解释data block , extent 和 segment的区别(这里建议用英文术语)
A.不会检查数据的有效性
B.周期性地将本节点的Block相关信息发送给Name Node
C.不同的Data Node存储的Block一定是不同的
D.一个Data Node上的Block可以是相同的
A. Advising on block checksum failures
B. Advising on inaccessible control files
C. Advising on inaccessible block change tracking files
D. Advising on empty password files
E. Advising on invalid block header field values
A. Data is accessed using NFS or CIFS.
B. Data is accessed at the block level.
C. NAS is referred to as captive storage.
D. Storage devices can be shared between users.
E. A NAS implementation is not as fast as a DAS implementation.
What is the Lifemail program famous for?
A.The simplest design.
B.Being immune to computer viruses.
C.1GB of online data storage for each user.
D.Its capacity to block junk mail.
A block may not only indicate the insertion of new information,but also the omission of matter previously shown.The text of the Notice should invariably be read carefully.The limiting lines of a block are determined for convenience of reproduction.They need not be strictly adhered to when cutting out for pasting on the chart,provided that the preceding paragraph is taken into consideration.Owing to distortion the bocks do not always fit the chart exactly.When pasting a block on a chart,therefore,care should be taken that the more important navigational features fit as closely as possible.This is best done by fitting the block while it is dry and making two or three pencil ticks round the edges for use as fitting marks after the paste is applied to the chart.
问题:
DISTORTION means that ______.
A.the change in form of the block
B.extract of in form of the block
C.the extension in form of the block
D.the increasing of the data in the block
When cutting out and pasting the block care should be used to ensure that ______.A.it be dry enough
B.pencil should be used properly
C.the limits are adhered strictly
D.the more important navigational features fit as closely as possible
The block is not used to ______ .A.show omissions
B.provide new information
C.make corrections to the Notice
D.change the shape of the charts
The block should be ______ on the chart.A.pasted
B.drawn by pencil
C.fitted
D.put
A.A.12 km
B.B.18 km
C.C.35 km
D.D.70 km
()A. network B. computers C. data D. functionality
()A. system B. component C. middleware D. module
()A. incompatible B. compatible C. similar D. dissimilar
()A. Internet B. LAN C. intranet D. firewall
()A. organization B. group C. model D. block
You are the administrator for Ezonexam.com's network.
Your network includes Windows 2000 Professional client computers, Windows NT Workstation 4.0 client computers, Windows 98 client computers, and UNIX client computers. Users of the Windows operating systems store files on shared folders on a Windows 2000 Server computer named FileServ.
You want to make the shared folders on FileServ available to the UNIX computers.
What should you do?
A.Install and configure Network File System (NFS) on FileServ.
B.Configure data volumes on FileServ to be FAT volumes.
C.Disable Server Message Block (SMB) signing on FileServ.
D.Install Simple TCP/IP Services on FileServ.
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