Exam 7: Administering a Secure Network

____ is a means of managing and presenting computer resources by function without regard to their physical layout or location.

The ____________________ Layer is omitted in the TCP/IP model.

List and describe three benefits offered by IP telephony.

SNMP agents are protected with a password known as a(n) ____ in order to prevent unauthorized users from taking control over a device.

Routers operate at the ____ Layer.

____________________ servers are intermediate hosts through which Web sites are accessed.

List and describe the three service models of cloud computing.

A ____ forwards packets across computer networks.

In the ____ model, the cloud computing vendor provides access to the vendor's software applications running on a cloud infrastructure.

TCP is responsible for addressing packets and sending them on the correct route to the destination, while IP is responsible for reliable packet transmission.

A ____ is a feature that controls a device's tolerance for unanswered service requests and helps to prevent a DoS attack.

In the ____ cloud computing model, the customer has the highest level of control.

IP telephony and Voice over IP (VoIP) are identical.

Describe one way to use FTP on a local host computer.

IP is the protocol that functions primarily at the Open Systems Interconnection (OSI) ____.

____ is used to relay query messages.

TCP/IP uses its own five-layer architecture that includes Network Interface, Internet, Control, Transport, and Application.

Discuss one security advantage to hosts running virtualization.

With operating system virtualization, a(n) ____________________ system is the native operating system to the hardware.

It is possible to segment a network by physical devices grouped into logical units through a(n) ____.