Posted by: nR on: March 22, 2009
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Posted by: nR on: March 15, 2009
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Posted by: nR on: March 15, 2009
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Posted by: nR on: March 14, 2009
1. Which two conditions have favored adoption of 802.11g over 802.11a? (Choose two.)
**802.11a suffers from a shorter range than 802.11g.
The 2.4 GHz frequency band is not as crowded as the 5 GHz band.
802.11a is more susceptible to RF interference from common commercial items.
802.11a uses a more expensive modulation technique than 802.11g.
**802.11g is backward compatible with [...]
Posted by: nR on: March 14, 2009
1. Refer to the exhibit. Which three statements describe the network design shown in the exhibit? (Choose three.)
**This design will not scale easily.
The router merges the VLANs into a single broadcast domain.
**This design uses more switch and router ports than are necessary.
This design exceeds the maximum number of VLANs that can be attached to a [...]
Posted by: nR on: March 14, 2009
1. Which two statements are true about the default operation of STP in a Layer 2 switched environment that has redundant connections between switches? (Choose two.)
The root switch is the switch with the highest speed ports.
**Decisions on which port to block when two ports have equal cost depend on the port priority and identity.
All trunking [...]
Posted by: nR on: March 14, 2009
1. Refer to the exhibit. The switches in the exhibit are connected with trunks within the same VTP management domain. Each switch is labeled with its VTP mode. A new VLAN is added to Switch3. This VLAN does not show up on the other switches. What is the reason for this?
VLANs cannot be created on [...]
Posted by: nR on: March 14, 2009
1. What statement about the 802.1q trunking protocol is true?
802.1q is Cisco proprietary.
802.1q frames are mapped to VLANs by MAC address.
802.1q does NOT require the FCS of the original frame to be recalculated.
**802.1q will not perform operations on frames that are forwarded out access ports.
2. Which two statements describe the benefits of VLANs? (Choose two.)
VLANs [...]
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