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?（）

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

单项选择题Refer to the exhibit. The company uses EIGRP as the routing protocol. What path will packets take from a host on 192.168.10.192 26 network to a host on the LAN attached to router R1?（）

A.The path of the packets will be R3 to R2 to R1.
B.The path of the packets will be R3 to R1 to R2.
C.The path of the packets will be both R3 to R2 to R1 and R3 to R1.
D.The path of the packets will be R3 to R1

单项选择题Two routers named Atlanta and Brevard are connected via their serial interfaces as illustrated, but they are unable to communicate. The Atlanta router is known to have the correct configuration.Given the partial configurations, identify the fault on the Brevard router that is causing the lack of connectivity？（）

A.incompatible IP address
B.insufficient bandwidth
C.incorrect subnet mask
D.incompatible encapsulation
E.link reliability too low
F.IP/TCP closed

单项选择题What is the purpose of the inverse ARP?（）

A.to map a known DLCI to an IP address
B.to map a known IP address to a MAC address
C.to map known SPID to a MACaddress
D.to map a known DLCI to a MAC address
E.to map a known IP address to a SPID
F.to map a known MAC address to an IP address