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ISL和802.1q封装的的目的是什么（）？
- A、为了最优化路径的选择
- B、为了交换路由表
- C、为了实现生成树协议
- D、为了在VLAN之间通讯
参考答案
更多 “ISL和802.1q封装的的目的是什么（）？A、为了最优化路径的选择B、为了交换路由表C、为了实现生成树协议D、为了在VLAN之间通讯” 相关考题
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Cisco Catalyst 6500交换机的3/1端口与一台其他厂商的交换机相连，并要求该端口工作在VLANTrunk模式。这两台交换机的Trunk端口都应封装的协议和Cisco Catalyst 6500设置Traank模式的正确配置语句分别是______。A．ISL和set 3/1 trunk on islB．ISL和set trunk 3/1 on islC．IEEE 802.1Q和set tramk 3/1 on dotlqD．IEEE 802.1Q和set 3/1 trunk on dotlq
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一台Cisco交换机和一台3COM交换机相连，相连端口都工作在Ⅵ,AN trunk模式，这两个端口应使用的VLAN协议是——。A．ISL和IEEE 802．10B．ISL和ISLC．ISL和IEEE 802．1QD．IEEE 802．1Q和IEEE 802．1Q
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一台Cisco交换机和一台3COM交换机相连，相连端口都工作在VLANTnmk模式下，这两个端口应使用的VLAN协议分别是(9)。A．ISL和IEEE 802.10B．ISL和ISLC．ISL和IEEE 802.1QD．IEEE 802.1Q和IEEE 802.1Q
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ISL是Cisco的私有协议,它是通过在以太网帧的首尾增加封装从而在中继链路上多路复用VLAN的一种方法,经过ISL封装的以太网帧的最大长度是( )。
A、1518byteB、1530byteC、1548byteD、1578byte
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一台Cisco交换机和一台3COM交换机相连，相连端口都工作在VLAN Trunk模式，这两个端口应使用的VLAN协议分别是 （ ） 。A.ISL和IEEE 802.10
B.ISL和ISL
C.ISl和802.1Q
D.802.1Q和802.1Q
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When configuring VLANs on an autonomous access point，what must be configured on theconnected switchport？（）A、802.1q trunkingB、VTP trunkingC、ISL trunkingD、DPT trunking
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Which of the following technologies would an Internet Service Provider use to support overlapping customer VLAN ID’s over transparent LAN services？ （）A、 802.1q tunnelingB、 ATMC、 SDHD、 IP Over Optical NetworkingE、 ISL
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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 network E、 set DTP to desirable and desirable with encapsulation negotiate to support DTP protocol negotiation.
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When configuring vlans on an autonomous access point. What must be configured on the connected switchport？（）A、802.1q trunkingB、vtp trunkingC、isl trunkingD、dpt trunking
考题
下列关于802.1q封装数据帧的理解正确的是（）。A、从VLAN1的端口连接的终端发出的数据已经携带了802.1q信息B、从VLAN1的端口连接的终端发出的数据是不会携带802.1q信息的C、从打封装端口接收的数据都是携带802.3qVLAN信息的D、从打封装端口接收的数据可以不携带802.3qVLAN信息
考题
关于IEEE802.1Q标准描述的正确的是：（）A、在源MAC地址字段和协议类型字段之间加入4字节的802.1Q的TAG。B、在目的MAC地址字段和协议类型字段之间加入4字节的802.1Q的TAG。C、封装802.1Q帧的目的MAC地址使用的是0X01-00-0C-00-00。D、封装802.1Q帧不改变原有帧的目的MAC地址。
考题
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.
考题
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
考题
单选题下列关于802.1q封装数据帧的理解正确的是（）。A
从VLAN1的端口连接的终端发出的数据已经携带了802.1q信息B
从VLAN1的端口连接的终端发出的数据是不会携带802.1q信息的C
从打封装端口接收的数据都是携带802.3qVLAN信息的D
从打封装端口接收的数据可以不携带802.3qVLAN信息
考题
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.
考题
单选题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
考题
多选题Which two of these are recommended practices with trunks？（）Ause ISL encapsulationBuse 802.1q encapsulationCset ISL to desirable and auto with encapsulation negotiate to support ILS protocol negotiationDuse VTP server mode to support dynamic propagation of VLAN information across the networkEset DTP to desirable and desirable with encapsulation negotiate to support DTP protocol negotiation
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