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Questions # 21:

Which of the following descriptions about RAID 2.0 is incorrect?

Options:
A.

RAID 2.0 divides disks into multiple contiguous storage space of a fixed size. Each storage space is called a chunk (CK).

B.

Multiple CKs form a RAID group, that is, a chunk group

C.

A CKG is divided into multiple small data blocks (extents)

D.

Extents from same CKGs form LUNs

Expert Solution
Questions # 22:

In some high sensitive web server, such as the government web site, this always the target of global hacker. Which of the following security technologies is used to protect the web server from malicious attacks?

Options:
A.

Web tamper protection system

B.

Web Application Firewall

C.

SSL encryption

Expert Solution
Questions # 23:

What is the value range of VLAN that is available to users?

Options:
A.

0 to 4095

B.

1 to 4095

C.

1 to 4094

Expert Solution
Questions # 24:

What is the main difference between a Hub and a switch?

Options:
A.

In a hub, all connected devices gets all Ethernet frames. In a switch, Ethernet frames are sent to destination ports

B.

In a hub, some connected devices gets all Ethernet frames. In a switch, Ethernet frames are sent to all destination ports

C.

In a Switch, all connected devices gets all Ethernet frames. In a hub, Ethernet frames are sent to some destination ports

D.

In a Switch, some connected devices gets all Ethernet frames. In a hub, Ethernet frames are sent to one destination port

Expert Solution
Questions # 25:

The unified store management cloud offers well-established infrastructure as a service (IaaS), including ECS, EVS, cloud database, high-speed bandwidth, and VPN services.

Options:
A.

TRUE

B.

FALSE

Expert Solution
Questions # 26:

If the internal network is large, when policy control needs to be strong, are often deployed in the internal network design BGP.

Options:
A.

TRUE

B.

FALSE

Expert Solution
Questions # 27:

IT system architecture can be divided into computing, network, storage and software resources.

Options:
A.

TRUE

B.

FALSE

Expert Solution
Questions # 28:

Which technology is used to process massive data generated by sensors in autonomous cars.

Options:
A.

Hadoop platform

B.

DB2

C.

oracle

Expert Solution
Questions # 29:

If a node is faulty, which function support VM start on other nodes?

Options:
A.

Migration function

B.

HA function

C.

Synchronization function

Expert Solution
Questions # 30:

Which of the following descriptions about Trends for the Internet + Healthcare is incorrect?

Options:
A.

Network-based hospital can help hospitals provide convenient services for patients ,using mobile apps on the cloud platform.

B.

Online treatment sites are mainly specialist at present

C.

The integration of cloud technologies and platforms enable the development of regional healthcare platforms, diagnosis stations, and pathology centers

D.

The national healthcare info platform uses national healthcare DCs and various relevant business platforms to form the private healthcare cloud and serve the public

Expert Solution
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