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Test your basic knowledge |
CCNA Network Fundamentals Vocab
Start Test
Study First
Subjects
:
cisco
,
it-skills
,
ccna
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 limited CLI mode where the commands available to the user are a subset of those available at the privileged level. In general - use the user Exec commands to temporarily change terminal settings - perform basic tests and list system information.
user executive mode
switch
Mail user agent
broadcast domain
2. Defines which wires in a cable should connect to each pin on the connectors on both ends of a cable. For example - a UTP cable used for ethernet - used for a straight-through cable pinout - connects the wire at pin 1 on one end with the pin 1 on the
virtual circuit
broadcast domain
pinout
fragmentation
3. An internet wide system by which a hierarchical set of DNS servers collectively hold all the name IP address mappings - with DNS servers referring users to the correct DNS server to successfully resolve a DNS name.
network
instant messaging
broadcast
domain name system
4. 1.collection of computers - printers - routers - switches - and other devices that can communication with each other over some transmission medium. 2. command that assgins a NIC based address to which the router is directly connected.
unshieled twisted-pair
network
global configuration mod
ACK
5. A part of a computer network that every device communicates with using the same physical medium. Network segments are extended by hubs or repeaters.
router protocol
network segment
physical address
TCP/IP
6. In ethernet - the results of two nodes transmitting simlutaneously. The signals from each device are damaged when they combine on the media
collision
dynamic or private ports
slash format
bit
7. The number of various unique digits - including 0 that a positional number system uses to represent numbers. For example - in the binary system (base 2) the radix is 2. In the decimal system the radix is 10.
port
round-trip time
hierarchical addressing
radix
8. A form of signal modulation where the message information is encoded in the amplitude of series of signal pulses. It transmits data by varying the aplitunes of the individual pulses. This is now obsolete and has been replaced by pulse code modulation
hierarchical addressing
round-trip time
convergence
pulse amplitude modulation
9. Data that directs a process. a flag in a data-link frame is an example of control data.
media independent
Thicknet
authoritative
control data
10. In networking - a general term referring to any energy signal on a transmission medium that is not part of the signal used to transmit data over that medium.
host address
connectionless
radix
noise
11. A host or node that participates in some form of a group. For example - p2p technology defines a group of peers that participate jointly in the same activity - each one having a server and client component.
slash format
scope
peer
layered model
12. A group of devices associated by the arrangement of a hierarchial addressing scheme. Devices in the same logical network that share a common network portion of their Layer 3 addresses.
carrier sense multiple access collision detect (CSMA/CD)
RJ-45
logical network
4b/5b
13. A number used in the 802.11 header to specify the session between a wireless client and the access point.
media independent
association identity AID
Pad
local area network
14. A type of hash function that is used to produce a small - fixed size checksum of a block of data - such as a packet or a computer file. A CRC is computed and appended before transmission or storage - and verified afterward by the recipient to confirm
acknowledgment number
plug-in
broadcast address
cyclic redundancy check
15. The process of obscuring information to make it unreadable without special knowledge - somtimes referred to as scrambling. The process takes the data to be encrypted and applies a mathematical formula to it along with a secret number. The resulting v
media-dependent interface (MDI)
encryption
IP
dynamic routing
16. A unit of measurement of the number of times 1000 bits can be transmitted in 1 second. 1 kbps = 1000bps
FIN
kilobits per second
ACK
convergence
17. A common name for ethernet technology that operates at 100 mbps.
TCP/IP
dns resolver
fast ethernet
collision domain
18. A plan - design or program of action to be followed. Sometimes an addressing plan is called an addressing SCHEME.
scheme
download
segmentation
SYN
19. Somtimes called place-value notation - this is a numeral system in which each position is related to the next by a constant multiplier - a common ration - called the base or radix of that numeral system.
positional notation
transparent bridging
hop
Network time protocol
20. The header defined by the IP. Used to create IP packets by encapsulating data supplied by higher-layer protocol (such as TCP) behind an IP header.
dns resolver
IP header
Optical time domain reflectometer
shielded twisted pair cable
21. This field of a frame signals the beginning or end of a frame.
pinout
delimiter
ACK
flash
22. A map of the devices on a network representing how the devices communcate with each other.
logical topology
directly connected network
query
physical topology
23. Real-time communication between two or more people through text. The text is conveyed through computers connected over a network such as the internet. files can also be transferred through the IM program to share files.
physical media
firewall
jam signal
instant messaging
24. A corporate system such as a website that is explicitly used by internal employees. Can be assessed internally or remotely
test-net address
download
intranet
reserved link-local addresses
25. A time period between ethernet frames that allows fairness with the CSMA/CD algorithm. Without a space between frames in other words - without some time with no frames being sent a NIC might always listen for silence - never hear silence and therefor
interframe spacing
enable password
limited scope address
router
26. The bit position in a binary number having the greatest value. The most significant bit is sometime referred to as the leftmost bit.
