单项选择题
What is the default routing update period for RIPv2?（）
A.15 seconds
B.30 seconds
C.180 seconds
D.240 seconds
相关考题
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多项选择题
The OSPF Hello protocol performs which of the following tasks (Choose two.)（）。
A.It provides dynamic neighbor discovery.
B.It detects unreachable neighbors in 90 second intervals.
C.It maintains neighbor relationships.
D.It negotiates correctness parameters between neighboring interfaces.
E.Ituses timers to elect the router with the fastest links as the designated router.
F.It broadcasts hello packets throughout the internetwork to discover all routers that are running OSPF. -
多项选择题
一个公司正在安装IP电话。电话和办公室电脑连接到同个设备上，为了保证电话数据的最大传输量，公司需要确定电话流量是和办公室电脑的数据流量不是在同一个网络上。以下哪个是最好的网络设备，用来直连到电话和电脑，并且，哪种技术应该被配置在该设备上？（）
A.hub
B.router
C.switch
D.STP
E.subinterfaces
F.VLAN -
单项选择题
An administrator issues the command ping 127.0.0.1 from the command line prompt on a PC.If a reply is received, what does this confirm?（）
A.The PC has connectivity with a local host.
B.The PC has connectivity with a Layer 3 device.
C.The PC has a default gateway correctly configured
D.The PC has connectivity up to Layer 5 of the OSI model
E.The PC has the TCP/IP protocol stack correctly installed.
