Cisco Systems 2 Network Router User Manual


 
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A is incorrect; this is both the wrong mode and command.
B is incorrect; this is both the wrong mode and command.
C is incorrect; this is the proper mode but the wrong command.
Steve McQuerry. Interconnecting Cisco Network Devices. (Cisco Press: 2000) pages 277-279.
Q. 121
What are 4 ways network management can be simplified by using the virtual LANs (VLANs)? (Choose
four)
A. VLANs allow you to implement multiple layers switching easily.
B. VLAN can group several broadcasts domains into multiple logical subnets.
C. It is no longer necessary to install cables to move a user from a new network to another.
D. Network adds, moves and changes are achieved by configuring a port into a VLAN.
E. A group of users needing high security can be put into a VLAN so that no users outside the VLANs
can communicate with them.
F. As a logical grouping of users, VLANs can be considered independent from their physical or
geographic locations.
Answer: C, D, E, F
Explanation: The introduction of VLANs into a network has a number of benefits. The benefits include:
security, segmentation and flexibility. VLANs allow you to group users into a common broadcast domain
regardless or their physical location in the internetwork. VLANs greater flexibility allows user to moved easily,
changes to the network can be as simple as configuring a port and security can be increased.
Incorrect Answers:
A is incorrect; VLANs add complexity to the switch configurations.
B is incorrect; the VLAN still maintains one broadcast domain in each VLAN
Steve McQuerry. Interconnecting Cisco Network Devices. (Cisco Press: 2000) pages 179-184.
Q. 122
With one method of transmitting fames through a switch the switch receives the complete frame and
checks the frame CRC before forwarding the frame. What is this transmitting method called?
A. CSMA/CD
B. Full duplex.
C. Cut through.
D. Half duplex.
E. Fragmentation.