What is one reason that WPA encryption is preferred over WEP?（）

A . 79xx IP phones do not automatically mark voice packets with non-zero DSCP values. B . 79xx IP phones do not mark protocol packets such as DHCP, DNS, or TFTP with non-zero DSCP values. C . 79xx IP phones do not mark voice packets with optimal DSCP values. D . 79xx IP phones use a custom protocol to communicate CDP information to the switch.

A .  The customer requires Layer 3 roaming. B .  The customer requires immediate wire line integration with a catalyst 6500 switch. C .  The customer needs an outdoor-ready access point. D .  The customer wants the option to migrate to LWAPP.

A . There is a mismatch in encapsulation types B . The wrong type of cable is connected to the interface C . The interface has been configured with the shutdown command D . The interface is not receiving any keepalives E . The interface needs to be configured as a DTE device F . There is no encapsulation type configured

A . seal water supply be cut off B . make-up water supply be cut off C . oil outlet valve closed or not open sufficiently D . the flow rate of oil is too much

A . A WPA key is longer and requires more special characters than the WEP key. B . The access point and the client are manually configured with different WPA key values. C . WPA key values remain the same until the client configuration is changed. D . The values of WPA keys can change dynamically while the system is used.

A . It would bring efficiency to school funding B . It would raise standards and equity in education C . It would reduce government budget in school funding D . It would control both the stale schools and independent schools

A . seal water supply be cut off B . make up water supply be cut off C . oil outlet valve closed or not open sufficiently D . the flow rate of oily water is too much

A.suppression of capitalism B.long feudalistic history C.Cut-off-country-from-Outsides policy D.Renaissance

A.is younger when her children are old enough to look after themselves B.does not like children herself C.need not worry about food for her children D.can retire from family responsibilities

A．it will cause fear among the public. B．hacking has not caused much damage. C．tough measures are illegal. D．communication may be interrupted.

A．the government is unwilling to put more money in building projects. B．foreign investors stopped funding the building projects. C．the deficit in the first month of the year has gone beyond the estimate of government.

A．Grooming may cause an enemy or predator to be confused. B．Grooming is a convenient and accessible behavior. C．Grooming often occurs before eating and drinking. D．Grooming is a common social activity. 此题为多项选择题。

A．The rooms have already been booked solid. B．Mr. Baker"s company has overdue payments. C．The number of guests is not enough. D．Mr. Baker"s company has already received a discount before.

A．operators competed to cut prices. B．operators focused on picking up clients. C．operators failed to expand their networks. D．operators had to pay more to equipment vendors.

A．provide their students with campus information B．offer medical treatment to students in mental disorder C．encourage their students to seek advice about depression D．give their students various help they may need

A.government had more authority than ever B.intuition played a more important role in action C.capitalism developed quickly D.economy grew rapidly