SUBJECTS
|
BROWSE
|
CAREER CENTER
|
POPULAR
|
JOIN
|
LOGIN
Business Skills
|
Soft Skills
|
Basic Literacy
|
Certifications
About
|
Help
|
Privacy
|
Terms
|
Email
Search
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. In Microsoft terminology - a group of interconnected computers that share each others' resources without relying on a central file server.
workgroup
Linux
video phone
printer queue
2. The complete database of hierarchical names (including host and domain names) used to resolve IP addresses with their hosts.
CSMA/CA (Carrier Sense Multiple Access with Collision Avoidance)
namespace
process
toll bypass
3. A gateway that can translate IP fax data into analog fax data and vice versa.
site survey
fax gateway
user agent client
radiation pattern
4. 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
802.11b
association
802.16e
channel bonding
5. A command-line utility for viewing and setting wireless interface parameters on Linux and UNIX workstations.
namespace
IPTV (IP television)
IP-PBX
iwconfig
6. In the DiffServ QoS technique - a forwarding specification that allows routers to assign data streams one of several prioritization levels.
downlink
videoconferencing
kernel module
AF (Assured Forwarding)
7. The software that sits between the client and server in a 3-tier architecture.
hot spot
GUI (graphical user interface)
inode (information node)
middleware
8. The relative strength over a three-dimensional area of all the electromagnetic energy an antenna sends or receives.
root domain
AIX
radiation pattern
LDAP (Lightweight Directory Access Protocol)
9. A form of filename substitution - similar to the use of wildcards in Windows and DOS.
MGC (media gateway controller)
file globbing
reflection
H.323
10. A type of permission - or right - that is passed down from one group (the parent) to a group within that group (the child).
root
FoIP (fax over IP)
inherited
DN (distinguished name)
11. 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.
page file
CIFS (Common Internet File System)
child domain
LEO (low Earth orbiting)
12. A type of wireless transmission in which lower-level signals are distributed over several frequencies simultaneously.
mobile
NFS (Network File System)
spread spectrum
file globbing
13. 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
Mac OS X Server
Bluetooth Special Interest Group (SIG)
IP telephone
802.11b
14. The provision of telephone service over a packet-switched network running the TCP/IP protocol suite.
middleware
VoIP (voice over IP)
channel bonding
virtual memory
15. In the context of applications - a licensing mode that limits access to an application to specific users or workstations.
replication
3-tier architecture
per seat
iwconfig
16. 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
IP-PBX
proxy server
MGCP (Media Gateway Control Protocol)
multitasking
17. The real-time reception and transmission of images and audio among two or more locations.
wireless broadband
man pages (manual pages)
videoconferencing
MEGACO
18. An access point that provides routing functions and is used as a gateway.
LOS (line-of-sight)
BSSID (basic service set identifier)
wireless gateway
inode (information node)
19. A portion of the kernel that you can load and unload to add or remove functionality on a running UNIX or Linux system.
kernel module
wireless spectrum
VoATM (voice over ATM)
source code
20. The online documentation for any variety of the UNIX operating system. This documentation describes the use of the commands and the programming interface.
man pages (manual pages)
open source software
VoIP (voice over IP)
IPTV (IP television)
21. 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.
hierarchical file system
SPARC
asymmetric multiprocessing
fax gateway
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
802.11n
passive scanning
per user
virtualization
23. In the context of IPTV - a device that decodes digital video signals and issues them to the television.
H.323 gateway
set top box
802.11n
BSS (basic service set)
24. A protocol used for communication between media gateway controllers and media gateways.
802.11g
ATA (analog telephone adapter)
MGCP (Media Gateway Control Protocol)
fax gateway
25. The description of object types - or classes - and their required and optional attributes that are stored in an NOS's directory.
schema
DN (distinguished name)
LEO (low Earth orbiting)
video phone
26. A method used by wireless stations to detect the presence of an access point. The station issues a probe to each channel in its frequency range and waits for the access point to respond.
man pages (manual pages)
Solaris
active scanning
site survey
27. An area covered by a wireless access point that provides visitors with wireless services - including Internet access.
station
hot spot
Bluetooth Special Interest Group (SIG)
asymmetric multiprocessing
28. The preferred Active Directory naming convention for objects when used in informal situations. This name looks like a familiar Internet address - including the positioning of the domain name after the @ sign.
