B. Provides multiple collision domains on one switch port.
C. Breaks up broadcast domains in a layer 2 switch internetwork.
D. Provides multiple broadcast domains within a single collision domain.
Correct Answer
Breaks up broadcast domains in a layer 2 switch internetwork.
Explanation
VLANs break up broadcast domains at layer 2.
Networking Basics problems
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1. You have 10 users plugged into a hub running 10Mbps half-duplex. There is a server connected to the switch running 10Mbps half-duplex as well. How much bandwidth does each host have to the server?
VTP is not right because it has nothing to do with trunking except that it sends VLAN information across a trunk link. 802.1Q and ISL are used to configure trunking on a port.
7. Which of the following is the valid host range for the subnet on which the IP address 192.168.168.188 255.255.255.192 resides?
256 - 192 = 64. 64 + 64 = 128. 128 + 64 = 192. The subnet is 128, the broadcast address is 191, and the valid host range is the numbers in between, or 129-190.
8. Which protocol is used to send a destination network unknown message back to originating hosts?
Correct Answer: Stops an interface from sending periodic dynamic updates but not from receiving updates.
Explanation:
The
passive command, short for passive-interface, stops regular updates from being sent out an interface. However, the interface can still receive updates.
10. Which protocol does DHCP use at the Transport layer?