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軟件設計師每日一練試題內容(2021/11/9)
試題1: 循環(huán)鏈表的主要優(yōu)點是( )。
A、不再需要頭指針了
B、已知某個結點的位置后,能很容易找到它的直接前驅結點
C、在進行刪除操作后,能保證鏈表不斷開
D、從表中任一結點出發(fā)都能遍歷整個鏈表
ARP協(xié)議屬于(1)協(xié)議,它的作用是(2)。
(1)A.物理層
B.數(shù)據(jù)鏈路層
C.網(wǎng)絡層
D.傳輸層
(2)A.實現(xiàn)MAC地址與主機名之間的映射
B.實現(xiàn)IP地址與MAC地址之間的變換
C.實現(xiàn)IP地址與端口號之間的映射
D.實現(xiàn)應用進程與物理地址之間的變換
The Rational Unified Process (RUP) is a software engineering process, which captures many of best practices in modern software development. The notions of (1) and scenarios have been proven to be an excellent way to capture function requirements. RUP can be described in two dimensions – time and content. In the time dimension, the software lifecycle is broken into cycles. Each cycle is divided into four consecutive (2) which is concluded with a well-defined (3) and can be further broken down into (4) – a complete development loop resulting in a release of an executable product, a subset of the final product under development, which grows incrementally to become the final system. The content structure refers to the disciplines, which group (5) logically by nature.
(1)A、artifacts
B、use-cases
C、actors
D、workers
(2)A、orientations
B、views
C、aspects
D、phases
(3)A、milestone
B、end-mark
C、measure
D、criteria
(4)A、rounds
B、loops
C、iterations
D、circularities
(5)A、functions
B、workflows
C、actions
D、activities
設系統(tǒng)中有 R 類資源 m 個,現(xiàn)有 n 個進程互斥使用。若每個進程對 R 資源的最大需求為 w,那么當 m、n、w 取下表的值時,對于下表中的 a~e 五種情況,(1)兩種情況可能會發(fā)生死鎖。對于這兩種情況,若將 (2) ,則不會發(fā)生死鎖。
(1)A、a 和 b
B、b 和 c
C、c 和 d
D、c 和 e
(2)A、n 加 1 或 w 加 1
B、m 加 1 或 w 減 1
C、m 減 1 或 w 加 1
D、m 減 1 或 w 減 1
( ) 不屬于軟件配置管理的活動。
A、變更標識
B、變更控制
C、質量控制
D、版本控制
Virtualization is an approach to IT that pools and shares (1) so that utilization is optimized and supplies automatically meet demand. Traditional IT environments are often silos, where both technology and human (2)are aligned around an application or business function. With a virtualized (3) , people, processes, and technology are focused on meeting service levels, ( 4) is allocated dynamically, resources are optimized, and the entire infrastructure is simplified and flexible. We offer a broad spectrum of virtualization (5) that allows customers to choose the most appropriate path and optimization focus for their IT infrastructure resources.
(1)A、advantages
B、resources
C、benefits
D、precedents
(2)A、profits
B、costs
C、resources
D、powers
(3)A、system
B、infrastructure
C、hardware
D、link
(4)A、content
B、position
C、power
D、capacity
(5)A、solutions
B、networks
C、interfaces
D、connections
下圖是一個軟件項目的活動圖,其中頂點表示項目里程碑,連接頂點的邊表示活動,邊的權重表示活動的持續(xù)時間,則里程碑(1)在關鍵路徑上?;顒覩H 的松弛時間是(2)。
(1)A.B
B.E
C.C
D.K
(2)A.0
B.1
C.2
D.3
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