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Which is the correct description of a pinned buffer in the database buffer cache（）
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.
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Which of these is a correct description of SSO？（）
A . It will only become active after a software failure.
B . It will only become active after a hardware failure.
C . It requires that Cisco NSF be enabled in order to work successfully.
D . It synchronizes the MAC·， FIB·， and adjacency tables between Active and Standby RouteProcessors.
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Which of these is a correct description of Stateful Switchover？（）
A . It will only become active after a software failure
B . It will only become active after a hardware failure
C . It requires that Cisco N3F· be enabled in order to work successfully
D . It synchronizes the MAC·， FIB·， and adjacency tables between Active and Standby Route Processor
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Which description of BGP authentication is true？（）
A . MD5 has been used by BGP to encrypt BGP update packets.
B . BGP uses a message-digest algorithm to authenticate BGP peers
C . A plain-text password authentication is an option of BGP authentication
D . EBGP peers authentication is faster than IBGP peers authentication
E . BGP uses public key and private key to authenticate BGP peers.
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Which description about asymmetric encryption algorithms is correct？（）
A . They use the same key for encryption and decryption of data.
B . They use different keys for decryption but the same key for encryption of data.
C . They use different keys for encryption and decryption of data.
D . They use the same key for decryption but different keys for encryption of data.
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Which of the following descriptions about IP spoofing is correct？（）
A . IP source address is forged
B . IP destination address is forged
C . IP TCP source port is forged
D . IP TCP destination port is forged
E . None of above
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In the following descriptions of Forrest Gump, which one is not true about him?
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Which description about the stove is not true?
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Which description of Mrs. Gump is not true?
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Which one is not the description of medicine?
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Which is a description of a private equity firm?
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Which one is right about George Washington?( )
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Which of the following sentences is doctor’s job description?
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Which of the following is NOT included in the project descriptions of a proposal?
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Which of the following is the right description about CRM?
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Which one is right?
A、May 5,2018
B、5 May，2018
C、5th May, 2018
D、May 5th, 2018
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which of the followings is not right?
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Which translation is right？
A．副董事长 assistant chairman
B．副部长 assocaite minister
C．副编辑 vice editor
D．副经理 deputy manager
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Which of the descriptions on “prepregs” is not true？（)
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
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2. which of the following sentences is right？
A、On the one hand, fast food is not as nutritious as the food cooked in traditional ways. On the other hand, fast food might have a profound impact on the bond between people.
B、On the one hand, fast food brings us convenience. On the other hand, fast food might have a profound impact on the bond between people.
C、On the one hand, fast food saves us plenty of time from preparing meals. on the other hand, it birngs us lots of pleasure.
D、On the one hand, compared with tasting traditional food, fast food prevents us from contacting the traditional culture . On the other hand, fast food might have a profound impact on the bond between people.
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Which is the right expression of “不要让自己过于劳累”？
A、Exercise and work are helpful.
B、Be careful not to stumble.
C、Don’ t over-tire yourself.
D、They will keep me from being constipated.
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Which one is correct of the following descriptions about the transport mechanism of macromolecular substances（）
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
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Which of the following descriptions of pre-Islamic Arabia is not true？（)
A.Pre-Islamic Arabia was backward and underdeveloped.
B.Pre-Islamic Arabs showed no interest in sea trade.
C.Mecca was one of the most important trading centers.
D.Pre-Islamic Arabs would pray to their tribal gods or goddesses.
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Which of the descriptions on “thermoset prepregs” is not true？（)
A．A.The resin matrix for thermoset prepregs is partially cure
B．B.The resin matrix for thermoset prepregs is fully cross-linked
C．C.The thermoset prepregs are dramatically different from thermoplastic prepregs.
D．D.More commonly used in prepreg composite manufacturing is thermoset prepregs.
