It is the size of the RSVP hello packet
It is how long it maintains RSVP neighbors
It is the length of time between RSVP hello packets
It is how long the router waits before declaring a router to be down
第1题：
A.A
B.B
C.C
D.D
第2题：
A. SPF packets
B. hello packets
C. keepalive packets
D. dead interval packets
E. LSU packets
第3题：
Hello!()?
Hello, this is Michael from Tianjin Vanguard Trading Inc.
A、Who are you?
B、What are you?
C、Who is that?
第4题：
On what is the Martini control plane based?（）
第5题：
What kind of packets does OSPF send to keep up connectivity with its neighboring routers?（）
第6题：
A. describes a change to the OSPF hello timer
B. carries one or more link-state advertisements
C. establishes and maintains neighbor relationships
D. describes the contents of the entire link-state database
第7题：
A.hello报文以组播方式发送，发送组播地址为224.0.0.9
B.只有在路由器接收到来自邻居的hello消息后，才会接收其他的PIM控制消息或者组播报文
C.Pim timer hello interval.在接口视图下配置发送hello消息的时间间隔，hello消息默认周期是30s
D.Pim hello-option holdtime interval，在接口视图下配置hello消息超时时间值
第8题：
A. 1 second
B. 3 seconds
C. 9 seconds
D. 12 seconds
第9题：
When the Cisco IOS OSPF command ip ospf dead-interval minimal hello-multiplier 5 is configured， which two statements are true？ （）
第10题：
What is the purpose of the RSVP hello interval?（）