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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 trust relationship in which two domains that belong to different NOS directory trees are configured to trust each other.
softphone
X Window system
explicit one-way trust
GUI (graphical user interface)
2. The memory that is logically carved out of space on the hard drive and added to physical memory (RAM).
OU (organizational unit)
RDN (relative distinguished name)
Solaris
virtual memory
3. A collection of H.323 terminals - gateways - and MCUs that are managed by a single H.323 gatekeeper.
domain
H.323 zone
command interpreter
hierarchical file system
4. The relative strength over a three-dimensional area of all the electromagnetic energy an antenna sends or receives.
leaf object
Mac OS X Server
narrowband
radiation pattern
5. A type of wireless LAN in which stations communicate directly with each other (rather than using an access point).
DN (distinguished name)
BSS (basic service set)
ad hoc
channel bonding
6. In the context of applications - a licensing mode that limits access to an application to specific users or workstations.
CN (common name)
per seat
LOS (line-of-sight)
multiprocessing
7. A 128-bit number generated and assigned to an object upon its creation in Active Directory.
GNU
GUID (globally unique identifier)
virtualization
RTP (Real-time Transport Protocol)
8. In LDAP naming conventions - the name of any one of the domains to which an object belongs.
reflection
DC (domain component)
omnidirectional antenna
H.323 zone
9. A streaming video - either on demand or live - that is delivered via the Web.
Webcast
shell
System V
802.11b
10. The capability for operating multiple logical servers
paging
MGC (media gateway controller)
BSD (Berkeley Software Distribution)
virtualization
11. The real-time reception and transmission of images and audio among two or more locations.
OU (organizational unit)
domain
Fedora
videoconferencing
12. A GUI tool provided with Windows Server 2008 that enables network administrators to manage server roles - features - resources - and users from a single interface.
process
Server Manager
narrowband
Samba
13. The term used to refer to the different implementations of a particular UNIX or Linux system. For example - different distributions of Linux include Fedora - SUSE - and Ubuntu.
downlink
CIFS (Common Internet File System)
802.11g
distribution
14. The method for organizing and managing objects associated with the network in the Windows Server 2003 and Server 2008 NOSs.
middleware
BSD (Berkeley Software Distribution)
Active Directory
RTP (Real-time Transport Protocol)
15. In the context of wireless - the phenomenon that occurs when an electromagnetic wave encounters an obstacle and bounces back toward its source.
reflection
802.16e
directory
DC (domain component)
16. The IEEE standard for a wireless networking technique that uses DSSS (directsequence spread spectrum) signaling in the 2.4-2.4835-GHz frequency range (also called the 2.4-GHz band). It separates the 2.4-GHz band into 14 overlapping 22-MHz channels an
registrar server
802.11g
802.11b
printer queue
17. 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
Internet telephony
fax gateway
omnidirectional antenna
proprietary UNIX
18. In the context of IPTV - a device that decodes digital video signals and issues them to the television.
set top box
reassociation
branch
passive scanning
19. A Windows Server 2003 or Server 2008 computer that contains a replica of the Active Directory database.
BSS (basic service set)
domain controller
VoATM (voice over ATM)
domain
20. An internal or externally attached adapter that converts analog telephone signals into packet-switched voice signals and vice-versa.
System V
MIMO (multiple input-multiple output)
ATA (analog telephone adapter)
proxy server
21. A freely distributable implementation of a UNIX-type of system. Finnish computer scientist Linus Torvalds originally developed it.
Linux
fax gateway
wireless router
distribution
22. The technique of splitting tasks among multiple processors to expedite the completion of any single instruction.
redirect server
proprietary UNIX
multiprocessing
process
23. 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.
station
fixed
DSSS (direct-sequence spread spectrum)
X Window system
24. A cost-savings benefit that results from organizations completing long-distance telephone calls over their packet-switched networks - thus bypassing tolls charged by common carriers on comparable PSTN calls.
toll bypass
shell
Server Manager
inode (information node)
25. A logical representation of a networked printer's functionality.
printer queue
leaf object
MEGACO
video phone
26. A form of filename substitution - similar to the use of wildcards in Windows and DOS.
wireless router
virtualization
tree
file globbing
27. 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).
softphone
H.225
GNU
diffraction
28. An access point that provides routing functions.
explicit one-way trust
wireless router
object
wireless broadband
29. 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.
access point
RTS/CTS (Request to Send/Clear to Send)
GUI (graphical user interface)
site survey
30. A Session layer call signaling protocol defined as part of ITU's H.323 multiservice network architecture. It is responsible for call or videoconference setup between nodes on a VoIP or video-over-IP network - indicating node status - requesting addit
RDN (relative distinguished name)
H.225
explicit one-way trust
schema
31. 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
beacon frame
toll bypass
channel bonding
tree
32. On a network following the H.323 standard - any node that provides audio - visual - or data information to another node.
multipath
user agent server
CIFS (Common Internet File System)
H.323 terminal
33. A type of wireless transmission in which lower-level signals are distributed over several frequencies simultaneously.
MCU (multipoint control unit)
infrastructure WLAN
spread spectrum
MGC (media gateway controller)
34. 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.
SSID (service set identifier)
IPTV (IP television)
radiation pattern
GEO (geosynchronous orbit or geostationary orbit)
35. A nonprofit industry association that owns the UNIX trademark.
scanning
The Open Group
VoIP (voice over IP)
Mac OS X Server
36. 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
H.323
branch
VoDSL (voice over DSL)
diffraction
37. A type of wireless transmission in which signals travel over a single frequency or within a specified frequency range.
RTCP (Real-time Transport Control Protocol)
leaf object
narrowband
ext3
38. A group of access points and associated stations (or basic service sets) connected to the same LAN.
active scanning
LDAP (Lightweight Directory Access Protocol)
MIMO (multiple input-multiple output)
ESS (extended service set)
39. In LDAP naming conventions - the name of an object.
CN (common name)
iwconfig
dial return
hierarchical file system
40. A method of satellite Internet access in which a subscriber receives data via a satellite downlink transmission - but sends data to the satellite via an analog modem (dialup) connection.
dial return
MEO (medium Earth orbiting)
iwconfig
redirector
41. A wireless signal or path that travels directly in a straight line from its transmitter to its intended receiver.
printer queue
LOS (line-of-sight)
pipe
partition
42. In the DiffServ QoS technique - a forwarding specification that allows routers to assign data streams one of several prioritization levels.
RTCP (Real-time Transport Control Protocol)
AF (Assured Forwarding)
LDAP (Lightweight Directory Access Protocol)
802.11b
43. A client or server operating system originally developed by researchers at AT&T Bell Laboratories in 1969.
uplink
physical memory
DiffServ (Differentiated Service)
UNIX
44. The diffusion of a wireless signal that results from hitting an object that has smaller dimensions compared to the signal's wavelength.
registrar server
FHSS (frequency hopping spread spectrum)
page file
scattering
45. The brand of computer central processing unit invented by and used in Sun Microsystems servers.
reflection
SPARC
videoconferencing
video-on-demand
46. In Microsoft terminology - a group of interconnected computers that share each others' resources without relying on a central file server.
softphone
trust relationship
per seat
workgroup
47. A means of collectively managing users' permissions and restrictions applied to shared resources.
group
set top box
inherited
Solaris
48. The process a wireless station undergoes to find an access point.
domain model
Server Manager
ESS (extended service set)
scanning
49. 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
virtual memory
replication
directional antenna
50. A type of antenna that issues wireless signals along a single direction - or path.
GNU
DN (distinguished name)
directional antenna
class