When load balancing traffic between two web servers， which of the following technologies provides the LOWEST cost solution？（）A、 Active/passive clusterB、 Active/active clusterC、 Log shippingD、 DNS round robin
When load balancing traffic between two web servers， which of the following technologies provides the LOWEST cost solution？（）
- A、 Active/passive cluster
- B、 Active/active cluster
- C、 Log shipping
- D、 DNS round robin
相关考题：
To safeguard the operator and other personnel working on or near a hoisting operation, which of the following precautions should be observed?A.Keep a load on the hoist until all personnel are finished workingB.Set the load on a movable dolly when transportation may be neededC.Have one man keep a hand on the load to steady itD.Insure that the lifting gear capacity is not exceeded
When must the Master of a vessel log the position of load line marks in relation to the surface of the water in the Official Logbook?A.Once a dayB.At the change of every watchC.Only when in fresh or brackish waterD.Prior to getting underway
When must the Master or person in charge of a ship log the position of load line marks in relation to the surface of the water in the logbook?A.Once a dayB.At the change of every watchC.Only when in fresh or brackish waterD.Prior to getting underway
What does “evel-luffing” accomplish during crane operations ________．A.It prevents the load from swinging when the boom level is adjustedB.Less power is needed when topping the boom with a load on the hookC.It maintains the height of the load above the deckD.All of the above
When a cargo boom or crane is rated at varying capacities，there will be a table at the controls which relates safe working load to ______．A.winch speedB.boom strengthC.load radiusD.cable strength
Which statement about the inert gas system is TRUE ________．A.Boiler soot blowers should never be used when the IG system is operatingB.The boiler will produce the best quality of flue gas for the IG system when the boiler load is very lightC.The boiler will produce the most quantity of flue gas for the IG system when the boiler load is very lightD.Flue gas with excessive oxygen content is de-oxygenated in the scrubber
An on-load release system on a survival craft means the cable can be released ______.A.only when the load is taken off the cableB.only when there is a load on the cableC.only when activated by the controls at the lowering stationD.at any time
When configuring a WLAN controller for a voice application using Cisco 7920 wireless IP phones. Whichtwo general control settings should you select？（）A、Multicast onB、Aggressive Load Balancing offC、Multicast offD、AP Fallback onE、Aggressive Load Balancing on
When configuring a WLAN controller for a voice application using Cisco 7920 wireless IP phones，which two general control settings should you select？（）A、Aggressive Load Balancing onB、Aggressive Load Balancing offC、Multicast onD、Multicast offE、AP Fallback onF、AP Fallback off
Which of the following choices correctly describes the difference between a data load via the conventional path and the direct path?（）A、One runs faster than the otherB、A conventional path data load bypasses most of the Oracle RDBMS, whereas a direct path load is a high-speed version of the SQL INSERTC、A direct path data load bypasses most of the Oracle RDBMS, whereas a conventional path load is a high-speed version of the SQL INSERTD、The conventional path runs when the CONVENTIONAL command-line parameter is set to TRUE
单选题Which of the following choices correctly describes the difference between a data load via the conventional path and the direct path?（）AOne runs faster than the otherBA conventional path data load bypasses most of the Oracle RDBMS, whereas a direct path load is a high-speed version of the SQL INSERTCA direct path data load bypasses most of the Oracle RDBMS, whereas a conventional path load is a high-speed version of the SQL INSERTDThe conventional path runs when the CONVENTIONAL command-line parameter is set to TRUE
单选题When ship is fouled, increasing the fuel injection for keeping the normal speed will cause the main engine （）Ato work as overload characteristicBoverspeedCover mechanical load onlyDover thermal load only
单选题Damage stability is the stability（）.Awhich exists when the wind speed is less than 50 knotsBbefore collisionCafter floodingDat the maximum load
多选题When configuring a WLAN controller for a voice application using Cisco 7920 wireless IP phones，which two general control settings should you select？（）AMulticast onBAggressive Load Balancing offCMulticast offDAP Fallback onEAggressive Load Balancing onFAP Fallback off
单选题The greatest strain，when lifting a load with the jumbo purchase，is on（）.Aall of the parts，dividing the load equallyBthe hauling part because it must absorb the frictional losses of all the sheavesCthe parts in the movable blockDthe standing part because it is directly connected to the weight
单选题The force acting on a single cargo runner which is vertically lifting or lowering a load is greatest when（）.Adecelerating when lowering the loadBdecelerating when raising the loadClowering the load at constant speedDraising the load at constant speed
单选题Which statement about a none zero value for the load metric (k2) for EIGRP is true?（）AA change in the load on an interface will cause EIGRP to recalculate the routing metrics and send a corresponding update out to each of its neighbors.BEIGRP calculates interface load as a 5 - minute exponentially weighted average that is updated every 5 minutes.CEIGRP considers the load of an interface only when sending an update for some other reason.DA change in the load on an interface will cause EIGRP to recalculate and update the administrative distance for all routes learne d on that interface.
单选题To safeguard the operator and other personnel working on or near a hoisting operation which of the following precautions should be observed?（）AKeep a load on the hoist until all personnel are finished workingBSet the load on a movable dolly when transportation may be neededCHave one man keep a hand on the load to steady itDInsure that the lifting gear capacity is not exceeded
单选题When must the Master of a vessel log the position of load line marks in relation to the surface of the water in the Official Logbook?（）AOnce a dayBAt the change of every watchCOnly when in fresh or brackish waterDPrior to getting underway
单选题When the heat load begins to increase, the needle valve of an expansion valve will（）Amove in an opening directionBmove in a closing directionCeither open or closeDnot move at all
单选题The pumps press oil into the cross-head bearing gap when the load on the shell is at its lowest What is the meaning of “its” in the sentence above?（）Athe cross-headBthe pumpsCthe shellDthe load
单选题The exhaust gases for a new engine should be （） when the engine operates under full load.AsmokyBa little bit denseCvisibleDalmost invisible
单选题A clause in the charter party requires a vessel’s owner to pay dispatch money when the vessel （）.Achanges berths to expedite loading or dischargingBdoes not load and discharge its cargo in the time specifiedCis not ready to load or discharge cargoDloads and discharges its cargo in less time than specified
单选题An on-load release system on a survival craft means the cable can be released（）.Aonly when the load is taken off the cableBonly when there is a load on the cableConly when activated by the controls at the lowering stationDat any time
单选题What does “evel-luffing” accomplish during crane operations（）.AIt prevents the load from swinging when the boom level is adjustedBLess power is needed when topping the boom with a load on the hookCIt maintains the height of the load above the deckDAll of the above
单选题The single acting cylinder is the simplest form where pressure is applied to the full area of the piston head to move the load through piston rod extensionThe load causes rod （） when the drive pressure is released.AcontractionBretractionCexpansionDshrinkage
单选题When must the Master or person in charge of a ship log the position of load line marks in relation to the surface of the water in the logbook?（）AOnce a dayBAt the change of every watchCOnly when in fresh or brackish waterDPrior to getting underway