A large FTP job is in process.
A network interface was misconfigured.
The ping command is being used excessively.
A bad network interface card and/or network cable is in use.
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?（）
A. IPsec tunnel
B. GRE tunnel
C. Floating stati c route
D. An IGP
第2题：
Which of the following network hardware allows the MOST network traffic collisions?（）
第3题：
A. Create an action plan
B. Implement and test a solution
C. Determine if anything has changed
D. Identity a probable cause
第4题：
Which of the following bottlenecks would MOST likely cause excessive hard drive activity?（）
第5题：
A Network Engineer is reporting that one of the AIX hosts is generating too much ICMP traffic, which is slowing the network. Which of the following options is the most probable cause?（）
第6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7题：
A network administrator provides an IP address of 128.135.0.142 and a subnet mask of 255.0.0.0. Once a ping is attempted， it fails. Which of the following options is the most probable cause of the failed ping？（）
第8题：
A.WAP
B.Hub
C.Switch
D.Router
第9题：
Which of the following is the MOST efficient way to troubleshoot network problems?（）
第10题：
A user is unable to connect to the network. A network technician is able to determine that there is a problem on the switch. All other users on that switch are able to connect successfully to the network. Which of the following is a probable cause？（）