A fairly accurate estimation of a ship’s position can be calculated by a technique known as（）.

A . on Catalyst switches， the show auto discovery qos command is used to display the data collected during the Auto-Discovery phase B . on Catalyst switches， the show auto qos command is used to display packet statistics of all classes that are configured for all service policies C . on Cisco routers， the show mls qos maps command is used to verify the CoS-to-DSCP maps for egress packet queuing D . on Cisco routers， the show auto qos command is used to display the AutoQoS interface templates， policy maps， class maps， and ACL

A . VTP allows routing between VLANs. B . VTP allows a single port to carry information to more than one VLAN. C . VTP allows physically redundant links while preventing switching loops. D . VTP allows switches to share VLAN configuration information.

A . SQL Access Advisor recommendations are automatically implemented. B . Individual SQL Access Advisor recommendations can be scheduled for implementation. C . All SQL Access Advisor recommendations for a specific task must be implemented at the same time. D . SQL Access Advisor recommendations are automatically scheduled for implementation during the maintenance window. E . None of the above.

A .  SQL Access Advisor recommendations are automatically implemented. B .  Individual SQL Access Advisor recommendations can be scheduled for implementation. C .  All SQL Access Advisor recommendations for a specific task must be implemented at the same time. D .  SQL Access Advisor recommendations are automatically scheduled for implementation during the maintenance window. E .  None of the above.

A . associated with a pool of blades B . represents a group of physical blades C . stores connectivity requirement

A . A role can be given to a maximum of 1000 users. B . A user can have access to a maximum of 10 roles. C . A role can have a maximum of 100 privileges contained in it. D . Privileges are given to a role by using the CREATE ROLE statement. E . A role is a named group of related privileges that can be granted to the user. F . A user can have access to several roles, and several users can be assigned the same role.

A . The oil mist detectors B . The smoke detectors C . An oily water monitor D . Oil discharge monitoring and controlling system

A . dead reckoning B . Pilotage C . great circle sailing D . geographic navigatio

是 否

A derivative: A、Always increases risk. B、Has no expiration date. C、Has a payoff based on another asset.

The writer suggests that Catch -22 is ______. () A．a very great English novel B．an accurate portrayal of life in wartime C．an excellent piece of satire D．the work of a neglected author

B: Likewise．Take a seat, please．How about a cup of tea？ A: Sure．Thank you．It seems your business is prosperous．There are many customers here. B: Yes, it's not too bad．Our sales are going up year after year．And we still have a large potential production capacity. A: Well, what do you think of choosing a commission representative or agent abroad to promote your sales？ B: That's a good idea．So far, we have several agents abroad. A: We are willing to be your agent in Thailand for hand-held tools．What do you think？ B: That sounds good. A : Then , what's your usual commission rate for your agents？ B: Usually, we give a commission of 3% to our agents. A: 3% is too low, I think．You see, we have a lot of work to do in sales promotion such as advertising on radio or TV, printing booklets, leaflets, catalogues and so on．It all costs money．3% is not enough. B: Don't worry．We'll allow you a higher commission rate if your sales score a substantial increase. A: You mean to say.-- B: Now, if you sell US ＄2 million worth of hand-held tools annually, we can only allow 3% commission．If the annual turnover exceeds US ＄5 million, you can get 5% commission．What do you think of that？ A: It sounds OK．Then how do you pay the commission？ B: We may deduct the commission from the invoice value directly or remit it to you after payment. A: All right．If it's okay, we would like to sign an agency agreement with you immediately. B : Think it over．We hope to keep a good business relationship with you. A: Thank you for your help.

A．Mesokurtotic B．Platykurtotic C．Leptokurtotic