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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 term used to refer to a satellite that maintains a constant distance from a point on the equator at every point in its orbit.
Active Directory
DC (domain component)
GEO (geosynchronous orbit or geostationary orbit)
WLAN (wireless LAN)
2. A type of object recognized by an NOS directory and defined in an NOS schema.
UNIX
class
pipeline
set top box
3. 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.
fading
branch
H.323
multipath
4. A type of trust relationship in which two domains that belong to different NOS directory trees are configured to trust each other.
GNU
explicit one-way trust
radiation pattern
scattering
5. The computer instructions written in a programming language that is readable by humans.
source code
H.323 terminal
proxy server
domain
6. The diffusion of a wireless signal that results from hitting an object that has smaller dimensions compared to the signal's wavelength.
forest
DC (domain component)
scattering
video-on-demand
7. 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
wireless gateway
channel bonding
MEO (medium Earth orbiting)
domain tree
8. The exchange of information between the components of a network or system for the purposes of establishing - monitoring - or releasing connections as well as controlling system operations.
Server Manager
MMC (Microsoft Management Console)
signaling
UNIX
9. The description of object types - or classes - and their required and optional attributes that are stored in an NOS's directory.
branch
schema
MMC (Microsoft Management Console)
kernel module
10. A part of the organizational structure of an operating system's directory that contains objects or other organizational units.
narrowband
object
branch
process
11. A type of wireless LAN in which stations communicate directly with each other (rather than using an access point).
root
ad hoc
active scanning
leaf object
12. A customizable - graphical network management interface introduced with Windows Server 2003 and incorporated in Window Server 2008's Server Manager.
MMC (Microsoft Management Console)
physical memory
wireless spectrum
tree
13. 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).
proprietary UNIX
UNIX
DC (domain component)
ATA (analog telephone adapter)
14. A highly privileged user ID that has all rights to create - delete - modify - move - read - write - or execute files on a UNIX or Linux system.
root
redirector
IP-PBX
branch
15. In Microsoft terminology - a group of interconnected computers that share each others' resources without relying on a central file server.
workgroup
user agent client
shell
proprietary UNIX
16. A LAN that uses wireless connections for some or all of its transmissions.
802.11g
Internet telephony
virtual memory
WLAN (wireless LAN)
17. A Windows Server 2003 or Server 2008 computer that contains a replica of the Active Directory database.
MIMO (multiple input-multiple output)
OU (organizational unit)
domain controller
RSVP (Resource Reservation Protocol)
18. In the context of wireless networking - a frame issued by an access point to alert other nodes of its existence.
AF (Assured Forwarding)
Bluetooth Special Interest Group (SIG)
beacon frame
kernel module
19. The proprietary version of UNIX that comes from Bell Labs.
lpd (line printer daemon)
System V
fading
iwconfig
20. A connection from an Earth-based transmitter to an orbiting satellite.
explicit one-way trust
attribute
wireless broadband
uplink
21. In IEEE terminology - the identifier for a BSS (basic service set).
AF (Assured Forwarding)
passive scanning
namespace
BSSID (basic service set identifier)
22. In the context of 802.11n wireless technology - the combination of two 20-MHz frequency band to create one 40-MHz frequency band that can carry more than twice the amount of data that a single 20-MHz band could. It's recommended for use only in the 5
preemptive multitasking
channel bonding
H.323 zone
802.16e
23. A proprietary NOS from Apple Computer that is based on a version of UNIX.
IPTV (IP television)
role
attribute
Mac OS X Server
24. The geographical area in which signals issued from an antenna or wireless system can be consistently and accurately received.
GEO (geosynchronous orbit or geostationary orbit)
range
softphone
MMC (Microsoft Management Console)
25. A unique character string used to identify an access point on an 802.11 network.
proxy server
802.16e
SMB (Server Message Block)
SSID (service set identifier)
26. A record of a user that contains all of her properties - including rights to resources - password - user name - and so on.
unified messaging
proprietary UNIX
multiprocessing
account
27. A type of WLAN in which stations communicate with an access point and not directly with each other.
LOS (line-of-sight)
infrastructure WLAN
hierarchical file system
site license
28. A computer configured to act like an IP telephone. SS7 (Signaling System 7) | A set of standards established by the ITU for handling call signaling on the PSTN (public switched telephone network).
