山丘地区的中线测量除标定其中心线的位置外，还应概略确定中线的高程位置，确定高程使用的测量仪器

A. It utilizes the OS file system cache.

B. A traditional NFS mount is not required when using Direct NFS.

C. Oracle Disk Manager can manage NFS on its own, without using the operating kernel NFS driver.

D. Direct NFS is available only in UNIX platforms.

E. Direct NFS can load-balance I/O traffic across multiple network adapters.

Which of the following statements about ORACLE is (are) correct？

Ⅰ.ORACLE follows SQL standard

Ⅱ.ORACLE database defines two logical types: table and view

A．Ⅰonly

B．Ⅱ only

C．Ⅰ and Ⅱ

D．none of the above

A.VLANs increase the size of collision domains.

B.VLANs allow logical grouping of users by function.

C.VLANs simplify switch administration.

D.VLANs enhance network security.

A. Its entries are specific to a single database.

B. It contains file systems that have been mounted by Direct NFS.

C. It is globally available to all Oracle 11g databases on the machine.

D. It contains file systems that have been mounted by the kernel NFS system.

A. VLANs increase the size of collision domains.

B. VLANs allow logical grouping of users by function.

C. VLANs simplify switch administration.

D. VLANs enhance network security.

A. SONET and SDH both use time-division multiplexing.

B. An optical transport network system uses time-division multiplexing.

C. SONET and SDH both use wavelength-division multiplexing.

D. An optical transport network system uses wavelength-division multiplexing.

A.The switchport belongs only to VLAN 2

B.Interface fa0/0 will be in both VLAN 1 (by default) and VLAN 2

C.The exhibit shows interface fa0/0 to be dynamically mapped to VLAN 2

D.A network host can be connected to this interface

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.

A. Convergence time is fractionally slower than STP.

B. Broadcast and fault domains are increased.

C. IP address space is difficult to manage.

D. Fast uplink convergence is supported for failover and fallback.

Which of the following statements about verbal styles are true？

A.Personal style. is the verbal style. that emphasizes the individual identity of the speaker.

B.Western people often avoid direct fact to please the other parties.

C.Many Asians use an indirect verbal style.

D.Americans place importance on boasting about their ability and accomplishment.