6.1 Interpret Basic Python Components and Scripts 350-401 Practice Questions (Page 5)

Questions 21–22

1. 21application · medium

   A Python script reads a CSV file containing device inventory data. Each row has columns: 'hostname', 'ip', 'location'. The engineer wants to store this data in a way that allows fast lookup of the IP address by hostname. Which data structure is most appropriate?

   • AA dictionary with hostname as the key and IP as the value.
   • BA list of tuples, each containing (hostname, ip).
   • CA set of hostnames.
   • DA tuple of dictionaries, each containing hostname and ip.
   Reveal Solution Discussion Select an answer first
2. 22application · medium

   A network engineer writes a Python script that uses netmiko to connect to a switch, execute 'show mac address-table', and then parse the output to build a set of unique MAC addresses. The script currently prints the raw output. Which additional code is needed to build the set?

   • Amacs = []; for line in output: macs.append(line.split()[1])
   • Bmacs = {line.split()[1] for line in output.splitlines()}
   • Cmacs = set(output)
   • Dmacs = set(); for line in output.splitlines(): if 'dynamic' in line: macs.add(line.split()[1])
   Reveal Solution Discussion Select an answer first