PowerPC
redirect server
active scanning
softphone
29. A UNIX command that places files in the printer queue.
wireless
access point
lpr
station
30. The online documentation for any variety of the UNIX operating system. This documentation describes the use of the commands and the programming interface.
H.323 gateway
man pages (manual pages)
BSSID (basic service set identifier)
802.11a
31. A type of wireless transmission in which signals travel over a single frequency or within a specified frequency range.
narrowband
two-way transitive trust
RTCP (Real-time Transport Control Protocol)
multitasking
32. The centralized management of multiple types of network-based communications - such as voice - video - fax - and messaging services.
unified messaging
symmetric multiprocessing
role
proprietary UNIX
33. A well-defined - self-contained subset of a process. U
thread
streaming video
MGC (media gateway controller)
branch
34. A form of filename substitution - similar to the use of wildcards in Windows and DOS.
file globbing
range
IP telephone
multitasking
35. A UNIX service responsible for printing files placed in the printer queue by the lpr command.
H.245
lpd (line printer daemon)
multiprocessing
wireless gateway
36. The process of copying Active Directory data to multiple domain controllers. This ensures redundancy so that in case one of the domain controllers fails - clients can still log on to the network - be authenticated - and access resources.
H.323
replication
command interpreter
user agent server
37. The brand of computer central processing unit invented by and used in Sun Microsystems servers.
passive scanning
802.11g
file access protocol
SPARC
38. A computer that manages multiple media gateways and facilitates the exchange of call control information between these gateways.
replication
video-on-demand
MGC (media gateway controller)
passive scanning
39. A GUI tool provided with Windows Server 2008 that enables network administrators to manage server roles - features - resources - and users from a single interface.
Server Manager
Samba
softphone
video-on-demand
40. A file system developed by Microsoft and used with its Windows NT - Windows 2000 Server - Windows Server 2003 - and Windows 2008 operating systems.
NTFS (New Technology File System)
NFS (Network File System)
BSSID (basic service set identifier)
IP-PBX
41. An ITU standard that describes an architecture and a suite of protocols for establishing and managing multimedia services sessions on a packet-switched network.
LDAP (Lightweight Directory Access Protocol)
H.323
RTP (Real-time Transport Protocol)
kernel module
42. In wireless networking - the process that describes a station moving between BSSs without losing connectivity.
roaming
video over IP
scanning
DC (domain component)
43. On a SIP network - a server that accepts and responds to requests from user agents and SIP proxy servers for location information on recipients that belong to external domains.
redirect server
VoIP (voice over IP)
Linux
IPTV (IP television)
44. A network access method used on 802.11 wireless networks. In it - before a node begins to send data it checks the medium. If it detects no transmission activity - it waits a brief - random amount of time - and then sends its transmission. If the node
CSMA/CA (Carrier Sense Multiple Access with Collision Avoidance)
Internet telephony
station
video-on-demand
45. A group of users - servers - and other resources that share account and security policies through a Windows Server 2003 or Server 2008 NOS.
directory
802.11n
domain
directional antenna
46. An area covered by a wireless access point that provides visitors with wireless services - including Internet access.
schema
ATA (analog telephone adapter)
hot spot
Solaris
47. A standard protocol for accessing network directories.
mobile
ATA (analog telephone adapter)
namespace
LDAP (Lightweight Directory Access Protocol)
48. A popular remote file system created by Sun Microsystems - and available for UNIX and Linux operating systems.
source code
NFS (Network File System)
toll bypass
group
49. A continuum of electromagnetic waves used for data and voice
pipeline
physical memory
range
wireless spectrum
50. 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.|
signaling
GNU
ESSID (extended service set identifier)
reassociation