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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 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.
lpd (line printer daemon)
child domain
replication
partition
2. A logical receptacle for holding objects with similar characteristics or privileges in an NOS directory. Containers form the branches of the directory tree.
ESS (extended service set)
video over IP
OU (organizational unit)
file access protocol
3. 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
virtual memory
multiprocessing
physical memory
4. 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
branch
Bluetooth
scanning
5. On a network following the H.323 standard - any node that provides audio - visual - or data information to another node.
scattering
CSMA/CA (Carrier Sense Multiple Access with Collision Avoidance)
H.323 terminal
forest
6. A UNIX distribution that originated at the University of California at Berkeley.
BSD (Berkeley Software Distribution)
set top box
MGCP (Media Gateway Control Protocol)
page file
7. The brand of computer central processing unit invented by Apple Computer - IBM - and Motorola - Inc. - and used in IBM servers.
class
802.16
PowerPC
802.11a
8. 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
lpr
omnidirectional antenna
wireless spectrum
file system
9. In wireless networking - the process that describes a station moving between BSSs without losing connectivity.
range
thread
roaming
BSSID (basic service set identifier)
10. A multiprocessing method that assigns each subtask to a specific processor.
asymmetric multiprocessing
fading
Fedora
class
11. In Microsoft terminology - the type of client/server network that relies on domains - rather than workgroups.
domain model
domain controller
streaming video
LDAP (Lightweight Directory Access Protocol)
12. The IEEE standard for a wireless networking technique designed to be compatible with 802.11b while using different encoding techniques that allow it to reach a theoretical maximum capacity of 54 Mbps. It uses the 2.4-GHz frequency band.
omnidirectional antenna
802.11g
object
scanning
13. 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).
role
Bluetooth Special Interest Group (SIG)
DN (distinguished name)
kernel module
14. A logical representation of multiple - hierarchical levels in a directory.
tree
SPARC
fixed
AF (Assured Forwarding)
15. 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.
AF (Assured Forwarding)
hierarchical file system
roaming
H.245
16. A command-line utility for viewing and setting wireless interface parameters on Linux and UNIX workstations.
RTCP (Real-time Transport Control Protocol)
RSVP (Resource Reservation Protocol)
iwconfig
paging
17. An access point that provides routing functions and is used as a gateway.
H.323 terminal
Samba
site survey
wireless gateway
18. A telephone switch used to connect calls within a private organization.
reflection
signaling
member server
PBX (private branch exchange)
19. A telephone used for VoIP on a TCP/IP-based network.
namespace
GUID (globally unique identifier)
IP telephone
mount
20. The proprietary version of UNIX that comes from Bell Labs.
infrastructure WLAN
reflection
VoDSL (voice over DSL)
System V
21. A type of trust relationship in which two domains that belong to different NOS directory trees are configured to trust each other.
trust relationship
MIMO (multiple input-multiple output)
explicit one-way trust
VoIP (voice over IP)
22. 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
proxy server
shell
diffraction
RTS/CTS (Request to Send/Clear to Send)
23. The online documentation for any variety of the UNIX operating system. This documentation describes the use of the commands and the programming interface.
redirector
infrastructure WLAN
man pages (manual pages)
root
24. In the context of IPTV - a device that decodes digital video signals and issues them to the television.
video over IP
set top box
MEGACO
Administrator
25. In IEEE terminology - a group of stations that share an access point.
narrowband
Webcast
toll bypass
BSS (basic service set)
26. On a network following the H.323 standard - a gateway that provides translation between network devices running H.323 signaling protocols and devices running other types of signaling protocols (for example - SS7 on the PSTN).
H.245
user agent client
H.323 gateway
physical memory
27. A file access protocol. It runs over TCP/IP and is the standard file access protocol used by Windows operating systems.
LOS (line-of-sight)
IP-PBX
CIFS (Common Internet File System)
narrowband
28. A group of access points and associated stations (or basic service sets) connected to the same LAN.
IPTV (IP television)
CN (common name)
ESS (extended service set)
fax gateway
29. In LDAP naming conventions - the name of an object.
explicit one-way trust
partition
MEGACO
CN (common name)
30. A small (usually home) network composed of personal communications devices.
PAN (personal area network)
MGCP (Media Gateway Control Protocol)
NFS (Network File System)
wireless router
31. The GUI environment for UNIX and Linux systems.
H.245
file system
X Window system
H.225
32. A series of two or more commands in which the output of prior commands is sent to the input of subsequent commands.
GEO (geosynchronous orbit or geostationary orbit)
GNU
pipeline
Solaris
33. In the context of 802.11n wireless networking - the ability for access points to issue multiple signals to stations - thereby multiplying the signal's strength and increasing their range and data-carrying capacity.
H.245
access point
MIMO (multiple input-multiple output)
forest
34. A well-defined - self-contained subset of a process. U
per user
VoIP (voice over IP)
virtualization
thread
35. The signals made of electromagnetic energy that travel through the atmosphere.
wireless
explicit one-way trust
domain controller
child domain
36. A service that relies on a DSL connection to transmit packetized voice signals.
command interpreter
class
VoDSL (voice over DSL)
beacon frame
37. In Windows Server 2003 or Server 2008 networking - the single domain from which child domains branch out in a domain tree.
RTCP (Real-time Transport Control Protocol)
object
multiprocessing
root domain
38. A service that transmits faxes over a TCP/IP network.
H.245
3-tier architecture
FoIP (fax over IP)
inherited
39. A part of the organizational structure of an operating system's directory that contains objects or other organizational units.
Solaris
branch
DC (domain component)
map
40. An attribute of an object that identifies the object separately from its related container(s) and domain.
MEGACO
UPN (user principal name)
WLAN (wireless LAN)
RDN (relative distinguished name)
41. A protocol for communications and resource access between systems - such as clients and servers.
SIP (Session Initiation Protocol)
SMB (Server Message Block)
BSD (Berkeley Software Distribution)
ESS (extended service set)
42. The security relationship between domains in the same domain tree in which one domain grants every other domain in the tree access to its resources and - in turn - that domain can access other domains' resources.
two-way transitive trust
UPN (user principal name)
SSID (service set identifier)
Samba
43. The real-time reception and transmission of images and audio among two or more locations.
user agent server
video phone
videoconferencing
asymmetric multiprocessing
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
workgroup
pipe
RDN (relative distinguished name)
CSMA/CA (Carrier Sense Multiple Access with Collision Avoidance)
45. A streaming video - either on demand or live - that is delivered via the Web.
range
Active Directory
redirect server
Webcast
46. 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.
802.11a
distribution
MEGACO
namespace
47. A wireless networking standard that uses FHSS (frequency hopping spread spectrum) signaling in the 2.4-GHz band to achieve a maximum throughput of either 723 Kbps or 2.1 Mbps - depending on the version. IT was designed for use primarily with small of
probe
diffraction
LEO (low Earth orbiting)
Bluetooth
48. A method of multiprocessing that splits all operations equally among two or more processors.
IP-PBX
omnidirectional antenna
symmetric multiprocessing
leaf object
49. The nerve center for networks that adhere to H.323. IT authorize and authenticate terminals and gateways - manage bandwidth - and oversee call routing - accounting - and billing.
H.323 gatekeeper
wireless
thread
H.323 gateway
50. 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
channel bonding
access point
video phone
RTP (Real-time Transport Protocol)