Microsoft Networking Essentials Exam Network Security & Troubleshooting 1 — Questions and Answers
Question 1: Which command-line tool is used to display the IP routing table on a Windows computer?
- ipconfig
- netstat
- route print (Correct answer)
- tracert
Correct answer: route print
The 'route print' command on Windows displays the IP routing table, showing all known network routes and their associated metrics.
Question 2: What type of attack floods a network with traffic to make resources unavailable to legitimate users?
- Man-in-the-middle attack
- Phishing attack
- Denial of Service (DoS) attack (Correct answer)
- SQL injection attack
Correct answer: Denial of Service (DoS) attack
A Denial of Service (DoS) attack overwhelms a network, server, or service with excessive traffic, preventing legitimate users from accessing resources.
Question 3: Which Windows command displays current network connections, listening ports, and protocol statistics?
- ping
- ipconfig
- netstat (Correct answer)
- nslookup
Correct answer: netstat
The 'netstat' command displays active network connections, listening ports, routing tables, and network protocol statistics on a Windows system.
Question 4: What is the purpose of a firewall in network security?
- Assign IP addresses to devices
- Monitor and control incoming and outgoing network traffic based on security rules (Correct answer)
- Encrypt all network communications
- Speed up network traffic
Correct answer: Monitor and control incoming and outgoing network traffic based on security rules
A firewall monitors and controls network traffic based on predetermined security rules, acting as a barrier between trusted internal networks and untrusted external networks.
Question 5: What does the 'ipconfig /release' command do on a Windows computer?
- Renews the DHCP lease
- Releases the current DHCP-assigned IP address (Correct answer)
- Flushes the DNS cache
- Displays the current IP configuration
Correct answer: Releases the current DHCP-assigned IP address
The 'ipconfig /release' command releases the current DHCP-assigned IP address, removing the IP configuration from the network adapter.
Question 6: Which security protocol is used to authenticate users on a network using a centralized server?
- WEP
- WPA2
- RADIUS (Correct answer)
- SSL
Correct answer: RADIUS
RADIUS (Remote Authentication Dial-In User Service) provides centralized authentication, authorization, and accounting for users connecting to a network.
Which command-line tool is used to display the IP routing table on a Windows computer?