学龄前儿童每天碳水化合物类供能为总能量的（　　）。

In low-speed network,it is usually adequate to wait for congestion to occur and then react to it by telling the source of packets to slow down.In high-speed networks,this approach often works poorly,because in the（71）between sending the notification and notification arriving at the source,thousands of additional（72）may arrive.In ATM network,a major tool for preventing（73）is（74）control.When a host wants a new virtual（75）,it must describe the traffic to be offered and the service expected.

2023-09-01 从业资格其它

In low-speed network,it is usually adequate to wait for congestion to occur and then react to it by telling the source of packets to slow down.In high-speed networks,this approach often works poorly,because in the（本题）between sending the notification and notification arriving at the source,thousands of additional（72）may arrive.In ATM network,a major tool for preventing（73）is（74）control.When a host wants a new virtual（75）,it must describe the traffic to be offered and the service expected.

2023-09-01 从业资格其它

（ ）is the popular backbone technology for transmitting information at highspeed with a high level of fault tolerance which is developed under thedirection of ANSI.

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（ ）is a six bytes OSI layer 2 address which is burned into every networking device that provides its unique identity for point to point communication.

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（ ）functions with two layers of protocols.It Can connect networks of different speeds and can be adapted to an environment as it expands.

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（ ）is the popular LAN developed under the direction of the IEEE 802.5.（ ）is the popular backbone technology for transmitting information at highspeed with a high level of fault tolerance which is developed under thedirection of ANSI.

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在Kerberos系统中，使用（ ）和时间戳来防止重放攻击。

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RSA是一种（ ）算法。

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CSMA/CD协议可以利用多种监听算法来减小发送冲突的概率，下面关于各种监听算法的描述中，正确的是 （ ）

2023-09-01 从业资格其它

两个公司希望通过Internet进行安全通信，保证从信息源到目的地之间的数据传输以密文形式出现，而且公司不希望由于在中间节点使用特殊的安全单元而增加开支，最合适的加密方式是 端-端加密 ，使用的会话密钥算法应该是 （ ）

2023-09-01 从业资格其它