单项选择题

Refer to the exhibit.A new subnet with 60 hosts has been added to the network.Which subnet address should this network use to provide enough usable addresses while wasting the fewest addresses?（）

A.192.168.1.56/27
B.192.168.1.64/26
C.192.168.1.64/27
D.192.168.1.56/26

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单项选择题

Refer to the exhibit. Switch port FastEthernet 0 24 on AlSwitch1 will be used to create an IEEE 802.1Q- complaint trunk to another switch. Based on the output shown, What is the reason the trunk does not form, even thought the proper cabling has been attached?（）

A.VLANs have not been created yet
B.An IP address must be configured for the port
C.The port is currently configured for access mode
D.The correct encapsulation type has not been configured
E.The no shutdown command has not been entered for the port

单项选择题

How does using the service password encryption command on a router provide additional security?（）

A.by encrypting all passwords passing through the router
B.by encrypting passwords in the plain text configuration file
C.by requiring entry of encrypted passwords for access to the device
D.by configuring an MD5 encrypted key to be used by routing protocols to validate routing exchanges
E.by automatically suggesting encrypted passwords for use in configuring the router