[单选题]You need to decide on which trunking method to implement in the Ezonexam network. What is a characteristic of ISL and 802.1q frame. tagging in a switched LAN environment?

正确答案 ：E

They provide inter-switch VLAN communication.

解析：解析：Explanation: A trunk link is the other type of Layer 2 port supported on Cisco switches. When a trunk port is configured, it begins marking frames as they exit the port to indicate which VLAN each frame. is associated with.

[单选题]默认情况下，RIP定期发送路由更新的时间是（）

正确答案 ：B

30S

[单选题]路由器上“水平分割”的功能是：()

正确答案 ：B

阻止路由环路

[单选题]FTP工作在OSI哪一层（）

正确答案 ：D

应用层

[单选题]You wish to segment your LAN into multiple broadcast domains. Which technology method should you implement in order to do this?

正确答案 ：D

Virtual LANs

解析：D 解析：Explanation:

[单选题]At which layer of the OSI model does the protocol that provides the information displayed by the "show cdp neighbors" command operate?

正确答案 ：D

Data link

解析：解析：Explanation:

[单选题]The Ezonexam network administrator has just issued the "switchport trunk native vlan 998" command on switch VE2. What is the function of this command?

正确答案 ：B

It designates VLAN 998 for untagged traffic

[多选题]网络中经常使用DDN服务，请选出DDN的优点（）

正确答案 ：ADE

传输质量高

使用虚电路

专用线路

解析：ADE

[单选题]EIGRP的管理距离（）

正确答案 ：C

110

[多选题]There are 2 switches in the Ezonexam LAN, with no routers. Ports 1, 2 & 3 are assigned to VLAN 1 in switch 1 and 2 and ports 4, 5 & 6 are assigned to VLAN 2 in both switches. These two switches are connected together via a trunked link. Which of the conditions below would verify trunk and VLAN operation? (Select all valid answers)

正确答案 ：ADE

Host 1 on VLAN 1 can ping Host 2 on VLAN 1

Host 4 on VLAN 2 can not ping Host 1 on VLAN 1

Host 4 on VLAN 2 can ping Host 2 on VLAN 2

解析：解析：Explanation:

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