特征性履行（Characteristic Performance）方法

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• The suction - force principle of operation is a typical characteristic of （）.

  A . centrifugal pumps B . jet pumps C . propeller pumps D . reciprocating pum

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• Which of the following is a characteristic of a sequence?（）

  A . A sequence will never generate duplicate values B . The MAXVALUE of a sequence can be equal to the MINVALUE C . It is not possible to create a sequence that generates a constant since the INCREMENT value must be greater than zero D . When a sequence cycles back to either the MAXVALUE or MINVALUE, it will always be equal to the specified value of either of these two boundarie

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• Which of the following is a characteristic of a schema?（）

  A . Foreign key references cannot cross schema boundaries. B . A DB2 user must be created before a schema with the same name can be created. C . If no schema is specified when an object is created, the default schema PUBLIC is used. D . A schema enables the creation of multiple objects in a database without encountering namespace collisions.

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• n a virtual port channel （vPC） configuration， VRRP exhibits which characteristic？ （）

  A .  VRRP does not work with vPC due to industry standard requirements B .  VRRP works with vPC in traditional active/standby modes C .  VRRP works with vPC in an active/active mode D .  VRRP work with vPC as long as vPC peer-gateway is configured to address non-standard replies to the physical MAC addre

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• A chemical additive to LPG gives it a characteristic（）.

  A . odor B . color C . pressure D . density

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• Which three statements are characteristic of the MEMORY storage engine?（）

  A . It can support transactions B . Table contents are not saved if the server is restarted C . It cannot contain text or BLOB columns D . It can support foreign keys E . Each table is represented on disk as an.frm file F . Each table has a corresponding.MYI and .MYD file

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• What is a characteristic of all centrifugal cargo pumps? （）

  A . They are self-priming B . Decreasing the speed of rotation will decrease the discharge pressure C . Opening the discharge valve wider will increase the discharge pressure D . All of the above

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• The characteristic of a lighted cardinal mark may be （）.

  A . very quick flashing B . flashing C . fixed D . occulting

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• What are the characteristic of link state routing protocols?（）

  A . The exchange of advertisement is triggered by a change in the network. B . All routers exchange routing tables with each other iIn a multipoint network. C . Packets are routed based upon the shortest path to the destination. D . Paths are chosen depending on the cost efficiency factor. E . Every router in an OSPF area is capable of representing the entire network topology. F . Only the designated router in an OSPF area can represent the entire network topology.

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• Which is characteristic of the Business Delegate pattern？（）

  A .  It decreases complexity by removing a layer of proxy classes. B .  It reduces coupling between tiers by hiding implementation details. C .  It decreases performance due to the lack of caching of remote data. D .  It forces business-tier expectations to be dealt with in the presentation-tier.

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• What is a characteristic of Network Time Protocol？（）

  A . NTP updates are sent in the timezone they are collected in，and the syslog server will adjust based  on the input time. B . NTP authentication verifies the source，not the recipient. C . NTP authentication requires that the recipient has multiple strata clocks to ensure accuracy. D . Secure NTP can be configured to use SHA-1 hashing，since NTP is very insecure. E . A stratum 0 clock should be configured at the core of every network，so it can connect to an accuratetime source.

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• One characteristic of a pulse type turbo-charging system is（）

  A . high average exhaust manifold B . greatly fluctuating inlet manifold pressure C . constant exhaust manifold pressure D . multiple exhaust pipes to the turbocharger

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• Which of the following is not a characteristic of fast switching？（）

  A . Fast switching reducesa routers CPU utilization， compared to process switching B . All packets of a flow， except for the first packet， use the information in the fast cache C . It can be enabled with the interface command ip route-cache D . Fast switching uses a fast cache maintained in a router’s control plane E . The fast cache contains information about how traffic from different data flows should beforwarded F . Even though the fast switching is enabled， the first packet of a flow is still process switched

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• Which of the following is NOT a characteristic of British government?（）

  A、It offers the Queen high political status and supreme power. B、It is both a parliamentary democracy and a constitutional monarchy. C、It is the oldest representative democracy in the world. D、It has no written form of Constitution.

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• __________, the knowledge economy has become the major characteristic (特征) of the national economy of most developed countries.

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• What are the characteristic features of the Romantic Movement?

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• Which one is NOT the characteristic of the extreme sport?

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• “Selflessness” is part of which characteristic of leadership? 在以下哪一方面的领导力特征中提到了“无私性”

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• Which of the following is not a characteristic of LANs？

  A．Allowing many computers to transfer information between themselves. B．Moving large amounts of data at a speed of 50 million bits/sec. C．Making computers run faster than they do before connected to a LAN. D．Differing greatly from a distributed system in lots of ways.

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• What is the characteristic of Twitters ads？

  A．Twitter"s ads are actually hidden among ordinary tweets. B．Twitter prefers to use big glossy images to attract people"s attention. C．Twitter"s ads are usually sponsored by big companies like Starbucks D．After three years" trial, Twitter has decided to change its ads style.

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• characteristic（）

  A．n.路径，途径 B．实用主义者 C．n.特征 D．（最佳的/最具吸引力的）部分

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• hat is characteristic of work in the 21st century？

  A．Computers will do more complicated work． B．More will be taken by the educated young． C．Most jobs to be done will be the creative ones． D．Skills are highly valued regardless of ag E．

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• The primary characteristic of a financial instrument is（）

  A．Legality B．Liquidity C．Differences D．Riskiness

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• Which is NOT a characteristic of an RISC processor？

  A、a high clock speed B、a highly optimized pipeline C、a few general-purpose registers D、a limited amount of small instructions

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