Which of the following well-known service ports/services do not have to be disabled, because they do not serve as a security risk if left open?

You are the Administrator in charge of the Certkiller servers and are in the process of configuring a external SCSI backplane which will be equipped with external SCSI drives, you want to know from the new Certkiller trainee how much external devices can SCSI-2 handle?

You are the Administrator in charge of the Certkiller servers and are in the process of configuring a tape backup using Travan cartridges and the new Certkiller trainee wants to know how much storage space would you have if you use the Travan TR-2 specification in native mode?

You are the Administrator in charge of the Certkiller servers and are in the process of configuring a external SCSI backplane which will be equipped with external SCSI drives, you want to know from the new Certkiller trainee how much external devices can SCSI-3 handle?

You are the Administrator in charge of the Certkiller servers and are in the process of configuring a tape backup using Travan cartridges and the new Certkiller trainee wants to know how much storage space would you have if you use the Travan TR-3 specification in native mode?

You are the Administrator in charge of the Certkiller servers and are in the process of configuring a external backplane which will be equipped with fibre channel technology, you want to know from the new Certkiller trainee how the fibre channel devices are connected using which connector?

You are the Administrator in charge of the Certkiller servers and are in the process of configuring a tape backup using Travan cartridges and the new Certkiller trainee wants to know how much storage space would you have if you use the Travan TR-4 specification in native mode?

You are the Administrator in charge of the Certkiller servers and are in the process of configuring a external backplane which will be equipped with fibre channel technology, you want to know from the new Certkiller trainee what the distance between fibre channel devices can be when using copper DB9 connectors?

You are the Administrator in charge of the Certkiller servers and are in the process of configuring a tape backup using Travan cartridges and the new Certkiller trainee wants to know how much storage space would you have if you use the Travan TR-5 specification in native mode?

You are the Administrator in charge of the Certkiller servers and are in the process of configuring a external backplane which will be equipped with fibre channel technology, you want to know from the new Certkiller trainee what the distance between fibre channel devices can be when using optical connectors?