$03$

The device is block oriented

The device performs the operation covice performs the operation slowly

The device might experience livelock

The device might experience deadlock

$13$

Which of the following are properties of leases, as used to handle locking problems? $($Multiple answers are possible.$)$

They rely on synchronized clocks

They can cause correctness problems

They are helpful in providing mutual exclusion for read$-$only resources

They do not permit incremental allocation

They are useful in distributed systems

$23$ Which of the following characteristics are usually used to determine the properties of a particular form of RAlo? $($Multiple answern$)$

Performance

Extensibility

Capacity

Security

Reliability