题目内容
在IP数据报报头中有两个有关长度的字段，一个为报头长度字段，一个为总长度字段。其中，______。
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Client: Could you please break the dollar into quarters I need the coins for the telephone stand. Bank Clerk: ______
W: Why are you interested in our companyM: Your company is world famous. So, I think there will be better chances for personal development.W: You’re right. Do you think you have the qualifications for this jobM: Sure. My qualifications meet your job description.W: But you have no experience for this job.M: That’s sure. But I am eager to learn, and also quick at learning.W: Since you need further training, are you familiar with training salaryM: No. What is the monthly salaryW: 800 Yuan per month.M: Do you mind if I give an answer tomorrowW: Not at all. What is the most probable relationship between the two speakers（）
OSI模型的______具有桥接功能。
A …………………… Networked computer stations; dial-in access B …………………… Campus-wide area network C …………………… Computers and a laser printer in each classroom D …………………… Private directories for all students and staff E …………………… Mail for staff and students F …………………… Interactive distance learning stations G …………………… Instructional media center H …………………… Student stations I …………………… Resources accessible campus-wide via fiber optic network J …………………… On-line research services K …………………… Student-run stereo radio station L …………………… Telephone in every classroom M …………………… Voice mail for all staff N …………………… Electronic Bulletin Board available around the clock O …………………… T-Internet Access ( )计算机网站；拨号上网 ( )学生网站
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