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  3. What must the Ezonexam network administrator do in order to successfully configure a VLAN trunk between two switches named VE1 a

What must the Ezonexam network administrator do in order to successfully configure a VLAN trunk between two switches named VE1 a

admin2009-05-19  39
问题 What must the Ezonexam network administrator do in order to successfully configure a VLAN trunk between two switches named VE1 and VE2? (Select two answer choices)
A. Set each end of the trunk line to IEEE 802.1Q encapsulation.
B. Set the same VTP management domain name on both switches.
C. Set all ports on the two switched as access ports.
D. Configure one of the two switches as a VTP server.
E. Connect the two switches using a rollover cable.
F. Use a router to forward VTP traffic between the VLANs.
选项
答案B,D
解析 Explanation:
All servers that need to share VLAN information must use the same domain name, and a switch can only be in one domain at a time. This means that a switch can only share VTP domain information with other switches if they’re configured into the same VTP domain. You can use a VTP domain if you have more than one switch connected in a network, but if you’ve got all your switches in only one VLAN, you don’t need to use VTP. VTP information is sent between switches via a trunk port.

Switches advertise VTP management domain information, as well as a configuration revision number and all known VLANs with any specific parameters. There’s also something called VTP transparent mode, in it, you can configure switches to forward VTP information through trunk ports, but not to accept information updates or update their VTP databases. At least one of the switches will need to be configured as the VTP server in order to pass the VLAN info.

Incorrect Answers:
A. Although this is a valid option, it is not a requirement since using ISL as the encapsulation type is also a valid option.

E. A rollover cable is not used between switches for any of the port types.

F. Routers will be required for sending traffic from one VLAN to the other, but not to forward the actual VTP traffic.
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