Question 1
Question
What elements promote cloud compunting? (Three answer)
Answer
-
Maximizes the reuse of existing resources to reduce operating expenditure
-
Are absorbing an increasing number of subscribers
-
Cloud computing standards develop rapidly and integration of IT and CT technologies requires IT infrastructure upgrades
-
Hardware Computing upgrades every time
Question 2
Question
Cloud 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)
Question 3
Question
How the evolution of cloud computing is?
Answer
-
Parallel computing -> Distributed Computing -> Grid computing -> Cloud Computing
-
Cloud Computing -> Parallel computing -> Distributed Computing -> Grid computing
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Parallel computing -> Grid computing -> Distributed Computing ->Cloud Computing
-
Cloud Computing -> Grid computing-> Parallel computing -> Distributed Computing
Question 4
Question
Cloud 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)
Question 5
Question
Cloud 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)
Question 6
Question
What could be the key characteristics of cloud computing? (two Answer)
Question 7
Question
Which of this statements are true? (Three answers)
Answer
-
Dedicated mainframes, minicomputers, and high-end servers are replaced by massive inexpensive servers.
-
Standalone operating systems (OSs) are replaced by distributed software
-
Centralized management is replaced by automated control software
-
Multiples store area network is replaced by newest storage system
Question 8
Question
The CORE of cloud computing is...
Answer
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Cloud service platform software
-
Cloud platform software
-
Cloud application platform software
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Cloud servers and storage platform software
Question 9
Question
Under 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)
Question 10
Question
What are the different methods deployment for Cloud Computing? (three answers)
Answer
-
Mixed Cloud
-
Hybrid Cloud
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Public Cloud
-
Private Cloud
Question 11
Question
Provides applications running, development environments and application development component such as databases, emails, and messages.
Question 12
Question
The technologie Huawei FusionSphere is based on...
Question 13
Question
Some advantages from Bare-metal are: (choose two answers)
Question 14
Question
The 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?
Answer
-
Memory Sharing
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Copy on write
-
Memory swapping
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Memory Ballooning
Question 15
Question
How are based on the resource priorities of QoS in a Internet Data Center leasing?
Answer
-
Based on the importance sequence of an enterprise
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Based on the importance sequence of customers
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Base on the carrier´s internal applicacions
Question 16
Question
Does "the Huawei cloud management expert system" permit unified hardware and software management? (true or false)
Question 17
Question
What type of network topology are used commonly ? (two answers)
Answer
-
Logical topology, Bus network, framework network topology
-
Bus network, star network, tree network
-
Ring network, Mesh network
-
Ring network, computer network topology
Question 18
Question
SDLC, HDLC, PPP, STP, and frame relay are protocols, which layer are they?
Answer
-
Presentation Layer
-
Data link layer
-
Network layer
-
Session layer
Question 19
Question
to which OSI level these protocols belong?: IP, IPX, RIP, OSPF, ARP, RARP, ICMP and IGMP.
Answer
-
Level 1
-
Level 2
-
Level 3
-
Level 4
Question 20
Question
The 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?
Answer
-
0x00:E0:FD
-
0x00:H0:FC
-
0x00:H0:AC
-
0x00:E0:FC
Question 21
Question
What is the order the Layer 2 Switching process?
Answer
-
Broadcast, Forward, Update, Learn
-
Learn, Broadcast, Forward, Update
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Broadcast, Forward, Learn, Update
-
Learn, Broadcast, Update, Forward
Question 22
Question
The layer 2 forwarding feature of switches complies with the 802.1D Bridges Standard. (true or false)
Question 23
Question
VLAN 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)
Question 24
Question
Type of VLANs are...
Answer
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Port-based, MAC Address-based, Protocol-based, Subnet-based VLANs
-
Port-based, MAC Address-based,
-
Protocol-based, Subnet-based VLANs
-
MAC Address-based, Protocol-based,
Question 25
Question
A trunk link is generally used the connection between (two answer):
Answer
-
L2 switches and L2 switches
-
L2 switches and L3 routers
-
L2 routers and L3 routers
-
L2 routers and L2 routers
Question 26
Question
Trunk port belongs to one or multiple VLANS untagged mode. (True or false)
Question 27
Question
Which of the following statements are correct? (Two Answers)
Answer
-
Hypervisor allows you to group VMs from different departments into different VLANs
-
Hypervisor allows you to configure VLANs for connection route point to point
-
Hypervisor allows you to configure VLANs for distributed virtual switches (DVSs) and use port groups to configure VM VLANs.
