AND ANSWERS| GRADED A
A___ is a group of computers and other devices that are connected by some type of transmission
media. Correct Answer: Network
In a ___ network, every computer can communicate directly with any other computer. Correct
Answer: peer-to-peer
Which of the following terms describes a network of computers and other devices that is
confirmed to a relatively small space, such as one building or even one office? Correct Answer:
LAN
The ___ is the main circuit that controls the computer. Correct Answer: Motherboard
___ ensure that data are transferred whole, in sequence, and without error from one node on the
network to another. Correct Answer: Protocols
___ coordinate the storage and transfer of e-mail between users on a network. Correct Answer:
Mail services
A(n)___ is a computer installed with the appropriate software to supply Web pages to many
different clients upon demand. Correct Answer: Web server
The term ___ refers to those skills that are not easily measurable, such as customer relations, oral
and written communications, dependability, teamwork, and leadership abilities. Correct Answer:
soft skills
___ refers to the capability of a server to share data files, applications, and disk storage space.
Correct Answer: File services
___ are documented agreements containing technical specifications or other precise criteria that
stipulate how a particular product or service should be designed or performed. Correct Answer:
Standards
Protocols at the ___ layer accept Application layer data and format it so that one type of
application and host can understand data from another type of application and host. Correct
Answer: Presentation
___ is a networking technology originally developed at Xerox in the early 1970s and improved
by Digital Equipment Corporation, Intel, and Xerox. Correct Answer: Ethernet
, ___ is a method of identifying segments that belong to the same group of subdivided data.
Correct Answer: Sequencing
___ protocols ensure that data arrives exactly as it was sent by establishing a connection with
another node before they begin transmitting data. Correct Answer: Connection-oriented
Transport layer protocols break large data units received from the Session layer into multiple
smaller units called ___ Correct Answer: Segments
Network layer addresses are also called ___ Correct Answer: virtual addresses
The ___ is the lowest, or first, layer of the OSI model. Correct Answer: physical layer
___ layer services manage data encryption and decryption. Correct Answer: Presentation
A wave's ___ is a measuer of it's strength at any given point in time. Correct Answer: Amplitude
A(n)___ is a distinct communication path betweens nodes. Correct Answer: Channel
The most common way to measure latency on data networks is by calculating a packet's ____
Correct Answer: round trip time
A(n) ___ issues and receives wireless signals with equal strength and clarity in all directions.
Correct Answer: omni-directional antenna
A(n) ___ is a device that accpets wireless signals from multiple nodes and retransmits them to
the rest of the network. Correct Answer: access point
The distance between corresponding points on a wave cycle is called its ___ Correct Answer:
Wavelength
___ is a term used by network professionals to describe the non-data information that must
accompany data in order for a signal to be properly routed and interpreted by the network.
Correct Answer: Overhead
___occurs when a signal traveling on one wire or cable infringes on the signal traveling over an
adjacent wire or cable. Correct Answer: Crosstalk
____ is the capacity for a component or system to continue functioning despite damage or partial
malfunction. Correct Answer: Fault tolerance
A ___ is a rule that governs how networks communicate. Correct Answer: Protocol
___ is a Network layer protocol that obtains the MAC address of a host, or node, then creates a
database that maps the MAC address to the host's IP address. Correct Answer: Address
Resolution Protocol