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Test your basic knowledge |
CCNA Network Fundamentals Vocab
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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. Part of a company's intranet that is extended to users outside the company
extranet
ARP poisoning
Interpret as command
network address
2. A collection of data that establishes a reference for network performance and behavior over a period of time. This reference data is used in the future to assess the health and relative growth of network utilization.
network baseline
protocol
switch table
nonvolatile RAM (NVRAM)
3. 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.
broadcast address
encapsulation
virtual circuit
cache
4. 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.
Thicknet
positional notation
deterministic
pulse amplitude modulation
5. The first half of a MAC address. Manufactures must ensure that the value of the OUI has been registered with the IEEE. This value identifies the manufacturer of any Ethernet NIC or interface.
Regional Internet Registries
Organizational Unique Identifier
link-local address
broadcast domain
6. 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.
RJ-45
protocol
Internet service provider
Organizational Unique Identifier
7. A high-speed line or series of connections that forms a major pathway within a network. The term is often used to describe the main network connections comprising the Internet.
download
Internet backbone
Interpret as command
dns resolver
8. A drag-and-drop network simulator developed by Cisco to design - configure and troubleshoot network equipment within a controlled - simulated program environment.
channel service unit/data service unit
Thicknet
Packet Tracer
jam signal
9. To change the energy levels transmitted over some networking medium to transmit bits over that medium.
multicast client
URG
kilobits per second
encode
10. A removable component that has memory space for storage. Used on the router or switch for storing the compressed operating system image.
kilobits per second
flash
Optical time domain reflectometer
priority queing
11. Binary digit used in the binary numbering system. Binary digits are units of information storage and communication in computing. Each bit can be either a 0 or a 1.
dynamic routing
encryption
segmentation
bit
12. A grouping of code that meets a certain - already specified - condition for entering in that certain group.
collision
signal
cloud
code gropu
13. A data link layer address - for example a MAC address
subnet mask
physical address
dynamic host configuration protocol
connection oriented
14. A service or a program to look up information in the DNS
network interface card
collision domain
Open systems interconnection
nslookup
15. Radio frequencies that creat noise that interferes with information being transmitted across unshielded copper cabling.
runt frame
Packet Tracer
radio frequency interference
noise
16. 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
kilobits per second
goodput
maximum transmission unit
protocol
17. In networking - a measurement of the speed of bits that can be transmitted over a particular link. It is the amount of data that can be transmitted in a certain amount of time. For digital bandwidth it is usually expressed in bits per second.
internetwork
pulse amplitude modulation
bandwidth
source IP address
18. A protocol for synchronizing the clocks of computer systems over packet-switch data networks. NTP uses UDP port 123 as its transport layer.
Network time protocol
default gateway
bridge table
runt frame
19. A network device that has an IPv4 address assigned to it to communication over a network.
fragmentation
metropolitan-area network
scope
host
20. A network topology characterized by a central location connected to multiple hubs. In an extended star - these interconnected hubs may be connected to more hubs. It is essentially a hierarchical topology but typically is drawn with the central site i
routing table
scalability
extended star
cloud
21. The table used by a switch or bridge that associates MAC addresses with the outgoing port. The switch or bridge uses this table for its forwarding/filtering decisions.
subnet
data communications equipment
bandwidth
bridge table
22. TCP or UDP ports that range from 49152 to 65535 and are not used by any defined server applications.
scalability
dynamic or private ports
cloud
host
23. The origin of the PDU. This can be a process a host or a node - depending on the layer to which you are reffering.
connectionless
source
resource records
deterministic
24. A 1-bit flag in the tcp header that indicates the acknowledgment field is valid.
ACK
host group
channel service unit/data service unit
hypertext transfer protocol
25. 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.
broadcast address
media-dependent interface crossover
subnet
authoritative
26. 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
bridge
synchronous
collision domain
routing table
27. In networking - a symbol used when drawing network diagrams that represent a part of the network whose details can be ignored for the purposes of the diagram.
URG
full duplex
RJ-45
cloud
28. An encoding scheme 4B/5B uses 5-bit symbols and codes to represent 4 bits of data. 4B/5B is used in 100Base-tx ethernet.
router protocol
goodput
4b/5b
throuhpu
29. An addressing scheme in which a network is partitioned into sections - with the section identifier forming one part of each destination's address and the destination identifier forming another
multiplexing
convergence
collaborative
hierarchical addressing
30. 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.
unshieled twisted-pair
flooding
most significant bit
directly connected network
31. A 1-bit flag in the TCP header that is used to request to the higher layers for immediate delivery of the packet.
round-trip time
digital logic
symmetric switching
PSH
32. A unit of measurement of the number of times 1000 bits can be transmitted in 1 second. 1 kbps = 1000bps
kilobits per second
default route
slash format
dispersion
33. A request for information. Queries are answered with replies.
dynamic host configuration protocol
RJ-45
query
media independent
34. An IPv4 address in the range of 169.254.1.0 to 169.254.254.255. Communication using these addresses is used with a ttl of 1 and limited to the local network
virtual circuit
carrier sense multiple access collision detect (CSMA/CD)
link-local address
throuhpu
35. A logical network composed of all the computers and networking devices that can be reached by sending a frame to the data link layer broadcast address.
URG
ARP table
broadcast domain
acknowledgment number
36. Used in the CLI following the command. Keywords are parameters that are used with the command from a set of predefined values.
virtual local area network
full duplex
reserved link-local addresses
keyword
37. 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
hierarchical addressing
priority queing
encryption
intermediary device
38. 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.
gigabit ethernet
node
peer
overhead
39. A notification sent from one network device to another to confirm that some event has occured.
extranet
acknowledgment
prviate address
gigabit ethernet
40. 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.
window size
hub
International Organization for Standardization
hypertext transfer protocol
41. In ethernet - the process performed by a bridge or switch when it decides that it should send a frame out another port.
Time to live
forwarding
globally scoped addresses
metropolitan-area network
42. 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
network interface card
dotted decimal
console port
43. 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.
International Organization for Standardization
routing
hybrid fiber-coax
plug-in
44. 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.
node
delimiter
peer
quality of service
45. The time that passes while some event occurs. In networking - latency typically refers to the time that occurs between when something is sent in a network until it is received by another device.
session
MAC table
latency
physical address
46. The optical or electrical impulse on a physical medium for purposes of communication.
signal
network interface card
administratively scoped address
jam signal
47. 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.
radio frequency interference
RST
most significant bit
domain name system
48. The range of ip addresses that can be assigned by the DHCP server.
static route
slot time
address pool
enable password
49. A group defined by a class D address (multicast - ranging from 224.0.0.0 to 239.255.255.255) - whereupon hosts can pertain to multicast groups. Hosts that have the same multicast address are part of the same host group.
host group
Network address translation (NAT)
nslookup
logical network
50. To transfer data from the computer functioning as a server to the client computer you are using.
download
delimiter
binary
Interpret as command
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