Infer Services for Given Netstat Output F5CAB4 Practice Questions (Page 1)

Questions 1–5

1. 1foundation · medium

   A netstat output shows a TCP connection with local port 443. Which service is most likely running?

   • AHTTP
   • BHTTPS
   • CDNS
   • DSSH
   Reveal Solution Discussion Select an answer first
2. 2foundation · medium

   Which port number is commonly associated with SSH service?

   • A22
   • B25
   • C443
   • D80
   Reveal Solution Discussion Select an answer first
4. 3expert · hard

   A BIG-IP administrator runs `netstat -an` and sees `udp 0 0 0.0.0.0:123 0.0.0.0:*`. Which service is running, and what is a common use case?

   • ADHCP is running, used for IP address assignment.
   • BDNS is running, used for name resolution.
   • CNTP is running, used for time synchronization.
   • DSNMP is running, used for network management.
   Reveal Solution Discussion Select an answer first
5. 4expert · hard

   A BIG-IP administrator is checking for a database service. The netstat output shows `tcp 0 0 0.0.0.0:3306 0.0.0.0:* LISTEN`. Which service is running, and what is a common security concern?

   • AMongoDB is running, and it is exposed on all interfaces.
   • BRedis is running, and it is exposed on all interfaces.
   • CMySQL is running, and it is exposed on all interfaces, which could be a security risk.
   • DPostgreSQL is running, and it is exposed on all interfaces.
   Reveal Solution Discussion Select an answer first
6. 5foundation · medium

   A netstat output shows a TCP socket with local address 0.0.0.0:80 in the LISTEN state. What does this indicate about the HTTP service?

   • AThe service is experiencing high traffic
   • BThe service is down and not accepting connections
   • CThe service is only listening on the loopback interface
   • DThe service is listening on all network interfaces for incoming HTTP connections
   Reveal Solution Discussion Select an answer first