以下两个选项是工作在OSI模型的应用层的？（）A.pingB.TelnetC.FTPD.T

A router has two FastEthernet interfaces and needs to c...

单项选择题A router has two FastEthernet interfaces and needs to connect to four vlans in the local network.How can you accomplish this task，using the fewest physical interfaces and without decreasing networkper formance？（）

A.Add two more FastEthernet interfaces.
B.Add a second router to handle the vlan traffic.
C.Use a hub to connect the four vlans with a FastEthernet interface on router.
D.Implement a router-on-a-stick configuration.

哪种类型的攻击的特点是发大量的TCP请求连接数据包到服务器？（）A.拒绝服务B.强制叠加C.监听D.木马

单项选择题哪种类型的攻击的特点是发大量的TCP请求连接数据包到服务器？（）

A.拒绝服务
B.强制叠加
C.监听
D.木马

A network administrator receives an error message while...

单项选择题A network administrator receives an error message while tring to configure the Ethernet interface of a router with IP address 10.24.24.24/29. which statement explains the reason for this issue？（）

A.The address is abroadcast address.
B.The Ehernet interface is faulty.
C.VLSM-capable routing protocols must be enable first on the router.
D.This address is a network address.

CCNA系列认证综合练习

以下两个选项是工作在OSI模型的应用层的？（）