多选题Which three of these statements regarding 802.1Q trunking are correct? （）A802.1Q native VLAN frames are untagged by default.B802.1Q trunking ports can also be secure ports.C802.1Q trunks can use 10 Mb/s Ethernet interfaces.D802.1Q trunks require full-d

题目
多选题
Which three of these statements regarding 802.1Q trunking are correct? （）
A

802.1Q native VLAN frames are untagged by default.

B

802.1Q trunking ports can also be secure ports.

C

802.1Q trunks can use 10 Mb/s Ethernet interfaces.

D

802.1Q trunks require full-duplex, point-to-point connectivity.

E

802.1Q trunks should have native VLANs that are the same at both ends.

相似考题

1.Which statement about vlan operation on cisco catalyst switches is true?()A. when a packet is received from an 802.1Q trunk,the vlan id can be determined from the source MAC address table.B. unkown unicast frames are retransmitted only to the ports that belong to the same vlanC. ports between switches should be configured in access mode so that vlans can span across the portsD. broadcast and multicast frames are retransmitted to ports that are configured on different vlan.

2.Which three of these statements regarding 802.1Q trunking are correct?()A. 802.1Q native VLAN frames are untagged by default.B. 802.1Q trunking ports can also be secure ports.C. 802.1Q trunks can use 10 Mb/s Ethernet interfaces.D. 802.1Q trunks require full-duplex, point-to-point connectivity.E. 802.1Q trunks should have native VLANs that are the same at both ends.

3.Which three of these statements regarding 802.1Q trunking are correct? ()A.802.1Q native VLAN frames are untagged by default.B.802.1Q trunking ports can also be secure ports.C.802.1Q trunks can use 10 Mb/s Ethernet interfaces.D.802.1Q trunks require full-duplex, point-to-point connectivity.E.802.1Q trunks should have native VLANs that are the same at both ends.

4.Which two of these are characteristics of the 802.1Q protocol?()A. it is a layer 2 messaging protocol which maintains vlan configurations across network.B. it includes an 8-bit field which specifies the priority of a frame.C. it is used exclusively for tagging vlan frames and dose not address network reconvergence following switched network topology changes.D. it modifies the 802.3 frame header,and thus requires that the FCS be recomputed.E. it is a trunking protocol capable of carring untagged frames.

参考答案和解析
正确答案： E,C
解析： 暂无解析
更多“多选题Which three of these statements regarding 802.1Q trunking are correct? （）A802.1Q native VLAN frames are untagged by default.B802.1Q trunking ports can also be secure ports.C802.1Q trunks can use 10 Mb/s Ethernet interfaces.D802.1Q trunks require full-d”相关问题

  • 第1题：

    Which statements about 802.1Q trunking in Secure Network Foundation Design Guide for Single Site Deployments are correct？（）

    • A、The Cisco Control VLAN carries only Layer 2 control traffic
    • B、802.1Q trunking is used between the access switch and the router
    • C、There is no 802.1Q trunking used in these designs
    • D、When 802.1Q trunks are configured， they are also called Native VLANs
    • E、Trunking Ensures that traffic from only one VLAN is carried on that trunk

    正确答案:B

  • 第2题：

    Cisco Catalyst switches CAT1 and CAT2 have a connection between them using ports FA0/13. An 802.1Q trunk is configured between the two switches. On CAT1, VLAN 10 is chosen as native, but on CAT2 the native VLAN is not specified.What will happen in this scenario?（）

    • A、802.1Q giants frames could saturate the link.
    • B、VLAN 10 on CAT1 and VLAN 1 on CAT2 will send untagged frames.
    • C、A native VLAN mismatch error message will appear.
    • D、VLAN 10 on CAT1 and VLAN 1 on CAT2 will send tagged frames.

