网络工程师每日一练试题（2025/4/24）

2025年04月25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（2025/4/24）

试题1
在Linux操作系统中，要在指走文件中查找目标文字可以用()命令。
A．grep
B．find
C．search
D．wget
查看答案
试题参考答案：A
试题解析与讨论：www.cnitpm.com/exam/ExamDay.aspx?t1=8&day=2025/4/24
试题2
对于需要在Linux环境下实现高效文件共享的服务，（）存储方式更为合适
A． DAS
B． NAS
C． IP-SAN
D． FC-SAN
查看答案
试题参考答案：B
试题解析与讨论：www.cnitpm.com/exam/ExamDay.aspx?t1=8&day=2025/4/24
试题3

要进入以太网端口配置模式，下面的路由器命令中，哪一条是正确的？（）。
A、R1(config)# interface e0
B、R1> interface e0
C、R1> line e0
D、R1(config)# line s0
查看答案
试题参考答案：A
试题解析与讨论：www.cnitpm.com/exam/ExamDay.aspx?t1=8&day=2025/4/24
试题4

匿名 FTP 访问通常使用（）作为用户名。
A、guest
B、email 地址
C、anonymous
D、主机 id
查看答案
试题参考答案：C
试题解析与讨论：www.cnitpm.com/exam/ExamDay.aspx?t1=8&day=2025/4/24
试题5

EIA/TIA-568标准规定，在综合布线时，如果信息插座到网卡之间使用无屏蔽双绞线，布线距离最大为（）米。
A、10
B、30
C、50
D、100
查看答案
试题参考答案：A
试题解析与讨论：www.cnitpm.com/exam/ExamDay.aspx?t1=8&day=2025/4/24
试题6

Linux系统中，　（）　服务的作用与Windows的共享文件服务作用相似，提供基于网络的共享文件/打印服务。
A、Samba
B、Ftp
C、SMTP
D、Telnet
查看答案
试题参考答案：A
试题解析与讨论：www.cnitpm.com/exam/ExamDay.aspx?t1=8&day=2025/4/24
试题7
Network security consists of policies and practices to prevent and monitor (1) access,misuse, modification, or denial of a computer network and network-accessible resources.Network security involves the authorization of access to data in a network, which is controlled by the network（2).Users choose or are assigned an ID and password or other authenticating information that allows them to access to information and programs within their authority.Network security secures the network, as well as protecting and overseeing operations being done. The most common and simple way of protecting a network resource is by assigning it a (3) name and a corresponding password. Network security starts with authentication. Once authenticated,a（4）enforces access policies such as what services are allowed to be accessed by the network users.Though effective to prevent unauthorized access, this component may fail to check potentially harmful content such as computer(5)or Trojans being transmitted over the network.
(1) A、unauthorized
B、harmful
C、dangerous
D、frequent
(2) A、user
B、agent
C、server
D、administrator
(3) A、complex
B、unique
C、catchy
D、long
(4) A、firewall
B、proxy
C、gateway
D、host
(5) A、spams
B、malwares
C、worms
D、programs
查看答案
试题参考答案：A、D、B、A、C
试题解析与讨论：www.cnitpm.com/exam/ExamDay.aspx?t1=8&day=2025/4/24
试题8
If two communicating entities are in different hosts connected by a network，there is a risk that PDUs will not arrive inthe order inwhich theywere sent ， becausethey may traverse(70)paths through the network. If each PDUs is given a uniquenumber，andnumbersareassigned(71)，thenit isa logicallysimpletaskforthereceivingentityto reorder(72 )PDUsonthebasisofsequence number.Aproblem with this scheme is that，with a(73)sequence number field， sequence number will repeat.Evidently ， the maximumsequence numbermustbe(74)thanthemaximumnumber ofPDUsthatcouldbe outstandingat anytime.
（70）A.same
B.different
C.single
D.Unique
（71）A.randomly
B.equally
C. uniformly
D. Sequentially
（72）A.received
B.sent
C.transmitting
D.Forwarding
（73）A.various
B.diverse
C.finite
D.infinite
（74）A.smaller
B.greater
C.less
D.More
查看答案
试题参考答案：B、D、A、C、B
试题解析与讨论：www.cnitpm.com/exam/ExamDay.aspx?t1=8&day=2025/4/24
试题9
IPv4的D类地址是组播地址， 224.0.0.1表示（）构成的组播组。
A.DHCP服务器
B.RIPv2路由器
C.本地子网中的所有主机
D.OSPF路由器
查看答案
试题参考答案：C
试题解析与讨论：www.cnitpm.com/exam/ExamDay.aspx?t1=8&day=2025/4/24
试题10

SMTP协议用于（）电子邮件。
A．接收
B．发送
C．丢弃
D．阻挡

查看答案
试题参考答案：B
试题解析与讨论：www.cnitpm.com/exam/ExamDay.aspx?t1=8&day=2025/4/24

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