-
Hypervisor allows you to group VMs from any geographical location and any dry switches
Question 28
Question
The best effort service is a type of QoS into IP networks? (T or F).
Question 29
Question
Some usages about QoS could be: (Three answers)
Answer
-
Prevent and manage IP network congestion.
-
Reduce the loss rate of IP packets.
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Increase traffic
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Support real-time services on IP networks
Question 30
Question
QoS provides the following functions: (three answers)
Question 31
Question
Indicates the maximum rate at which packets are lost during transmission on the network.
Answer
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Jitter
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Bandwith limit
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Packet loss rate
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Latency
Question 32
Question
Latency is the time interval between sending a data packet from one end and receiving it on the other end.
Question 33
Question
What is the rate data packets delivery over the network and can be expressed by the average rate or peak rate?
Answer
-
Bandwidth limit
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Throughput
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Data flow rate
-
Traffic rate
Question 34
Question
Name the IP QoS model (three answers):
Question 35
Question
Which is the meaning this statement? This model manage network congestion by forwarding traffic in a differentiated manner based on QoS settings…
Answer
-
IntServ model
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Best-Effort model
-
DiffServ model
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Network Quality model
Question 36
Question
In the header IP packet, talk about the QoS, What are the bits name of old TOS (Type of Service) bye? (two answers)
Question 37
Question
Traffic 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.
Question 38
Question
CAR, GTS and LR use the token bucket to control traffic. (T or F).
Question 39
Question
First 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?
Question 40
Question
Which the sentences are correct? (Three answers)
Answer
-
Traditional packet drop policies adopt the tail drop method, in congestion avoidance
-
WFQ (weighted fair queuing) classifies packets by flow.
-
“Custom Queuing” have among the 18 queues for traffic policing.
-
“Priority queuing” guarantees the QoS of high priority queues
Question 41
Question
iStack is a stacking system for access devices, such as S5700 and S3000. Currently, up to 9 devices can be stacked.
Question 42
Question
Clustering: Multiple connected switches are managed as a …
Answer
-
Logical device
-
Physical device
-
Autonomous device
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Multiple logical devices
Question 43
Question
CSS (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.
Question 44
Question
Which Huawei equipment could be clustering? (Three answer)
Answer
-
S9300
-
S9700
-
CE12800
-
S5500T
Question 45
Question
Core and aggregation switches are stacked using CSS and Acces switches are stacked using iStack
Question 46
Question
The 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.
Question 47
Question
These are functions about AD? (Three answers)
Answer
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Basic network services like DNS, WINS, DHCP and certificate services
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Server and client computer management, user service, printers and file sharing services
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Desktop configuration and application system support , like email, office automation, antivirus systems, etc.
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Virtual desktop, virtual storage, virtual hardware, LUNs and host
Question 48
Question
An AD structure is an arrangement of object information
Question 49
Question
The AD network domain organizes the following basic objects into a tree structure: (two answers)
Answer
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Foreign domain groups
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Domain controllers, computers and users
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Organizational Units and Built in account groups
-
Fixed virtual storages domain
Question 50
Question
AD directory tree form a doman directory tree in this order:
Answer
-
Parent domain, child domain
-
Child domain and parent domain
-
tree domain group and tree domain parent
-
tree domain parent and tree domain group
Question 51
Question
In AD, the root domain and other domain trees in a forest are linked through a transitive trust hierarchy
Question 52
Question
How the order the process into AD desktop application is?
Answer
-
The 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.
-
The 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.
-
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, the user VM synchronizes domain information with the domain controller.
Question 53
Question
Dynamic Host Configuration Protocol (DHCP) is a LAN protocol running at the UDP layer to assign dynamic IP addresses to clients on the Internet.
Question 54
Question
a) 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:
Question 55
Question
How the mechanism DHCP order is?
