Test

Huawei HCNA-Cloud-BCCP H13-511.

Manuel Eduardo Peña Pernia 114 preguntas 5,0 (1 valoración) Actualizado el 8 nov 2016

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Preguntas del test (114)

1What elements promote cloud compunting? (Three answer)
1. AMaximizes the reuse of existing resources to reduce operating expenditure
2. BAre absorbing an increasing number of subscribers
3. CCloud computing standards develop rapidly and integration of IT and CT technologies requires IT infrastructure upgrades
4. DHardware Computing upgrades every time
2Cloud computing is a style of computing in which dynamically scalable and often virtualized resources are provided as a service over the Internet (True or False)
1. AVerdadero
2. BFalso
3How the evolution of cloud computing is?
1. AParallel computing -> Distributed Computing -> Grid computing -> Cloud Computing
2. BCloud Computing -> Parallel computing -> Distributed Computing -> Grid computing
3. CParallel computing -> Grid computing -> Distributed Computing ->Cloud Computing
4. DCloud Computing -> Grid computing-> Parallel computing -> Distributed Computing
4Cloud Computing, over the Internet provides shared software and hardware resources as well as data information on demand to computers and other devices (True or False)
1. AVerdadero
2. BFalso
5Cloud computing is a style of computing in which isn't dynamically scalable but it often virtualized resources are provided as a service over Internet (True or False)
1. AVerdadero
2. BFalso
6What could be the key characteristics of cloud computing? (two Answer)
1. AOn-demand self-service
2. BPay per use
3. CLocation dependent resource pooling
4. DSlightly elastic
7Which of this statements are true? (Three answers)
1. ADedicated mainframes, minicomputers, and high-end servers are replaced by massive inexpensive servers.
2. BStandalone operating systems (OSs) are replaced by distributed software
3. CCentralized management is replaced by automated control software
4. DMultiples store area network is replaced by newest storage system
8The CORE of cloud computing is...
1. ACloud service platform software
2. BCloud platform software
3. CCloud application platform software
4. DCloud servers and storage platform software
9Under Cloud era, software, hardware, and services are not provided over the Internet, because the users will access services using a web browser or a Lightweight terminal, every day and every time. (True or False)
1. AVerdadero
2. BFalso
10What are the different methods deployment for Cloud Computing? (three answers)
1. AMixed Cloud
2. BHybrid Cloud
3. CPublic Cloud
4. DPrivate Cloud

11Provides applications running, development environments and application development component such as databases, emails, and messages.
1. AIasS
2. BPasS
3. CSaaS
4. DMasS
12The technologie Huawei FusionSphere is based on...
1. AHosted virtualization
2. BBare-metal virtualization
3. COs-level virtualization
4. DHybrid virtualization
13Some advantages from Bare-metal are: (choose two answers)
1. AEasy to implement
2. BOS independent VMs
3. CWide compatibility with OS and applicatios
4. DHigh performance due to no redundancy
14The Hypervisor uses one of kind of memory to release the free memory space of lighter-loaded VMs to those VMS that heavier load. In this way de memory utilization is increased. What kind of memory we talk about?
1. AMemory Sharing
2. BCopy on write
3. CMemory swapping
4. DMemory Ballooning
15How are based on the resource priorities of QoS in a Internet Data Center leasing?
1. ABased on the importance sequence of an enterprise
2. BBased on the importance sequence of customers
3. CBase on the carrier´s internal applicacions
16Does "the Huawei cloud management expert system" permit unified hardware and software management? (true or false)
1. AVerdadero
2. BFalso
17What type of network topology are used commonly ? (two answers)
1. ALogical topology, Bus network, framework network topology
2. BBus network, star network, tree network
3. CRing network, Mesh network
4. DRing network, computer network topology
18SDLC, HDLC, PPP, STP, and frame relay are protocols, which layer are they?
1. APresentation Layer
2. BData link layer
3. CNetwork layer
4. DSession layer
19to which OSI level these protocols belong?: IP, IPX, RIP, OSPF, ARP, RARP, ICMP and IGMP.
1. ALevel 1
2. BLevel 2
3. CLevel 3
4. DLevel 4
20The MAC address is also known as a physical address, it have 6 bytes, theirs first three bytes represent the vendor code, What is the Huawei vendor code?
