[单选题]扩展IP访问权限表的表号范围是：()

正确答案 ：C

100-199

[单选题]The Ezonexam network administrator needs to a switch named VE1 to become the root bridge for a redundant path switched network. What can be done to ensure that VE1 will always assume the role as the root bridge?

正确答案 ：D

Configure the switch so that it has lower priority than other switches in the network

[单选题]路由器下“特权用户模式”的标识符是：()

正确答案 ：C

[单选题]标准访问控制列表应被放置的最佳位置是在（）。

正确答案 ：B

越靠近数据包的目的地越好

[单选题]介质工作在OSI的哪一层（）

正确答案 ：A

物理层

[单选题]OSI七层模型中，传输层的数据封装名称为（）

正确答案 ：D

段

[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:

[单选题]The Ezonexam LAN is upgrading all devices to operate in full duplex. Which statement is true about full-duplex Ethernet in comparison to half-duplex Ethernet?

正确答案 ：C

Full-duplex Ethernet can provide higher throughout than can half-duplex Ethernet of the same bandwidth

[单选题]IP扩展访问列表的数字标示范围是多少（）。

正确答案 ：C

100-199

[单选题]IP地址为：192.168.50.70，掩码为：255.255.255.248，则该IP和掩码结合划分子网时，每个子网的容量为（）

正确答案 ：D

6

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