Answer
-
Selection, Discovery, Provisioning, Confirmation
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Provisioning, Discovery, Selection, Confirmation
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Discovery, Provisioning, Selection, Confirmation
-
Confirmation, Discovery, Provisioning, Selection
Question 56
Question
What are the statement correct about DHCP? (Two answers)
Answer
-
The discovery mechanism select the IP address for the VM
-
One DHCP application is assign IP addresses on one network segment and other is, assign IP addresses across multiple network segments
-
The confirmation mechanism obtain the valid status form for seek a new IP address for DHCP clients
-
The VM can automatically obtain an IP address from the configured subnet using the DHCP service of the VRM in FusionSphere.
Question 57
Question
Which network equipment is a distributed database supporting the translation between domain names and IP addresses?
Question 58
Question
Some DNS Characteristics could be ? (Three answers)
Answer
-
Is based on UDP
-
It can identity only 512 bytes
-
Support DNSSEC
-
Users only need to use simple characters to access networks, instead of IP addresses
Question 59
Question
What are the types DNS record commonly used?
Question 60
Question
Typical DNS application (Three answers)
Answer
-
The DNS client configuring the DNS interface in the main port
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The domain names of the LB and DDC are registered in the DNS
-
The users accesses the desktop using the LB domain name
-
The VM regularly registers with the DDC using the DDC domain name
Question 61
Question
A 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)
Question 62
Question
What are the correct? (Three answers)
Answer
-
The VM creation location can be a host or a cluster.
-
After a VM is created, you can migrate it to another host
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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.
-
After you created a VM, you can not change the its attribute
Question 63
Question
A 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)
Question 64
Question
A VM template could to consist of (three answers)
Answer
-
one OVM file
-
one OVA file
-
or one OVF file
-
and multiple VHD files.
Question 65
Question
Each 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),
Question 66
Question
FusionCompute supports intelligent NICs (iNICs) which use (two answers)
Answer
-
multiple queues, virtual swapping
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engine NIC corrector
-
memory random NIC
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quality of service (QoS), and uplink aggregation to improve NIC I/O performance.
Question 67
Question
In 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?
Question 68
Question
Each 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.
Question 69
Question
Server 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.
Question 70
Question
erver virtualization characteristics are: (three answers)
Answer
-
Increases resource utilization rate.
-
Simplifies system management
-
Implements server integration.
-
Reduce efficiency
Question 71
Question
One VM support a maximum of 64 vCPUs.
Question 72
Question
Server virtualization involves the following features (Three answers)
Answer
-
Bare metal architecture
-
Floppy disk pass-through
-
CPU and Memory virtualization
-
GPU, iNIC, and USB pass-through
Question 73
Question
Today, One VM support more than of 1 TB virtual memory.
Question 74
Question
Storage 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.
Question 75
Question
Huawei data stores support the following file system formats:
Question 76
Question
What is the type data level from FC SAN?
Answer
-
File Level
-
File Label
-
Block level
-
Block Label
Question 77
Question
The JBOD provide data redundancy (true or false)
Question 78
Question
Redundant Array of Independent Disk is a storage technology that combines multiple physical disk into a logical unit for improving data redundancy and performance.
Question 79
Question
Raid has the following three characteristics:
Answer
-
Stripes disk data so that data can be accessed on a per block basis, reducing the seek time
-
Accesses multiple disks concurrently on the same disk array to reduce the total seek time
-
The different RAID level are technological superiority than each other
-
Employs mirroring or parity check to provide data redundancy
Question 80
Question
What is the incorrect statement?
Answer
-
RAID 1 does not stripe data like RAID0
-
RAID 5 employs a rotating parity scheme and does not have a fixed parity disk
-
RAID 10 performs mirroring first and then striping
-
20 member RAID disks delivers superior performance than 8 or 9 member RAID disks.
Question 81
Question
When 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?
Answer
-
LUN copy disk
-
RAID backup disk
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Hot spare disk
-
Free Hot disk
Question 82
Question
What is the transferring function the data into spare disk when a RAID disk fail?
Answer
-
Precopy
-
LUN copy
-
Reconstruction
-
Mirror
Question 83
Question
On the physical volume, one or more logical unit numbers can be created and mapped as basic block devices to hosts.
