30 Questions
Which of the following best describes the purpose of network vulnerability scanning?
To identify mistakes in an organization's network
What is the main function of a network vulnerability scanner?
To confirm the existence of a vulnerability
What is the role of the Shodan search engine?
To catalog scan results of internet-connected devices
Why are network vulnerability scans of interest to both organizations and attackers?
To find potential victims for attackers
What does the Shodan search engine claim to be?
A search engine for internet-connected devices
How can network vulnerability scans be used to remediate vulnerabilities?
By identifying mistakes in an organization's network
What type of records does the Shodan search engine store?
Records of collected scan results
What is the purpose of running periodic network vulnerability scans?
To identify mistakes in an organization's network
What action does a network vulnerability scanner take if an application is running an outdated version with a known vulnerability?
It confirms the existence of the vulnerability
What is the significance of the Shodan search engine for security researchers?
To access a vast catalogue of scan results
Which technique is an essential part of network administration and network analysis at organizations?
Technical scanning
What does a ping test involve?
Sending an ICMP packet to a target machine
What does a ping test indicate if the target machine replies with an echo reply packet?
The target machine is active and switched on
What is the purpose of technical scanning during the reconnaissance stage of an attack?
To collect information about the technical configuration
What information does a ping test provide?
The status of a machine
What is the outbound packet called in a ping test?
Echo request packet
What is a packet?
A small amount of formatted data
What does the "time to live" (TTL) property indicate in a packet?
How far into a network the machine is located
Which technique is commonly used by organizations to debug networking issues?
Ping test
What details about a target machine can be obtained through technical scanning?
Services running on the machine, operating system in use, vulnerabilities of services
Which of the following statements is true about the 'time to live' (TTL) in a packet?
The TTL is decreased by one at each router it passes through.
What can be determined by performing a traceroute between two computers?
The number of devices on a network.
Which command can be used to start a ping test on Windows machines?
ping target_name
What is the purpose of port scanning?
To identify open ports on a target machine.
Which of the following is true about "well known" ports?
They are the first 1,024 ports in the TCP protocol.
What is the main purpose of vulnerability scanning?
To determine if a vulnerability exists on a target system.
Which method of vulnerability scanning involves comparing software version numbers against a database?
Database scanning
What is the potential risk of dynamic scanning in vulnerability scanning?
It may perform illegal actions in certain countries.
Which statement is true about a network vulnerability scan?
It requires the owner's consent before scanning a target.
Which protocol is commonly used for web-based applications?
HTTP
Test your knowledge on network routing and packet forwarding with this quiz! Learn about time to live (TTL) values and how they decrease as packets traverse routers. Discover how this feature can be used in scanning techniques. Explore ping tests and their role in identifying machine responsiveness.
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