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 backplane which will be equipped with fibre channel technology, you want to know from the new Certkiller trainee which of the following fibre channel cables can be used for simultaneous, bidirectional data transfers which permit devices to simultaneously send and receive data?

You are the Administrator in charge of the Certkiller servers and are in the process of configuring a tape backup using QIC cartridges and the new Certkiller trainee wants to know how much data could be backed up when using the QIC-80 specification with 0.315-inch?

You are the Administrator in charge of the Certkiller servers and are in the process of configuring a tape backup using QIC cartridges and the new Certkiller trainee wants to know how much data could be backed up when using the QIC-80 specification with 0.25-inch?

You are the Administrator in charge of the Certkiller servers and are in the process of configuring a tape backup using QIC cartridges and the new Certkiller trainee wants to know how much data could be backed up when using the QIC-80 specification with long tape?

You are the Administrator in charge of the Certkiller servers and are in the process of configuring a tape backup using QIC cartridges and the new Certkiller trainee wants to know how many tracks are present when using the QIC-80 specification?

You are the Administrator in charge of the Certkiller servers and are in the process of configuring a tape backup using QIC cartridges and the new Certkiller trainee wants to know how much data could be backed up when using the QIC-3020 specification with 0.315-inch?

You are the Administrator in charge of the Certkiller servers and are in the process of configuring a tape backup using QIC cartridges and the new Certkiller trainee wants to know how much data could be backed up when using the QIC-3020 specification with 0.25-inch?

You are the Administrator in charge of the Certkiller servers and are in the process of configuring a tape backup using QIC cartridges and the new Certkiller trainee wants to know how many tracks are present when using the QIC-3020 specification?

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-1 handle?