DOC《2003年度网络程序员上午试题》

默认的Web站点存放在__(54)__目录中;

默认的最大并发用户数为255.为了使ApacheWeb服务器的并发用户数扩大到1024,应格 src/include/httpd.h 文件中的HEAD_SERVER_LIMIT参数配置为1024,并重新编译Linux内核,最后还应将 httpd.conf 文件中的__(55)__参数配置为1024. (51)A.NetWare B.Unix C.Windows D.OS/2 (52)A.boot B.root C.supervisor D.administrator (53)A.21 B.23 C.80 D.81 (54)A./etc/httpd B./var/log/httpd C./etc/home D./home/httpd (55)A.MaxClient B.ServerRoot C.ServerCapacity D.ClientCapacity 在以太网的10Base-5标准中,粗同轴电缆的特性阻抗为__(56)__,物理层采用__(57)__编码;

100Base-TX采用的是__(58)__物理拓扑结构,传输介质通常采用__(59)__类双绞线;

100Base-FX采用的传输介质是__(60)__. (56)A.50Ω B.75Ω C.100Ω D.150Ω (57)A.4B/5B B.8B/6T C.Manchester D.差分Manchester (58)A.环型 B.星型 C. 总线型 D.网状 (59)A.3? B.4? C.5 D.8 (60)A.屏蔽双绞线 B.光纤 C.非屏蔽双绞线 D.同轴电缆 在Internet中,IP地址168.147.52.38属于__(61)__地址,该地址的二进制表示是__(62)__.如果IP地址为127.0.0.1,那么它通常表示__(63)__.从IP地址空间划分来看,B类地址最多可包含__(64)__个子网,每个B类网络最多可包含__(65)__个主机地址. (61)A.A类B.B类C.C类D.D类(62)A.10011000.10010011.00110100.00100110 B.10101000.10010100.00110100.00100110 C.10101000.10010011.00110100.00100110 D.10101000.10010011.00110110.00100110 (63)A.实现本机回送功能的地址 B.A类广播地址 C.无效地址 D.B类广播地址 (64) A. 214-2 B. 214-1 C.

214 D.

216 (65) A. 214-2 B.

214 C. 216-2 D.

216 For each blank, choose the best answer from the four choices and write down on the answer sheet. __(66)__ is a channel'

s capacity which directly reflects the data transfer rate of the channel. __(67)__ functions in a NetWare network which is used to define addressing schemes. __(68)__ is a network layer device that supports multiple LAN interfaces and segments LANs into smaller collision and broadcast domains. __(69)__is the popular LAN developed under the direction of the IEEE802.3. __(70)__is a device which enables digital microcomputers to communicate across analog telephone lines. (66) A. The volume B. The bandwidth C. The noise D. The delay (67) A. NetBEUI B. IP C. IPX D. NCP (68) A. The repeater B. The hub C. The bridge D. The router (69) A. Token Ring B. Token Bus C. Ethernet D. FDDI (70) A. The repeater B. The modem C. The hub D. The printer In the following essay, each blank has four choices. Choose the best answer and write down on the answer sheet. Communicating via e-mail is by far the most common Intemet activity. You can __(71)__ with anyone in the world who has an Intemet address or e-mail __(72)__ with a system connection to the Internet. All you need is __ (73)__ the Internet and an e-mail program. Two of the most widely used e-mail programs are Microsoft'

s (74) _ and Netscape'

s Navigator. A typical e-mail message has three basic __(75)__ : header, message, and signature. (71 ) A. connect B. exchange C. communicate D. game (72) A. account B. No. C. user D. administrator (73) A. attach with B. grasp C. possess D. access to (74) A. Yahoo B. Explorer C. Foxmail D. Outlook Express (75) A. packets B. elements C. frames D. cells 200........