思科认证 2021_06_17 每日一练
Which two of the following values does STP take into consideration when it elects the root bridge? (Select two answer choices)
A. The BPDU version number
B. The access layer bridge setting
C. The Bridge ID
D. The spanning-tree update number
E. The bridge priority
F. The VLAN number
You download a file from an FTP site on the Internet. What is the highest layer in the OSI model used in this FTP operation?
A. Application
B. Presentation
C. Session
D. Transport
E. Internet
F. Data Link
G. Physical
哪个ACL可允许主机10.220.158.10访问web服务器192.168.3.244()
A.access-list 101 permit tcp host 10.220.158.10 eq 80 host 192.168.3.224
B.access-list 101 permit tcp 10.220.158.10 0.0.0.0 host 192.168.3.224 0.0.0.0 eq 80
C.access-list 101 permit host 10.220.158.10 0.0.0.0 host 192.168.3.224 0.0.0.0 eq 80
D.access-list 101 permit tcp 10.220.158.10 0.0.0.0 host 192.168.3.224 eq 80
Study the Exhibit below carefully:
London#show vtp
VTP Version: 2
Configuration Revision: 0
Maximum VLANs supported locally: 64
Number of existing VLANs: 5
VTP Operating Mode: Client
VTP Domain Name: London
VTP Pruning Mode: Disabled
VTP V2 Mode: Disabled
VTP Traps Generation: Disabled
Based on the information given above, what is the VTP function of this particular switch?
A.Learn and save VTP configuration in the running configuration.
B.Create and change VLANs.
C.Forwards information about VTP configuration.
D.VTP is disabled on this device.
E.VTP is not saved to NVRAM.
Which line from the output of the show ip interface command indicates that there is a Layer 1 problem?
A.Serial0/1 is up, line protocol is down
B.Serial0/1 is down, line protocol is down
C.Serial0/1 is up, line protocol is up
D.Serial0/1 is administratively down, line protocol is down
E.None of the above