Which statement best describes the differences between Cisco SMARTnet and Cisco SMARTnet onsite？（） [" CiscoSMARTnet Onsite includes all of the elements of Cisco SMARTnet， with the additional provision of onsite technician to perform parts replacement"," CiscoSMARTnet Onsite is primary attractive to customers who do not need to replace their hardware immediately， but would still like an onsite technician to install and replace hardware"," CiscoSMARTnet Onsite includes certification classes and live network consulting at the customer site"," CiscoSMARTnet Onsite provides network monitoring for small-to-medium sized businesses and provides onsite technical resources when hardware problems are detected"]
By default，on the wlan controller for a voice application using cisco 7921 wireless ip phones. what is the percentage of rf bandwidth that can be dedicated to the phones？（） ["75 percent","85 percent","56 percent","55 percent"]
已知直线经过点A（a.0）、B（0.b）其中a、b都不为0，可得（）方程。 ["点斜式","斜截式","两点式","截距式"]
The Cisco Smart Business Communications System offers support of third-party applications. What is the primary purpose of the VeraSMART application？（） [" present relevant customer information"," interpret detail call records"," access shop data"," manage and remediate network problem"]
You use Microsoft Windows Mail to download e-mail messages to your Inbox. You need to minimize the receipt of e-mail messages that attempt to acquire private financial information. What should you do？（） ["Create an Inbox rule that moves potentially malicious email to the Junk Mail folder. ","Configure the Parental Controls Web restriction setting to High.","Configure the phishing filter to move the e-mail messages to the Junk Mail folder. ","Configure Windows Defender to perform a custom scan of potentially malicious email."]
银行承兑汇票市场是以银行汇票为媒体，通过汇票的（）、（）、（）及（）而实现资金融通的市场，也可以说是以（）基础的市场。
