CT320 IQ 05

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Password Recovery

You receive an email request from your boss, Dory, who has forgotten her Linux login password. She’s asking for the password.

1. Go ahead and tell her what the password is.
2. Go ahead, but make sure it’s really Dory who’s asking.
3. Only do this with a request from law enforcement
4. Sorry, this can’t be done.

Salt

What good is salt for a password?

1. The salt makes it harder to prepare hashed dictionaries.
2. It effectively makes the password longer.
3. Salting a password, like salting meat, makes it last longer.

RAID

Consider two disks, each 2TB, connected together as RAID 1. What is the effective capacity?

1. 1TB
2. 2TB
3. 4TB
4. One million GB

Performance

I want to read a 100GB contiguously-allocated file. What parameter has the most effect on how long this takes?

1. Seek Time
2. Rotational Delay
3. Throughput
4. MTBF

Logical Volumes

In order of smallest to largest:

1. LVG, LV, PV
2. PV, LVG, LV
3. PV, LV, LVG
4. LVG, PV, LV
5. LV, PV, LVG
6. LV, LVG, PV