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Test your basic knowledge |
Comptia Network + Wireless NOS Voip
Start Test
Study First
Subjects
:
certifications
,
comptia-network-+
,
it-skills
Instructions:
Answer 50 questions in 15 minutes.
If you are not ready to take this test, you can
study here
.
Match each statement with the correct term.
Don't refresh. All questions and answers are randomly picked and ordered every time you load a test.
This is a study tool. The 3 wrong answers for each question are randomly chosen from answers to other questions. So, you might find at times the answers obvious, but you will see it re-enforces your understanding as you take the test each time.
1. A type of satellite that orbits the Earth with an altitude between 100 and 900 miles - closer to the Earth's poles than the orbits of either GEO or MEO satellites.
range
LEO (low Earth orbiting)
redirector
GUI (graphical user interface)
2. A method of multiprocessing that splits all operations equally among two or more processors.
symmetric multiprocessing
pipe
reflection
LEO (low Earth orbiting)
3. An ITU standard that describes an architecture and a suite of protocols for establishing and managing multimedia services sessions on a packet-switched network.
H.323
trust relationship
VoDSL (voice over DSL)
set top box
4. In IEEE terminology - a group of stations that share an access point.
file access protocol
registrar server
BSS (basic service set)
ext3
5. The software that sits between the client and server in a 3-tier architecture.
middleware
Mac OS X Server
wireless spectrum
Solaris
6. A type of trust relationship in which two domains that belong to different NOS directory trees are configured to trust each other.
omnidirectional antenna
user agent client
explicit one-way trust
wireless router
7. In the context of applications - a licensing mode that limits access to an application to specific users or workstations.
video-on-demand
per seat
softphone
set top box
8. In the context of wireless networking - the process of a station establishing a connection (or associating) with a different access point.
Bluetooth Special Interest Group (SIG)
reassociation
VoDSL (voice over DSL)
H.323 gateway
9. The technique of splitting tasks among multiple processors to expedite the completion of any single instruction.
diffraction
H.323 zone
set top box
multiprocessing
10. The process of moving blocks of information - called pages - between RAM and into a page file on disk.
pipe
paging
BSSID (basic service set identifier)
GUI (graphical user interface)
11. The brand of computer central processing unit invented by and used in Sun Microsystems servers.
virtualization
H.225
SPARC
ATA (analog telephone adapter)
12. A type of WLAN in which stations communicate with an access point and not directly with each other.
streaming video
H.225
thread
infrastructure WLAN
13. A transmission technique in which a signal's bits are distributed over an entire frequency band at once. Each bit is coded so that the receiver can reassemble the original signal upon receiving the bits.
DSSS (direct-sequence spread spectrum)
Active Directory
PowerPC
role
14. A part of the organizational structure of an operating system's directory that contains objects or other organizational units.
directional antenna
omnidirectional antenna
H.323 gateway
branch
15. The IEEE standard for a wireless networking technique that may issue signals in the 2.4- or 5-GHz band and can achieve actual data throughput between 65 and 600 Mbps. It accomplishes this through several means - including MIMO - channel bonding - and
Active Directory
802.11n
distribution
H.323 gatekeeper
16. A type of server on a Windows Server 2003 or Server 2008 network that does not hold directory information and - therefore - cannot authenticate users.
thread
PAN (personal area network)
leaf object
member server
17. A protocol for communications and resource access between systems - such as clients and servers.
IP telephone
VoDSL (voice over DSL)
SMB (Server Message Block)
object
18. The computer instructions written in a programming language that is readable by humans.
source code
directional antenna
omnidirectional antenna
802.16
19. On a network following the H.323 standard - any node that provides audio - visual - or data information to another node.
fax gateway
H.323 terminal
Bluetooth
wireless spectrum
20. A wireless signal or path that travels directly in a straight line from its transmitter to its intended receiver.
LOS (line-of-sight)
role
group
range
21. A change in a wireless signal's strength as a result of some of the electromagnetic energy being scattered - reflected - or diffracted after being issued by the transmitter.
