A.Use computer to watch video online

B.Download emails from the company mailbox to your computer

C.Use instant messaging software (such as, QQ, WeChat) to chat with friends

D.Use a computer to visit the company's official website

A.LSA header is only a small part of LSA

B.The DD packet contains only LSA header information

C.The header of an LSA can uniquely identify an LSA

D.DD packet contains detailed information about LSA

A.GE interface and FE interface cannot be added to the same Eth-Trunk interface.

B.GE electrical interfaces and GE optical interfaces cannot be added to the same Eth-Trurnk interface.

C.When two devices are connected, it is necessary to ensure that the link aggregation mode on both devices is the same.

D.Eth-Trurnk interfaces cannot be nested.

A.If the router learns a router with the same destination network as this route through other protocols, the router will prefer this route

B.This command configures a route to the 10.0.12.0 network

C.This command configures a route to the 192.168.1.1 network

D.The priority of this route is 100

A.Heavy workload and difficult to manage

B.Reuse of IP address can be realized

C.When the configuration information changes (such as DNS), only the administrator needs to modify it on the DHCP server to facilitate unified management

D.Avoid IP address conflicts