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【简答题】
168.1.0/24 使用掩码 255.255.255.240 划分子网,其可用子网数为( ),每个子网内可用主机地址数为( ) A. 14 14 B. 16 14 C. 254 6 D. 14 62 2. 子网掩码为 255.255.0.0 ,下列哪个 IP 地址不在同一网段中() A. 172.25.15.201 B. 172.25.16.15 C. 172.16.25.16 D. 172.25.201.15 3. B 类地址子网掩码为 255.255.255.248 ,则每个子网内可用主机地址数为( ) A. 10 B. 8 C. 6 D. 4 4. 对于 C 类 IP 地址,子网掩码为 255.255.255.248 ,则能提供子网数为( ) A. 16 B. 32 C. 30 D. 128 5. 三个网段 192.168.1.0/24 , 192.168.2.0/24 , 192.168.3.0/24 能够汇聚成下面哪个网段( ) A. 192.168.1.0/22 B. 192.168.2.0/22 C. 192.168.3.0/22 D. 192.168.0.0/22
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【多选题】Why is the student interested in the professor's class?
A.
He wants to learn about his family background.
B.
He already has the language skills needed for the class.
C.
The professor has a reputation as an expert on Poland.
D.
The course is related to the student's intended course of study.
【简答题】英译汉 Accurate, legible notes are invaluable to the student who is enrolled in a lecture course. Notes should be taken during lectures, and when the student is reading the texts prior to each sessi...
【简答题】下图中控制电路是如何实现两台电动机的顺序停止的？
【单选题】The student needed a letter of _______ to apply for the post of secretary.
A.
invitation
B.
recommendation
C.
register
D.
inquiry
【单选题】The nursing instructor asks a nursing student to identify the priorities of care for an assigned client. Which statement indicates that the student correctly identifies the priority client needs?
A.
Actual or life-threatening concerns are the priority.
B.
Completing care in a reasonable time frame is the priority.
C.
Time constraints related to the client’s needs are the priority.
D.
Obtaining needed supplies to care for the client is the priority.
【单选题】• Don't openly express annoyance at a professor or class. ___5___ When a student attacks a professor on the social media, the language used actually says more about the student. If there is truly a co...
A.
That's what they are for.
B.
Turn to an online instructor for help.
C.
If more information is needed, they will ask.
D.
Remember that online professors get a lot of emails.
E.
Below are some common do's and don' ts for online learners.
F.
Everyone has taken a not-so-great class at one time or another.
G.
Ask questions, but make sure they are good, thoughtful questions.
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