Network +

Is a network layer protocol that reports on the success or failure of data delivery.

In which of the following would a crossover cable be useful?

Packet filtering firewalls operate at the application layer of the OSI model.

__define the standards for communication between network devices

Is a terminal emulation protocol used to log on to remote hosts using TCP/IP protocol suite.

In__data is encrypted using a single key that only the sender and the receiver know.

_occurs when a hacker forges name server records to falsify his host's identity.

On a LAN, a star topology and a parallel backbone provide the greatest fault tolerance.

Refers to the soundness of a network's programs, data, services, devices, and connections.

A DSL__is a device that modulates outgoing signals and demodulates incoming signals.

Fill in the blank, "Pour some ____ on me."

Is a collection of disks that provide fault tolerance for shared data and applications.

A WAN in which each site is directly connected to no more than two other sites.

Is a fault tolerance technique that links multiple servers together to act as a single server.

Every process that occurs during network communications can be associated OSI model layers.

A__is the layout of the media, nodes, and devices on a network.

T-Carriers belong to the network layer of the OSI model

A patch of cable in which the termination locations of the transmit and receive are reversed

Protocols at the_layer accept frames from Data Link layer & creates voltage to transmit signals

The diagram shows the standard pin-out for which cable, with cable ends reversed?

The__of a network refers to that part of the network to which segments & shared devices connect

Occurs when 2nodes simultaneously check a channel, decide that it is free and begin to transmit

NICs, SFPs, power supplies, cooling fans, and processors all are key to achieving automatic ___

Which of the following is the most highly fault-tolerant network topology?

A__is a password-protected & encrypted file that holds an individual's ID & public key.

The diagram shows a pin-out where both ends of the cable are identical, what is the cable type?

__Are combinations of networking hardware and software that connect 2 dissimilar networks.

A__topology WAN incorporates many directly interconnected sites.

When computers connect vis PSTN modems are necessary PSTN can't handle digital transmissions.

A__is a software application on a network host that acts as an intermediary/screens all packets

Operates at the transport layer of the OSI & provides reliable data delivery

__are devices that connect 2 network segments by analyzing incoming frames&directing them (MAC)

A device inside the comp. that joins a comp. w/the network media&allows it to com. w/other comp

In a __topology every node on the network is connected through a central device such as a hub.

A _is a group of computers and other devices that are connected by transmission media.

Physical addresses are assigned to a device's NIC at the factory by it's manufacturer.