A．beforeB．afterC．onceD．while
A. before
B. after
C. once
D. while
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You are a senior network administrator at Ezonexam, and while performing the password recovery procedure on your 2500 series Cisco router, you type in the following command:
o/r 0x2142
What is the purpose of this command？
A. It is used to restart the router.
B. It is used to bypass the configuration in NVRAM.
C. It is used to enter ROM Monitor mode.
D. It is used to view the lost password.
E. It is used to save the changes to the configuration.
The network administrator has configured port security on a Ezonexam switch. Why would a network administrator configure port security on this Ezonexam device？
A. To prevent unauthorized hosts from getting access to the LAN
B. To limit the number of Layer 2 broadcasts on a particular switch port
C. To prevent unauthorized Telnet or SSH access to a switch port
D. To prevent the IP and MAC address of the switch and associated ports
E. None of the above
有一个接口定义如下： interface A { int method1(int i); int method2(int j);}那么下面各项中实现了该接口并且不是抽象类的是()。
A. class B implements A { intmethod1(){} intmethod2(){} }
B. calss B { int method1(int i){) int method2(int j){} }
C. class B implementsA { int method1(int i){} int method2(int j){} }
D. class B extendsA { int method1(int i){} int method2(int j){} }
Why might the Ezonexam network administrator set the configuration register to 0x2142 on a
A. To boot the IOS from ROM
B. To reset the console password
C. To upload a new version of the configuration file
D. To upload a new version of the IOS
E. To allow a new memory upgrade to be recognized by the router
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