The description of the algorithm is:1 It is effective for a class of problems;2 Effective for individual problems;3 The calculation can be performed step by step, each step has a unique result;4 is a

A . The buffer is currently being accessed. B . The buffer is empty and has not been used. C . The contents of the buffer have changed and must be flushed to the disk by the DBWn process.  D . The buffer is a candidate for immediate aging out and its contents are synchronized with the block contents on the disk.

A . Sea water is heated to boiling temperature while under a vacuum B . Sea water is passed over heated plates in a thin film C . Heated sea water is injected into a vacuum chamber D . Sea water is forced through a heated eductor

A . The corresponding indexes for the table are also truncated. B . Delete triggers on the table are fired during the execution of the TRUNCATE command. C . The child table is truncated when the TRUNCATE command is applied on the parent table. D . The high-water mark （HWM） is set to point to the first usable data block in the table segment. E . No undo or very little undo data is generated during the execution of the TRUNCATE command

A . The configuration on the FTP server is copied to RAM B . The command is not valid on a Cisco router C . The configuration file in RAM is copied to an FTP server D . The configuration file in NVRAM is copied to an FTP server E . The configuration on the FTP server is copied to NVRAM F . The configuration will be copied from NVRAM to an FTP server with a filename of Kevi

A . the time it takes for a Layer 3 switch or a router to switch a packet from an inbound interface to the queue of the outbound interface B . the time it takes for a propagate from source to destination C . the time it takes to place a frame on the physical medium for transport D . the time a packet resides in the outbound queue of a router

A . Transparent mode is layer 2. B . Routed mode is layer 3. C . Routed mode has 1 IP address. D . Transparent mode has 1 IP address.

A .  Transparent mode is layer 2. B .  Routed mode is layer 3. C .  Routed mode has 1 IP address. D .  Transparent mode has 1 IP address.

A . a conditional B . an absolute C . a considerable D . a substantial

A．interest in their language B．appreciation of their efforts C．admiration for their memory D．contempt for their old-fashionedness

A．A.PCWAS: Support the +24VDC input and is applicable to the CWU and SMU. B．B.PCWAS: Support the -48VDC input and is applicable to the CW C．C.PCWAH: Support the -48VDC input and the voltage ranges from –40V to–57V. D．D.PCWCS: Support the -60VDC input and is applicable to the CWE

A.The Mycenaeans were the first people known to have spoken Greek. B.The Mycenaeans regarded the Minoans as their potential enemies. C.The Mycenaean raid on Crete was recorded in Homer’s epics. D.The Mycenaean era is also called the “Age of Heroes”.

A．A.A prepreg is the impregnated fiber reinforcement with a resin matrix. B．B.The fiber reinforcement in a prepreg only exists in unidirectional forms C．C.The fiber reinforcement in a prepreg can exist in unidirectional or fabric forms D．D.The resins for a prepreg includes thermoset and thermoplastic resins

A．Some are not very good. B．It is unusual to see such paintings. C．Many were drawn by children. D．The artists were mostly right-hande

A．Signal-regulated secretion requires the participation of clathrin, whereas continuous secretion is not required B．The specificity of the transporter is regulated by clathrin and adaptin in the composition of the vesicles C．Receptor-mediated transport needs protein or protein complex to associate with a specific receptor in the cell membrane D．Insulin secretion is endocytosis

A．vague B．enigmatic C．ambiguous D．clear

A．it B．which C．that D．where