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Test your basic knowledge |
Comptia Network + Wireless NOS Voip
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Subjects
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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 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
streaming video
DN (distinguished name)
UNIX
2. An attribute of an object that identifies the object separately from its related container(s) and domain.
CIFS (Common Internet File System)
fax gateway
RDN (relative distinguished name)
SIP (Session Initiation Protocol)
3. A private switch that accepts and interprets both analog and digital voice signals (although some IP-PBXs do not accept analog lines). It can connect with both traditional PSTN lines and data networks. |
site survey
IP-PBX
signaling
WLAN (wireless LAN)
4. 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
SMB (Server Message Block)
videoconferencing
domain controller
802.11b
5. A type of antenna that issues wireless signals along a single direction - or path.
beacon frame
printer queue
directional antenna
BSD (Berkeley Software Distribution)
6. An operating system's method of organizing - managing - and accessing its files through logical structures and software routines.
file system
virtual memory
root
thread
7. A logical representation of multiple - hierarchical levels in a directory.
SSID (service set identifier)
video-on-demand
Solaris
tree
8. A file system developed by Microsoft and used with its Windows NT - Windows 2000 Server - Windows Server 2003 - and Windows 2008 operating systems.
Webcast
LDAP (Lightweight Directory Access Protocol)
3-tier architecture
NTFS (New Technology File System)
9. 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.
directory
kernel
trust relationship
wireless broadband
10. In the context of wireless networking - an assessment of client requirements - facility characteristics - and coverage areas to determine an access point arrangement that will ensure reliable wireless connectivity within a given area.
namespace
replication
per user
site survey
11. A form of filename substitution - similar to the use of wildcards in Windows and DOS.
file globbing
uplink
BSD (Berkeley Software Distribution)
Server Manager
12. A customizable - graphical network management interface introduced with Windows Server 2003 and incorporated in Window Server 2008's Server Manager.
BSD (Berkeley Software Distribution)
spread spectrum
CSMA/CA (Carrier Sense Multiple Access with Collision Avoidance)
MMC (Microsoft Management Console)
13. In Microsoft terminology - a group of interconnected computers that share each others' resources without relying on a central file server.
workgroup
redirect server
man pages (manual pages)
WLAN (wireless LAN)
14. The description of object types - or classes - and their required and optional attributes that are stored in an NOS's directory.
DiffServ (Differentiated Service)
schema
unified messaging
hierarchical file system
15. A protocol used between media gateway controllers and media gateways. It is poised to replace MGCP on modern converged networks - as it supports a broader range of network technologies - including ATM. Also known as H.248.
MEGACO
VoDSL (voice over DSL)
object
ATA (analog telephone adapter)
16. A type of satellite Internet access service in which a subscriber sends and receives data to and from the Internet over the satellite link. This is a symmetrical technology - in which both upstream and downstream throughputs are advertised to reach 4
satellite return
per seat
beacon frame
MEGACO
17. A protocol that enables one system to access files on another system.
file access protocol
uplink
site license
Solaris
18. An access point that provides routing functions and is used as a gateway.
group
FHSS (frequency hopping spread spectrum)
wireless gateway
partition
19. A well-defined - self-contained subset of a process. U
uplink
distribution
branch
thread
20. A domain established within another domain in a Windows Server 2003 or Server 2008 domain tree.
IP telephone
RDN (relative distinguished name)
System V
child domain
21. In IEEE terminology - the identifier for a BSS (basic service set).
BSS (basic service set)
hot spot
BSSID (basic service set identifier)
DSSS (direct-sequence spread spectrum)
22. 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
fixed
fading
hot spot
23. A service that runs on a client workstation and determines whether the client's request should be handled by the client or the server.
redirector
per user
physical memory
command interpreter
24. The memory that is logically carved out of space on the hard drive and added to physical memory (RAM).
Internet telephony
satellite return
AF (Assured Forwarding)
virtual memory
25. In Microsoft terminology - the primary purpose of a Windows Server 2008 server.
role
downlink
beacon frame
EF (Expedited Forwarding)
26. A version of Linux packaged and distributed by Red Hat.
VoIP (voice over IP)
asymmetric multiprocessing
Fedora
RDN (relative distinguished name)
27. 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
kernel module
RTCP (Real-time Transport Control Protocol)
H.323 gateway
H.225
28. 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.
hierarchical file system
IP-PBX
LEO (low Earth orbiting)
UPN (user principal name)
29. An ITU standard that describes an architecture and a suite of protocols for establishing and managing multimedia services sessions on a packet-switched network.
H.323
wireless
CIFS (Common Internet File System)
802.11b
30. A type of wireless transmission in which signals travel over a single frequency or within a specified frequency range.
Administrator
DiffServ (Differentiated Service)
narrowband
proprietary UNIX
31. A 128-bit number generated and assigned to an object upon its creation in Active Directory.
channel bonding
schema
multitasking
GUID (globally unique identifier)
32. In Windows Server 2003 or Server 2008 networking - the single domain from which child domains branch out in a domain tree.
root domain
ESSID (extended service set identifier)
Server Manager
802.11g
33. The online documentation for any variety of the UNIX operating system. This documentation describes the use of the commands and the programming interface.
Server Manager
RTCP (Real-time Transport Control Protocol)
explicit one-way trust
man pages (manual pages)
34. The process of making a disk partition available.
probe
VoATM (voice over ATM)
dial return
mount
35. A UNIX service responsible for printing files placed in the printer queue by the lpr command.
explicit one-way trust
lpd (line printer daemon)
registrar server
hot spot
36. A standard protocol for accessing network directories.
proprietary UNIX
LDAP (Lightweight Directory Access Protocol)
access point
Server Manager
37. A proprietary NOS from Apple Computer that is based on a version of UNIX.
child domain
physical memory
redirector
Mac OS X Server
38. A protocol suite codified by the IETF (in RFC 2543) as a set of Session layer signaling and control protocols for multiservice - packet-based networks.
mobile
UNIX
SIP (Session Initiation Protocol)
member server
39. 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.
DC (domain component)
preemptive multitasking
member server
class
40. In the DiffServ QoS technique - a forwarding specification that allows routers to assign data streams one of several prioritization levels.
SMB (Server Message Block)
thread
DSSS (direct-sequence spread spectrum)
AF (Assured Forwarding)
41. A continuum of electromagnetic waves used for data and voice
WLAN (wireless LAN)
wireless spectrum
paging
signaling
42. The action of associating a disk - directory - or device with a drive letter.
BSD (Berkeley Software Distribution)
per seat
Bluetooth
map
43. A service that relies on a DSL connection to transmit packetized voice signals.
pipeline
pipe
wireless
VoDSL (voice over DSL)
44. 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).
H.323 gatekeeper
inherited
VoATM (voice over ATM)
softphone
45. 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.
narrowband
scanning
redirect server
active scanning
46. In 802.11 wireless networking - a type of frame issued by a station during active scanning to find nearby access points.
domain controller
proxy server
probe
workgroup
47. In the context of applications - a licensing mode that limits access to an application to specific users or workstations.
video-on-demand
SMB (Server Message Block)
active scanning
per seat
48. A service in which a video stored as an encoded file is delivered to a viewer upon his request.
member server
CIFS (Common Internet File System)
DC (domain component)
video-on-demand
49. A type of wireless system in which the locations of the transmitter and receiver are static.
dial return
fixed
infrastructure WLAN
forest
50. The exchange of information between the components of a network or system for the purposes of establishing - monitoring - or releasing connections as well as controlling system operations.
UPN (user principal name)
IP-PBX
signaling
mount
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