Firefighting
Interrupt-driven
Policy-based
Structured
Foundational
第1题：
For the following options， which feature is the foundation of Cisco Self-Defending Network technology？（）
第2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3题：
A. ttl
B. size
C. rapid
D. do-not-fragment
第4题：
Observe the following options carefully， which two attacks focus on RSA？ （）
第5题：
An administrator has provided a 24 bit netmask. Which of the following options indicates the number of host addresses that are available in a network？（）
第6题：
Which two of the following options are categories of Network Maintenance tasks？（）
第7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8题：
A. There are two broadcast domains in the network.
B. There are four broadcast domains in the network.
C. There are six broadcast domains in the network.
D. There are four collision domains in the network.
E. There are five collision domains in the network.
F. There are seven collision domains in the network.
第9题：
Which are the two options to which a menu can be assigned?（） (Choose two.)
第10题：
Which of the following network topologies BEST describes a VPN? （）(Select TWO)