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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 object recognized by an NOS directory and defined in an NOS schema.
fixed
registrar server
class
domain tree
2. 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)
ad hoc
beacon frame
spread spectrum
3. A GUI tool provided with Windows Server 2008 that enables network administrators to manage server roles - features - resources - and users from a single interface.
X Window system
Fedora
Server Manager
OU (organizational unit)
4. A command-line utility for viewing and setting wireless interface parameters on Linux and UNIX workstations.
file globbing
X Window system
set top box
iwconfig
5. A form of filename substitution - similar to the use of wildcards in Windows and DOS.
DiffServ (Differentiated Service)
MEGACO
file globbing
child domain
6. 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.
ext3
account
DiffServ (Differentiated Service)
FHSS (frequency hopping spread spectrum)
7. A special identifier shared by BSSs that belong to the same ESS.
CSMA/CA (Carrier Sense Multiple Access with Collision Avoidance)
Linux
mobile
ESSID (extended service set identifier)
8. A technique for ensuring QoS by prioritizing traffic.
DiffServ (Differentiated Service)
replication
IP telephone
AF (Assured Forwarding)
9. A freely distributable implementation of a UNIX-type of system. Finnish computer scientist Linus Torvalds originally developed it.
Linux
ATA (analog telephone adapter)
member server
association
10. The computer instructions written in a programming language that is readable by humans.
source code
Mac OS X Server
redirect server
station
11. In wireless networking - the process that describes a station moving between BSSs without losing connectivity.
partition
set top box
802.11a
roaming
12. A file on the hard drive that is used for virtual memory.
narrowband
page file
inode (information node)
pipeline
13. In IEEE terminology - the identifier for a BSS (basic service set).
BSSID (basic service set identifier)
wireless spectrum
DN (distinguished name)
wireless
14. A type of satellite Internet access service in which a subscriber sends and receives data to and from the Internet over the satellite link. This is a symmetrical technology - in which both upstream and downstream throughputs are advertised to reach 4
satellite return
kernel
ESSID (extended service set identifier)
802.11b
15. The brand of computer central processing unit invented by Apple Computer - IBM - and Motorola - Inc. - and used in IBM servers.
tree
wireless router
PowerPC
ad hoc
16. An access point that provides routing functions.
wireless router
hierarchical file system
user agent server
PowerPC
17. 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.
GEO (geosynchronous orbit or geostationary orbit)
root domain
SIP (Session Initiation Protocol)
station
18. 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
MEO (medium Earth orbiting)
process
MGCP (Media Gateway Control Protocol)
active scanning
19. A type of permission - or right - that is passed down from one group (the parent) to a group within that group (the child).
source code
inherited
H.245
account
20. A standard protocol for accessing network directories.
domain controller
LDAP (Lightweight Directory Access Protocol)
EF (Expedited Forwarding)
FHSS (frequency hopping spread spectrum)
21. The term used to describe the recently released standards for highthroughput - long-distance digital data exchange over wireless connections.
UPN (user principal name)
NTFS (New Technology File System)
wireless broadband
command interpreter
22. 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
Server Manager
file access protocol
member server
802.11n
23. On a network following the H.323 standard - any node that provides audio - visual - or data information to another node.
H.323 zone
H.323 terminal
wireless spectrum
roaming
24. The diffusion of a wireless signal that results from hitting an object that has smaller dimensions compared to the signal's wavelength.
distribution
forest
scattering
BSD (Berkeley Software Distribution)
25. The geographical area in which signals issued from an antenna or wireless system can be consistently and accurately received.
range
roaming
virtualization
H.323 gatekeeper
26. A private switch that accepts and interprets both analog and digital voice signals (although some IP-PBXs do not accept analog lines). It can connect with both traditional PSTN lines and data networks. |
fax gateway
IP-PBX
directional antenna
root
27. 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).
set top box
role
DN (distinguished name)
multiprocessing
28. A type of wireless system in which the receiver can be located anywhere within the transmitter's range. This allows the receiver to roam from one place to another while continuing to pick up its signal.
satellite return
mount
802.11a
mobile
29. The name of the primary file system used in most Linux distributions.
Webcast
ext3
proxy server
BSS (basic service set)
30. 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
VoIP (voice over IP)
X Window system
proxy server
FoIP (fax over IP)
31. The proprietary version of UNIX that comes from Bell Labs.
SPARC
wireless spectrum
RDN (relative distinguished name)
System V
32. The complete database of hierarchical names (including host and domain names) used to resolve IP addresses with their hosts.
virtual memory
namespace
site survey
FoIP (fax over IP)
33. 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.
MGC (media gateway controller)
NFS (Network File System)
root
signaling
34. In the DiffServ QoS technique - a forwarding specification that allows routers to assign data streams one of several prioritization levels.
FHSS (frequency hopping spread spectrum)
trust relationship
AF (Assured Forwarding)
video-on-demand
35. A pictorial representation of computer functions and elements that - in the case of NOSs - enables administrators to more easily manage files - users - groups - security - printers - and other issues.
AIX
domain tree
GUI (graphical user interface)
802.11g
36. A client/server environment that uses middleware to translate requests between the client and server.
H.323 zone
3-tier architecture
Internet telephony
PAN (personal area network)
37. 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.
attribute
multitasking
preemptive multitasking
multiprocessing
38. A means of collectively managing users' permissions and restrictions applied to shared resources.
probe
group
class
domain
39. The ability of a processor to perform multiple activities in a brief period of time (often seeming simultaneous to the user
multitasking
child domain
PBX (private branch exchange)
redirect server
40. The brand of computer central processing unit invented by and used in Sun Microsystems servers.
PowerPC
asymmetric multiprocessing
SPARC
association
41. A connection from an Earth-based transmitter to an orbiting satellite.
H.323 zone
uplink
proprietary UNIX
Webcast
42. A group of users - servers - and other resources that share account and security policies through a Windows Server 2003 or Server 2008 NOS.
ESS (extended service set)
domain
H.225
active scanning
43. The organization of files and directories (or folders) on a disk in which directories may contain files and other directories. When displayed graphically - this organization resembles a treelike structure.
uplink
MIMO (multiple input-multiple output)
fading
hierarchical file system
44. An exchange in which a wireless station requests the exclusive right to communicate with an access point and the access point confirms that it has granted that request.
Internet telephony
domain model
802.16
RTS/CTS (Request to Send/Clear to Send)
45. In Windows Server 2003 or Server 2008 networking - the single domain from which child domains branch out in a domain tree.
MGCP (Media Gateway Control Protocol)
two-way transitive trust
root domain
unified messaging
46. A popular remote file system created by Sun Microsystems - and available for UNIX and Linux operating systems.
video phone
unified messaging
Mac OS X Server
NFS (Network File System)
47. A small (usually home) network composed of personal communications devices.
PAN (personal area network)
file globbing
H.323 zone
LDAP (Lightweight Directory Access Protocol)
48. A version of Linux packaged and distributed by Red Hat.
Fedora
fax gateway
SSID (service set identifier)
video phone
49. 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.
Mac OS X Server
802.16
VoIP (voice over IP)
replication
50. An open source software package that provides complete Windows-style file- and printer-sharing capabilities.
forest
Bluetooth
Samba
site survey