为了帮助考生们复习好《思科认证:CCNA认证学科》,我们考吧网整理了一些关于思科认证:CCNA认证的复习模拟试题,本次汇编的模拟试题希望对你的考试有所帮助,预祝你考试顺利
1. 哪一选项恰当地描述了单播流量? A
被发送到一个设备的数据流量
被发送到同一VLAN中所有设备的数据流量
通过外部AS重新分发的数据流量
发送到配置用来接收相同数据流的路由器的数据流量
2. 哪一种拓扑结构采用了中央设备来为其他设备提供点对点连接? D
总线型
树型
环型
星型
3. IP地址172.16.12.4/26采用哪一个子网掩码? D
255.0.0.0
255.255.0.0
255.255.255.0
255.255.255.192
255.255.255.224
4. 哪一个术语定义了电信运营商承诺每秒通过单个PVC的字节数? C
访问速率
BECN
CIR
FECN
标头速率
5. 以下哪两项属于路由器的主要功能? (选择两项。) AB
提供数据包转发功能
提供路径判断功能
提供端点连接功能
对广域网链路进行微分段
6: when using tcp, after a session is open, the applications can adjust the number of segments they receive before sending an acknowledgment. this behavior is known as ______________.
a. mtu adjustment
b. windowing
c. flexible send path
d. fcs
7: if the destination did not receive a segment, how will the tcp host know to resend the information?
a. the ack received will not include the segment number that was not received.
b. the ack received will include the segment number that was not received.
c. the sending host will send a pack to verify segment receipt.
d. the destination host will send a yack message back to the sending host.
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