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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. An access point that provides routing functions.
wireless router
shell
H.323 zone
LDAP (Lightweight Directory Access Protocol)
2. A technique for ensuring QoS by prioritizing traffic.
infrastructure WLAN
H.225
set top box
DiffServ (Differentiated Service)
3. 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
user agent client
hot spot
GUI (graphical user interface)
CSMA/CA (Carrier Sense Multiple Access with Collision Avoidance)
4. A 128-bit number generated and assigned to an object upon its creation in Active Directory.
GUID (globally unique identifier)
Fedora
two-way transitive trust
beacon frame
5. A small (usually home) network composed of personal communications devices.
PAN (personal area network)
video phone
asymmetric multiprocessing
symmetric multiprocessing
6. The relative strength over a three-dimensional area of all the electromagnetic energy an antenna sends or receives.
multitasking
radiation pattern
infrastructure WLAN
hierarchical file system
7. A popular remote file system created by Sun Microsystems - and available for UNIX and Linux operating systems.
H.323 gatekeeper
NFS (Network File System)
H.323 terminal
pipeline
8. A type of antenna that issues wireless signals along a single direction - or path.
root domain
H.323 terminal
directional antenna
branch
9. A service that relies on a DSL connection to transmit packetized voice signals.
IPTV (IP television)
role
VoDSL (voice over DSL)
BSD (Berkeley Software Distribution)
10. A file access protocol. It runs over TCP/IP and is the standard file access protocol used by Windows operating systems.
IP telephone
child domain
CIFS (Common Internet File System)
ad hoc
11. 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.
802.16e
MMC (Microsoft Management Console)
replication
access point
12. 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.
Linux
H.225
preemptive multitasking
802.11n
13. In the DiffServ QoS technique - a forwarding specification that assigns each data stream a minimum departure rate from a given node. This technique circumvents delays that slow normal data from reaching its destination on time and in sequence.
EF (Expedited Forwarding)
forest
page file
System V
14. 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.
middleware
roaming
redirect server
H.225
15. 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
uplink
physical memory
omnidirectional antenna
explicit one-way trust
16. A program (usually text-based) that accepts and executes system programs and applications on behalf of users. Often - it includes the ability to execute a series of instructions that are stored in a file.
Mac OS X Server
command interpreter
downlink
SIP (Session Initiation Protocol)
17. Any type of video service - including IPTV - videoconferencing - and streaming video - that delivers video signals over packet-switched networks using the TCP/IP protocol suite.
video over IP
multipath
station
lpd (line printer daemon)
18. An object in an operating system's directory - such as a printer or user - that does not contain other objects.
domain controller
reassociation
leaf object
object
19. A Transport layer protocol used with voice and video transmission. It operates on top of UDP and provides information about packet sequence to help receiving nodes detect delay and packet loss. It also assigns packets a timestamp that corresponds to
site license
paging
FoIP (fax over IP)
RTP (Real-time Transport Protocol)
20. In the context of wireless - the phenomenon that occurs when an electromagnetic wave encounters an obstacle and bounces back toward its source.
mount
MEO (medium Earth orbiting)
MGCP (Media Gateway Control Protocol)
reflection
21. A type of wireless system in which the locations of the transmitter and receiver are static.
directory
PowerPC
fixed
proxy server
22. The technique of splitting tasks among multiple processors to expedite the completion of any single instruction.
multiprocessing
802.11g
scattering
kernel module
23. The GUI environment for UNIX and Linux systems.
printer queue
X Window system
reassociation
child domain
24. An IEEE standard for wireless MANs. Its networks may use frequencies between 2 and 66 GHz. Their antennas may operate in a line-of-sight or non-line-of-sight manner and cover 50 kilometers (or approximately 30 miles). Its connections can achieve a ma
802.16
MIMO (multiple input-multiple output)
FHSS (frequency hopping spread spectrum)
H.323
25. The method for organizing and managing objects associated with the network in the Windows Server 2003 and Server 2008 NOSs.
probe
group
namespace
Active Directory
26. The action of associating a disk - directory - or device with a drive letter.
open source software
root
map
directional antenna
27. As specified in RFC 2205 - a QoS technique that attempts to reserve a specific amount of network resources for a transmission before the transmission occurs.
RSVP (Resource Reservation Protocol)
802.11n
set top box
inherited
28. 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
omnidirectional antenna
diffraction
paging
virtual memory
29. 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.
mobile
printer queue
GEO (geosynchronous orbit or geostationary orbit)
redirector
30. The geographical area in which signals issued from an antenna or wireless system can be consistently and accurately received.
range
middleware
H.323
multipath
31. A domain established within another domain in a Windows Server 2003 or Server 2008 domain tree.
OU (organizational unit)
child domain
multitasking
MEGACO
32. An operating system's method of organizing - managing - and accessing its files through logical structures and software routines.
VoDSL (voice over DSL)
toll bypass
MIMO (multiple input-multiple output)
file system
33. 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).
hot spot
wireless broadband
DN (distinguished name)
3-tier architecture
34. An access point that provides routing functions and is used as a gateway.
uplink
wireless gateway
lpd (line printer daemon)
two-way transitive trust
35. A licensing mode that allows a fixed quantity of clients to use one software package simultaneously.
per user
account
GNU
toll bypass
36. 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
object
802.11n
OU (organizational unit)
PowerPC
37. A form of filename substitution - similar to the use of wildcards in Windows and DOS.
LOS (line-of-sight)
Internet telephony
file globbing
802.11a
38. An area of a computer's hard drive that is logically defined and acts as a separate disk drive.
trust relationship
branch
PAN (personal area network)
partition
39. In Windows Server 2003 or Server 2008 networking - the single domain from which child domains branch out in a domain tree.
RSVP (Resource Reservation Protocol)
root domain
scanning
shell
40. A LAN that uses wireless connections for some or all of its transmissions.
IP-PBX
WLAN (wireless LAN)
MEO (medium Earth orbiting)
LEO (low Earth orbiting)
41. 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.
hot spot
virtual memory
dial return
802.16e
42. The centralized management of multiple types of network-based communications - such as voice - video - fax - and messaging services.
Bluetooth Special Interest Group (SIG)
H.225
passive scanning
unified messaging
43. A streaming video - either on demand or live - that is delivered via the Web.
Webcast
RTS/CTS (Request to Send/Clear to Send)
mount
uplink
44. 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.
kernel
distribution
CIFS (Common Internet File System)
Samba
45. The term used to describe software that is distributed with few restrictions and whose source code is freely available.
open source software
user agent server
DSSS (direct-sequence spread spectrum)
ext3
46. The online documentation for any variety of the UNIX operating system. This documentation describes the use of the commands and the programming interface.
CN (common name)
IP-PBX
man pages (manual pages)
downlink
47. A protocol used for communication between media gateway controllers and media gateways.
FoIP (fax over IP)
ext3
per user
MGCP (Media Gateway Control Protocol)
48. 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
channel bonding
narrowband
inherited
forest
49. A protocol that enables one system to access files on another system.
MEO (medium Earth orbiting)
X Window system
Active Directory
file access protocol
50. Another term for the UNIX command interpreter.
per user
shell
diffraction
open source software