The network 172.12.0.0 needs to be divided into subnets where each subnet has the capacity of 458 IP addresses.What would be the correct subnet mask to accomplish this division keeping the number of subnets at the maximum? （）

多项选择题A router with a serial interface will be used for an ISDN link.What other function group devices are required to complete the connection to the service provider? （）

A. TE1
B. TE2
C. TA
D. NT1
E. NT2

单项选择题A technician at TestKing needs to update the network documentation. One of the tasks includes documenting the name of the IOS image file of each router in the network.Which commands could be used to find this information?（）

A. Router# show protocols
B. Router# show version
C. Router# show image
D. Router# show IOS
E. Router# show flash

多项选择题Given a subnet mask of 255.255.255.224, which of the following addresses can be assigned to network hosts?（）

A.15.234.118.63
B.92.11.178.93
C.134.178.18.56
D.192.168.16.87
E.201.45.116.159
F.217.63.12.192

多项选择题Which of the following host addresses are member of networks that can be routed across the public Internet? （）

A. 10.172.13.65
B. 172.16.223.125
C. 172.64.12.29
D. 192.168.23.252
E. 198.234.12.95
F. 212.192.48.254

多项选择题Which connections allow the use of full-duplex Ethernet?（）

A. Switch to host
B. Switch to switch
C. Hub to hub
D. Switch to hub
E. Host to host