其他 2021_06_11 每日一练

SIP协议应用中,代表被叫用户代理已经得到被叫的位置,正在提醒被叫用户的消息是().

A.180

B.181

C.182

D.100

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两次空高测量误差()mm时应重测。

A.1

B.0.5

C.2

D.1.5

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Which three statements are true about EIGRP operation?()

A. When summarization is configured, the router will also create a route to null 0.

B. The summary route remains in the route table, even if there are no more specific routes to the network.

C. Summarization is configured on a per- interface level.

D. The maximum metric for the specific routes is used as the metric for the summary route.

E. Automatic summarization across major network boundaries is enabled by default.

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可能导致GSM DT测试未接通的原因有()。

A.位置更新

B.TCH分配失败

C.SDC掉话

D.小区重选

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市、区县(自治县)人民政府应当加强( )的保护,开展污染治理,推进生态脆弱河流和地区水生态修复工程建设,建立生态修复维护管理长效机制。

A.饮用水水源地

B.重要生态保护区

C.水源涵养区

D.江河源头区

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There are three IS-IS routers on a Gigabit Ethernet segment: Router A, Router B, and Router C. Each router is configured in the same area and each routers Gigabit Ethernet interface is configured for Level 1-only. Router A is the Designated Intermediate System (DIS). Each routers IP address on that segment is:Router A: 10.1.1.1/24Router B: 10.1.1.2/24Router C: 10.2.2.1/26Which statement is true about all the adjacencies that exist on that LAN?（）

A. No routers are adjacent with each other.

B. Only Router A and Router B are adjacent at Level 1.

C. Only Router A and Router B are adjacent at Level 2.

D. All three routers are adjacent with each other at Level 1.

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