1. A0x00:E0:FD
2. B0x00:H0:FC
3. C0x00:H0:AC
4. D0x00:E0:FC
21What is the order the Layer 2 Switching process?
1. ABroadcast, Forward, Update, Learn
2. BLearn, Broadcast, Forward, Update
3. CBroadcast, Forward, Learn, Update
4. DLearn, Broadcast, Update, Forward
22The layer 2 forwarding feature of switches complies with the 802.1D Bridges Standard. (true or false)
1. AVerdadero
2. BFalso
23VLAN identifier is a 12-bit into TCI field in the 802.1q header, support up to 4096 VLANs. have 3 bit as a Priority and Canonical Format indicator. (true or false)
1. AVerdadero
2. BFalso
24Type of VLANs are...
1. APort-based, MAC Address-based, Protocol-based, Subnet-based VLANs
2. BPort-based, MAC Address-based,
3. CProtocol-based, Subnet-based VLANs
4. DMAC Address-based, Protocol-based,
25A trunk link is generally used the connection between (two answer):
1. AL2 switches and L2 switches
2. BL2 switches and L3 routers
3. CL2 routers and L3 routers
4. DL2 routers and L2 routers
26Trunk port belongs to one or multiple VLANS untagged mode. (True or false)
1. AVerdadero
2. BFalso
27Which of the following statements are correct? (Two Answers)
1. AHypervisor allows you to group VMs from different departments into different VLANs
2. BHypervisor allows you to configure VLANs for connection route point to point
3. CHypervisor allows you to configure VLANs for distributed virtual switches (DVSs) and use port groups to configure VM VLANs.
4. DHypervisor allows you to group VMs from any geographical location and any dry switches
28The best effort service is a type of QoS into IP networks? (T or F).
1. AVerdadero
2. BFalso
29Some usages about QoS could be: (Three answers)
1. APrevent and manage IP network congestion.
2. BReduce the loss rate of IP packets.
3. CIncrease traffic
4. DSupport real-time services on IP networks
30QoS provides the following functions: (three answers)
1. APacket categorization and coloring
2. BNetwork congestion avoidance
3. CQoS signaling protocol
4. DQoS failure level
31Indicates the maximum rate at which packets are lost during transmission on the network.
1. AJitter
2. BBandwith limit
3. CPacket loss rate
4. DLatency
32Latency is the time interval between sending a data packet from one end and receiving it on the other end.
1. AVerdadero
2. BFalso
33What is the rate data packets delivery over the network and can be expressed by the average rate or peak rate?
1. ABandwidth limit
2. BThroughput
3. CData flow rate
4. DTraffic rate
34Name the IP QoS model (three answers):
1. ABest-Effort service model
2. BIntegrated service model
3. CDifferentiated service model
4. DQuality service model
35Which is the meaning this statement? This model manage network congestion by forwarding traffic in a differentiated manner based on QoS settings…
1. AIntServ model
2. BBest-Effort model
3. CDiffServ model
4. DNetwork Quality model
36In the header IP packet, talk about the QoS, What are the bits name of old TOS (Type of Service) bye? (two answers)
1. ADSCT
2. BDSCP
3. CECN
4. DTC
37Traffic Policing is used to monitor the traffic volume entering a network and keep it within a specified range. Use Committed Access Rate, Token bucket algorithm and traffic control.
1. AVerdadero
2. BFalso
38CAR, GTS and LR use the token bucket to control traffic. (T or F).
1. AVerdadero
2. BFalso
39First in first out queuing, priority queuing, custom queuing and weighted fair queuing, are not algorithms queuing for a Congestion Management, are algorithms for congestion avoidance?
1. AVerdadero
2. BFalso
40Which the sentences are correct? (Three answers)
1. ATraditional packet drop policies adopt the tail drop method, in congestion avoidance
2. BWFQ (weighted fair queuing) classifies packets by flow.
3. C“Custom Queuing” have among the 18 queues for traffic policing.
4. D“Priority queuing” guarantees the QoS of high priority queues
41iStack is a stacking system for access devices, such as S5700 and S3000. Currently, up to 9 devices can be stacked.
1. AVerdadero
2. BFalso
42Clustering: Multiple connected switches are managed as a …
1. ALogical device
2. BPhysical device
3. CAutonomous device
4. DMultiple logical devices
43CSS (clustering for core devices and iStack are almost the same in terms of the mechanism and the management plane, and therefore can be collectively referred to as stacking technologies.
1. AVerdadero
2. BFalso
44Which Huawei equipment could be clustering? (Three answer)
1. AS9300
2. BS9700
3. CCE12800
4. DS5500T
45Core and aggregation switches are stacked using CSS and Acces switches are stacked using iStack
1. AVerdadero
2. BFalso
46The Active Directory is a sophisticated service component of a Windows Server. It processes network objects, including users, groups, computers, network domain controllers, emails, organizational units, and trees in organizations.
1. AVerdadero
2. BFalso
47These are functions about AD? (Three answers)
1. ABasic network services like DNS, WINS, DHCP and certificate services
2. BServer and client computer management, user service, printers and file sharing services
3. CDesktop configuration and application system support , like email, office automation, antivirus systems, etc.
4. DVirtual desktop, virtual storage, virtual hardware, LUNs and host
48An AD structure is an arrangement of object information
1. AVerdadero
2. BFalso
49The AD network domain organizes the following basic objects into a tree structure: (two answers)
1. AForeign domain groups
2. BDomain controllers, computers and users
3. COrganizational Units and Built in account groups
4. DFixed virtual storages domain
50AD directory tree form a doman directory tree in this order:
1. AParent domain, child domain
2. BChild domain and parent domain
3. Ctree domain group and tree domain parent
4. Dtree domain parent and tree domain group
51In AD, the root domain and other domain trees in a forest are linked through a transitive trust hierarchy
1. AVerdadero
2. BFalso
52
How the order the process into AD desktop application is?
1. AThe user VM synchronizes domain information with the domain controller, the user logs in to the desktop using the username in the domain, the Desktop Delivery Controller request the AD server to authenticate user information.
2. BThe Desktop Delivery Controller request the AD server to authenticate user information, the user logs in to the desktop using the username in the domain, the user VM synchronizes domain information with the domain controller.
3. CThe user logs in to the desktop using the username in the domain, the Desktop Delivery Controller request the AD server to authenticate user information, the user VM synchronizes domain information with the domain controller.
53Dynamic Host Configuration Protocol (DHCP) is a LAN protocol running at the UDP layer to assign dynamic IP addresses to clients on the Internet.
1. AVerdadero
2. BFalso
54a) Simplifies client network configurations, requiring no static IP address configuration. b) Simplifies client network configuration changes. When network parameters change, the administrator does no need to change the client configurations one by one. There are advantages from:
1. AAD
2. BDNS
3. CDHCP
4. DHUB
55How the mechanism DHCP order is?
1. ASelection, Discovery, Provisioning, Confirmation
2. BProvisioning, Discovery, Selection, Confirmation
3. CDiscovery, Provisioning, Selection, Confirmation
4. D Confirmation, Discovery, Provisioning, Selection
56What are the statement correct about DHCP? (Two answers)
1. AThe discovery mechanism select the IP address for the VM
2. BOne DHCP application is assign IP addresses on one network segment and other is, assign IP addresses across multiple network segments
3. CThe confirmation mechanism obtain the valid status form for seek a new IP address for DHCP clients
4. DThe VM can automatically obtain an IP address from the configured subnet using the DHCP service of the VRM in FusionSphere.
57Which network equipment is a distributed database supporting the translation between domain names and IP addresses?
1. ADHCP
2. BDNS
3. CAD
4. DVLAN
58Some DNS Characteristics could be ? (Three answers)
1. AIs based on UDP
2. BIt can identity only 512 bytes
3. CSupport DNSSEC
4. DUsers only need to use simple characters to access networks, instead of IP addresses
59What are the types DNS record commonly used?
1. AA, CNAME, PTR, NS, SVR
2. BPKI, PUNK, PINK, Address
3. CTUNK, BNS, SIP, Name
4. DDomain, IN, SOL, Bare-Metal
60Typical DNS application (Three answers)
1. AThe DNS client configuring the DNS interface in the main port
2. BThe domain names of the LB and DDC are registered in the DNS
3. CThe users accesses the desktop using the LB domain name
4. DThe VM regularly registers with the DDC using the DDC domain name
61A virtual machine (VM) is a software computer that functions like a physical computer, running an operating system (OS) and applications.
