多項(xiàng)選擇題What are three results of issuing the switchport host command? ()

A.enables PortFast
B.disables trunking
C.disables Cisco Discovery Protocol
D.enables port security
E.enables loopguard
F.disables EtherChannel


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1.單項(xiàng)選擇題

You are implementing basic switch security best practices. 
Which of these is a tactic that you can use to mitigate compromises from being launched through the switch?()

A.Make all ports private VLAN ports.
B.Place all unused ports in native VLAN 1 until needed.
C.Proactively configure unused switch ports as access ports.
D.Disable Cisco Discovery Protocol globally.

2.單項(xiàng)選擇題

Three Cisco Catalyst switches have been configured with a first-hop redundancy protocol. While reviewing some show commands, debug output, and the syslog, you discover the following information:

What conclusion can you infer from this information?()

A.VRRP is initializing and operating correctly.
B.HSRP is not properly exchanging three hello messages.
C.VRRP is not properly exchanging three hello messages.
D.HSRP is initializing and operating correctly.
E.GLBP is not properly exchanging three hello messages. 
F.GLBP is initializing and operating correctly.

3.單項(xiàng)選擇題



You work as a network engineer for . You study the exhibit carefully. Three switches are configured for HSRP. Switch1 remains in the HSRP listen state. 
What is the most likely cause of this status?()

A.this is normal operation
B.IP addressing is incorrect
C.standby group number does not match VLAN number
D.incorrect standby timers
E.incorrect priority commands

5.單項(xiàng)選擇題

You work as a network engineer for . You study the exhibit carefully. From the configuration shown, 
what can be determined?()
Exhibit:

A.The remaining secure MAC addresses will be dynamically learned, converted to sticky secure MAC addresses, and added to the running configuration.
B.Since a voice VLAN is configured in this example, port security should be set for a maximum of 2.
C.The sticky addresses will only be those manually configured MAC addresses enabled with the sticky keyword.
D.A security violation will restrict the number of addresses to a maximum of 10 addresses per access VLAN and voice VLAN. The port will be shut down if more than 10 devices per VLAN attempt to access the port.

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Refer to the exhibit and the partial configuration of switch SW_A and SW_B. STP is configured on all switches in the network. SW_B receives this error message on the console port:00:06:34: %CDP-4-DUPLEX_MISMATCH: duplex mismatch discovered on FastEthernet0/5 (not half  duplex), with SW_A FastEthernet0/4 (half duplex) , with TBA05071417(Cat6K-B) 0/4 (half duplex). What would be the possible outcome of the problem?()

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