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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 series of documents and memoranda encompassing new research - innovations and methodologies applicable to Internet technologies. RFCs are a reference for how technologies should work.
pinout
routing table
Requests for Comments
end device
2. The normal operation of ethernet ports on a hub. In this mode - the mapping of the wire pairs in the hub port is in a normal configuration. Some hubs provide a media-dependent interface/media-dependent interface - crossover switch. This switch is usu
media-dependent interface (MDI)
PSH
dynamic host configuration protocol
network segment
3. An international standards body that defines many networking standards. Also - the standards body that created the OSI model.
IP header
International Organization for Standardization
ARP cache
frame
4. A delineation of networking protocols and standards into different categories - called layers - along with definitions of which sets of standards and protocols need to be implemented to create products that can be used to create a working network
Internet control message protocol
kilobits per second
dispersion
protocol suite
5. 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
decapsulation
RST
bit
6. A special reserved IPv4 address - 127.0.0.1 that can be used to test TCP/IP applications. Packets sent to 127.0.0.1 by a computer never leave the computer or even require working NIC. Instead - the packet is processed by IP at the lowest layer and is
SYN
distributed
loopback
forwarding
7. 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.
media-dependent interface (MDI)
nonvolatile RAM (NVRAM)
network interface card
overhead
8. A network that is connected to a device's interface. For example networks that interface with the router are known to be directly connected. Devices learn their initial IP routes based on being connected to these subnets.
directly connected network
association identity AID
flash
dynamic host configuration protocol
9. A protocol used between routers so that they can learn routes to add to their routing tables.
deterministic
maximum transmission unit
local area network
router protocol
10. A data link layer address - for example a MAC address
frame
physical address
subnet
hop
11. 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.
ACK
nonreturn to zero
manchester encoding
global configuration mod
12. Path through an internetwork through which packets are forwarded.
router
AND
carrier sense multiple access collision detect (CSMA/CD)
scheme
13. The time required to send a single bit over some transmission medium. The time can be calculated at 1/speed - where speed is the number of bits per second sent over the medium
single point of failure
bit time
authentication
well known ports
14. A source of information that is highly reliable and known for its accuracy
authoritative
bandwidth
metropolitan-area network
Institute of Electrical and Electronics Engineers
15. In a shared media ethernet network - a signal generated by the transmitting devices that detects the collision. The jam signal continue to transmit for a specified period to ensure that all devices on the network detect the collision. The jame signal
reserved link-local addresses
flash
classful addressing
jam signal
16. A drag-and-drop network simulator developed by Cisco to design - configure and troubleshoot network equipment within a controlled - simulated program environment.
port
slot time
Packet Tracer
local area network
17. 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.
prviate address
nonvolatile RAM (NVRAM)
goodput
media-dependent interface crossover
18. In networking - this term is used in several ways. With ethernet hub and switch hardware - port is simply another name for interface - which is a physical connector in the swithc into whic a cable can be connected. With TCP and UDP - a port is a soft
protocol suite
physical network
plug-in
port
19. The management of data flow between devices in a network. It is used to avoid too much data arriving before a device can handle it - causing data overflow.
test-net address
attenuation
flow control
Internet Assigned Numbers Authority
20. The origin of the PDU. This can be a process a host or a node - depending on the layer to which you are reffering.
electromagnetic interface
packet
source
nonvolatile RAM (NVRAM)
21. The process of forwarding frames in a switch or a bridge from one port to another port or from segment to segment
destination IP address
hypertext transfer protocol
cyclic redundancy check
bridging
22. 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.
user executive mode
radio frequency interference
bridge table
link-local address
23. The spreading of light signal caused by light signals traveling at different speeds through a fiber.
dispersion
IP header
keyword
default route
24. 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
electromagnetic interface
host
interframe spacing
directed broadcast
25. A process used to verify the identity of a person or process
authentication
routing table
dns resolver
delimiter
26. Normally - a relatively general term that refers to dfifferent kinds of networking devices. Historically - when routers were created - they were called gateways
media-dependent interface (MDI)
segment
gateway
query
27. The lower of the two sublayers of the IEEE standard for ethernet. It is also the name of that sublayer
data termianl equipment
Interpret as command
media access control
octet
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.
destination IP address
4b/5b
enable password
router protocol
29. Data that directs a process. a flag in a data-link frame is an example of control data.
forwarding
control data
network segment
Pad
30. The standards body responsible for the development and approval of TCP/IP standards
Internet Engineering Task Force
globally scoped addresses
hypertext transfer protocol
Network address translation (NAT)
31. A computer program that runs in the background and is usually initiated as a process. Daemons often support server processes.
global configuration mod
post office protocol
daemon
Network time protocol
32. The bit position in a binary number having the greatest value. The most significant bit is sometime referred to as the leftmost bit.
best effort
flash
most significant bit
slash format
33. A number used in the 802.11 header to specify the session between a wireless client and the access point.
multiplexing
association identity AID
4b/5b
data communications equipment
34. A layer 4 protocl of TCP/IP model - TCP lets applications guarantee delivery of data across a network.
backoff algorithm
TCP
AND
switch
35. A form of transmission where one device transmits to all devices within the network or on another network
bit time
broadcast
Open systems interconnection
channel service unit/data service unit
36. Also known as boolean algebra. These consist of the AND OR and IF operations
Thicknet
digital logic
single point of failure
acknowledgment number
37. An ethernet frame that is less than 64 bytes in size. Runts are caused by collisions and are also know as collision fragments
classless addressing
runt frame
address pool
internetwork
38. A signal on a medium used to support the transmission of data. Data is carried over the medium by modulation.
domain name
pinout
control data
carrier
39. The minimum time a NIC or interface can take to send an entire frame. Slot time - then - implies a minimum frame size.
symmetric switching
radio frequency interference
slot time
destination IP address
40. A command on many computer operating systems that discovers the IP addresses - and possibly host names - of the routers used by the network when sending a packet from one computer to another.
gigabit ethernet
tracert
shielded twisted pair cable
kilobits per second
41. The MAC address that is permanently assigned to a LAN interface or NIC. It is called burned-in because the address is burned into a chip on the card - and the address cannot be changed. Also called universally administered address.
keyword
hypertext transfer protocol
burned in address
binary
42. An internationally recognized definition of technical specifications that ensure worldwide consistency.
standards
TCP
virtual terminal line
IP address
43. The process by which a router receives an incoming frame - discards the ata link header and trailer - makes a forwarding decision based on the destination IP address - adds a new data-link header and trailer based on the outgoing interface and forwar
Internet Engineering Task Force
routing
positional notation
layered model
44. 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.
authentication
carrier
symmetric switching
Organizational Unique Identifier
45. Unique addresses that are public domain addresses.
globally scoped addresses
scheme
domain name
flooding
46. Organizations that are responsible for the allocation and registration of Internet number resources within a particular region of the world. These registries include the American Registry for Internet Number for North America; RIPE network coordinati
bridge
redundancy
Regional Internet Registries
best effort
47. A device such as a desktop or mobile device that is used by an end user.
end device
round-trip time
protocol
Internet Engineering Task Force
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
end device
round-trip time
best effort
49. An entry in an IP routing table that was created because a network engineer entered the routing information into the router's configuration.
static route
media independent
port
shielded twisted pair cable
50. A routing feature in which frames in an interface output queue are prioritized based on various characteristics such as packet size and interface type.
positional notation
cloud
priority queing
carrier sense multiple access collision detect (CSMA/CD)