There are 2 switches in the Ezonexam LAN, with no routers. P

【名词&注释】

数据链路层(data link layer)

[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)

A. Host 1 on VLAN 1 can ping Host 2 on VLAN 1
B. Host 1 on VLAN 1 can ping Host 4 on VLAN 2
C. Host 1 on VLAN 1 can not ping Host 2 on VLAN 1
D. Host 4 on VLAN 2 can not ping Host 1 on VLAN 1
E. Host 4 on VLAN 2 can ping Host 2 on VLAN 2

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学习资料：

[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（）

A. 192.168.50.33---192.168.50.39
B. 192.168.50.41---192.168.50.50
C. 192.168.50.65---192.168.50.70
D. 192.168.50.66---192.168.50.75

[单选题]OSI七层模型中，数据链路层的数据封装名称为（）

A. 比特
B. 帧
C. 包
D. 段

[多选题]You need to configure an 802.1Q link on a Ezonexam switch. Which commands, when used together, would do this? (Select two answer choices)

A. Switch(vlan) mode trunk
B. Switch(config) switchport access mode trunk
C. Switch(config-if) switchport mode trunk
D. Switch(config-if) switchport trunk encapsulation dot1q
E. Switch(config) switchport access mode 1
F. F. Switch(vlan) trunk encapsulation dot1q

[单选题]The Ezonexam network administrator has issued the "VTP password ezonexam" command on a Cisco device. What is the purpose of this command?

A. It allows two VTP servers to exists in the same domain, each configured with different passwords
B. It is the password required when promoting a switch from VTP client mode to VTP server mode
C. It is used to access the VTP server to make changes to the VTP configuration
D. It is used to validate the sources of VTP advertisements sent between switches
E. None of the above

[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?

A. Assign the switch a higher MAC address than the other switches in the network have
B. Establish a direct link from the switch to all other switches in the network
C. Configure the switch full-duplex operation and configure the other switches for half-duplex operation
D. Configure the switch so that it has lower priority than other switches in the network
E. None of the above

[多选题]What are two results of entering the VESwitch(config)# vtp mode client command on a Catalyst switch in the Ezonexam LAN? (Choose two.)

A. The switch will ignore VTP summary advertisements
B. The switch will forward VTP summary advertisements
C. The switch will process VTP summary advertisements
D. The switch will originate VTP summary advertisements
E. The switch will create, modify and delete VLANs for the entire VTP domain

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