A VM runs on a host, obtains CPUs, memory, GPU, USB devices, and other resources on the host, and uses network connection and storage access capabilities of the host. Multiple VMs can run concurrently on one host. (True or False)
1. AVerdadero
2. BFalso
62What are the correct? (Three answers)
1. AThe VM creation location can be a host or a cluster.
2. B After a VM is created, you can migrate it to another host
3. C After a VM is created, you can perform operations to adjust its specifications and peripherals, such as adding network interface cards (NICs), mounting CD/DVD-ROM drivers, attaching disks, GPU, and USB devices.
4. DAfter you created a VM, you can not change the its attribute
63A VM template is a copy of a VM, containing an OS, applications, and VM specification configurations. It is used to create VMs that have OSs installed. Compared with creating bare VMs, creating VMs using a template reduces much time. (true or false)
1. AVerdadero
2. BFalso
64A VM template could to consist of (three answers)
1. Aone OVM file
2. Bone OVA file
3. Cor one OVF file
4. Dand multiple VHD files.
65Each virtual network interface card (NIC) has an IP address and a MAC address. It has the same functions as a physical NIC on a network. FusionCompute supports intelligent NICs (iNICs),
1. AVerdadero
2. BFalso
66FusionCompute supports intelligent NICs (iNICs) which use (two answers)
1. Amultiple queues, virtual swapping
2. Bengine NIC corrector
3. Cmemory random NIC
4. Dquality of service (QoS), and uplink aggregation to improve NIC I/O performance.
67In Bandwidth control based on a network plane: The management plane, storage plane, and service plane are allocated with specified bandwidth based on the physical bandwidth resources. Does the traffic congestion on a plane affect I/O on other planes?
1. AVerdadero
2. BFalso
68Each host connects to a distributed virtual switch (DVS), which functions as a physical switch. The DVS connects to VMs through a virtual port in the downstream direction and to the host NIC in the upstream direction. The DVS implements network communication between hosts and VMs. In addition, the DVS ensures unchanged network configuration for VMs when the VMs are migrated across hosts.
1. AVerdadero
2. BFalso
69Server virtualization enables physical server resources to be converted to logical resources. With virtualization technology, a server can be divided into multiple virtual computing resources that are isolated with each other. CPU, memory, disks, and I/O resources become pooled resources that are dynamically managed.
1. AVerdadero
2. BFalso
70erver virtualization characteristics are: (three answers)
1. AIncreases resource utilization rate.
2. BSimplifies system management
3. CImplements server integration.
4. DReduce efficiency
71One VM support a maximum of 64 vCPUs.
1. AVerdadero
2. BFalso
72Server virtualization involves the following features (Three answers)
1. ABare metal architecture
2. BFloppy disk pass-through
3. CCPU and Memory virtualization
4. DGPU, iNIC, and USB pass-through
73 Today, One VM support more than of 1 TB virtual memory.
1. AVerdadero
2. BFalso
74Storage virtualization enables a storage device to be converted to a logical data store. A VM is stored as a set of files in a directory on a data store. A data store is a logical repository that is similar to a file system. It can combine storage devices of different types and provide a unified model to store VM files. The storage virtualization technology helps the system manage virtual infrastructure storage resources with high resource utilization and flexibility.
1. AVerdadero
2. BFalso
75Huawei data stores support the following file system formats:
1. AVirtual image management system (VIMS)
2. BNetwork file system (NFS)
3. CMKDF
4. DEXT4
76What is the type data level from FC SAN?
1. AFile Level
2. BFile Label
3. CBlock level
4. DBlock Label
77The JBOD provide data redundancy (true or false)
1. AVerdadero
2. BFalso
78Redundant Array of Independent Disk is a storage technology that combines multiple physical disk into a logical unit for improving data redundancy and performance.
