What is NOT a function of the air supply of a covered lifeboat?（）

A . redundant infrastructure B . clustering of computer systems C . reduced MTBF D . continuous operation of computing system

A . Bandwidth that is reserved for SVCs to route over a trunk B . Bandwidth that is reserved on a trunk so that ABR connections can burst C . Bandwidth on a trunk that is reserved for control traffic and cannot be used by connections D . Bandwidth that cannot be allocated to connections but can be used to accommodate statistical variations in the traffic

A . The total end-to-end delay B . The variations of delay. C . The delay caused by placing the bits on the wire. D . The time it takes for the bits to transit the physical media.

A . Tag Calling Interface B . Tag Control Identifier C . ToS Class Interface D . Tag Control Informatio

A . Once created, a sequence belongs to a specific schema. B . Once created, a sequence is linked to a specific table. C . Once created, a sequence is automatically available to all users. D . Only the DBA can control which sequence is used by a certain table. E . Once created, a sequence is automatically used in all INSERT and UPDATE statements.

A . She is a typist B . She is talking to her friend C . She is having a holiday. D . She is my sister.

A . It is a famous bank. B . It is a big department store. C . It is a famous insurance company. D . It is a large hotel.

A .  redundant infrastructure B .  clustering of computer systems C .  reduced MTBF D .  continuous operation of computing system

A . A current at minimum flow B . A current coming in C . A current going out D . A current at maximum flow

A . The fioot/tons needed to trim the vessel by 1 inch B . The foot/tons needed to trim the vessel by 1 foot C . The moments needed to trim the vessel by 1 centimeter D . The amount of vessel will trim when loading 100 tons 100 feet from the tipping center

A . Downhaul B . Backstay C . Halyard D . Sheet

A . 2 B . 3 C . 1，2 D . 2，3 E . 1，2，3

A . do B . to do C . doing D . to doing

A . scanning streaming media for malware B . scanning multiple downloads at the same time C . passing pieces of a download to the client while the download is being scanned D . passing scanned pieces of the file between two different malware-scanning engine

A . The amount of buoyancy measured in foot/tons B . The vertical distance above the waterline inside the hull C . The volune of space that is filled with water D . The volume of intact space above the waterline

A . Link Control Protocol（LCP） is used for basic PPP link setup and operation B . Link Control Protocol（LCP） is used for denying PPP connections to unauthorized devices. C . Link Control Protocol（LCP） for PPP is synonymous to ARP for Ethernet. D . None of the above

A．November 9th, 2009 B．November 3rd, 2009 C．November 14th, 2009 D．November 15th, 2009

A.excess B.magnet C.exaggeration D.consensus