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 ta

题目
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.

相似考题

1.Which two packet attributes contribute to the identification of a session? ()(Choose two.)A. destination portB. TTLC. IP optionsD. protocol number

2.Which two of the following are valid characteristics of EIGRP?()A. Has a maximum hop count of 25B. Can differentiate between internal and external routesC. Uses a 32-bit metricD. Can maintain only one routing tableE. Need all networks to use the same subnet maskF. Supports only one routed protocol

3.Which two of these are recommended practices with trunks? ()A. use ISL encapsulationB. use 802.1q encapsulationC. set ISL to desirable and auto with encapsulation negotiate to support ILS protocol negotiationD. use VTP server mode to support dynamic propagation of VLAN information across the networkE. set DTP to desirable and desirable with encapsulation negotiate to support DTP protocol negotiation.

4.Which two statements are true about AH?() (Choose two.)A. AH provides data integrity.B. AH is identified by IP protocol 50.C. AH is identified by IP protocol 51.D. AH cannot work in conjunction with ESP

更多“Which two of these are characteristics of the 802.1Q protocol?() ”相关问题

  • 第1题：

    Which two characteristics apply to a CAS T1 interface?（）

    • A、signaling travels in-band 
    • B、up to 24 voice channels 
    • C、up to 32 voice channels 
    • D、signaling travels in time slot 17 
    • E、uses Q.931 signaling protocol in a common channel

    正确答案:A,B

  • 第2题：

    Which two of the following are designated fields for MAC tunneling protocol（802.1 ah）？（）

    • A、Service Ethertype
    • B、ISL
    • C、PseudoLAN TAG
    • D、802.1q VLAN TAG
    • E、Control Word
    • F、Tunnel Label

    正确答案:A,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 two statements are characteristics of a distance vector routing protocol?（）

    • A、RIP is an example of distance vector routing protocols.
    • B、Updates are periodic and include the entire routing table.
    • C、Routing updates are sent only after topology changes
    • D、The protocol can be useful in hub-and-spoke and hierarchical networks.
    • E、Convergence is usually faster than with link state protocols
    • F、Each router has its own view of the topology

    正确答案:A,B

  • 第5题：

    Which two of these are recommended practices with trunks？（）

    • A、use ISL encapsulation
    • B、use 802.1q encapsulation
    • C、set ISL to desirable and auto with encapsulation negotiate to support ILS protocol negotiation
    • D、use VTP server mode to support dynamic propagation of VLAN information across the network
    • E、set DTP to desirable and desirable with encapsulation negotiate to support DTP protocol negotiation

    正确答案:B,E

  • 第6题：

    Which two are NOT characteristics of the OSPF routing protocol?（）

    • A、It confines network instability to a single area of network.
    • B、It increases the routing overhead of the network
    • C、It supports VLSM
    • D、It routes between Autonomous Systems.
    • E、It allows extensive control of routing updates

    正确答案:B,D

  • 第7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8题：

    多选题
    Which two are characteristics of the IS -IS protocol but not OSPF?（）
    A

    forms adjacencies with all neighbors

    B

    supports demand circuit routing

    C

    provides routing support for multiple network layer protocols

    D

    utilizes SPF algorithm

    E

    provides for network scalability by allowing the network to be separated into areas

    F

    three layers of hierarchical routing


    正确答案： D,B
    解析： 暂无解析

  • 第9题：

    多选题
    Which two of these are recommended practices with trunks？（）
    A

    use ISL encapsulation

    B

    use 802.1q encapsulation

    C

    set ISL to desirable and auto with encapsulation negotiate to support ILS protocol negotiation

    D

    use VTP server mode to support dynamic propagation of VLAN information across the network

    E

    set DTP to desirable and desirable with encapsulation negotiate to support DTP protocol negotiation