H.323 terminal
UPN (user principal name)
H.323 gateway
mount
29. 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.
Linux
domain controller
mobile
H.245
30. A freely distributable implementation of a UNIX-type of system. Finnish computer scientist Linus Torvalds originally developed it.
DN (distinguished name)
Linux
streaming video
802.16
31. A service in which a video stored as an encoded file is delivered to a viewer upon his request.
video-on-demand
PBX (private branch exchange)
beacon frame
narrowband
32. A group of hierarchically arranged domains that share a common namespace in the Windows Server 2003 or Server 2008 Active Directory.
directional antenna
domain tree
replication
association
33. The diffusion of a wireless signal that results from hitting an object that has smaller dimensions compared to the signal's wavelength.
VoDSL (voice over DSL)
scattering
NFS (Network File System)
PBX (private branch exchange)
34. A service that transmits faxes over a TCP/IP network.
proprietary UNIX
FoIP (fax over IP)
dial return
account
35. The technique of splitting tasks among multiple processors to expedite the completion of any single instruction.
multiprocessing
ESS (extended service set)
MGCP (Media Gateway Control Protocol)
AIX
36. A special identifier shared by BSSs that belong to the same ESS.
H.323 terminal
file access protocol
command interpreter
ESSID (extended service set identifier)
37. A logical representation of multiple - hierarchical levels in a directory.
tree
wireless spectrum
preemptive multitasking
video over IP
38. A consortium of companies - including Sony Ericsson - Intel - Nokia - Toshiba - and IBM - that formally banded together in 1998 to refine and standardize Bluetooth technology.
MIMO (multiple input-multiple output)
Bluetooth Special Interest Group (SIG)
open source software
ESSID (extended service set identifier)
39. On a network following the H.323 standard - any node that provides audio - visual - or data information to another node.
H.323 terminal
Server Manager
MEO (medium Earth orbiting)
two-way transitive trust
40. A proprietary implementation of the UNIX system distributed by IBM.
map
AIX
root domain
Linux
41. A streaming video - either on demand or live - that is delivered via the Web.
Webcast
Internet telephony
802.11n
fax gateway
42. A wireless signal or path that travels directly in a straight line from its transmitter to its intended receiver.
symmetric multiprocessing
access point
open source software
LOS (line-of-sight)
43. The brand of computer central processing unit invented by Apple Computer - IBM - and Motorola - Inc. - and used in IBM servers.
PowerPC
site survey
iwconfig
BSSID (basic service set identifier)
44. The characteristic of wireless signals that follow a number of different paths to their destination (for example - because of reflection - diffraction - and scattering).
branch
multipath
toll bypass
group
45. Currently - the most popular version of WiMAX. IEEE improved the mobility and QoS characteristics of the technology - making it better suited to VoIP and mobile phone users.
per seat
MGCP (Media Gateway Control Protocol)
802.16e
forest
46. A customizable - graphical network management interface introduced with Windows Server 2003 and incorporated in Window Server 2008's Server Manager.
MMC (Microsoft Management Console)
dial return
branch
MIMO (multiple input-multiple output)
47. A logical representation of a networked printer's functionality.
ESS (extended service set)
Linux
reassociation
printer queue
48. A type of wireless transmission in which signals travel over a single frequency or within a specified frequency range.
shell
account
narrowband
range
49. The memory that is logically carved out of space on the hard drive and added to physical memory (RAM).
user agent server
virtual memory
proxy server
X Window system
50. A file access protocol. It runs over TCP/IP and is the standard file access protocol used by Windows operating systems.
CIFS (Common Internet File System)
schema
Mac OS X Server
registrar server