阅读下列说明和图，回答问题1至问题3，将解答填入答题纸的对应栏内。【说明】某大型匹萨加工和销售商

A.relatively

B./

C.only

D. more than

A.multiple objectives

B.different objectives

C.a single objective

D.Independent objectives

Teams are required for most engineering projects. Although some small hardware or

software products can be developed by individuals. the scale and complexity of modern

systems is such. and the demand for short schedules so great that it is no longer（71 ）for

one person to do most engineering jobs. Systems development is a team (72),and the

effectiveness of the team largely determines the (73) of the engineering

Development teams often behave much like baseball or basketball teams. Even though

they may have multiple specialties. all the members work toward (74) However. onsystems maintenance and enhancement teams. the engineers often work relatively independently. much like wrestling and track teams

A team is（75） just a group of people who happen to work together. Teamwork

takes practice and it involves special skilis. Teams require common processes; they need

agreed-upon goals; and they need effective guidance and leadership. The methods for guiding

and leading such teams are well known but they are not obvious

A.convenient

B.existing

C.practical

D.real

分配给某公司网络的地址块是210.115.192.0/20，该网络可以被划分为(70)个C 类子网。

A.4

B.8

C.16

D.32

DHCP客户端可从DHCP服务器获得(69)。

A.DHCP服务器的地址和Web服务器的地址

B.DNS服务器的地址和DHCP服务器的地址

C.客户端地址和邮件服务器地址

D.默认网关的地址和邮件服务器地址

ICMP协议属于因特网中的(67)协议，ICMP协议数据单元封装在(68)中传送。

A.数据链路层

B.网络层

C.传输层

D.会话层

PPP中的安全认证协议是 (66)它使用三次握手的会话过程传送密文

A.MD5

B.PAP

C.CHAP

D.HASH

A.110001001101

B.001110110011

C.101000010100

D.010111101011

(64) 。若采用Huffman编码，则字符序列“face”的编码应为 (65) 。

A.2

B.3

C.4

D.5

保证这两个元素在排序前后的相对位置不变。

A.直接插入排序和简单选择排序都可以

B.直接插入排序和简单选择排序都不能

C.只有直接插入排序可以

D.只有简单选择排序可以