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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. A group of users - servers - and other resources that share account and security policies through a Windows Server 2003 or Server 2008 NOS.
video phone
domain
802.11g
PBX (private branch exchange)
2. In Microsoft terminology - a group of interconnected computers that share each others' resources without relying on a central file server.
Samba
workgroup
active scanning
mobile
3. A service that runs on a client workstation and determines whether the client's request should be handled by the client or the server.
FoIP (fax over IP)
domain model
X Window system
redirector
4. In 802.11 wireless networking - a type of frame issued by a station during active scanning to find nearby access points.
middleware
group
ext3
probe
5. On a network following the H.323 standard - any node that provides audio - visual - or data information to another node.
domain controller
AF (Assured Forwarding)
RTS/CTS (Request to Send/Clear to Send)
H.323 terminal
6. 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.
active scanning
AF (Assured Forwarding)
set top box
dial return
7. A type of permission - or right - that is passed down from one group (the parent) to a group within that group (the child).
registrar server
inherited
roaming
WLAN (wireless LAN)
8. A Windows Server 2003 or Server 2008 computer that contains a replica of the Active Directory database.
role
LEO (low Earth orbiting)
domain controller
per seat
9. 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
802.16e
proxy server
member server
GUID (globally unique identifier)
10. 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.
fading
proprietary UNIX
LOS (line-of-sight)
MGC (media gateway controller)
11. An area covered by a wireless access point that provides visitors with wireless services - including Internet access.
UPN (user principal name)
hot spot
redirector
branch
12. A wireless signal or path that travels directly in a straight line from its transmitter to its intended receiver.
CIFS (Common Internet File System)
kernel
LOS (line-of-sight)
VoIP (voice over IP)
13. A form of filename substitution - similar to the use of wildcards in Windows and DOS.
UNIX
file globbing
ATA (analog telephone adapter)
group
14. A service in which a video stored as an encoded file is delivered to a viewer upon his request.
Webcast
BSSID (basic service set identifier)
802.16e
video-on-demand
15. A device used on wireless LANs that transmits and receives wireless signals to and from multiple nodes and retransmits them to the rest of the network segment. Those can connect a group of nodes with a network or two networks with each other. They ma
multiprocessing
access point
MCU (multipoint control unit)
CIFS (Common Internet File System)
16. 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.
AIX
hierarchical file system
open source software
VoIP (voice over IP)
17. 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.
domain model
MGCP (Media Gateway Control Protocol)
uplink
two-way transitive trust
18. In the context of Windows Server 2003 or Server 2008 - a collection of domain trees that use different namespaces. It allows for trust relationships to be established between trees.
dial return
forest
FHSS (frequency hopping spread spectrum)
EF (Expedited Forwarding)
19. A nonprofit industry association that owns the UNIX trademark.
workgroup
The Open Group
EF (Expedited Forwarding)
kernel module
20. In Windows Server 2003 or Server 2008 networking - the single domain from which child domains branch out in a domain tree.
roaming
root domain
map
kernel
21. 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.
user agent server
domain tree
replication
mount
22. A unique character string used to identify an access point on an 802.11 network.
site license
file access protocol
kernel
SSID (service set identifier)
23. The real-time reception and transmission of images and audio among two or more locations.
pipeline
AIX
videoconferencing
object
24. The name given to the public software project to implement a complete - free source code implementation of UNIX. It also refers to the collection of UNIX-inspired utilities and tools that are included with Linux distributions.|
H.323
multitasking
GNU
directory
25. 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.
CSMA/CA (Carrier Sense Multiple Access with Collision Avoidance)
directory
physical memory
mobile
26. The characteristic of wireless signals that follow a number of different paths to their destination (for example - because of reflection - diffraction - and scattering).
MIMO (multiple input-multiple output)
video phone
MCU (multipoint control unit)
multipath
27. The GUI environment for UNIX and Linux systems.
file system
X Window system
reassociation
fax gateway
28. 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.
page file
SPARC
PowerPC
site survey
29. The relative strength over a three-dimensional area of all the electromagnetic energy an antenna sends or receives.
file globbing
radiation pattern
forest
H.323 gateway
30. A UNIX service responsible for printing files placed in the printer queue by the lpr command.
lpd (line printer daemon)
virtual memory
MCU (multipoint control unit)
uplink
31. 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.
UPN (user principal name)
channel bonding
VoIP (voice over IP)
DC (domain component)
32. A type of trust relationship in which two domains that belong to different NOS directory trees are configured to trust each other.
H.323
802.11g
explicit one-way trust
two-way transitive trust
33. A 128-bit number generated and assigned to an object upon its creation in Active Directory.
GUID (globally unique identifier)
softphone
directional antenna
roaming
34. An area of a computer's hard drive that is logically defined and acts as a separate disk drive.
Fedora
partition
redirect server
Administrator
35. A logical representation of a networked printer's functionality.
fading
station
printer queue
DiffServ (Differentiated Service)
36. A technique for ensuring QoS by prioritizing traffic.
DiffServ (Differentiated Service)
user agent client
VoDSL (voice over DSL)
active scanning
37. A type of wireless system in which the locations of the transmitter and receiver are static.
directional antenna
domain
fixed
lpr
38. Any implementation of UNIX for which the source code is either unavailable or available only by purchasing a licensed copy from Novell (costing as much as millions of dollars).
toll bypass
System V
virtual memory
proprietary UNIX
39. 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)
man pages (manual pages)
kernel module
IP telephone
40. A service that relies on a DSL connection to transmit packetized voice signals.
VoDSL (voice over DSL)
GUI (graphical user interface)
H.245
attribute
41. 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)
VoATM (voice over ATM)
channel bonding
workgroup
42. A special identifier shared by BSSs that belong to the same ESS.
ESSID (extended service set identifier)
inode (information node)
LEO (low Earth orbiting)
DC (domain component)
43. 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
file globbing
H.323 gatekeeper
proprietary UNIX
802.11b
44. A protocol for communications and resource access between systems - such as clients and servers.
site survey
SMB (Server Message Block)
BSSID (basic service set identifier)
AIX
45. A character that enables you to combine existing commands to form new commands.
pipe
ATA (analog telephone adapter)
page file
scattering
46. A computer that provides support for multiple H.323 terminals (for example - several workstations participating in a videoconference) and manages communication between them.
mount
proxy server
UPN (user principal name)
MCU (multipoint control unit)
47. In Microsoft terminology - the type of client/server network that relies on domains - rather than workgroups.
domain model
MMC (Microsoft Management Console)
802.16
Linux
48. A pictorial representation of computer functions and elements that - in the case of NOSs - enables administrators to more easily manage files - users - groups - security - printers - and other issues.
GUI (graphical user interface)
wireless
distribution
LEO (low Earth orbiting)
49. The description of object types - or classes - and their required and optional attributes that are stored in an NOS's directory.
group
virtual memory
schema
proxy server
50. A proprietary implementation of the UNIX operating system by Sun Microsystems.
IP telephone
AF (Assured Forwarding)
Solaris
3-tier architecture