You established access to menu modules using roles. You have allowed the sales role to access the menu module, but prevented access to the Update menu item. Which item property would you alter to gray out the menu option for the role?（）
第1题：
听力原文：If you open a transferable credit, the credit is established in favor of the middleman.
(10)
A．The supplier is the prime beneficiary of a transferable L/Ｃ.
B．The middleman is the prime beneficiary of a transferable L/Ｃ.
C．Neither the supplier nor the middleman is the beneficiary of a transferable L/Ｃ.
D．In order to be in favor of the middleman, you should open a transferable credit.
第2题：
A. established using LDP
B. established using BGP
C. established using RSVP
D. established using IP
第3题：
A.电话投票VOT
B.广域CENTREX-WAC
C.虚拟专用网VPN
D.记帐卡呼叫ACC
E.大众呼叫MAS
F.号码流动NP
第4题：
第5题：
A.BSS
B.ESS
C.IBSS
D.SSID
第6题：
第7题：
A. The BGP session to the 10.3.3.3 neighbor is established, but the router has not received any BGP routing updates from the 10.3.3.3 neighbor.
B. The router is attempting to establish a BGP peering session with the 10.2.2.2 neighbor.
C. The router is attempting to establish a BGP peering session with the 10.1.1.1 neighbor.
D. The BGP session to the 10.3.3.3 neighbor is established.
E. The BGP session to the 10.2.2.2 neighbor is established.
F. The BGP session to the 10.1.1.1 neighbor is established.
第8题：
第9题：
Once you have established the daily ration of drinking water in a survival situation，how should you drink it ________．
A.Small sips at regular intervals during the day
B.The complete daily ration at one time during the day
C.One-third the daily ration three times daily
D.Small sips only after sunset
第10题：