4.2 Interpret Basic Scripts Such as Python 350-201 Practice Questions (Page 1)

Questions 1–5

1. 1foundation · easy

   Which Python statement is used to execute a block of code repeatedly as long as a condition is true?

   • Awhile
   • Belse
   • Cdef
   • Dif
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2. 2application · medium

   A network engineer is reviewing a Python script that processes a list of interface statuses. The script contains the following code: ```python interfaces = ['up', 'down', 'up', 'up', 'down'] count = 0 for status in interfaces: if status == 'up': count += 1 print(count) ``` What is the output of this script?

   • A3
   • B2
   • C0
   • D5
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4. 3application · medium

   A network administrator is debugging a Python script that writes device names to a log file. The script is: ```python with open('devices.log', 'w') as f: f.write('Router1\n') f.write('Switch1\n') with open('devices.log', 'r') as f: content = f.read() print(content) ``` What is the output?

   • ARouter1 Switch1
   • BAn error occurs
   • CRouter1Switch1
   • DRouter1
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5. 4expert · medium

   A security engineer is debugging a Python script that reads a CSV file containing firewall rules. The script is: ```python with open('rules.csv', 'r') as f: lines = f.readlines() for line in lines: parts = line.strip().split(',') if len(parts) >= 3: print(parts[0]) ``` If 'rules.csv' contains: ``` rule1,allow,tcp rule2,deny,udp rule3,allow ``` What is the output?

   • Arule1 rule2 rule3
   • Brule1 rule2 rule3
   • Crule1
   • Drule1 rule2
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6. 5foundation · easy

   What is the purpose of the `import` statement in a Python script?

   • ATo load a module and make its functions and variables available.
   • BTo define a new function.
   • CTo create a new variable.
   • DTo exit the script.
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