FREE GCIA Network Protocols and Traffic Analysis Questions and Answers
Which of the following tools is commonly used to perform network traffic analysis and generate network flow statistics?
NetFlow is a network protocol developed by Cisco for collecting and analyzing network traffic flow data. It helps in generating statistics and understanding network behavior.
What does a TCP SYN scan primarily detect?
A TCP SYN scan is used to detect open ports on a target system by sending SYN packets. It helps in identifying which ports are open and accepting connections.
Which of the following protocols is primarily used for secure web traffic?
HTTPS (Hypertext Transfer Protocol Secure) is the secure version of HTTP. It uses encryption (SSL/TLS) to secure data transmitted over the web, protecting it from eavesdropping and tampering.
In the context of network traffic analysis, what is the purpose of a protocol analyzer (such as Wireshark)?
A protocol analyzer (e.g., Wireshark) captures network packets and provides detailed information about them, allowing analysts to examine network traffic and diagnose issues.
Which field in the IP header indicates the length of the packet?
The Total Length field in the IP header specifies the entire length of the IP packet, including both the header and the data.