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Cisco Exam #642-811: BCMSN Exam (Whizlabs, set 2)
Test your knowledge of advanced Spanning Tree concepts, VLANs, inter-VLAN routing and multicasting for your CCNP and CCDP with these 10 sample questions.

courtesy of   Whizlabs Software

1. Answer A is correct. The Point-to-Point Protocol (PPP) is a WAN Protocol that can be used on Serial Link. The Point-to-Point Protocol (PPP) is supported by Cisco. This protocol is most commonly used for dialup Internet access.

2. Answer C is correct. You should use a special RJ-45-to-RJ-45 rollover cable to connect a data terminal or console to the RJ-45 console port of a switch. An adapter may be needed to connect to the appropriate port on the data terminal or console. Be certain not to connect a live Ethernet connection, ISDN line, or analog telephone line to an RJ-45 console port on a switch; doing so may damage the switch. You should use an unshielded twisted pair (UTP) crossover cable if you want to connect a switch to a repeater or to another switch. You should use a standard, straight-through UTP cable to connect a router or a client workstation to a switch.

3. Answer B is correct. CAT 5 UTP crossover cable can be used to connect two switches.

Choices A, C, and D are incorrect. A management cable, a RJ-45 to DB-9 terminal cable, is used to connect a PC to a switch (or router). A RJ-45-to-RJ-45 rollover cable is used to connect the console port of the switch to a console PC or terminal. A straight cable can be used to connect a switch to a router or a workstation.

4. Answer A is correct. Before you enable CGMP on a switch, you must disable IGMP snooping if it is enabled. If you try to enable CGMP without first disabling IGMP snooping, an error message is generated.

5. Answer B is correct. Cat 5 UTP crossover cabling can be used to connect two switches.

Choice A is incorrect. A management cable, a RJ-45 to DB-9 terminal cable, is used to connect a PC to a switch (or router).

Choice C is incorrect. A RJ-45-to-RJ-45 rollover cable is used to connect the console port of the switch to a console PC or terminal.

Choice D is incorrect. A straight cable can be used to connect a switch to a router or a workstation.

6. Answer D is correct. The traffic has to be routed between the VLANs. A routing mechanism has to be provided for interVLAN communication.

Choices A and B are incorrect. Either IEEE 802.1Q or ISL trunking protocol can be used.

Choice C is also incorrect. Access switch has no use for interVLAN routing.

7. Answer C is correct. If a device is correctly connected to a port, and the device is powered on, the port light emitting diode (LED) will come on and stay on.

Choice A is incorrect as it is not used to see the loop.

Choice B is incorrect as it does not identify RTS signals.

Choice D is also incorrect. If lights comes on and goes off, then that means the device is not correctly connected.

8. Answer C is correct. The show standby command will display the virtual IP address, the virtual MAC address, and the IP address of the active and standby routers.

Choices A, B, and D are incorrect. There are no such commands.

9. Answer A is correct. Trunking is a way to carry traffic from several VLANs over a point-to-point link between the two devices. Two ways in which Ethernet trunking can be implemented are:

  • ISL (Cisco proprietary protocol)
  • 802.1Q (Institute of Electrical and Electronics Engineers (IEEE) standard)

The native VLAN is the VLAN to which the port will belong if that link becomes non-trunk.

10. Answer B is correct. In order for CGMP to operate correctly on a switch, the switch must have a network connection to a router running CGMP. A CGMP-capable IP multicast router detects all ICMP packets and informs the switch when specific hosts join or leave IP multicast groups.

Questions and answers provided by Whizlabs Software. To order the full version of this exam simulation, click here.

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