    正确答案： D,A
    解析： 暂无解析

  • 第10题：

    多选题
    Which two characteristics apply to a CAS T1 interface?（）
    A

    signaling travels in-band

    B

    up to 24 voice channels

    C

    up to 32 voice channels

    D

    signaling travels in time slot 17

    E

    uses Q.931 signaling protocol in a common channel


    正确答案： A,B
    解析： 暂无解析

  • 第11题：

    多选题
    Which two of the following are valid characteristics of EIGRP?（）
    A

    Has a maximum hop count of 25

    B

    Can differentiate between internal and external routes

    C

    Uses a 32-bit metric

    D

    Can maintain only one routing table

    E

    Need all networks to use the same subnet mask

    F

    Supports only one routed protocol


    正确答案： F,D
    解析： 暂无解析

  • 第12题：

    多选题
    Which two of these are characteristics of Metro Ethernet? （）
    A

    class of service

    B

    bandwidth profiles

    C

    user-network interface

    D

    Ethernet LAN circuit attributes

    E

    Ethernet virtual circuit attributes


    正确答案： A,B
    解析： 暂无解析

  • 第13题：

    Which two of these are recommended practices with trunks？ （）

    • A、 use ISL encapsulation
    • B、 use 802.1q encapsulation
    • C、 set ISL to desirable and auto with encapsulation negotiate to support ILS protocol negotiation
    • D、 use VTP server mode to support dynamic propagation of VLAN information across the network 
    • E、 set DTP to desirable and desirable with encapsulation negotiate to support DTP protocol negotiation.

    正确答案:B,E

  • 第14题：

    Which two of the following are valid characteristics of EIGRP?（）

    • A、Has a maximum hop count of 25
    • B、Can differentiate between internal and external routes
    • C、Uses a 32-bit metric
    • D、Can maintain only one routing table
    • E、Need all networks to use the same subnet mask
    • F、Supports only one routed protocol

    正确答案:B,C

  • 第15题：

    Which two characteristics describe the UDP protocol?（）

    • A、limited error checking
    • B、defined timers
    • C、no recovery mechanisms
    • D、three-way handshake

    正确答案:A,C

  • 第16题：

    Which two are characteristics of the IS -IS protocol but not OSPF?（）

    • A、forms adjacencies with all neighbors
    • B、supports demand circuit routing
    • C、provides routing support for multiple network layer protocols
    • D、utilizes SPF algorithm
    • E、provides for network scalability by allowing the network to be separated into areas
    • F、three layers of hierarchical routing

    正确答案:A,C

  • 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：

    Which two packet attributes contribute to the identification of a session? （）(Choose two.)

    • A、destination port
    • B、TTL
    • C、IP options
    • D、protocol number

    正确答案:A,D

  • 第19题：

    多选题
    Which two statements are true about AH?（） (Choose two.)
    A

    AH provides data integrity.

    B

    AH is identified by IP protocol 50.

    C

    AH is identified by IP protocol 51.

    D

    AH cannot work in conjunction with ESP


    正确答案： D,C
    解析： 暂无解析

  • 第20题：

    多选题
    Which two statements are characteristics of a distance vector routing protocol?（）
    A

    RIP is an example of distance vector routing protocols

    B

    Updates are periodic and include the entire routing table

    C

    Routing updates are sent only after topology changes

    D

    The protocol can be useful in hub-and-spoke and hierarchical networks

    E

    Convergence is usually faster than with link state protocols

    F

    Each router has its own view of the topology


    正确答案： B,F
    解析： 暂无解析

  • 第21题：

    多选题
    Which two values are used by Spanning Tree Protocol to elect a root bridge? (Choose two.)（）。
    A

    amount of RAM

    B

    bridge priority

    C

    IOS version

    D

    IP address

    E

    MAC address

    F

    speed of the links


    正确答案： B,A
    解析： 暂无解析

  • 第22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： E,B
    解析： 暂无解析

  • 第23题：

    多选题
    Which two characteristics describe the UDP protocol?（）
    A

    limited error checking

    B

    defined timers

    C

    no recovery mechanisms

    D

    three-way handshake


    正确答案： B,C
    解析： 暂无解析

  • 第24题：

    多选题
    Which two protocols use UDP as a transport protocol by default?（）
    A

    Telnet

    B

    ICMP

    C

    DHCP

    D

    RIP


    正确答案： A,B
    解析： 暂无解析

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