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What is the next state of initial in spanning-tree protocol？

题目
问答题
What is the next state of initial in spanning-tree protocol？
参考答案和解析
正确答案： blocking 
解析： 暂无解析
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相似问题和答案

第1题：

Configuration management is the process of managing change in hardware，software，firmware，documentation，measurements，etc．As change requires an initial state and next state，the marking of significant states within a series of several changes becomes important．The identification of significant states within the revision history of a configuration item is the central purpose of(75) identification．

A．baseline

B．value

C．cost

D．control


正确答案：A
解析：配置管理是在硬件、软件、固件、文件、测量等的过程管理的变化，作为变化需要有一个初始状态和下一个状态，标识上一状态变化非常重要，配置项目需确定重要状态的修订历史记录，主要目的是基线的确定。

第2题：

When a router undergoes the exchange protocol within OSPF, in what order does it pass through each state?()

A.exstart state>exchange state>loading state>full state

B.exstart state>full state>loading state>exchange state

C.Loading state>exchange state>full state>exstart state

D.exstart state>loading state>exchange state>full state


参考答案：A

第3题：

● Configuration management is the process of managing change in hardware, software, firmware, documentation, measurements, etc. As change requires an initial state and next state, the marking of significant states within a series of several changes becomes important. The identification of significant states within the revision history of a configuration item is the central purpose of （75） identification.

（75）

A. baseline

B. value

C.cost

D. control


正确答案：A

第4题：

What is correct regarding the configuration shown below?（） （1）static route 0.0.0.0/0 （2）qualified-next-hop 172.30.25.1 preference 7 （3）next-hop 172.30.25.5

  • A、The next-hop 172.30.25.1 is selected because the address has the lowest value.
  • B、The next-hop 172.30.25.1 is selected because it is listed first.
  • C、The next-hop 172.30.25.1 is selected because it is the lowest protocol preference.
  • D、The next-hop 172.30.25.5 is selected because it is the lowest protocol preference.

正确答案:D

第5题：

What are the two reasons for the appearance of 0.0.0.0 as the next hop for a network in the show ip bgp command output？（）

  • A、The network was originated via redistribution of an interior gateway protocol into BGP
  • B、The network was defined by a static route
  • C、The network was originated via a network or aggregate command
  • D、The network was learned via EBGP
  • E、The network was learned via IBGP

正确答案:A,C

第6题：

Which term describes a spanning－tree network that has all switch ports in either the blocking or forwarding state?()

A. redundant

B. spanned

C. provisioned

D. converged


参考答案：D

第7题：

What information does a router running a link－state protocol use to build and maintain its topological database?()

A. hello packets

B. SAP messages sent by other routers

C. LSAs from other routers

D. beacons received on point-to-point links

E. routing tables received from other link-state routers

F. TTL packets from designated routers


参考答案：A, C

第8题：

What refers to the protocols used to determine who goes next on a multi-access channel?(29)

A．MAC(medium access control)

B．ARP(address resolution protocol)

C．NAT(network address translation)

D．CIDR(classless interdomain routing)


正确答案：A

第9题：

Open Shortes t Path First (OSPF) is a routing protocol developed for Internet Protocol (IP) networks by the Interior Gateway Protocol (IGP) working group of the Internet Engineering Task Force (IETF). Which two statements best describe the OSPF link - state routing pro tocol?（）

  • A、OSPF sends updates every 10 seconds
  • B、OSPF sends triggered updates when a network change occurs
  • C、When a link state is changed, the router that detected the change creates a link - state advertisement (LSA) and propagates it  to all OSPF devices using the 224.0.0.6 multicast address
  • D、OSPF sends summaries of individual link- state entries every 30 minutes to ensure LSDB synchronization

正确答案:B,D

第10题：

What Cisco technology protects against Spanning-Tree Protocol manipulation？（）

  • A、 Spanning tree protect
  • B、 Root Guard and BPDU Guard
  • C、 Unicast Reverse Path Forwarding
  • D、 MAC spoof guard
  • E、 Port Security

正确答案:B

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