多项选择题
A. When a router receives a failure response, it stops querying authentication methods.
B. When a router receives an error response, it stops querying authentication methods.
C. If the router receives a failure response from an authentication method, it queries the next method.
D. The router does not differentiate between failure and error responses; the authentication process is always interrupted.
E. If it receives no response from the authentication method, a router will determine the error condition on its own; the router also has the option to proceed to the next method in a list if configured accordingly.
单项选择题 Refer to the exhibit. MPLS has been enabled on router PE11. Which of these statements is correct regarding the output display shown in the exhibit? （）
单项选择题 Which term represents the mode that is used when the router stores log messages in RAMmemory? （）
单项选择题 In which service component of the optimize phase would you assess the routing and switchingsystem and recommend activities such as optimizing device configurations, capacity planning, ortraffic analysis? （）