【B7】

A．Switch

B．Hub

C．Modem

D．Repeater

A、t test

B、z test

C、F test

D、Unit root test

A．ALTER

B．CREATE

C．UPDATE

D．INSERT

Which of the following about multiple sclerosis is true？_____

A: Multiple sclerosis can cause trauma and pain.

B: Multiple sclerosis is a kind of communicable diseases.

C: Multiple sclerosis is an inflammatory disease.

D: Multiple sclerosis is hard to cure.

A．A.Improve frequency configuration

B．B.Use a directional antenna and tilt the directional antenna

C．C.Decrease the height of the antenna

D．D.Increase the transmitter power of BTS

A. Multiple types of network cards were used.

B. The environment is outside of the DMZ.

C. Hardware used is not on the HCL.

D. Internal hard drives were used for storage instead of external hard drives.

Which of the following numbers is both a factor of 48 and a multiple of 6？

A．2

B．8

C．12

D．16

E．18

A. Dedicated paths between sending and receiving hosts are established.

B. Multiple subnetwork broadcast addresses are created.

C. Multiple ARP tables are needed.

D. The decrease in the number of collision domains.

E. Broadcast domains are enhanced.

F. Additional bandwidth is used to connect hosts.

A、create source file

B、create constraint file

C、create HDL wrapper