若想检索的结果中同时包含computer和network而不包含network，则可用computer and network作为关键词搜索。（)

A.A.What type of attack is causing the system to slow down？()

B.B.A spoofing attack

C.C.A root kit installed on the system

D.D.A denial-of-service attack

E.E.A man-in-the-middle attack

A.A. computer network, TV stations, drumbeats, chopsticks

B.B. smoke signals, pigeons, peacocks, mobile phones, emails …

C.C. gestures, TV, email, fire, horns, flags, animals …

D.D. shouting to each other, printing, telegraph, radio, internet …

A.A.Ceph有Public Network和Cluster Network两种网络

B.B.Public Network是用于客户端访问ceph集群

C.C.Cluster Network是用于Monitor和Monitor之间通信

D.D.Public Network和Cluster Network网段规划可以分离，也可以重叠

A.A.Attach request

B.B.Attach accept

C.C.RRC connection request

D.D.UE Cap enquiny

A.逻辑“与”：AANDB，表示检索结果中必须出现所有的检索词

B.逻辑“或”：AORB，表示检索结果至少出现任一检索词

C.逻辑“非”：ANOTB，表示检索结果中不应该出现包含某一检索词的文章

D.逻辑“或”能提高检索结果的查准率

E.布尔检索法是使用面最广、使用频率最高的检索技术

A.A. 小

B.B. 大

C.C. 一样

D.D. 相近

A.A.where exists the network

B.B.the existing network

C.C.the network's existence

D.D.exists the network

A.A.Area Network

B.B.Local Network

C.C.Local A’network

D.D.Local Internet