CN (common name)
registrar server
fading
hierarchical file system
22. A group of hierarchically arranged domains that share a common namespace in the Windows Server 2003 or Server 2008 Active Directory.
domain tree
infrastructure WLAN
omnidirectional antenna
ESS (extended service set)
23. An access point that provides routing functions.
mount
root domain
wireless router
IPTV (IP television)
24. The brand of computer central processing unit invented by Apple Computer - IBM - and Motorola - Inc. - and used in IBM servers.
roaming
passive scanning
DC (domain component)
PowerPC
25. A standard protocol for accessing network directories.
proxy server
registrar server
member server
LDAP (Lightweight Directory Access Protocol)
26. The process of making a disk partition available.
The Open Group
wireless broadband
Samba
mount
27. The name given to the public software project to implement a complete - free source code implementation of UNIX. It also refers to the collection of UNIX-inspired utilities and tools that are included with Linux distributions.|
RTCP (Real-time Transport Control Protocol)
map
GNU
process
28. Any type of video service - including IPTV - videoconferencing - and streaming video - that delivers video signals over packet-switched networks using the TCP/IP protocol suite.
process
preemptive multitasking
active scanning
video over IP
29. A consortium of companies - including Sony Ericsson - Intel - Nokia - Toshiba - and IBM - that formally banded together in 1998 to refine and standardize Bluetooth technology.
Bluetooth Special Interest Group (SIG)
lpr
distribution
probe
30. A group of users - servers - and other resources that share account and security policies through a Windows Server 2003 or Server 2008 NOS.
domain
PBX (private branch exchange)
proxy server
mobile
31. A connection from an orbiting satellite to an Earth-based receiver.
account
domain model
preemptive multitasking
downlink
32. An attribute of an object that identifies the object separately from its related container(s) and domain.
station
wireless
RDN (relative distinguished name)
leaf object
33. A type of antenna that issues and receives wireless signals with equal strength and clarity in all directions. This type of antenna is used when many different receivers must be able to pick up the signal - or when the receiver's location is highly m
802.16e
NTFS (New Technology File System)
omnidirectional antenna
MMC (Microsoft Management Console)
34. The capability for operating multiple logical servers
reflection
paging
namespace
virtualization
35. The method for organizing and managing objects associated with the network in the Windows Server 2003 and Server 2008 NOSs.
Active Directory
two-way transitive trust
GUI (graphical user interface)
VoDSL (voice over DSL)
36. In Microsoft terminology - the type of client/server network that relies on domains - rather than workgroups.
process
domain model
MGC (media gateway controller)
beacon frame
37. In the context of wireless signal propagation - the phenomenon that occurs when an electromagnetic wave encounters an obstruction and splits into secondary waves. The secondary waves continue to propagate in the direction in which they were split. Th
OU (organizational unit)
trust relationship
IPTV (IP television)
diffraction
38. Another term for the UNIX command interpreter.
802.11b
MEGACO
LOS (line-of-sight)
shell
39. A Session layer control protocol defined as part of ITU's H.323 multiservice network architecture. It is responsible for controlling a session between two nodes. For example - it ensures that the two nodes are communicating in the same format.
PAN (personal area network)
System V
uplink
H.245
40. A multiprocessing method that assigns each subtask to a specific processor.
asymmetric multiprocessing
channel bonding
range
VoIP (voice over IP)
41. The RAM chips installed on the computer's system board that provide dedicated memory to that computer.
asymmetric multiprocessing
802.11b
virtual memory
physical memory
42. In the context of wireless networking - the communication that occurs between a station and an access point to enable the station to connect to the network via that access point.
H.245
DiffServ (Differentiated Service)
root
association
43. The term used to describe the recently released standards for highthroughput - long-distance digital data exchange over wireless connections.
domain model
wireless broadband
Mac OS X Server
reassociation
44. A series of two or more commands in which the output of prior commands is sent to the input of subsequent commands.
distribution
Webcast
pipeline
virtual memory
45. A wireless networking standard that uses FHSS (frequency hopping spread spectrum) signaling in the 2.4-GHz band to achieve a maximum throughput of either 723 Kbps or 2.1 Mbps - depending on the version. IT was designed for use primarily with small of
infrastructure WLAN
Bluetooth
range
map
46. In LDAP naming conventions - the name of an object.
kernel
SPARC
ext3
CN (common name)
47. A proprietary implementation of the UNIX system distributed by IBM.
AIX
multipath
CSMA/CA (Carrier Sense Multiple Access with Collision Avoidance)
LDAP (Lightweight Directory Access Protocol)
48. A protocol that enables one system to access files on another system.
MIMO (multiple input-multiple output)
file access protocol
omnidirectional antenna
MEGACO
49. The characteristic of wireless signals that follow a number of different paths to their destination (for example - because of reflection - diffraction - and scattering).
802.16
multipath
Server Manager
fax gateway
50. In the context of 802.11n wireless networking - the ability for access points to issue multiple signals to stations - thereby multiplying the signal's strength and increasing their range and data-carrying capacity.
physical memory
X Window system
MCU (multipoint control unit)
MIMO (multiple input-multiple output)