11. ASN.1所定義的SNMP對(duì)象類型中，屬于構(gòu)造類型的是

A.INTEGER                                                    B.OCTET STRING

C.OBJECT IDENTIFIER                                  D.SEQUENCE（OF）

12. 得到IETF認(rèn)可但缺乏安全和高層管理功能的SNMPv2標(biāo)準(zhǔn)是

A.SMP                                                            B.SNMPv2c

C.SNMPv2u                                                    D.SNMPv2*

13. SNMP v1操作中，代理用于向管理站報(bào)告管理對(duì)象的狀態(tài)變化的命令是

A. Get                                                             B. Set

C. Trap                                                           D. Report

14. SNMP請(qǐng)求報(bào)文由管理站發(fā)出，代理以GetResponse響應(yīng)，應(yīng)答報(bào)文必須與請(qǐng)求報(bào)文具有相同的

A.PDU類型                                                     B.請(qǐng)求標(biāo)識(shí)

C.錯(cuò)誤索引                                                     D.響應(yīng)標(biāo)識(shí)

15. SNMPv1支持的管理操作種類的數(shù)目是

A.3                                                                 B.4

C.5                                                                 D. 6

16. 在SNMP功能組中，可以由管理站設(shè)置的對(duì)象是

A. snmpInPkts                                                 B. snmpOutPkts

C. snmpInGetNexts                                          D. snmpEnableAuthenTraps

17. 通常輪詢頻率與網(wǎng)絡(luò)的規(guī)模和代理的多少有關(guān)，假設(shè)被輪詢的代理數(shù)為N，輪詢間隔為T，單個(gè)輪詢需要的時(shí)間為△，則下面公式正確的是

A. N≧△/ T                                                    B. N≦△/ T

C. N≧T/△                                                     D. N≦T/△

18. SNMPv2的報(bào)文中，其版本號(hào)取值為

A. 0                                                                B. 1

C. 2                                                                D. 3

19. 在RMON規(guī)范中新增加的兩種數(shù)據(jù)類型是

A. DisplayString和EntryStatus                          B. Counter64和DisplayString

C. Unsigned32和Counter64                              D. Unsigned32和EntryStatus

20. 以下屬于在RMON MIB基礎(chǔ)上新增加的RMON2功能組是

A.警報(bào)組                                                         B.事件組

C.協(xié)議目錄                                                     D.捕獲組