    正确答案:C

  • 第3题：

    The core Company switches are configured to use 802.1Q trunks.  Which three statements are  correct with regard to the IEEE 802.1Q standard？（）

    • A、 The IEEE 802.1Q frame format adds a 4 byte field to a Ethernet frame
    • B、 The packet is encapsulated with a 26 byte header and a 4 byte FCS
    • C、 The protocol uses point-to-multipoint connectivity
    • D、 The protocol uses point-to-point connectivity
    • E、 The IEEE 802.1Q frame uses multicast destination of 0x01-00-0c-00-00
    • F、 The IEEE 802.1Q frame retains the original MAC destination address

    正确答案:A,D,F

  • 第4题：

    Which statement about vlan operation on cisco catalyst switches is true?（）

    • A、when a packet is received from an 802.1Q trunk,the vlan id can be determined from the source MAC address table.
    • B、unkown unicast frames are retransmitted only to the ports that belong to the same vlan
    • C、ports between switches should be configured in access mode so that vlans can span across the ports
    • D、broadcast and multicast frames are retransmitted to ports that are configured on different vlan.

    正确答案:B

  • 第5题：

    You are designing your network to be able to use trunks. As part of this process you are comparing the ISL and 802.1Q encapsulation options. All of these statements about the two encapsulation options are correct except which one？（）

    • A、Both support normal and extended VLAN ranges.
    • B、ISL is a Cisco proprietary encapsulation method and 802.1Q is an IEEE standard.
    • C、ISL encapsulates the original frame.
    • D、Both support native VLANs.
    • E、802.1Q does not encapsulate the original frame.

    正确答案:D

  • 第6题：

    A switch port on TK1 is being configured to support 802.1Q trunking.  Which of the following are true about 802.1Q trunking？（）

    • A、Both switches must be in the same VTP domain.
    • B、The encapsulation type of both ends of the trunk does not have to match.
    • C、The native VLAN on both ends of the trunk must be VLAN 1.
    • D、802.1Q trunking can only be configured on a Layer 2 port.
    • E、In 802.1Q trunking， all VLAN packets are tagged on the trunk link， except the native VLAN.

    正确答案:E

  • 第7题：

    You are the network administrator at Company and switch R1 is configured as shown below：  Interface gigethernet 0/1  Switchport mode trunk   Switchport trunk encapsulation dot1q  Switchport trunk native vlan 5   If untagged frames are arriving on interface gigethernet 0/1 of R1，  which of the following statement  are correct？（）

    • A、 Untagged frames are automatically assumed to be in VLAN 5.
    • B、 Untagged frames are defaulted to VLAN 1 traffic.
    • C、 Untagged frames are dropped because all packets are tagged when dot1q trunked.
    • D、 Untagged frames are determined on the other switch
    • E、 Untagged frames are not supported on 802.1Q trunks.

    正确答案:A

  • 第8题：

    单选题
    You are designing your network to be able to use trunks. As part of this process you are comparing the ISL and 802.1Q encapsulation options. All of these statements about the two encapsulation options are correct except which one？（）
    A

    Both support normal and extended VLAN ranges.

    B

    ISL is a Cisco proprietary encapsulation method and 802.1Q is an IEEE standard.

    C

    ISL encapsulates the original frame.

    D

    Both support native VLANs.

    E

    802.1Q does not encapsulate the original frame.


    正确答案： E
    解析： 暂无解析

  • 第9题：

    单选题
    Cisco Catalyst switches CAT1 and CAT2 have a connection between them using ports FA0/13.An 802.1Q trunk is configured between the two switches.On CAT1，VLAN10 is chosen as native，but on CAT2 the native VLAN is not specified.What will happen in this scenario？（）
    A

    802.1Q giants frames could saturate the link.

    B

    VLAN10 on CAT1 and VLAN1 on CAT2 will send untagged frames.

    C

    A native VLAN mismatch error message will appear.

    D

    VLAN10 on CAT1 and VLAN1 on CAT2 will send tagged frames.


