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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 relative strength over a three-dimensional area of all the electromagnetic energy an antenna sends or receives.
thread
H.245
PAN (personal area network)
radiation pattern
2. A telephone used for VoIP on a TCP/IP-based network.
multipath
IP telephone
DC (domain component)
H.323 gateway
3. The signals made of electromagnetic energy that travel through the atmosphere.
wireless
probe
video phone
AF (Assured Forwarding)
4. The technique of splitting tasks among multiple processors to expedite the completion of any single instruction.
forest
BSS (basic service set)
per user
multiprocessing
5. 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.
wireless gateway
active scanning
inode (information node)
DN (distinguished name)
6. A freely distributable implementation of a UNIX-type of system. Finnish computer scientist Linus Torvalds originally developed it.
Linux
redirector
paging
domain model
7. A special identifier shared by BSSs that belong to the same ESS.
kernel
ESSID (extended service set identifier)
preemptive multitasking
lpr
8. The term used to describe software that is distributed with few restrictions and whose source code is freely available.
domain controller
FoIP (fax over IP)
open source software
virtualization
9. A type of permission - or right - that is passed down from one group (the parent) to a group within that group (the child).
virtual memory
PAN (personal area network)
inherited
IP telephone
10. A connection from an Earth-based transmitter to an orbiting satellite.
H.323 gateway
uplink
root
command interpreter
11. A type of phone that includes a screen and can decode compressed video and interpret transport and signaling protocols necessary for conducting videoconference sessions.
VoDSL (voice over DSL)
video phone
Fedora
kernel module
12. A proprietary implementation of the UNIX system distributed by IBM.
per user
AIX
softphone
Bluetooth Special Interest Group (SIG)
13. In LDAP naming conventions - the name of any one of the domains to which an object belongs.
DC (domain component)
EF (Expedited Forwarding)
Samba
multitasking
14. 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.
VoATM (voice over ATM)
explicit one-way trust
softphone
site survey
15. A 128-bit number generated and assigned to an object upon its creation in Active Directory.
GUID (globally unique identifier)
virtual memory
802.11g
MEO (medium Earth orbiting)
16. The diffusion of a wireless signal that results from hitting an object that has smaller dimensions compared to the signal's wavelength.
probe
kernel
scattering
leaf object
17. A service that runs on a client workstation and determines whether the client's request should be handled by the client or the server.
trust relationship
ATA (analog telephone adapter)
redirector
spread spectrum
18. In the DiffServ QoS technique - a forwarding specification that allows routers to assign data streams one of several prioritization levels.
wireless router
AF (Assured Forwarding)
roaming
IPTV (IP television)
19. A form of filename substitution - similar to the use of wildcards in Windows and DOS.
DC (domain component)
file globbing
beacon frame
wireless spectrum
20. In the context of wireless networking - the process of a station establishing a connection (or associating) with a different access point.
reassociation
pipe
Bluetooth Special Interest Group (SIG)
probe
21. A type of antenna that issues wireless signals along a single direction - or path.
directional antenna
file system
domain controller
RTS/CTS (Request to Send/Clear to Send)
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
per seat
symmetric multiprocessing
streaming video
23. An object in an operating system's directory - such as a printer or user - that does not contain other objects.
leaf object
site license
file access protocol
wireless broadband
24. A type of wireless transmission in which lower-level signals are distributed over several frequencies simultaneously.
site survey
UPN (user principal name)
spread spectrum
MMC (Microsoft Management Console)
25. In the context of applications - a licensing mode that limits access to an application to specific users or workstations.
class
NTFS (New Technology File System)
FoIP (fax over IP)
per seat
26. The capability for operating multiple logical servers
LEO (low Earth orbiting)
proxy server
virtualization
3-tier architecture
27. A type of wireless system in which the receiver can be located anywhere within the transmitter's range. This allows the receiver to roam from one place to another while continuing to pick up its signal.
station
inherited
mobile
fax gateway
28. A connection from an orbiting satellite to an Earth-based receiver.
CIFS (Common Internet File System)
802.11n
downlink
ATA (analog telephone adapter)
29. 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
Samba
reflection
30. 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.
RSVP (Resource Reservation Protocol)
signaling
BSD (Berkeley Software Distribution)
AF (Assured Forwarding)
31. The computer instructions written in a programming language that is readable by humans.
class
Mac OS X Server
source code
NFS (Network File System)
32. A logical representation of a networked printer's functionality.
802.11a
video phone
domain tree
printer queue
33. A standard protocol for accessing network directories.
802.11a
dial return
domain controller
LDAP (Lightweight Directory Access Protocol)
34. A service in which a video stored as an encoded file is delivered to a viewer upon his request.
Administrator
class
object
video-on-demand
35. 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
RTP (Real-time Transport Protocol)
inherited
directional antenna
PBX (private branch exchange)
36. A group of access points and associated stations (or basic service sets) connected to the same LAN.
3-tier architecture
ESS (extended service set)
ESSID (extended service set identifier)
hot spot
37. A representation of a thing or person associated with the network that belongs in the NOS directory.
reassociation
object
attribute
VoATM (voice over ATM)
38. A command-line utility for viewing and setting wireless interface parameters on Linux and UNIX workstations.
domain model
iwconfig
Active Directory
lpd (line printer daemon)
39. A group of hierarchically arranged domains that share a common namespace in the Windows Server 2003 or Server 2008 Active Directory.
map
asymmetric multiprocessing
reflection
domain tree
40. A type of wireless LAN in which stations communicate directly with each other (rather than using an access point).
GNU
ad hoc
Administrator
Fedora
41. A type of trust relationship in which two domains that belong to different NOS directory trees are configured to trust each other.
mobile
SPARC
explicit one-way trust
hierarchical file system
42. 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).
two-way transitive trust
softphone
directory
schema
43. A variable property associated with a network object. For example - a restriction on the time of day a user can log on is an attribute associated with that user object.
attribute
RTCP (Real-time Transport Control Protocol)
AF (Assured Forwarding)
proprietary UNIX
44. 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
Internet telephony
open source software
two-way transitive trust
proxy server
45. In the context of wireless networking - a frame issued by an access point to alert other nodes of its existence.
mobile
domain model
directory
beacon frame
46. A UNIX or Linux file system information storage area that holds all details about a file. This information includes the size - the access rights - the date and time of creation - and a pointer to the actual contents of the file.
user agent client
toll bypass
inode (information node)
directory
47. A service in which video signals are compressed and delivered over the Internet in a continuous stream so that a user can watch and listen even before all the data has been transmitted.
UPN (user principal name)
DSSS (direct-sequence spread spectrum)
virtualization
streaming video
48. 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.
redirector
UPN (user principal name)
MEO (medium Earth orbiting)
RSVP (Resource Reservation Protocol)
49. A type of wireless transmission in which signals travel over a single frequency or within a specified frequency range.
narrowband
member server
workgroup
WLAN (wireless LAN)
50. A user account that has unlimited privileges to resources and objects managed by a server or domain.
access point
SPARC
Administrator
mobile