1. AVerdadero
2. BFalso
79Raid has the following three characteristics:
1. AStripes disk data so that data can be accessed on a per block basis, reducing the seek time
2. BAccesses multiple disks concurrently on the same disk array to reduce the total seek time
3. CThe different RAID level are technological superiority than each other
4. DEmploys mirroring or parity check to provide data redundancy
80What is the incorrect statement?
1. ARAID 1 does not stripe data like RAID0
2. BRAID 5 employs a rotating parity scheme and does not have a fixed parity disk
3. CRAID 10 performs mirroring first and then striping
4. D20 member RAID disks delivers superior performance than 8 or 9 member RAID disks.
81When a member disk of a RAID group fails, a spare disk replaces the failed disk without interrupting the RAID group. How is named this disk?
1. ALUN copy disk
2. BRAID backup disk
3. CHot spare disk
4. DFree Hot disk
82What is the transferring function the data into spare disk when a RAID disk fail?
1. APrecopy
2. BLUN copy
3. CReconstruction
4. DMirror
83On the physical volume, one or more logical unit numbers can be created and mapped as basic block devices to hosts.
1. AVerdadero
2. BFalso
84... provides the multiple paths for connecting a host to a disk array.
1. ASwitch
2. BStorage network System
3. CHost multipathing technology
4. DRouter
85When multipathing software is installed, it creates a virtual HBA between the disk driver and the two HBAs. The disk driver detects only one virtual disk and maps it to the host, on the contrary, the LUN is mapped several times to the host operating system.
1. AVerdadero
2. BFalso
86Number the multipathing functions (three answers)
1. AFailover
2. BFailback
3. CLoad Balanxing
4. DFailtranfer
87Snapshots of a VM record... (three answers)
1. Athe disk data
2. Bmemory data
3. Cconfiguration data
4. Dcache data
88¿What is the virtualization? (two answers)
1. AConvert physical resources into logical resources
2. BAdd a virtualization layer on the system to virtualized its underlying resources
3. CConvert logical resources into resources physical
4. DAdds y recovery logical devices to physical devices
89Some benefits of Virtualization could be... (Three answers)
1. AImproved hardware utilization and OS desacouple from hardware
2. BReduce carbon footprints
3. CEfficient IT operation, maintenance and lower labor cost
4. DReduce IOPS between hardware and software
90In Principle of de Virtualization, what define it: Multiple VMs can run on the same physical server?
1. AIsolation
2. BZoning
3. CEncapsulation
4. DHardware-independence
91Virtual Machine Monitor is refered to...
1. AHost Machine Monitoring
2. BGuest Machine Monitoring
3. CHypervisor
4. DReduce Machine Monitoring
92Which of the virtualization patterns is the major trend?
1. AHosted Virtualization
2. BBare-metal Virtualization
3. COS-level virtualization
4. DHybrid Virtualization
93Types of computing virtualization (Three answers)
1. AMonitor Virtualization
2. BCPU Virtualization
3. CMemory Virtualization
4. DI/O Device Virtualization
94Multiple VMs share the same physical device, such as a disk or network adapter. Those I/O devices are multiplexed using time-division technology. This technology is called as
1. A I/O CPU
2. B I/O Memory
3. CI/O device
4. DI/O Storage
95Into Virtual CPU. VMs share the same Memory addresses (true or false)
1. AVerdadero
2. BFalso
96The typical virtualization approaches are privilege deprivileging and trap-and-emulation. Specifically, guest OSs run at a non-privileged level deprivileging) whereas the Virtual Machine Monitor (VMM) runs at the highest privilege level (full control of system resources). After guest OSs are de-privileged, most of their instructions can still be executed on hardware. Only the privileged instructions are trapped and emulated by the VMM. (True or False)
1. AVerdadero
2. BFalso
97The key point of memory virtualization lies in introducing a new layer of address space, that is, the physical address space of clients. Clients think that they run in the actual physical address space; however, they access physical addresses through the VMM in fact. The VMM saves the mapping table that records relationships between clients' address spaces and physical machines' address spaces.
1. AVerdadero
2. BFalso
98An x86 processor has four priorities in protected mode, Ring 0, Ring 1, Ring 2, and Ring 3. The priority of each Ring is subject to the performed function. Ring 0 is used for the OS kernel and has the highest priority. Ring 1 and Ring 2 are used for OS services and have lower priorities. Ring 3 is used for applications and has the lowest priority.
