更多"Reference"的相关试题:
[单项选择]In which cases is reference partitioning effective in enhancing performance?（）
A. It is effective only in partition pruning.
B. It is effective only in partitionwise joins provided that the query predicates are different from the partitioning key.
C. It is effective in both partition pruning as well as partitionwise joins provided that the query predicates are identical to the partitioning key.
D. It is effective in both partition pruning as well as partitionwise joins irrespective of whether the query predicates are different from or identical to the partitioning key.
[单项选择]Which reference code is displayed during the boot process that signals that an administrator may interrupt the boot process to enter the SMS Menu?（）
A. 517
B. B0G1
C. E1F1
D. 00A8
[单项选择]What information does the help reference command provide?（）
A. A brief description of commands and their default values
B. The serial number and version number of the device used to open a support case with JTAC
C. A list of all the active hardware alarms on the device
D. A display of the current configuration while in operational mode
[判断题]Tense and reference are two terms often encountered in the study of meaning.
[单项选择]One of the main functions of the Reference Department is to ______.
[单项选择]Where is the TX reference point? （）
A. Where the jumper cable is connected to the output of the TX.
B. Where the jumper cable is connected to the RBS.
C. Where the jumper cable is connected to the output of the combiner.
D. Where the jumper cable is connected to the antenna.
E. Immediately outside the antenna.
[单项选择]Which layer of the OSI reference model is responsible for ensuring reliable end-to-end delivery of data?（）
A. Application
B. Presentation
C. Session
D. Transport
E. Network
F. Data-Link
[单项选择]Which layer in the OSI reference model is responsible for determining the availability of the receiving program and checking to see if enough resources exist for that communication?（）
A. transport
B. network
C. presentation
D. session
E. application
[单项选择]With reference to a rotary vane steering gear system, which one of the following statements is true?（）
A. The three moving vanes and the three fixed vanes form three pressure chambers
B. The three moving vanes and the three fixed vanes form six pressure chambers
C. The three moving vanes and the three fixed vanes form nine pressure chambers
D. The three moving vanes and the three fixed vanes form twelve pressure chambers
[单项选择]With reference to rules governing steering gear, which one of the following rules is incorrect? （）
A. It is required that all ships are provided with two independent steering gear systems that is one main and one auxiliary
B. The auxiliary gear could be power operated in passenger ships
C. The auxiliary gear must be of adequate strength and sufficient to steer a ship at navigable speed
D. All moving parts of the steering gear must be guarded against any possible damage
[单项选择]The reference to Mount Everest in Para. 9 differs from that in para. 10 in that the first reference is an example of ______.
A. (A) something easy to do, whereas the second reference is an example of something difficult
B. (B) goals that have been achieved in the past, whereas the second reference is an example of goals to be considered
C. (C) a tall mountain, whereas the second reference is an example of the tallest mountain
D. (D) something outlandish, whereas the second reference is an example of a goal worth pursuing
[单项选择]Which layer of the OSI reference model uses flow control, sequencing, and acknowledgements to ensure that reliable networking occurs?（）
A. data link
B. network
C. transport
D. presentation
E. physical
[单项选择]Which layer of the OSI reference model uses the hardware address of a device to ensure message delivery to the proper host on a LAN?（）
A. physical
B. data link
C. network
D. transport
