单选题Several @functions can execute multiple statements. Which one of the following initializes a variable and can increment in during the operation?（）A@do B@for C@while D@dowhile

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单选题

Several @functions can execute multiple statements. Which one of the following initializes a variable and can increment in during the operation?（）

@do

@for

@while

@dowhile

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相似问题和答案

第1题：

______ is a contiguous, numbered set of variables of a given base type, which can be used and passed to functions as a unit.

A．Record

B．Array

C．File

D．Parameter

正确答案：B
解析：译文的含义是：()是给定了基类型的连续编号的变量集合，它能够作为参数传递给函数使用。A、B、C、D各选项的意思分别是：记录、数组、文件、参数。所以，根据题目的描述，应该选择数组。

第2题：

Which of the following characteristics applies only to OSPFv3 and not to OSPFv2？（）

A、Several processes can exist simultaneously
B、Requires direct connectivity from the backbone area to all other areas
C、Has the same packet types
D、Can support multiple subnets on a single link
E、Uses a hierarchical structure divided into areas
F、Adjacencies formed with neighbors

正确答案:D

第3题：

Array is a contiguous，numbered set of variables of a given base type，which can be used and passed to functions as a(67)．

A．record

B．unit

C．file

D．parameter

正确答案：B
解析：数组是一个由给定基本类型的变量组成的连续有序的集合，它可以作为一个单元使用或者传给某个函数。

第4题：

Which statement about windows and blocks is true?（）

A、Transaction management is block-oriented rather than window-oriented.
B、Forms automatically navigates to an item located in an activated window.
C、A window may contain multiple blocks, but each block can only span one window.
D、A window can contain multiple canvases, and an item can be located on multiple canvases.

正确答案:A

第5题：

Which three statements about subqueries are true?（）

A、A single row subquery can retrieve only one column and one row.
B、A single row subquery can retrieve only one row but many columns.
C、A multiple row subquery can retrieve multiple rows and multiple columns.
D、A multiple row subquery can be compared by using the “>” operator.
E、A single row subquery can use the IN operator.
F、A multiple row subquery can use the “=” operator.

正确答案:B,C,E

第6题：

Which two statements are true about hierarchical architecture? ()(Choose two.)

A. You can assign a logical interface to multiple zones.

B. You cannot assign a logical interface to multiple zones.

C. You can assign a logical interface to multiple routing instances.

D. You cannot assign a logical interface to multiple routing instances.

参考答案：B, D

第7题：

Which three functions can CCC be used for？（）

A、To interconnect VLANS
B、To interconnect ATM VCs
C、To interconnect MPLS LSPs
D、To interconnect MPLS VPNs

正确答案:A,B,C

第8题：

In C language, there are several methods of communicating data between functions, one of which is by(51)。

A．arguments

B．variables

C．messages

D．constants

正确答案：A
解析：C语言中，函数间数据通信的方法有很多种，其中一种是使用参数。另外还有公用变量、堆栈、共享缓冲区等方法。

第9题：

Several @functions can execute multiple statements. Which one of the following initializes a variable and can increment in during the operation?（）

A、 @do
B、 @for
C、 @while
D、 @dowhile

正确答案:B

第10题：

Which two functions can be provided by an Integrated Services Router （ISR） in a VoIP network？（）

A、 ISR can perform the functions of a multipoint control unit to facilitate voice conferencing.
B、 ISR can perform the function of a call agent in the event of loss of communication with a CallManager.
C、 ISR can provide XML applications to the phones.
D、 ISR can provide all of the functionality of a CallManager in the event of loss ofcommunication to the CallManager.
E、 ISR can act as a voice gateway to the PSTN.

正确答案:B,E

Several @functions can execute multiple statements. Which on

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