Exam 14: System Administration

A(n) ____________________ detects incoming power surges and diverts them to ground in nanoseconds.

The simplest firewall type is a(n) ____ firewall, which examines each packet and matches header content to a list of allowed or denied packet types.

A(n) ____ tracks the progress of complex client/server interactions.

​List the three broad categories in which a typical information system (IS) administrator's tasks may be grouped.

Electrical fires often generate heat and smoke as quickly as conventional fires do.

Excessive heat can cause intermittent or total failure of electrical circuits, so all computer equipment needs some means of heat ____________________.

​Computer performance is measured in terms of application tasks that can be performed in a given time frame.

Fire detection is a special problem in computer facilities.

The starting point for determining hardware requirements is the ____ that will run on the hardware platform.

In all cases, strategic plans must address the basic question "____?"

An IS strategic plan tends to lead, rather than follow, the strategic plans of other units in the organization.

Accurate data is the most important requirement for good configuration decisions.

A(n) ____ is a device that provides power to attached devices in the event of external power failure.

Application firewalls improve security by shielding internal servers and resources from direct access by outside users.

In computer security, a(n) ____________________ is a hardware device, software, or a combination of hardware and software that prevents unauthorized users in one network from accessing resources on another network.

​Some UPSs, particularly those with long delivery times, are designed to work with a computer's OS.

Computer and software purchases are capital expenditures, even though the expected useful lifetime of computer hardware and software has decreased in recent years because of rapid technological change.

The ____ represents units of work application software performs in terms of its demand for low-level hardware services.

​The main responsibility of ____ is to ensure efficient and reliable delivery of information services.

Monitors can operate continuously or intermittently.