2026年05月19日来源:信管网 作者:cnitpm
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网络工程师每日一练试题内容(2026/5/18)
试题1
The Border Gateway Protocol(BGP) is an interautonomous system (1) protocol. The primary function of a BGP speaking system is to exchange network (2) information with other BGP system. This network reachability information includes information on the list of Autonomous System(ASs) that reachability information traverses. BGP-4 provides a new set of mechanisms for supporting (3) interdomain routing. These mechanisms include support for advertising an IP (4) and eliminate the concept of network class within BGP. BGP-4 also introduces mechanisms that allow aggregation of routes, including (5) of AS paths. These changes provide support for the proposed supernetting scheme.查看答案
试题参考答案:C、B、D、A、C
试题2
在Linux操作系统中,主机名到IP地址的映射包含在( )配置文件中。查看答案
试题参考答案:C
试题3
以下关于黑盒测试的描述,正确的是( )。
A. 黑盒测试主要关注程序并发处理能力,通过模拟多线程环境来检测
B. 黑盒测试重点在于检测程序代码安全性,查看是否存在漏洞
C. 黑盒测试是依据软件需求规格说明书,检查功能是否符合需求
D. 黑盒测试用于评估代码复用率,分析代码中重复代码的占比
查看答案
试题参考答案:C
试题4
下列关于RSTP的说法中正确的是( )。查看答案
试题参考答案:C
试题5
在HDLC协议中,哪个字段用于区分不同类型的帧,如信息帧、监控帧和无编号帧?查看答案
试题参考答案:C
试题6
在( )校验方法中,采用模2运算来构造校验位。查看答案
试题参考答案:D
试题7
下列IP地址( )不属于子网172.16.24.0/21查看答案
试题参考答案:B
试题8
以下关于第二代移动通信系统的说法,正确的是( )。查看答案
试题参考答案:D
试题9
下列Linux命令中,适合查看较大文件的是( )。查看答案
试题参考答案:D
试题10
Network Addrees Translation(NAT) is an Internet standard that enables a local-area network to use one set of IP addresses for internet traffic and another set of ( ) IP addresses for external traffic. The main use of NAT is to limit the number of public IP addresses that an organization or company must use, for both economy and ( ) purposes. NAT remaps an IP address space into another by modifying network address information in the ( ) header of packets while they are in transit across a traffic routing device. It has become an essential tool in conserving global address space in the face of ( ) address exhaustion. When a packet traverses outside the local network, NAT converts the private IP address to a public IP address. If NAT runs out of public addresses,the packets will be dropped and ( )"host unreachable"packets will be sent.查看答案
试题参考答案:C、D、B、A、C
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