4.2 Interpret Basic Scripts Such as Python 350-201 Practice Questions (Page 3)

Questions 11–15

1. 11foundation · easy

   Which Python data type is used to represent a true or false value?

   • AInteger
   • BString
   • CFloat
   • DBoolean
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2. 12application · medium

   A security analyst is reviewing a Python script that categorizes network traffic based on port numbers. The script contains: ```python port = 443 if port == 80: print('HTTP') elif port == 443: print('HTTPS') else: print('Other') ``` What is the output?

   • AOther
   • B443
   • CHTTP
   • DHTTPS
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4. 13application · medium

   A security engineer is running a Python script that parses a list of IP addresses from a file. The script includes the following code: ```python try: with open('ips.txt', 'r') as f: data = f.read() except FileNotFoundError: data = '' ips = data.split('\n') print(len(ips)) ``` If 'ips.txt' does not exist, what is the output?

   • AAn error is raised
   • B1
   • C0
   • DNone
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5. 14application · medium

   A network administrator is troubleshooting a script that reads a configuration file and counts lines containing 'interface'. The script is: ```python with open('config.txt', 'r') as f: lines = f.readlines() count = 0 for line in lines: if 'interface' in line: count += 1 print(count) ``` The file 'config.txt' contains: ``` interface GigabitEthernet0/0 ip address 10.0.0.1 255.255.255.0 interface GigabitEthernet0/1 shutdown ``` What is the output?

   • A2
   • B0
   • C1
   • D4
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6. 15application · medium

   A security engineer is debugging a Python script that appends a timestamp to a log file. The script is: ```python with open('events.log', 'a') as f: f.write('2025-01-01 12:00:00\n') with open('events.log', 'r') as f: lines = f.readlines() print(len(lines)) ``` If 'events.log' already contains 5 lines, what is the output?

   • A6
   • B5
   • C0
   • D1
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