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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. The core of a UNIX or Linux system. This part of the operating system is loaded and run when you turn on your computer. It mediates between user programs and the computer hardware.
site license
fading
kernel
DN (distinguished name)
2. The method for organizing and managing objects associated with the network in the Windows Server 2003 and Server 2008 NOSs.
file system
mobile
Active Directory
beacon frame
3. A wireless signaling technique in which a signal jumps between several different frequencies within a band in a synchronization pattern known to the channel's receiver and transmitter.
SIP (Session Initiation Protocol)
hierarchical file system
mount
FHSS (frequency hopping spread spectrum)
4. In the DiffServ QoS technique - a forwarding specification that allows routers to assign data streams one of several prioritization levels.
lpd (line printer daemon)
LEO (low Earth orbiting)
AF (Assured Forwarding)
set top box
5. A type of server on a Windows Server 2003 or Server 2008 network that does not hold directory information and - therefore - cannot authenticate users.
SMB (Server Message Block)
replication
member server
kernel module
6. 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
association
DC (domain component)
omnidirectional antenna
NFS (Network File System)
7. A group of hierarchically arranged domains that share a common namespace in the Windows Server 2003 or Server 2008 Active Directory.
domain tree
kernel module
DN (distinguished name)
spread spectrum
8. In Microsoft terminology - the type of client/server network that relies on domains - rather than workgroups.
account
domain model
GEO (geosynchronous orbit or geostationary orbit)
MMC (Microsoft Management Console)
9. A type of antenna that issues wireless signals along a single direction - or path.
narrowband
open source software
directional antenna
GUID (globally unique identifier)
10. A gateway that can translate IP fax data into analog fax data and vice versa.
scanning
fax gateway
video-on-demand
object
11. A type of trust relationship in which two domains that belong to different NOS directory trees are configured to trust each other.
WLAN (wireless LAN)
explicit one-way trust
FHSS (frequency hopping spread spectrum)
H.323 zone
12. A collection of H.323 terminals - gateways - and MCUs that are managed by a single H.323 gatekeeper.
RTS/CTS (Request to Send/Clear to Send)
H.323 zone
ext3
UNIX
13. The IEEE standard for a wireless networking technique that uses multiple frequency bands in the 5-GHz frequency range and provides a theoretical maximum throughput of 54 Mbps.
BSSID (basic service set identifier)
RSVP (Resource Reservation Protocol)
802.11a
site survey
14. A connection from an orbiting satellite to an Earth-based receiver.
802.11b
downlink
inode (information node)
process
15. A service that runs on a client workstation and determines whether the client's request should be handled by the client or the server.
IP-PBX
ATA (analog telephone adapter)
SPARC
redirector
16. The computer instructions written in a programming language that is readable by humans.
H.323 gateway
source code
directory
range
17. A type of software license that - for a fixed price - allows any number of users in one location to legally access a program.
page file
user agent client
role
site license
18. 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
process
802.11n
file system
per seat
19. On a SIP network - a server that accepts requests for location information from user agents - then queries the nearest registrar server on behalf of those user agents. If the recipient user agent is in the SIP proxy server's domain - then that server
WLAN (wireless LAN)
X Window system
802.11n
proxy server
20. A variable property associated with a network object. For example - a restriction on the time of day a user can log on is an attribute associated with that user object.
ext3
attribute
Fedora
Solaris
21. The action of associating a disk - directory - or device with a drive letter.
802.16e
map
FHSS (frequency hopping spread spectrum)
file system
22. A command-line utility for viewing and setting wireless interface parameters on Linux and UNIX workstations.
iwconfig
fixed
symmetric multiprocessing
channel bonding
23. A device used on wireless LANs that transmits and receives wireless signals to and from multiple nodes and retransmits them to the rest of the network segment. Those can connect a group of nodes with a network or two networks with each other. They ma
account
H.225
CIFS (Common Internet File System)
access point
24. The RAM chips installed on the computer's system board that provide dedicated memory to that computer.
signaling
physical memory
active scanning
diffraction
25. A long form of an object's name in Active Directory that explicitly indicates the object name - plus the names of its containers and domains. It includes a DC (domain component) - OU (organizational unit) - and CN (common name).