    正确答案： B
    解析： 暂无解析

  • 第10题：

    单选题
    Cisco Catalyst switches CAT1 and CAT2 have a connection between them using ports FA0/13. An 802.1Q trunk is configured between the two switches. On CAT1, VLAN 10 is chosen as native, but on CAT2 the native VLAN is not specified.What will happen in this scenario?（）
    A

    802.1Q giants frames could saturate the link.

    B

    VLAN 10 on CAT1 and VLAN 1 on CAT2 will send untagged frames.

    C

    A native VLAN mismatch error message will appear.

    D

    VLAN 10 on CAT1 and VLAN 1 on CAT2 will send tagged frames.


    正确答案： C
    解析： 暂无解析

  • 第11题：

    单选题
    The Company core switches use 802.1Q trunks to connect to each other.  How does 802.1Q  trunking keep track of multiple VLANs？ （）
    A

     It tags the data frame with VLAN information and recalculates the CRC value

    B

     It encapsulates the data frame with a new header and frame check sequence

    C

     It modifies the port index of a data frame to indicate the VLAN

    D

     It adds a new header containing the VLAN ID to the data frame

    E

     None of the other alternatives apply


    正确答案： E
    解析： 暂无解析

  • 第12题：

    多选题
    Which two of these are characteristics of the 802.1Q protocol？（）
    A

    it is a layer 2 messaging protocol which maintains vlan configurations across network.

    B

    it includes an 8-bit field which specifies the priority of a frame.

    C

    it is used exclusively for tagging vlan frames and dose not address network reconvergence following switched network topology changes.

    D

    it modifies the 802.3 frame header，and thus requires that the FCS be recomputed.

    E

    it is a trunking protocol capable of carring untagged frames.


    正确答案： C,D
    解析： 暂无解析

  • 第13题：

    Vlans have been enabled on an autonomous access point. in order for clients associating to vlans other than the native vlan to receive an ip address. Which of the following must be configured？（）

    • A、access point ethernet port set to ssl trunking
    • B、switchport set to 802.1q trunking
    • C、switchport set to ssl trunking
    • D、access point ethernet port not set to 802.1q trunking

    正确答案:B

  • 第14题：

    You need to connect two Company core switches via an ISL trunk.  Which statement is true  regarding the configuration of ISL trunks？ （）

    • A、 A Catalyst switch cannot have ISL and IEEE 802.1q trunks enabled.
    • B、 All Catalyst switches support ISL trunking.
    • C、 A Catalyst switch will report giants if one side is configured for ISL while the other side is not.
    • D、 ISL trunking requires that native VLANs match.
    • E、 None of the other alternatives apply

    正确答案:C

  • 第15题：

    VLANs have been enabled on an autonomous access point. In order for clients associating toVLANs other than the native VLAN to receive an IP address which of the following must beconfigured？（）

    • A、access point Ethernet port set to SSL trunking
    • B、switchport set to 802.1q trunking
    • C、switchport set to SSL trunking
    • D、access point Ethernet port not set to 802.1q trunking

    正确答案:B

  • 第16题：

    Which three of these statements about Dynamic Trunking Protocol are correct？（）

    • A、It supports autonegotiation for both ISL and IEEE 802.1Q trunks.
    • B、It must be disabled on an interface if you do not want the interface to work as a trunk or start negotiation to become a trunk.
    • C、It is a point-to-multipoint protocol.
    • D、It is a point-to-point protocol.
    • E、It is not supported on private VLAN ports or tunneling ports.

    正确答案:A,B,D

  • 第17题：

    Which two of these are characteristics of the 802.1Q protocol?（）

    • A、it is a layer 2 messaging protocol which maintains vlan configurations across network.
    • B、it includes an 8-bit field which specifies the priority of a frame.
    • C、it is used exclusively for tagging vlan frames and dose not address network reconvergence following switched network topology changes.
    • D、it modifies the 802.3 frame header,and thus requires that the FCS be recomputed.
    • E、it is a trunking protocol capable of carring untagged frames.