1. AVerdadero
2. BFalso
99I/O virtualization needs to resolve the following two problems:
1. AReuse the memory: Many VM request great amount the memory
2. BDevice discovery: Controls the devices accessible to VMs.
3. CAccess interception: Processes devices' access requests through I/O ports.
4. DTry and try CPU resources: Many VM request great amount the CPU instructions
100In the I/O virtualization, How to discover a device? (Three answers)
1. AThe device information about all VMs is saved on the XenStore of Domain0.
2. BThe XenBus (a paravirtualizaton driver designed for Xen) on VMs communicates with the XenStore of Domain0 to obtain device information.
3. CThe front-end driver for the device is loaded.
4. DThe front-end OS for the device is loaded.
101In I/O virtualization, How to intercept device data? (two answers)
1. AThe front-end device driver forwards data completely to the back-end driver through the interfaces provided by the VMM.
2. BThe back-end driver processes VM data on a time and channel basis.
3. CThe front-end device driver forwards I/O instructions to core cpu
4. DThe back-end driver processes data host
102VT-x refers to the VT technology adopted by Xeon processors and VT-I refers to the VT technology adopted by Itanium processors. (True or false)
1. AVerdadero
2. BFalso
103VT-d: VT for Direct I/O, which is applied on chip sets. It allows VMs to directly access I/O devices to relieve the loads of the VMM and CPU.
1. AVerdadero
2. BFalso
104VT-c: VT for Connectivity, which is mainly applied on network adapters. It includes two core technologies: VMDq and VMDc.
1. AVerdadero
2. BFalso
105Storage device virtualization leverages storage devices' capabilities to maintain volumes. With this type of virtualization, storage devices can offer some advanced storage functions such as ... (Three answer)
1. Athin provisioning,
2. Bsnapshot
3. Clinked clone
4. Dlun copy
106"Host storage virtualization + File system" allows hosts to manage VM disk files through file systems. This type of virtualization allows the virtualization layer to provide advanced services that are independent of storage devices. (True or false)
1. AVerdadero
2. BFalso
107Currently, storage device virtualization applies ..... and provides a small number of advanced functions. (Two answers)
1. AFusionCPU
2. BHuawei Advanced SAN
3. CFusionStorage
4. DHuawei Advanced NAS
108"Host Storage Virtualization + File System" allows hosts to manage VM disk files through file systems. This type of virtualization allows the virtualization layer to provide advanced services. Currently, this type of virtualization is widely applied.
1. AVerdadero
2. BFalso
109A cloud computing data center don't allows dynamic migration of VMs, which is easy in traditional data centers.
1. AVerdadero
2. BFalso
110Distributed virtual switching implement... one u other switches, What are they? (Two answers)
1. AvSwitches
2. BTraditional Switches
3. CeSwithes
4. DPhysical Switches
111Virtualization improves resource utilization: 6 cores are functionally equivalent to 7 cores and 8 GB functionally equivalent to 10 GB
1. AVerdadero
2. BFalso
112Virtual hardware correspond to physical hardware in a one-to-one mapping. Virtualization technologies can virtualize one physical device into one virtual device.
1. AVerdadero
2. BFalso
113What is the Huawei Cloud Computing Solution name?
1. AFusionStack
2. BFusionCloud
3. CFusionSphere
4. DFusionCompute
114FusionAccess provides a customer experience oriented "any devices " + "any networks " + "any applications" solution seamless visit to cloud
1. AVerdadero
2. BFalso

Información

Descripción: Este es un examen que nos ayudará a reforzar y fijar ciertos conocimiento de gran importancia para alcanzar el éxito en la prueba de certificación de Cloud Computing H13-511. (Manuel Peña)
Autor: Manuel Eduardo Peña Pernia
Idioma: Español
Visitas: 676
Historial: Creado el 8 feb 2015 · actualizado el 8 nov 2016
Etiquetas: h13-511 huawei hcna-cloud-bccp h13-511 huawei hcna cloud bccp h13-511 cloud computing tecnologías de la información y la comunicación
Valoración: 5,0 de 5 · 1 valoración
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Huawei HCNA-Cloud-BCCP H13-511.

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