27. Which 3 statement about spanning-tree Portfast are true?

A, increase throughput on the port

B, configured on per port basis

C, cisco-specific implementation

D, improve STP convergence time

E, can be used to stop ports on switch from send out BPDUs that waste bandwidth

32. __________define a VLAN on RSM in Cata switch

a, vlan vlan-number

b, RSM vlan vlan-number on

c, set vlan vlan-number on

d, interface vlan vlan-number

38. VLAN interface on internal RP,had defined the Vlan interface, what should to be done next?

I choose assign an unique IP address to this interface

43. add an interface to the new VTP domain,use _________on the external RP

a, set domain vtp

b, mls rp vtp-domain

c, set mls vtp-domain

d, mls ext domain vtp

44. ______mode should to be used for the port to be in permanent trunk mode

A, off

B, auto

C, desirable

D, Nonegotiate

45. specify the trunking encapsulation mode for a port on Cata5000

49. what are the methods to maintain a consistent VLAN database in a VTP domain?

I choose

Ensure that all switch not authorized to make changes are in client mode

Allow only one VTP server in each domain so that………………

SET，IOS命令格式考得也很多，我实验做的少也很吃亏的，工作中也没碰上SET-BASED CLI，教训就是多做CHINAITLAB和BOSON ROUTER SIMULATION 中的实验，

希望大家都参与讨论，还有希望能对大家有所帮助！！