media-dependent interface crossover
cache
most significant bit
physical address
27. A related set of communications transactions between two or more network devices.
hop
domain name system
session
window size
28. Data link layer term describing a device connected to a network.
binary
node
collaborative
switch
29. Radio frequencies that creat noise that interferes with information being transmitted across unshielded copper cabling.
hierarchical addressing
interframe spacing
radio frequency interference
pulse amplitude modulation
30. A 1-bit field in the TCP header that is used by a device that wants to terminate its session with the other device. This is done by inserting the FIN flag in the flag field found in the TCP segment
radio frequency interference
classful addressing
burned in address
FIN
31. A network with a geographic size between a LAN and a WAN. Typically used by service providers to create a highspeed network in a major metropolitan area where many customers might want high speed services between large sites around a city.
session
metropolitan-area network
hierarchical addressing
symmetric switching
32. The largest IP packet size allowed to be sent out a particular interface. Ethernet interfaces default to an MTU of 1500 because the data field of an Ethernet frame should be limited to 1500 bytes - and the IP packet sits inside the ethernet frame's d
signal
dynamic host configuration protocol
maximum transmission unit
thinnet
33. Also known as boolean algebra. These consist of the AND OR and IF operations
digital logic
protocol
end device
packet
34. A device on a network that serves as an access point to other networks. A default gateway is used by a host to forward IP packets that have destination addresses outside the local subnet. A router interface typically is used as the default gateway. W
Interpret as command
forwarding
channel service unit/data service unit
default gateway
35. Devices at the user end of a user-network interface that serves as a data source - destination or both. DTE connects to a data network through a DCE device and typically uses clocking signals generated by the DCE. DTE includes such devices as compute
metropolitan-area network
data termianl equipment
RST
Internet Assigned Numbers Authority
36. A layer 4 protocl of TCP/IP model - TCP lets applications guarantee delivery of data across a network.
TCP
well known ports
interframe spacing
address pool
37. The client part of the DNS client server mechanism. A DNS resolver creates queries sent a across a network to a same server - interprets responses - and returns information to the requesting programs.
physical media
goodput
dns resolver
fast ethernet
38. A protocol that allows a computer to retrieve email from a server.
post office protocol
hypertext transfer protocol
encryption
logical network
39. From the priviledged mode - you can enter the device's global caonfiguration mode. From global configuration mode - you can configure global parameters or enter other configuration submodes such as interface - router and line configuration submodes.
fragmentation
global configuration mod
locally administered address
link-local address
40. The design on networks that can continue to operate without interruption in the case of hardware - software or communications failures.
control data
virtual circuit
fault tolerance
gateway
41. MDIX is an alternative operation of ethernet ports on a hub. In this mode - the mapping of the wire pairs used in the hub port is in a crossover configuration. This allows you to use a straight-through cable to interconnect the hub to another hub.
fiber optics
network segment
MAC table
media-dependent interface crossover
42. Application-level throughput. It is the number of useful bits per unit of time from a certain source address to a certain destination - excluding protocol overhead and excluding retransmitted data packets.
encryption
Internet
syntax
goodput
43. DNS data records. Their precise format is defined in RFC 1035. The most important fields in a resource record are Name - class - type and data.
physical media
resource records
physical address
carrier
44. A request for information. Queries are answered with replies.
query
deterministic
classless addressing
slash format
45. A port on cisco devices to which a terminal or computer with a terminal emulator is connected to the network device in order to communicate and configure the network device
full duplex
subnet
Pad
console port
46. The glass fibers inside certain cables over which light is transmitted to encode 0 and 1
subnet
maximum transmission unit
router protocol
fiber optics
47. Program used to download and send email. Email clients use POP3 to receive emails and use SMTP to send emails. Also called an email client
Mail user agent
media-dependent interface crossover
PSH
asynchronous
48. Resources used to manage or operate the network. Overhead consumes bandwidth and reduces the amount of application data that can be transported across the network.
octet
global configuration mod
overhead
redundancy
49. The MAC algorithm used by ethernet devices in a shared media. The protocol requires a node wishing to transmit to listen for a carrier signal before trying to send. If a carrier is sensed - the node waits for transmission in progress to finish before
carrier sense multiple access collision detect (CSMA/CD)
ACK
prviate address
redundancy
50. An application level network protocl mainly applied to shared access to files - printers - serial ports - and miscellaneous communications between nodes on a network.
logical network
asynchronous
default gateway
server message block