single organization, implemented behind the corporate firewall, and maintained by the internal IT department.
•Implemented behind the corporate firewall
•Managed and maintained by local IT department
•Utilizes internal resources•
Offers similar benefits of public cloud without giving up control and security- Aprivate
- B.
155 A [blank_start]public[blank_end] cloud is a pool of computing services and resources delivered to a cloud consumer over the Internet by a cloud provider.
•Pool of resources delivered over the Internet
•Cloud provider delivers the resources instead of the organization
•Pay-as-you-grow allows organizations to only pay for resources they consume- Apublic
- B.
156A [blank_start]hybrid[blank_end] cloud is a combination of a public and private cloud that allows an organization to move resources between the local data center and a public cloud.
Utilizes both private and public clouds to perform distinct functions within organization- Ahybrid
- B.
157A [blank_start]community[blank_end] cloud shares cloud resources and infrastructure between organizations for a specific group that has common computing needs or objectives.
•Infrastructure shared between several organizations
•Shared for a specific group with common objectives
•Built and operated specifically for a targeted group- Acommunity
- B.
158[blank_start]On-Premise vs. Off-Premise[blank_end]
- AOn-Premise vs. Off-Premise
159[blank_start]Orchestration[blank_end] software allows for an automated approach to managing cloud resources by providing for automatic deployment of virtual machines and other infrastructure.
•Automation of day-to-day tasks
•Automated way to manage a cloud environment
•Achieve a dynamic data center
•Align business requests with infrastructure- AOrchestration
- B.
160[blank_start]Elasticity[blank_end] allows an organization to dynamically provision and deprovision compute resources to meet the demands of its network.
•Unlimited space
•Allows for dynamic provisioning of computing resources
•Shifts and pools resources across dissimilar infrastructure
•Allows workloads to be increased on additional hardware resources- AElasticity
- B.
161[blank_start]Demand-driven[blank_end] service allows a cloud consumer to provision cloud resources on demand whenever it needs to.
•Access to cloud services through an online portal
•Ability to provision cloud resources on demand
•Acquire computing resources automatically without human interaction- ADemand-driven
- B.
162[blank_start]Pay-as-you-grow[blank_end] allows a cloud consumer to pay only for the resources it is using and does not require a large up-front investment.
•Pay for services by the hour
•Pay for only the computing resources being utilized
•Prevents need for large up-front investment in infrastructure
•Organizations should plan for cloud costs before deploying an application in the cloud- APay-as-you-grow
- B.
163[blank_start]Metering[blank_end] allows a cloud consumer to track who is using IT resources and charge the correct department for those resources.
•Ability to track the usage of IT resources
•Measure usage by cloud consumer
•Allows a cloud consumer to be charged only for the resources they use.- AMetering
- B.
164[blank_start]chargeback[blank_end] An accounting strategy that attempts to decentralize the costs of IT services and apply them directly to the teams or divisions that utilize those services.
•Decentralize the costs of IT services
•Charge the department directly for services
•Allows for better decisions on how to spend IT budgets
•Not all expenses are billed under the IT department’s budget- Achargeback
- B.
165[blank_start]ubiquitous access[blank_end] Configuring a cloud service to be widely accessible via a web browser from anywhere, allowing for the same level of access either from home or work.
•Cloud consumer can access resources from thick or thin clients
•Allows a cloud service to be widely accessible via a web browser
•Same level of access from anywhere, including, home, work, or coffee shop- Aubiquitous access
- B.
166[blank_start]multitenancy[blank_end] Architecture providing a single instance of an application to serve multiple clients or tenants.
Provides a single instance of an application to serve multiple tenants
•Each tenant has their own view of the application
•Each tenant can change the user interface of the application but not the configuration
•Tenants are unaware of the other tenants- Amultitenancy
- B.
167[blank_start]Cloud bursting[blank_end] allows a cloud consumer to “burst” an application running in a private cloud into a public cloud when demand gets too high for its internal resources.
Application running on private cloud “bursting” into a public cloud- ACloud bursting
- B.
168[blank_start]Baselines[blank_end] are established norms against which performance and changes can be measured.
•Starting point for all measurements to be compared against
•First step in controlling any environment
•Should be taken at different milestones in the cloud life cycle
•Methodologies should include establishment, monitoring, accessibility, and maintenance- ABaselines
- B`
169[blank_start]Cloud elements[blank_end] are disparate target objects called via an API, and can come from different providers.
•Hypervisors•Virtual resources•Virtual machines•Virtual appliance•Applications•Storage•Logs•Workflows•Clusters- ACloud elements
- B`
170[blank_start]Auto-scaling[blank_end] enables customers to dynamically size their cloud computing resources without actively administering the system and allows for just-in-time resource consumption.
•Next step after cloud bursting•Automatic bursting of resources to the cloud provider•Provisions more virtual machines as opposed to simply more compute resources•Offsets unknown or unexpected spikes in demand- AAuto-scaling
- B`
171[blank_start]Source[blank_end] host runs workload in the current position
- ASource
- B`
172[blank_start]Target[blank_end] host owns compute resources that an administrator intends to move to
- ATarget
- B`
173[blank_start]Existing systems[blank_end]
•On-premises hosts that process local workloads•Often shares workload with cloud systems to facilitate migration•Existing systems eventually retire as cloud resources take over- AExisting systems
- B`
174[blank_start]Object ID[blank_end]
•Not addressed in blocks•Objects are individual pieces of data•Unique identifiers for data and metadata for each object- AObject ID
- B`
175[blank_start]Metadata[blank_end] uses attributes in the file to describe the data.
•Each object contains a set of metadata•Describes the data component of an object•Defines relationships with other objects•Extensible set of attributes•Implemented by the OSD or interpreted by higher-level storage systems- AMetadata
- B`
176A data [blank_start]BLOB[blank_end] is a collected set of binary data that is stored together as a single, discrete entity in a database.
•Binary large object (BLOB)•Collected set of binary data•Stored as a single discrete entity in a database management system•Enables larger amounts of data to be copied between databases- ABLOB
- B`
177[blank_start]Policies[blank_end]
•Similar to metadata•Attributes associated with object•Contain information associated with a particular security mechanism- APolicies
- B`
178[blank_start]Replicas[blank_end] are copies of a large set of data used to increase availability and reduce the amount of risk associated with keeping a large amount of data in one location.
•Copies of a large data set•Increase availability•Reduce the amount of risk- AReplicas
- B`
179A [blank_start]solid state drive (SSD)[blank_end] is a high-performance drive that contains no moving parts, uses less power than a traditional hard disk drive (HDD), and provides a faster startup time than an HDD.
•Highest possible I/O rates•Less susceptible to shock and are much quieter than HDD•Used on servers where speed is more important than total storage- Asolid state drive (SSD)
- B`
180A [blank_start]USB[blank_end] drive is an external plug-and-play storage device that provides a quick and easy way to move files between computer systems.
•External plug-and-play storage device•Recognized as a removable drive•Assigned a drive letter•Does not require a special connection cable or power cable•Powered by the USB port•Great for transferring files between computers- AUSB
- B`
Informações
- Descrição
- Quiz sobre Securing the Cloud Midterm, criado por Phuong Nguyen em 09-10-2018.
- Autor
- Phuong Nguyen
- Idioma
- English
- Visualizações
- 9
- Histórico
- Criado em 9 out 2018 · atualizado em 15 out 2018
- Avaliação
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