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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. In the context of applications - a licensing mode that limits access to an application to specific users or workstations.
virtualization
FoIP (fax over IP)
RSVP (Resource Reservation Protocol)
per seat
2. 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
ESSID (extended service set identifier)
shell
System V
diffraction
3. The action of associating a disk - directory - or device with a drive letter.
CN (common name)
active scanning
map
H.323 gateway
4. In general - a listing that organizes resources and correlates them with their properties. In the context of NOSs - a method for organizing and managing objects.
pipeline
FHSS (frequency hopping spread spectrum)
System V
directory
5. 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.
videoconferencing
CSMA/CA (Carrier Sense Multiple Access with Collision Avoidance)
PAN (personal area network)
802.11g
6. A standard protocol for accessing network directories.
Solaris
association
802.16
LDAP (Lightweight Directory Access Protocol)
7. An end node on a network; used most often in the context of wireless networks. transponder
station
beacon frame
Webcast
preemptive multitasking
8. 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.
ad hoc
hierarchical file system
fixed
domain controller
9. The RAM chips installed on the computer's system board that provide dedicated memory to that computer.
physical memory
Linux
802.16
user agent server
10. A series of two or more commands in which the output of prior commands is sent to the input of subsequent commands.
multitasking
file access protocol
probe
pipeline
11. A group of hierarchically arranged domains that share a common namespace in the Windows Server 2003 or Server 2008 Active Directory.
domain tree
scanning
namespace
probe
12. 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)
802.16
MMC (Microsoft Management Console)
ESS (extended service set)
13. 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
3-tier architecture
802.11b
redirector
H.225
14. In IEEE terminology - a group of stations that share an access point.
802.11n
dial return
BSS (basic service set)
streaming video
15. 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.
VoIP (voice over IP)
per seat
H.323 gatekeeper
satellite return
16. In LDAP naming conventions - the name of any one of the domains to which an object belongs.
DC (domain component)
mobile
per user
group
17. The complete database of hierarchical names (including host and domain names) used to resolve IP addresses with their hosts.
MCU (multipoint control unit)
ad hoc
IPTV (IP television)
namespace
18. A telephone switch used to connect calls within a private organization.
SIP (Session Initiation Protocol)
MIMO (multiple input-multiple output)
PBX (private branch exchange)
fax gateway
19. A type of wireless transmission in which signals travel over a single frequency or within a specified frequency range.
H.245
BSS (basic service set)
narrowband
RDN (relative distinguished name)
20. 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.
file globbing
diffraction
IPTV (IP television)
802.16e
21. The capability for operating multiple logical servers
partition
Fedora
open source software
virtualization
22. A streaming video - either on demand or live - that is delivered via the Web.
virtual memory
Webcast
multitasking
RTP (Real-time Transport Protocol)
23. A representation of a thing or person associated with the network that belongs in the NOS directory.
user agent server
VoIP (voice over IP)
object
streaming video
24. The relationship between two domains on a Windows Server 2003 or Server 2008 network that allows a domain controller from one domain to authenticate users from the other domain.
domain tree
trust relationship
distribution
paging
25. 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)
MMC (Microsoft Management Console)
SMB (Server Message Block)
lpd (line printer daemon)
26. In 802.11 wireless networking - a type of frame issued by a station during active scanning to find nearby access points.
Bluetooth
probe
active scanning
AIX
27. A telephone used for VoIP on a TCP/IP-based network.
IP telephone
range
inode (information node)
domain
28. 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.
GNU
thread
command interpreter
DC (domain component)
29. The method for organizing and managing objects associated with the network in the Windows Server 2003 and Server 2008 NOSs.
replication
Active Directory
802.16
page file
30. A logical representation of a networked printer's functionality.
command interpreter
printer queue
CIFS (Common Internet File System)
MMC (Microsoft Management Console)
31. On a SIP network - a server that maintains a database containing information about the locations (network addresses) of each user agent in its domain. When a user agent joins a SIP network - it transmits its location information to the SIP registrar
registrar server
kernel module
H.323 terminal
LOS (line-of-sight)
32. A type of wireless transmission in which lower-level signals are distributed over several frequencies simultaneously.
iwconfig
spread spectrum
The Open Group
WLAN (wireless LAN)
33. The centralized management of multiple types of network-based communications - such as voice - video - fax - and messaging services.
FoIP (fax over IP)
trust relationship
CSMA/CA (Carrier Sense Multiple Access with Collision Avoidance)
unified messaging
34. A 128-bit number generated and assigned to an object upon its creation in Active Directory.
GUID (globally unique identifier)
multipath
EF (Expedited Forwarding)
MGC (media gateway controller)
35. 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
VoDSL (voice over DSL)
partition
radiation pattern
omnidirectional antenna
36. A change in a wireless signal's strength as a result of some of the electromagnetic energy being scattered - reflected - or diffracted after being issued by the transmitter.
ATA (analog telephone adapter)
fixed
redirector
fading
37. A type of antenna that issues wireless signals along a single direction - or path.
SPARC
directional antenna
RTCP (Real-time Transport Control Protocol)
RTS/CTS (Request to Send/Clear to Send)
38. In Microsoft terminology - the primary purpose of a Windows Server 2008 server.
EF (Expedited Forwarding)
virtual memory
role
radiation pattern
39. In the context of wireless networking - the communication that occurs between a station and an access point to enable the station to connect to the network via that access point.
roaming
WLAN (wireless LAN)
association
site license
40. A companion protocol to RTP - defined in RFC 3550 by the IETF - RTCP provides feedback on the quality of a call or videoconference to its participants.
passive scanning
access point
RTCP (Real-time Transport Control Protocol)
GEO (geosynchronous orbit or geostationary orbit)
41. A type of object recognized by an NOS directory and defined in an NOS schema.
class
EF (Expedited Forwarding)
asymmetric multiprocessing
wireless spectrum
42. 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
MCU (multipoint control unit)
directory
802.11b
thread
43. In SIP terminology - end-user devices such as workstations - PDAs - cell phones - or IP telephones. It initiates a SIP connection.
NFS (Network File System)
user agent client
The Open Group
registrar server
44. A service in which television signals from broadcast or cable networks travel over packet-switched networks.
IPTV (IP television)
file globbing
printer queue
unified messaging
45. A consortium of companies - including Sony Ericsson - Intel - Nokia - Toshiba - and IBM - that formally banded together in 1998 to refine and standardize Bluetooth technology.
multipath
ATA (analog telephone adapter)
unified messaging
Bluetooth Special Interest Group (SIG)
46. The process a wireless station undergoes to find an access point.
MIMO (multiple input-multiple output)
scanning
softphone
hierarchical file system
47. The GUI environment for UNIX and Linux systems.
MCU (multipoint control unit)
X Window system
OU (organizational unit)
802.11n
48. A nonprofit industry association that owns the UNIX trademark.
The Open Group
IP telephone
man pages (manual pages)
802.11a
49. 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.
MGC (media gateway controller)
AF (Assured Forwarding)
redirect server
CSMA/CA (Carrier Sense Multiple Access with Collision Avoidance)
50. A Windows Server 2003 or Server 2008 computer that contains a replica of the Active Directory database.
domain controller
file system
FoIP (fax over IP)
workgroup