Upgrade the switches
Configure BPDU guard
Configure VLAN access lists
Configure port security
Configure Dynamic ARP inspection
第1题：
Which layer-function is mostly implemented in a network adapter（ ）。
A.Physical layer and link layer
B.Network layer and transport layer
C.Physical layer and network layer
D.Transport layer and application layer
第2题：
You are an administrator of a switched network and your goal is to reduce some of the administrative overhead on your network. You plan on achieving this by configuring a new VLAN for each department in your network. However, you need to share the VLAN information across numerous switches throughout your network. Which of the following would allow you accomplish this?（）
第3题：
● TCP/IP communication protocol contains four layers. From bottom to top, the four layers are __(71)__.
（71）A．network interface layer, internet layer, transport layer and application layer
B．internet layer, network interface layer, transport layer and application layer
C．network interface layer, transport layer, network interface layer and application layer
D．application layer, transport layer, internet layer and network interface layer
第4题：
You work as a network administrator at ABC.com. The ABC.com network consists of a single domain named ABC.com. All servers on the ABC.com network have Windows Server 2012 R2 installed.The network as a server named ABC_SR05 that provides DHCP services.You need to create the DHCP scopes to support a subnet that has 800 hosts.You want to minimize the number of unused IP addresses on each subnet. How would you configure DHCP to support these subnets？（）
第5题：
You are the Cisco Network Designer in Cisco.com. Which layer NAS operating mode are ACLfiltering and bandwidth throttling only provided during posture assessment？（）
第6题：
第7题：
You are the Cisco Network Designer in Cisco.com. Which layer NAS operating mode are ACL filtering and bandwidth throttling only provided during posture assessment?（）
第8题：
TCP/IP communication protocol contains four layers． From bottom to top, the four layers are __（71）__．
A.network interface layer, internet layer, transport layer and application layer
B.internet layer, network interface layer, transport layer and application layer
C.network interface layer, transport layer, network interface layer and application layer
D.application layer, transport layer, internet layer and network interface layer
第9题：
You are an administrator of a small business network. You have one dial-up account at an ISP and want all computers on your network connect to the Internet. You have enabled Internet connection sharing. You do not want to initiate this connection automatically when a request for Internet reaches your computer. What should you do? （）
第10题：
You are the network administrator for passguide.com. Which device will you install in your computer to make wireless connections you and a network?（）