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Virtual LANs MCQ Questions and Answers

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In this section we provide lots of objective question of Virtual LANs in Computer Network.

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1) Which of the following is true regarding VLANs?

    You must have at least two VLANs defined in every Cisco switched network.
    All VLANs are configured at the fastest switch and, by default, propagate this information to all other switches.
    You should not have more than 10 switches in the same VTP domain.
    VTP is used to send VLAN information to switches in a configured VTP domain.

Answer : D Discuss

2) Which protocol reduces administrative overhead in a switched network by allowing the configuration of a new VLAN to be distributed to all the switches in a domain?

    STP
    VTP
    DHCP
    ISL

Answer : B Discuss

3) Which of the following is true regarding VTP?

    All switches are VTP servers by default.
    All switches are VTP transparent by default.
    VTP is on by default with a domain name of Cisco on all Cisco switches.
    All switches are VTP clients by default.

Answer : A Discuss

4) Which of the following commands sets a trunk port on a 2960 switch?

    trunk on
    trunk all
    switchport trunk on
    switchport mode trunk

Answer : D Discuss

5) Which command will configure a switch port to use the IEEE standard method of inserting VLAN membership information into Ethernet frames?

    Switch(config)# switchport trunk encapsulation isl
    Switch(config)# switchport trunk encapsulation ietf
    Switch(config)# switchport trunk encapsulation dot1q
    Switch(config-if)# switchport trunk encapsulation dot1q

Answer : D Discuss

6) When a new trunk link is configured on an IOS-based switch, which VLANs are allowed over the link?

    By default, all VLANs are allowed on the trunk.
    No VLAN's are allowed, you must configure each VLAN by hand.
    Only configured VLAN's are allowed on the link.
    Only extended VLAN's are allowed by default.

Answer : A Discuss

7) You want to improve network performance by increasing the bandwidth available to hosts and limit the size of the broadcast domains. Which of the following options will achieve this goal?

    Managed hubs
    Bridges
    Switches
    Switches configured with VLANs

Answer : D Discuss

8) Which switching technology reduces the size of a broadcast domain?

    ISL
    802.1Q
    VLANs
    STP

Answer : C Discuss

9) A switch has been configured for three different VLANs: VLAN2, VLAN3, and VLAN4. A router has been added to provide communication between the VLANs. What type of interface is necessary on the router if only one connection is to be made between the router and the switch?

    10Mbps Ethernet
    56Kbps Serial
    100Mbps Ethernet
    1Gbps Ethernet

Answer : C Discuss

10) What VTP mode allows you to change VLAN information on the switch?

    Client
    STP
    Server
    Transparent

Answer : C Discuss

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