Cellular
Satellite
ISDN
WiMAX
DSL
第1题：
Router R1 sits at an Enterprise branch office, using both the Internet and a leased line to another Enterprise router for its two connectivity options back into the rest of the Enterprise network. The engineer planning for this branch decided to use the leased line for all Enterprise traffic, unless it fails, in which case the Internet connection should be used to pass traffic to the Enterprise. Which of the following is most likely to be useful on the branch router?（）
第2题：
A standard installation for wireless will use which of the following antenna types?（）
第3题：
A.After the cell-phone ban is ended, students can use their phones during class
B.The cell-phone ban is equally enforced in all public schools
C.A phone-storage industry has appeared outside the 88 metal-detector campuses
第4题：
Which of the following connection types are MOST likely to be found in the front of a PC case?（）
第5题：
Which of the following commands should Mike, a technician, use to display the available switches of a command line utility?（）
第6题：
A user is trying to use Remote Desktop to connect to another computer on the LAN. Theconnection fails. The technician opens up a command prompt and types the following: “telnetcomputernamE. 3389” and also gets the same error message. Which of the following is the MOSTlikely cause of this error, assuming that the OS firewall has been disabled?（）
第7题：
Which of the following command line utilities can Karen, a technician, use to check for open ports?（）
第8题：
A.Cellular
B.Satellite
C.ISDN
D.WiMAX
E.DSL
第9题：
Which of the following connection types use a phone line as a carrier to provide access to theInternet?（）
第10题：
Which of the following Internet connection types has the highest amount of latency？（）