多項選擇題Which interface commands would you enter on a Catalyst 2900 switch, if your goal was to bring all VLAN traffic to another directly connected switch?()

A. Switch(config-if)# vlan all
B. Switch(config-if)# switchport trunk encapsulation dot1q
C. Switch(config-if)# switchport access vlan all
D. Switch(config-if)# switchport mode trunk
E. Switch(config-if)# switchport access vlan 303


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2.單項選擇題After making some network changes you power off and then power on your Cisco router. What sequence of events occurs when a router is powered up?()

A. Perform POST, locate configuration statements, apply configuration statements, locate Cisco IOS software, and load Cisco IOS software.
B. Locate Cisco IOS software, load Cisco IOS software, locate configuration statements, apply configuration statements, and perform POST.
C. Test software routines, POST, load configuration files, load Cisco IOS software, test Cisco IOS software.
D.POST, locate Cisco IOS software, load the Cisco IOS software, locate configuration statements, and apply configuration statements.
E. Load and test IOS, load configuration files, test software routines, POST.

4.單項選擇題

You want the text "Unauthorized access prohibited!" to be displayed before the login prompt every time someone tries to initiate a Telnet session to a router, as shown in the example below:

Which command can be used to configure this message?()

A. login banner x Unauthorized access prohibited! X
B. banner exec y Unauthorized access prohibited! Y
C. banner motd x Unauthorized access prohibited! X
D. vtv motd "Unauthorized access prohibited!"

5.多項選擇題

The TestKingA router is configured as shown below:
TestKingA(config)# interface loopback 0
TestKingA(config-if)# ip address 192.168.16.24 255.255.255.255
As a result of this change, which of the statements below are true?()

A. It creates a virtual, software only, interface.
B. It provides a way to test the convergence of OSPF routing updates.
C. The mask of 255.255.255.255 is called a host mask.
D. It uses a wildcard mask of 255.255.255.255.
E. It ensures that an interface is always active for OSPF processes.
F. Loopback interfaces must be numbered 0.