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    Testinside 640-802 v2010-01-19(50 Q&As)

    By Raiy Wong | January 25, 2010

    1. A wireless client cannot connect to an 802.11b/g BSS with a b/g wireless card. The client section of the access point does not list any active WLAN clients. What is a possible reason for this?

    A. The incorrect channel is configured on the client.

    B. The client’s IP address is on the wrong subnet.

    C. The client has an incorrect pre-shared key.

    D. The SSID is configured incorrectly on the client.

    Answer: D

    2. A network administrator issues the ping command and successfully tests connectivity to a host that has been newly connected to the network. Which protocols were used during the test? (Choose two.)

    A. ARP

    B. CDP

    C. DHCP

    D. DNS

    E. ICMP

    Answer: AE

    3. A national retail chain needs to design an IP addressing scheme to support a nationwide network. The company needs a minimum of 300 sub-networks and a maximum of 50 host addresses per subnet. Working with only one Class B address, which of the following subnet masks will support an appropriate addressing scheme? (Choose two.)







    Answer: BE

    4. Identify the four valid IPv6 addresses. (Choose four.)

    A. ::

    B. ::192:168:0:1

    C. 2000::

    D. 2001:3452:4952:2837::

    E. 2002:c0a8:101::42

    F. 2003:dead:beef:4dad:23:46:bb:101

    Answer: ABEF

    5. Which two of these statements regarding RSTP are correct? (Choose two.)

    A. RSTP cannot operate with PVST+.

    B. RSTP defines new port roles.

    C. RSTP defines no new port states.

    D. RSTP is a proprietary implementation of IEEE 802.1D STP.

    E. RSTP is compatible with the original IEEE 802.1D STP.

    Answer: BE

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