Question 84
Question
... provides the multiple paths for connecting a host to a disk array.
Question 85
Question
When 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.
Question 86
Question
Number the multipathing functions (three answers)
Answer
-
Failover
-
Failback
-
Load Balanxing
-
Failtranfer
Question 87
Question
Snapshots of a VM record... (three answers)
Answer
-
the disk data
-
memory data
-
configuration data
-
cache data
Question 88
Question
¿What is the virtualization? (two answers)
Answer
-
Convert physical resources into logical resources
-
Add a virtualization layer on the system to virtualized its underlying resources
-
Convert logical resources into resources physical
-
Adds y recovery logical devices to physical devices
Question 89
Question
Some benefits of Virtualization could be... (Three answers)
Answer
-
Improved hardware utilization and OS desacouple from hardware
-
Reduce carbon footprints
-
Efficient IT operation, maintenance and lower labor cost
-
Reduce IOPS between hardware and software
Question 90
Question
In Principle of de Virtualization, what define it: Multiple VMs can run on the same physical server?
Answer
-
Isolation
-
Zoning
-
Encapsulation
-
Hardware-independence
Question 91
Question
Virtual Machine Monitor is refered to...
Question 92
Question
Which of the virtualization patterns is the major trend?
Question 93
Question
Types of computing virtualization (Three answers)
Question 94
Question
Multiple 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
Answer
-
I/O CPU
-
I/O Memory
-
I/O device
-
I/O Storage
Question 95
Question
Into Virtual CPU. VMs share the same Memory addresses (true or false)
Question 96
Question
The 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)
Question 97
Question
The 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.
Question 98
Question
An 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.
Question 99
Question
I/O virtualization needs to resolve the following two problems:
Answer
-
Reuse the memory: Many VM request great amount the memory
-
Device discovery: Controls the devices accessible to VMs.
-
Access interception: Processes devices' access requests through I/O ports.
-
Try and try CPU resources: Many VM request great amount the CPU instructions
Question 100
Question
In the I/O virtualization, How to discover a device? (Three answers)
Answer
-
The device information about all VMs is saved on the XenStore of Domain0.
-
The XenBus (a paravirtualizaton driver designed for Xen) on VMs communicates with the XenStore of Domain0 to obtain device information.
-
The front-end driver for the device is loaded.
-
The front-end OS for the device is loaded.
Question 101
Question
In I/O virtualization, How to intercept device data? (two answers)
Answer
-
The front-end device driver forwards data completely to the back-end driver through the interfaces provided by the VMM.
-
The back-end driver processes VM data on a time and channel basis.
-
The front-end device driver forwards I/O instructions to core cpu
-
The back-end driver processes data host
Question 102
Question
VT-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)
Question 103
Question
VT-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.
Question 104
Question
VT-c: VT for Connectivity, which is mainly applied on network adapters. It includes two core technologies: VMDq and VMDc.
Question 105
Question
Storage 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)
Answer
-
thin provisioning,
-
snapshot
-
linked clone
-
lun copy
Question 106
Question
"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)
Question 107
Question
Currently, storage device virtualization applies ..... and provides a small number of advanced functions. (Two answers)
Answer
-
FusionCPU
-
Huawei Advanced SAN
-
FusionStorage
-
Huawei Advanced NAS
Question 108
Question
"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.
Question 109
Question
A cloud computing data center don't allows dynamic migration of VMs, which is easy in traditional data centers.
Question 110
Question
Distributed virtual switching implement... one u other switches, What are they? (Two answers)
Answer
-
vSwitches
-
Traditional Switches
-
eSwithes
-
Physical Switches
Question 111
Question
Virtualization improves resource utilization: 6 cores are functionally equivalent to 7 cores and 8 GB functionally equivalent to 10 GB
Question 112
Question
Virtual hardware correspond to physical hardware in a one-to-one mapping. Virtualization technologies can virtualize one physical device into one virtual device.
Question 113
Question
What is the Huawei Cloud Computing Solution name?
Answer
-
FusionStack
-
FusionCloud
-
FusionSphere
-
FusionCompute
Question 114
Question
FusionAccess provides a customer experience oriented "any devices " + "any networks " + "any applications" solution seamless visit to cloud