All WAN links is side the TestKing.com network use PPP with for authentication security. Which command will display the CHAP authentication process as it occurs between two routers in the network?（）

What is a global command?（）

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? （）

Which of the following contribute to congestion on an Ethernet network?（）

What does a configuration Register Setting of 0x2105 indicate to the Router? （）

The following access list was applied outbound on he E0 interface connected to the 192.168.1.8/29 LAN:access-list 123 deny tcp 192.168.1.8 0.0.0.7 eq 20 anyaccess-list 123 deny tcp 192.168.1.9 0.0.0.7 eq 21 anyWhat effect will this access list have?（）

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? （）

Which statement describes the rule of split horizon?（）

A Router with a BRI/T interface will be used for an ISDN Connection what other ISDN device is required to complete this connection? （）

TestKing.com has allocated the IP add 199.144.27.0 is its network, to provide flexibility for the LAN design, a subnet mask of 255.255.255.240 has been chosen. Which of the following address can be assigned to LAN on the resulting subnets.（）