●在Linux网络配置中，可以通过运行__(51)__命令来设置主机名字；在不使用DNS和NIS进行地址解析时，为保证解析器能找到主机的IP地址，必须将所使用的主机名字写入__(52)__文件中；解析器的功能是__(53)__；Linux中提供名字服务的程序是__(54)__；配置文件“host．conf”的主要作用是规定解析器所使用的__(55)__。
●以下Windows命令中，可以用于验证端系统地址的是__(56)__；可以用于识别分组传送路径的是__(57)__；如果要终止一个ping会话，正确的操作是__(58)__。以下应用中，对网络带宽性能影响最大的应用是__(59)__。OSPF和RIP都是Intemet中的路由协议，与RIP相比，OSPF有许多优点，但__(60)__不是OSPF的优点。
●IPv4地址可以划分为{网络号，主机号}两部分。在下面的地址标记中，用0表示所有比特为0，用-1表示所有比特为1。以下选项中，__(61)__不能作为目标地址，__(62)__不能作为源地址，__(63)__只能用于本机测试，__(64)__只能用于内部网络。IPv6使用了更大的地址空间，每个地址占有128比特，为方便网络管理人员阅读和管理，采用__(65)__进制数加冒号的表示方法。
(61)A．{0，0}
B．{127，主机号}
C．{10，主机号}
D．{网络号，-1}
(62)A．{0，0}
B．(127，主机号}
C．{10，主机号}
D．{网络号，-1}
(63)A．{0，0}
B．{127，主机号}
C．{10，主机号}
D．{192，-1}
(64)A．{0，0}
B．{128，主机号}
C．{10，主机号}
D．{168，-1}
(65)A．十六
D．十
C．八
D．二
● For each blank, choose the best answer from the four choices and write down on the answer sheet.
__(66)__ is a protocol that a host uses to inform a router when it joins Or leaves an Internet multicast group.
__(67)__ is an error detection code that most data communication networks use.
__(68)__ is an interior gateway protocol that uses a distance vector algorithm to propagate routing information.
__(69)__ is a transfer mode in which all types of information are organized into fixed form cells on an asynchronous or non-periodic basis over a range of media.
__(70)__ is an identifier of a web page.
(66)A．ICMP
B．SMTP
C．IGMP
D．ARP
(67)A．4B/SB
B．CRC
C．Manchester Code
D．Huffman Code
(68)A．OSPF
B．RIP
C．RARP
D．BGP
(69)A．ISDN
B．X.25
C．Frame Relay
D．ATM
(70)A．HTTP
B．URL
C．HTML
D．TAG
●In the following essay, each blank has four choices. Choose the best answer and write down on the answer sheet.
Spread spectrum simply means that data is sent in small pieces over a number of the __(71)__ frequencies available for use at any time in the specified range. Devices using __(72)__ spread spectrum (DSSS) communicate by __(73)__ each byte of data into several parts and sending them concurrently on different __(74)__ . DSSS uses a lot of the available __(75)__ , about 22 megahertz (MHz).
(71)A．continuous
B．high
C．low
D．discrete
(72)A．direct-sequence
B．discrete-sequence
C．duplicate-sequence
D．dedicate-sequence
(73)A．splitting
B．combining
C．packing
D．compacting
(74)A．bits
B．frequencies
C．packets
D．messages
(75)A．rate
B．velocity
C．bandwidth
D．period
2004年上半年网络工程师答案
上午答案
(1) |
B |
(16) |
A |
(31) |
A |
(46) |
D |
(61) |
A |
|
(2) |
C |
(17) |
C |
(32) |
D |
(47) |
A |
(62) |
D |
|
(3) |
A |
(18) |
B |
(33) |
C |
(48) |
C |
(63) |
B |
|
(4) |
B |
(19) |
B |
(34) |
D |
(49) |
C |
(64) |
C |
|
(5) |
B |
(20) |
D |
(35) |
B |
(50) |
A |
(65) |
A |
|
(6) |
D |
(21) |
B |
(36) |
A |
(51) |
D |
(66) |
C |
|
(7) |
D |
(22) |
C |
(37) |
D |
(52) |
B |
(67) |
B |
|
(8) |
A |
(23) |
A |
(38) |
A |
(53) |
D |
(68) |
B |
|
(9) |
C |
(24) |
A |
(39) |
B |
(54) |
A |
(69) |
D |
|
(10) |
B |
(25) |
D |
(40) |
C |
(55) |
D |
(70) |
B |
|
(11) |
B |
(26) |
A |
(41) |
A |
(56) |
B |
(71) |
D |
|
(12) |
A |
(27) |
B |
(42) |
B |
(57) |
D |
(72) |
A |
|
(13) |
D |
(28) |
B |
(43) |
B |
(58) |
A |
(73) |
A |
|
(14) |
C |
(29) |
C |
(44) |
D |
(59) |
C |
(74) |
B |
|
(15) |
A |
(30) |
B |
(45) |
C |
(60) |
A |
(75) |
C |
