[多项选择]Two switches are connected through a trunk link.which two commands show that there is a native VLAN mismatch on that link?（）
A. show interfaces interface
B. show vlan bri
C. show interfaces interface switchport
D. show interface interface trunk
E. show interfaces vlan

[多项选择]Two switches are connected through a trunk link.which two commands show that there is a native VLAN mismatch on that link?（）
A. show interfaces interface
B. show vlan bri
C. show interfaces interface switchport
D. show interface interface trunk
E. show interfaces vlan

[多项选择]Two switches are connected through a trunk link.which two commands show that there is a native VLAN mismatch on that link？（）
A. show interfaces interface
B. show vlan brief
C. show interfaces interface switchport
D. show interface interface trunk
E. show interfaces vlan

[单项选择]Three switches are connected to one anther via trunk ports.Assuming the default switch configuration,which switch is elected as the root bridge for the spanning-tree instance of vlan 1?（）
A. the switch with the lowest MAC address
B. the switch with the higest MAC address
C. the switch witch the higest IP address
D. the switch with the lowest IP address

[单项选择] Two business partners have recently been connected via a dedicated extranet. It has been discovered that each of the companies are using the same private IP address space. Which of the following will help to resolve potential routing issues?（）
A. Multicast
B. PAT
C. CIDR
D. NAT

[多项选择]Which two commands can be used to verify a trunk link configurationt status on a given cisco switch?（）
A. show interfaces interface
B. show interfaces interface trunk
C. show interfaces interface switchport
D. show ip interface brief
E. show interfaces vlan

[单项选择]In a lab, two routers are connected directly together using serial interfaces in a back-to-back configuration. No external DCE devices are being used. What additional command is needed to bring this link up?（）
A. serialup
B. clock
C. clockrate
D. dcerate
E. dterate

[多项选择]Refer to the exhibit. The two connected ports on the switch are not turning orange or green. What would be the most effective steps to troubleshoot this physical layer problem?（）
A. Ensure that the Ethernet encapsulations match on the interconnected router and switch ports.
B. Ensure that cables A and B are straight-through cables.
C. Ensure cable A is plugged into a trunk port.
D. Ensure the switch has power.
E. Reboot all of the devices.
F. Reseat all cables.

[单项选择] Two Company switches are connected via a trunk link. In this network， the original frame is  encapsulated and an additional header is added before the frame is carried over a trunk link. At  the receiving end， the header is removed and the frame is forwarded to the assigned VLAN.  This  describes which technology？（）
A.  DISL
B.  ISL
C.  DTP
D.  IEEE 802.1Q
E.  MPLS
F.  None of the other alternatives apply

[单项选择]Which two components pass through the shank of an LWT anchor?（）
A. Anchor shackle and stock
B. Tripping palm and flukes
C. Crown and chocks
D. Swivel and stabilizer bar

[多项选择]Two Company switches are connected via a trunk using VTP. Which VTP information does a  Catalyst switch advertise on its trunk ports when using VTP？（）
A. STP root status
B. VTP mode
C. Negotiation status
D. Management domain
E. Configuration revision number

[单项选择]There shall be two principal （） through the harbor for the passage of vessels of over 60 tons burden．
A. straits
B. channels
C. canals
D. roadsteads

[单项选择]The two countries solved their border（）through negotiations.
A. debate
B. dispute
C. argument
D. quarrel

[单项选择]Two directly connected routers， R1 and R2， are both configured for OSPF graceful restart. R2 is able to switch packets in hardware， but R1 is not. If a network administrator logs on to R2 and performs a system reload， which will be the result？（）
A. Traffic forwarded from R2 to or through R1 will continue to be forwarded based on the forwarding table state at the time of the reload.
B. R2 will continue to forward traffic to R1， but R1 will drop the traffic because its neighbor adjacency with R2 has failed.
C. R2 will continue forwarding traffic to and through R1， but R1 will drop this traffic because it is not capable of maintaining its forwarding state.
D. All the traffic R2 is forwarding to or through R1 will be dropped while OSPF rebuilds its neighbor adjacency and forwarding tables.

[判断题]VRP高可靠性接口备份技术支持对以太网eth-trunk和POSIP-trunk两种Trunk接口的备份。

[单项选择]There shall be two principal（）through the harbor for the passage of vessels of over 60 tons burden.
A. straits
B. channels
C. canals
D. roadsteads