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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. A control mechanism that can provide different priorities to different users or data flows - or guarantee a certain level of performance to a data flow in accordance with requests from the application program.
kilobits per second
authoritative
enable password
quality of service
2. In IP subnetting - this refers to the portion of a set of IP addresses whose value must be identical for the addresses to be in the same subnet.
prefix length
slot time
Internet backbone
session
3. A method of computer processing in which different parts of a program run simultaneously on two or more computers that are communicating with each other over a network
segmentation
end device
distributed
carrier sense multiple access (CSMA)
4. The bit position in a binary number having the greatest value. The most significant bit is sometime referred to as the leftmost bit.
globally scoped addresses
IP address
most significant bit
logical network
5. An international - nonprofit organization for the advancement of technology related to eletricity. IEEE maintains the standards defining many LAN protocols.
token passing
Institute of Electrical and Electronics Engineers
source
session
6. A method of internal processing by LAN switches. The switch must receive the entire frame before it sends the first bit of the frame. Store and forward switch is the method used by cisco switches.
reserved link-local addresses
store and forward
logical topology
fast ethernet
7. TCP or UDP ports that range from 49152 to 65535 and are not used by any defined server applications.
filtering
directly connected network
thinnet
dynamic or private ports
8. The arrangement of the nodes in a network and the physical connections between them. This is the representation of how the media is used to connect the devices.
physical topology
flash
IP
RST
9. 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.
domain name system
registered ports
ping sweep
Internet
10. 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
IP address
hybrid fiber-coax
cyclic redundancy check
intranet
11. Also known as boolean algebra. These consist of the AND OR and IF operations
digital logic
host
hub
extended star
12. A layer 4 protocl of TCP/IP model - TCP lets applications guarantee delivery of data across a network.
protocol data unit
collaborative
TCP
port
13. Communication that only allows one station to receive while the other station is transmitting
post office protocol
channel
nonvolatile RAM (NVRAM)
half duplex
14. A physical or a logical area in a LAN where the signals sent by the interfaces ma be subject o being combined. Within a collision domain - if a device sends a frame on a network segment - every other device on that same segment will receive that fram
collision domain
selective forwarding
nonvolatile RAM (NVRAM)
firewall
15. A process by which an end device - after it receives data over some transmission medium - examines the headers and trailers at each successive higher layer - eventually handing the data to the correct application. Sometimes called de-encapsulation.
local area network
decapsulation
best effort
gateway
16. The spreading of light signal caused by light signals traveling at different speeds through a fiber.
Internet Assigned Numbers Authority
segment
Organizational Unique Identifier
dispersion
17. A process used by a switch or bridge to forward broadcasts and unknown destination unicasts. The bridge/switch forwards these frames out all ports except the port on which the frame was received.
channel service unit/data service unit
flooding
physical topology
delimiter
18. A company that helps create the Internet by providing connectivity to enterprises and individuals - as well as interconnecting to other ISPs to create connectivity to all other ISPs.
scalability
Internet
Address resolution protocol
Internet service provider
19. Communication that allows receipt and transmission simultaneously. A station can transmit and receive at the same time. There are no collisions with full-duplex ethernet transmision.
full duplex
console port
broadcast address
fast ethernet
20. The process by which a device adds networking heads and trailers to data from an application for the eventual transmission of the data onto a transmission medium.
encapsulation
node
physical network
4b/5b
21. A signal on a medium used to support the transmission of data. Data is carried over the medium by modulation.
burned in address
scalability
carrier
media independent
22. An application level network protocl mainly applied to shared access to files - printers - serial ports - and miscellaneous communications between nodes on a network.
RST
flow control
transparent bridging
server message block
23. The cabling and connectors used to interconnect the network devices.
dispersion
physical media
collaborative
Logical link control
24. The portion of a binary number that carries the most weight - the one written farthest to the left. High-order bits are the 1s in the network mask.
high-order bit
bandwidth
burned in address
network segment
25. A common term for 10base5 ethernet - referring to the fact that 10base5 cabling is thicker than the coaxial cabling used for 10base2.