H.323 gateway
LEO (low Earth orbiting)
DN (distinguished name)
LOS (line-of-sight)
26. A type of satellite that orbits the Earth roughly 6000 to 12 -000 miles above its surface - positioned between the equator and the poles. These satellites can cover a larger area of the Earth's surface than LEO satellites while using less power and c
page file
IP-PBX
DSSS (direct-sequence spread spectrum)
MEO (medium Earth orbiting)
27. A means of collectively managing users' permissions and restrictions applied to shared resources.
registrar server
group
Linux
Server Manager
28. An internal or externally attached adapter that converts analog telephone signals into packet-switched voice signals and vice-versa.
PBX (private branch exchange)
ATA (analog telephone adapter)
radiation pattern
GUI (graphical user interface)
29. The technique of splitting tasks among multiple processors to expedite the completion of any single instruction.
scattering
iwconfig
MMC (Microsoft Management Console)
multiprocessing
30. The type of multitasking in which tasks are actually performed one at a time - in very brief succession. One program uses the processor for a certain period of time - then is suspended to allow another program to use the processor.
LEO (low Earth orbiting)
DiffServ (Differentiated Service)
MMC (Microsoft Management Console)
preemptive multitasking
31. The name of the primary file system used in most Linux distributions.
SPARC
ext3
802.11n
PowerPC
32. 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.
printer queue
Mac OS X Server
MIMO (multiple input-multiple output)
domain tree
33. The online documentation for any variety of the UNIX operating system. This documentation describes the use of the commands and the programming interface.
802.11n
DN (distinguished name)
H.245
man pages (manual pages)
34. A logical representation of a networked printer's functionality.
IP-PBX
streaming video
printer queue
FHSS (frequency hopping spread spectrum)
35. The centralized management of multiple types of network-based communications - such as voice - video - fax - and messaging services.
domain controller
GEO (geosynchronous orbit or geostationary orbit)
lpd (line printer daemon)
unified messaging
36. An object in an operating system's directory - such as a printer or user - that does not contain other objects.
leaf object
multiprocessing
BSS (basic service set)
VoIP (voice over IP)
37. In the context of IPTV - a device that decodes digital video signals and issues them to the television.
wireless
set top box
MMC (Microsoft Management Console)
ext3
38. The process of moving blocks of information - called pages - between RAM and into a page file on disk.
range
wireless router
beacon frame
paging
39. A popular remote file system created by Sun Microsystems - and available for UNIX and Linux operating systems.
streaming video
open source software
NFS (Network File System)
printer queue
40. In IEEE terminology - the identifier for a BSS (basic service set).
BSSID (basic service set identifier)
signaling
RTS/CTS (Request to Send/Clear to Send)
forest
41. An area of a computer's hard drive that is logically defined and acts as a separate disk drive.
RTS/CTS (Request to Send/Clear to Send)
partition
pipeline
omnidirectional antenna
42. Any implementation of UNIX for which the source code is either unavailable or available only by purchasing a licensed copy from Novell (costing as much as millions of dollars).
DC (domain component)
proprietary UNIX
H.323 terminal
virtualization
43. A client/server environment that uses middleware to translate requests between the client and server.
VoATM (voice over ATM)
process
wireless
3-tier architecture
44. Another term for the UNIX command interpreter.
wireless router
inode (information node)
signaling
shell
45. A service that transmits faxes over a TCP/IP network.
open source software
FoIP (fax over IP)
file access protocol
distribution
46. 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.
LEO (low Earth orbiting)
forest
softphone
DSSS (direct-sequence spread spectrum)
47. An open source software package that provides complete Windows-style file- and printer-sharing capabilities.
Samba
H.323 gatekeeper
GUI (graphical user interface)
schema
48. A licensing mode that allows a fixed quantity of clients to use one software package simultaneously.
MCU (multipoint control unit)
per user
account
proprietary UNIX
49. A client or server operating system originally developed by researchers at AT&T Bell Laboratories in 1969.
UNIX
GUI (graphical user interface)
scattering
domain model
50. A companion protocol to RTP - defined in RFC 3550 by the IETF - RTCP provides feedback on the quality of a call or videoconference to its participants.
leaf object
X Window system
RTCP (Real-time Transport Control Protocol)
DC (domain component)