19:
You want to use a connection service that provide reliable delivery even when using unreliable swithced connections .
Which WAN connection service should you use?
A: ISDN
B: X.25
C: frame relay
D: ATM
20:
Your network has 250 client computers and 6 servers, the network use TCP/IP protocol , you want to segment the network .
Which device should you use?
A:repeater
B:gateway
C:transceiver
D:router
21:
Your network has 3 servers ,which runwindows NT server and windows 95 clients,the network use netbeui , you want users of client to be able to access a unix computer, the unix computer share its file by using NFS , you do not want able any new softwareto the client computer
Which device should you use?
A: bridge
B: brouter
C: router
D: gateway
22:
which device should you use?
A: repeater