Packet Tracer
Thicknet
Internet Engineering Task Force
transparent bridging
26. Used by tcp or udp - with values between 0 and 1023 - these ports are allocated by high-privilege processes. They are used so that all clients know the correct port number to connect to.
well known ports
standards
network segment
physical media
27. A written specification that defines what tasks a service or device should perform. Each protocol defines messages - often in the form of headers - plus the rules and processes by which these messages are used to achieve some stated purpose.
protocol
virtual circuit
Internet Assigned Numbers Authority
positional notation
28. Defines the commands - headers and processes by which web server and web browsers transfer files.
hypertext transfer protocol
encode
classless addressing
directed broadcast
29. The optical or electrical impulse on a physical medium for purposes of communication.
signal
global configuration mod
Thicknet
bridging
30. In a web browser - an application the browser uses - inside the browser window to display some types of content. For example - a browser typically uses a plug-in to display video.
selective forwarding
high-order bit
plug-in
AND
31. An IP address that has been registered with IANA or one of its member agencies - which guarantees that the address is globally unique. Globally unique public IP addresses can be used for packets sent through the Internet.
proxy arp
multicast group
selective forwarding
public address
32. A 1-bit flag in the TCP header used to indicate that the receiving host should notify the destination process to do urgent processing.
slot time
ethernet PHY
broadcast domain
URG
33. In ethernet a layer 2 device that receives an electrical signal in one port - interprets the bits - and makes a filtering or forwarding decision about the frame. If it forward - it sends a regenerated signal. Switches typically have many physical por
TCP
IP header
switch
bridge table
34. A system of network design characterized by one or more major components that are required to maintain operation.
address pool
convergence
single point of failure
protocol suite
35. A convention for writing IP addresses with four decimal numbers - ranging from 0 to 255 - with each octet representing 8 bits of the 32 bit IP address. The term originates from the fact that each of the four decimal numbers is separated by a period.
dotted decimal
switch
dispersion
extended star
36. 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
encode
convergence
port
encryption
37. The physical interface transceivers. It deals with Layer 1 (the physical layer - hence the PHY) of ethernet.
port
nonvolatile RAM (NVRAM)
directly connected network
ethernet PHY
38. 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
data termianl equipment
window size
dynamic routing
data communications equipment
39. Normally - a relatively general term that refers to dfifferent kinds of networking devices. Historically - when routers were created - they were called gateways
ARP table
hierarchical addressing
gateway
fragmentation
40. A common term for 10base2 ethernet - referring to the fact that 10base2 cabling is thinner than coaxial cabling used for 10base5
frame
console port
smtp
thinnet
41. A part of a computer network that every device communicates with using the same physical medium. Network segments are extended by hubs or repeaters.
network segment
carrier
classful addressing
default route
42. A request for information. Queries are answered with replies.
routing
multiplexing
query
host address
43. 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.
end device
user executive mode
routing
network address
44. A group of IP addresses that have the same value in the first part of the IP addresses - for the purpose of allowing routing to identify the group by the inital part of the addresses. IP addresses in the same subnet typically sit on the same network
PSH
subnet
URG
multiplexing
45. Communication where the sender and receiver must prearrange for communications to occur; otherwise - the communication fails.
channel service unit/data service unit
association identity AID
connection oriented
forwarding
46. A data link layer address - for example a MAC address
interframe spacing
gateway
physical address
packet
47. A source of information that is highly reliable and known for its accuracy
authoritative
well known ports
deterministic
standards
48. In ethernet - a device that receives an electrical signal in one port - interprets the bits and regenerates a clean signal that it sends out all other ports of the hub. Typically it also supplies several ports - which are oftentimes RJ-45 jacks.
hub
physical topology
PSH
scalability
49. The method of for finding a host's hardware address from its IPv4 network layer address.
fiber optics
Address resolution protocol
pinout
Interpret as command
50. A communication path over a medium used to transport information from a sender to a receiver. Multiple channels can be multiplexed over a single cable
channel
latency
tracert
media-dependent interface (MDI)