计算机网络技术作为现代信息社会的核心领域，在英语专业四级考试中常以阅读或听力材料形式出现，旨在测试考生在专业背景下的英语综合应用能力。以下为基于该主题设计的全真模拟试题，帮助考生熟悉题型并提升实战技能。
一、听力理解（共10分）
Section A：短对话（5分）
1. 听短对话，回答问题：What is the main topic of the conversation?
A. Wireless network setup B. Software installation C. Data encryption D. Cloud storage
2. 听短对话，回答问题：What does the man suggest about cybersecurity?
A. Use complex passwords B. Avoid public Wi-Fi C. Update antivirus software D. All of the above
Section B：长篇独白（5分）
听一篇关于5G技术的介绍，并完成填空：
5G networks offer higher , lower latency, and improved connectivity for devices such as smartphones and IoT .
二、阅读理解（共20分）
Passage 1: The Evolution of Computer Networks（10分）
阅读短文，回答问题：
1. What was the primary purpose of ARPANET?
A. Commercial use B. Military communication C. Educational research D. Entertainment
2. According to the passage, how has fiber-optic technology impacted networks?
A. Reduced costs B. Increased speed C. Limited accessibility D. Simplified installation
Passage 2: Cybersecurity Challenges in Modern Networks（10分）
阅读短文，判断正误（True/False）：
- Phishing attacks only target individuals via email. ( )
- Encryption is a key method to protect data during transmission. ( )
三、写作任务（共10分）
题目：Discuss the advantages and disadvantages of remote work enabled by computer networks. Write an essay of about 150 words.
要求：结构清晰，论点明确，使用专业术语如 "bandwidth", "virtual private network (VPN)", "collaboration tools"。
四、翻译部分（共10分）
将以下中文句子翻译成英文：
- 云计算允许用户通过互联网访问共享的计算资源。
- 为了防止数据泄露，企业必须部署强大的防火墙。
参考答案及解析：
- 听力部分：1. A 2. D ; 填空：speed, devices
- 阅读部分：Passage 1: 1. B 2. B ; Passage 2: 1. False 2. True
- 写作示例：Remote work, supported by computer networks, offers flexibility and cost savings but may face issues like network latency and security risks. For instance, VPNs ensure safe data transfer, while insufficient bandwidth can hinder video conferencing.
- 翻译参考：1. Cloud computing allows users to access shared computing resources via the Internet. 2. To prevent data breaches, companies must deploy robust firewalls.
通过本模拟试题，考生可巩固计算机网络技术词汇，并提升英语应用能力。建议结合真题练习，强化时间管理。