    正确答案:D,E

  • 第18题：

    The Company core switches use 802.1Q trunks to connect to each other.  How does 802.1Q  trunking keep track of multiple VLANs？ （）

    • A、 It tags the data frame with VLAN information and recalculates the CRC value
    • B、 It encapsulates the data frame with a new header and frame check sequence
    • C、 It modifies the port index of a data frame to indicate the VLAN
    • D、 It adds a new header containing the VLAN ID to the data frame
    • E、 None of the other alternatives apply

    正确答案:A

  • 第19题：

    多选题
    The core Company switches are configured to use 802.1Q trunks.  Which three statements are  correct with regard to the IEEE 802.1Q standard？（）
    A

    The IEEE 802.1Q frame format adds a 4 byte field to a Ethernet frame

    B

    The packet is encapsulated with a 26 byte header and a 4 byte FCS

    C

    The protocol uses point-to-multipoint connectivity

    D

    The protocol uses point-to-point connectivity

    E

    The IEEE 802.1Q frame uses multicast destination of 0x01-00-0c-00-00

    F

    The IEEE 802.1Q frame retains the original MAC destination address


    正确答案： B,F
    解析： 暂无解析

  • 第20题：

    多选题
    Which three of these statements regarding 802.1Q trunking are correct? （）
    A

    802.1Q native VLAN frames are untagged by default.

    B

    802.1Q trunking ports can also be secure ports.

    C

    802.1Q trunks can use 10 Mb/s Ethernet interfaces.

    D

    802.1Q trunks require full-duplex, point-to-point connectivity.

    E

    802.1Q trunks should have native VLANs that are the same at both ends.


    正确答案： C,A
    解析： 暂无解析

  • 第21题：

    多选题
    Which three of these statements about Dynamic Trunking Protocol are correct？（）
    A

    It supports autonegotiation for both ISL and IEEE 802.1Q trunks.

    B

    It must be disabled on an interface if you do not want the interface to work as a trunk or start negotiation to become a trunk.

    C

    It is a point-to-multipoint protocol.

    D

    It is a point-to-point protocol.

    E

    It is not supported on private VLAN ports or tunneling ports.


    正确答案： A,B
    解析： 暂无解析

  • 第22题：

    单选题
    Which statements about 802.1Q trunking in Secure Network Foundation Design Guide for Single Site Deployments are correct？（）
    A

    The Cisco Control VLAN carries only Layer 2 control traffic

    B

    802.1Q trunking is used between the access switch and the router

    C

    There is no 802.1Q trunking used in these designs

    D

    When 802.1Q trunks are configured， they are also called Native VLANs

    E

    Trunking Ensures that traffic from only one VLAN is carried on that trunk


    正确答案： B
    解析： 暂无解析

  • 第23题：

    单选题
    A switch port on TK1 is being configured to support 802.1Q trunking.  Which of the following are true about 802.1Q trunking？（）
    A

    Both switches must be in the same VTP domain.

    B

    The encapsulation type of both ends of the trunk does not have to match.

    C

    The native VLAN on both ends of the trunk must be VLAN 1.

    D

    802.1Q trunking can only be configured on a Layer 2 port.

    E

    In 802.1Q trunking， all VLAN packets are tagged on the trunk link， except the native VLAN.


    正确答案： C
    解析： 暂无解析

  • 第24题：

    单选题
    You are designing your network to be able to use trunks. As part of this process you are comparing the ISL and 802.1Q encapsulation options. All of these statements about the two encapsulation options are correct except which one？ （）
    A

     Both support normal and extended VLAN ranges.

    B

     ISL is a Cisco proprietary encapsulation method and 802.1Q is an IEEE standard.

    C

     ISL encapsulates the original frame.

    D

     Both support native VLANs.

    E

     802.1Q does not encapsulate the original frame.


    正确答案： A
    解析： 暂无解析

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