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網(wǎng)絡(luò)工程師每日一練試題（2026/5/18）

來源：信管網(wǎng) 2026年05月19日【所有評(píng)論】

網(wǎng)絡(luò)工程師當(dāng)天每日一練試題地址：www.wzdaizi.com/exam/ExamDay.aspx?t1=8

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網(wǎng)絡(luò)工程師每日一練試題（2026/5/18）在線測試：www.wzdaizi.com/exam/ExamDay.aspx?t1=8&day=2026/5/18

網(wǎng)絡(luò)工程師每日一練試題內(nèi)容（2026/5/18）

試題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.
A．connecting
B．resolving
C．routing　
D．supernetting
A．secubility
B．reachability
C．capability
D．reliability
A．a(chǎn)nswerless　
B．connectionless
C．confirmless
D．classless
A．prefix
B．suffix　
C．infix　
D．reflex
A．reservation
B．relation
C．a(chǎn)ggregation
D．connection
查看答案
試題參考答案：C、B、D、A、C
試題解析與討論：www.wzdaizi.com/exam/ExamDay.aspx?t1=8&day=2026/5/18
試題2
在Linux操作系統(tǒng)中，主機(jī)名到IP地址的映射包含在( )配置文件中。
A．/etc/networks
B．/etc/hostname
C．/ete/hosts
D．/etc/resolv.conf
查看答案
試題參考答案：C
試題解析與討論：www.wzdaizi.com/exam/ExamDay.aspx?t1=8&day=2026/5/18
試題3

以下關(guān)于黑盒測試的描述，正確的是（）。
A．黑盒測試主要關(guān)注程序并發(fā)處理能力，通過模擬多線程環(huán)境來檢測
B．黑盒測試重點(diǎn)在于檢測程序代碼安全性，查看是否存在漏洞
C．黑盒測試是依據(jù)軟件需求規(guī)格說明書，檢查功能是否符合需求
D．黑盒測試用于評(píng)估代碼復(fù)用率，分析代碼中重復(fù)代碼的占比
查看答案
試題參考答案：C
試題解析與討論：www.wzdaizi.com/exam/ExamDay.aspx?t1=8&day=2026/5/18
試題4
下列關(guān)于RSTP的說法中正確的是( )。
A．交換機(jī)端口處于discarding狀態(tài)即可進(jìn)行流量轉(zhuǎn)發(fā)
B．依靠計(jì)時(shí)器超時(shí)機(jī)制確定根端口和指定端口
C．采用P/A機(jī)制實(shí)現(xiàn)快速收斂
D．優(yōu)先級(jí)數(shù)值大的交換機(jī)會(huì)被選為根橋
查看答案
試題參考答案：C
試題解析與討論：www.wzdaizi.com/exam/ExamDay.aspx?t1=8&day=2026/5/18
試題5
在HDLC協(xié)議中，哪個(gè)字段用于區(qū)分不同類型的幀，如信息幀、監(jiān)控幀和無編號(hào)幀？
A．標(biāo)志
B．地址
C．控制
D．?dāng)?shù)據(jù)
查看答案
試題參考答案：C
試題解析與討論：www.wzdaizi.com/exam/ExamDay.aspx?t1=8&day=2026/5/18
試題6
在( )校驗(yàn)方法中，采用模2運(yùn)算來構(gòu)造校驗(yàn)位。
A、水平奇偶
B、垂直奇偶
C、海明碼
D、循環(huán)冗余
查看答案
試題參考答案：D
試題解析與討論：www.wzdaizi.com/exam/ExamDay.aspx?t1=8&day=2026/5/18
試題7
下列IP地址( )不屬于子網(wǎng)172.16.24.0/21
A．172.16.30.4
B．172.16.32.56
C．172.16.28.12
D．172.16.26.251
查看答案
試題參考答案：B
試題解析與討論：www.wzdaizi.com/exam/ExamDay.aspx?t1=8&day=2026/5/18
試題8
以下關(guān)于第二代移動(dòng)通信系統(tǒng)的說法，正確的是（）。
A． GSM采用碼分多址技術(shù)，工作在900 - 1800MHz頻段
B． CDMA系統(tǒng)工作在800MHz頻段，頻率利用率低
C． 2.5G系統(tǒng)中的GPRS基于分組交換技術(shù)，按連接時(shí)間計(jì)費(fèi)
D． GSM系統(tǒng)中每一個(gè)信道采用TDMA方式可支持8個(gè)用戶會(huì)話
查看答案
試題參考答案：D
試題解析與討論：www.wzdaizi.com/exam/ExamDay.aspx?t1=8&day=2026/5/18
試題9
下列Linux命令中，適合查看較大文件的是（）。
A．tail
B．cat
C．head
D．less
查看答案
試題參考答案：D
試題解析與討論：www.wzdaizi.com/exam/ExamDay.aspx?t1=8&day=2026/5/18
試題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.
(1) A． local
B． private
C． public
D． dynamic
(2) A． political
B． fairness
C． efficiency
D． security
(3) A．MAC
B． IP
C．TCP
D． UDP
(4) A． IPv4
B． IPv6
C． MAC
D． logical
(5) A． BGP
B． IGMP
C． ICMP
D． SNMP
查看答案
試題參考答案：C、D、B、A、C
試題解析與討論：www.wzdaizi.com/exam/ExamDay.aspx?t1=8&day=2026/5/18

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