2021儿科护理专业实践能力真题模拟07-02

1、According to RFC 2328, what is the stateful order in which an OSPF router transitions to a full adjacency with a neighbor router？（）（单选题）

A. Down, Init, 2 - Way, Exstart, Exchange, Loading, and Full

B. Down, Init, 2 - Wa y, Exchange, Exstart, Loading, and Full

C. Down, 2 - Way, Init, Loading, Exstart, Exchange, and Full

D. Down, 2 - Way, Init, Exchange, Exstart, Loading, and Full

E. Down, Init, 2 - Way, Loading, Exstart, Exchange, and Full

F. Down, 2 - Way, Init, Exstart, Exch ange, Loading, and Full

试题答案：A

2、 Refer to the exhibit. In a redundant hub - and - spoke deployment using EIGRP, what feature can be used to ensure that routers C through F are not used as transit routers for data traveling from router B to network 10.1.1.0? Select the best response.（） （单选题）

A. Use address summarization at routers C, D, E, and F

B. Use the EIGRP Stub featu re on routers C, D, E, and F

C. Use passive - interface on the spoke links in routers A and B

D. Change the administrative distance in routers A and B for routes learned from routers C, D, E,and F

试题答案：暂无答案

3、What are disadvantages of Network Address Translation Transparency?（）（多选题）

A. There is no disadvantage.

B. It will add 16 bytes per packet of overhead(8 bytes UDP header, and 8 bytes of NON-IKE Marker).

C. It will add 36 bytes per packet of overhead (20 bytes of IP header, 8 bytes of UDP header, 8 bytes of NON-IKE Marker).

D. It will require that both crypto peers support this feature in the IOS version. Both crypto peers must also have this feature enabled.

试题答案：B,D

4、下列关于OSPF协议的说法正确的是（）（多选题）

A.  OSPF支持基于接口的报文验证

B.  OSPF支持到同一目的地址的多条等值路由

C.  OSPF是一个基于链路状态算法的边界网关路由协议

D.  OSPF发现的路由可以根据不同的类型而有不同的优先级

试题答案：A,B,D

5、Which two QoS statements are true about the use of the SDM QoS wizard？ （）（多选题）

A.  Business-critical traffic includes VoIP and voice signaling packets.

B.  SDM can be used to configure a basic QoS policy for incoming traffic on WAN interfaces and IPsec tunnels.

C.  SDM can provide QoS for real-time traffic and business-critical traffic.

D.  SDM creates a custom-queuing （CQ） or a priority-queuing （PQ） policy.

E.  SDM creates a low latency queuing （LLQ） service policy with its associated classes.

F.  When allocating bandwidth， values can be entered in either bandwidth percentage or kilobytes per second （kBps）.

试题答案：C,E