正确答案: C

0.0.0.31

题目：下列哪一个通配符掩码与子网172.16.64.0/27的所有主机匹配（）。

解析：C

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学习资料的答案和解析：

[单选题]IP地址为：192.168.50.70，掩码为：255.255.255.248，则该IP地址所在子网的子网有效IP为（）

192.168.50.65---192.168.50.70

[单选题]OSI七层模型中，物理层的数据封装名称为（）

比特

[单选题]路由器上激活端口的命令是（）

no shutdown

[单选题]When is a switched network that is running the Spanning Tree Protocol considered to be fully converged?

when every operating switch port is in either the blocking or forwarding state

解析：解析：Explanation:

[多选题]Using a subnet mask of 255.255.255.224, which of the IP addresses below can you assign to the hosts on this subnet? (Select all that apply)

92.11.178.93

134.178.18.56

192.168.16.87

解析：C,D,E 解析：Explanation:

[多选题]As a Ezonexam trainee you are required to set the default gateway on a Cisco switch to the IP address of 192.168.1.115. Which IOS command should you use?

TestKSwitch(config) ip route-default 192.168.1.115

TestKSwitch(config) ip default-gateway 192.168.1.115

TestKSwitch(config) ip route 192.168.1.115 0.0.0.0

TestKSwitch(config) ip default-network 192.168.1.115

解析：解析：Explanation:

[多选题]Ezonexam is migrating to a private IP addressing scheme. Which of the following describe the use of private IP addresses? (Choose two)

Addresses that cannot be routed through the public Internet.

A scheme to conserve public addresses.

解析：解析：Explanation:

[单选题]What kind of cable should be used to establish a trunked line between two Catalyst switches?

A cross-over cable

解析：解析：Explanation: A crossover cable is used to connect two of the same device types, or devices from the same OSI layer.

[单选题]A Ezonexam switch is configured with all ports assigned to VLAN 2. In addition, all ports are configured as full-duplex FastEthernet. What is the effect of adding switch ports to a new VLAN on this switch?

An additional broadcast domain will be created.

解析：解析：Explanation: