在SNMP协议中，NMS（Network Management Station） 向代理（Agent）发出的报文有哪些？
第1题：
●The Simple Network Management Protocol (SNMP)is an (71) protocol that facilitates the exchange of management information between (72) ．It is part of the Transmission Control Protocol/Internet Protocol(TCP/IP) protocol suite．SNMP enables network (73) to manage network performance, find and sole network problems,and plan for (74) ．An SNMP-managed network consists of three key components:managed devices , (75) ,and network-management systems ．
(71) A．Physical Layer
B．Link Layer
C．Network Layer
D．Transport Layer
(72) A．network stations
B．network clients
C．network devices
D．network servers
(73) A．servers
B．administrators
C．computers
D．routers
(74) A．network growth
B．network structure
C．network architecture
D．network servers
(75) A．administrators
B．agents
C．managers
D．servers
第2题：
第3题：
在因特网中，SNMP使用的传输层协议是（ ）。
UDP
第4题：
A、GET
B、GET NEXT
C、SET
D、REQUEST
正确答案：A、B、C
第5题：
The Simple Network Management Protocol (SNMP)is an(71)protocol that facilitates the exchange of management information between(72). It is part of the Transmission Control Protocol/Internet Protocol (TCP/IP) protocol suite. SNMP enables network(73)to manage network performance, find and sole network problems, and plan for(74). An SNMP-man-aged network consists of three key components: managed devices,(75), and network-management systems.
A．Physical Layer
B．Link Layer
C．Network Layer
D．Transport Layer
第6题：
The Simple Network Management Protocol(SNMP)is an(66)protocol that facilitates the exchange of management information between(67). It is part of the Transmission Control Protocol/Internet Protocol(TCP/IP)protocol suite. SNMP enables network(68)to manage network performance, find and sole network problems, and plan for(69)An SNMP -managed network consists of three key components: managed devices ,(70),and network -management systems .
A．Physical Layer
B．Link Layer
C．Network Layer
D．Transport Layer
第7题：
In the following essay, each blank has four choices. Choose the most suitable one from the four choices and write down in the answer sheet.
The key to SNMP(66)is its simplicity. It has a small command set that does a good job of collecting information from(67)any network device. In a SNMP environment,(68)of the work is handled by the network management system. Devices that are being managed are not(69)with processing(70)that might affect their performance.
A．popularity
B．function
C．efficiency
D．power
第8题：
根据下面的文字资料回答 71～75 题 The Simple Network Management Protocol(SNMP)is an （ 1 ）protocol that facilitates the exchange of management information between （ 2 ）．It is part of the Transmission Control ProtocoL/Internet Protocol(TCP/IP)protocol suite. SNMP enables network（ 3 ）to manage network performance，find and sole network problems，and plan for（ 4 ）．An SNMP managed network consists of three key components：managed devices，（ 5 ），and networkmanagement systems．
第6题：文中（ 1 ）处正确的答案是（ ）。
A．Physical Layer
B．Link Layer
C．Network Layer
D．Transport Layer
简单网络管理协议(SNMP)是一种传输屡的协议，利用它可以在不同的网络设备之间交换管理信息。它是TCP/IP协议簇的一部分。SNMP使网络管理员能够管理网络的性能，发现和解决网络中的问题并为网络网络扩张作规划。一个SNMP管理网络包括三个主要组件：管理设备，代理和网络管理系统。
第9题：
在TCP/IP协议分层结构中，SNMP是在（ 21 ）协议之上的异步请求/响应协议。
A.TCP
B.IP
C.UDP
D.FTTP
第10题：