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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 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.
asynchronous
Organizational Unique Identifier
frame
standards
2. The layer 3 address to which the data is going.
dotted decimal
extended star
proxy arp
destination IP address
3. The table used by a switch that associates MAC addresses with the outgoing port. A general term for the table that a LAN bridge uses for its forwarding/filtering decisions. The table holds a list of MAC addresses and the port out which the bridge sho
switch table
selective forwarding
well known ports
overhead
4. A dotted decimal number that helps identify the structure of IP addresses. The mask represents the network and subnet parts of related IP addresses with binary 1s and the host part of related IP addresses with binary 0s
extended star
overhead
subnet mask
connection oriented
5. 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.
delimiter
RST
Requests for Comments
hierarchical addressing
6. The time required for some network pdu's to be sent and received - and a response PDU to be sent and received. In other words - the time between when a device sends data and when the same device receives a response.
host group
peer
round-trip time
flow control
7. The cabling and connectors used to interconnect the network devices.
physical media
fiber optics
manchester encoding
destination IP address
8. In ethernet - the process performed by a bridge or switch when it decides that it should send a frame out another port.
router
forwarding
smtp
Network address translation (NAT)
9. An address used to represent a transmission from one device to all devices. In ethernet - the sepcial ethernet address FFFF.FFFF.FFFF is used as a destination MAC address to cause a frame to be sent to all devices on an ethernet LAN. In IPV4 - each s
broadcast address
well known ports
loopback
local area network
10. Communication where the sender and receiver must prearrange for communications to occur; otherwise - the communication fails.
flash
network address
connection oriented
FIN
11. TCP or UDP ports that range from 49152 to 65535 and are not used by any defined server applications.
dynamic or private ports
loopback
nonreturn to zero
protocol data unit
12. 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.
source
intranet
store and forward
binary
13. A 1-bt flag in the TCP header used to indicate the initial value of the sequence number. The SYN flag is only set in the first two segments of the three-way TCP connection establishment sequence.
deterministic
media access control
SYN
FIN
14. A process where multiple digital data streams are combined into one signal.
hypertext transfer protocol
prefix length
keyword
multiplexing
15. A protocol used to dynamically assign IP configurations to hosts. The services defined by the protocol are used to request and assign an IP address - default gateway - and DNS server address to a network host.
logical network
data communications equipment
throuhpu
dynamic host configuration protocol
16. A model that consists of various layers that enable the development and explanation of technology to be done on a modular basis. This allows interoperability among different technologies among the different layers.
Network address translation (NAT)
layered model
user executive mode
dns resolver
17. A numbering system characterized by 1 and 0
control data
throuhpu
nonvolatile RAM (NVRAM)
binary
18. A request for information. Queries are answered with replies.
channel
flow control
query
static route
19. A popular certification method for fiber systems. The OTDR injects light into the fiber and then graphically displays the results of the detected reflected light. The OTDR measures the elapsed transit time of reflected light to calculate the distance
physical network
Optical time domain reflectometer
collision
Open systems interconnection
20. A dotted decimal number defined by the IPv4 protocol to represent a network or subnet. It represents the network that hosts reside in. Also called a network number or network ID.
network address
static route
ethernet PHY
default route
21. A name - as defined by DNS that uniquely identifies a computer in the internet. DNS servers can then respond to the DNS requests by supplying the IP address that is used by the computer that has a particular domain name. This term also refers to the
domain name
session
digital logic
thinnet
22. 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
globally scoped addresses
source
address pool
23. On a switch - a table that lists all known MAC addresses - and the bridges/switch port out which the bridge/switch should forward frames sent to each MAC address.
MAC table
virtual local area network
client
fast ethernet
24. A process used to verify the identity of a person or process
scope
SYN
authentication
redundancy
25. 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.
channel
protocol data unit
physical topology
dotted decimal
26. 1. a collision domain that is a section of a LAN that is bound by bridges - routers or switches. 2. In a LAN using a bus topology - a segment is a continuous electrical circuit that is often connected to other such segments with repeaters. 3. When us
segment
pinout
Internet control message protocol
octet
27. A network device that has an IPv4 address assigned to it to communication over a network.
host
Institute of Electrical and Electronics Engineers
broadcast
shielded twisted pair cable
28. An IPv4 multicast address that is restricted to a local group or organization.
broadcast
public address
Internet service provider
limited scope address
29. The optical or electrical impulse on a physical medium for purposes of communication.
local area network
Organizational Unique Identifier
link-local address
signal
30. Ethernet that transmits data at 1 -000 -000 -000 one billion bits per second.
client
scheme
hypertext transfer protocol
gigabit ethernet
31. A common term for 10base2 ethernet - referring to the fact that 10base2 cabling is thinner than coaxial cabling used for 10base5
thinnet
acknowledgment
Open systems interconnection
electromagnetic interface
32. 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
multiplexing
kilobits per second
distributed
filtering
33. Unique addresses that are public domain addresses.
Open systems interconnection
Internet Assigned Numbers Authority
broadcast domain
globally scoped addresses
34. The devices and connections of a communications network that comprise the network end of the user to network interface. The DCE provides a physical connection to the network - forwards traffic - and provides a clocking signal used to synchronize data
client
virtual circuit
ACK
data communications equipment
35. A common term for 10base5 ethernet - referring to the fact that 10base5 cabling is thicker than the coaxial cabling used for 10base2.
pinout
slash format
Thicknet
link-local address
36. 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
logical topology
keyword
routing table
collision domain
37. A source of information that is highly reliable and known for its accuracy
console port
authoritative
interframe spacing
Pad
38. A technique used to attack an ethernet network by sending fake ARP messages to an ethernet LAN. These frames contain false MAC addresses that confuse network devices - such as switches. As a result - frames intended for one node can be mistakenly sen
ARP poisoning
virtual circuit
hybrid fiber-coax
default route
39. Line code in which each bit of data is signified by at least one voltage level transition.
physical network
manchester encoding
data communications equipment
pinout
40. Network protocols or technologies that do not use the acknowledgment system to guarantee reliable delivery of information
subnet
plug-in
end device
best effort
41. 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.
convergence
router
registered ports
public address
42. 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
bit time
domain name
routing
deterministic
43. 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.
public address
IP header
encapsulation
media-dependent interface (MDI)
44. In the telnet application - commands are always introduced by a character with the decimal code 255 - known as the Interpret as Command character.
ethernet PHY
well known ports
Interpret as command
download
45. A form of transmission where one device transmits to all devices within the network or on another network
media independent
tracert
broadcast
server
46. An international standards body that defines many networking standards. Also - the standards body that created the OSI model.
syntax
intranet
International Organization for Standardization
unshieled twisted-pair
47. The design on networks that can continue to operate without interruption in the case of hardware - software or communications failures.
switch table
interframe spacing
reserved link-local addresses
fault tolerance
48. Also known as boolean algebra. These consist of the AND OR and IF operations
host group
cyclic redundancy check
digital logic
network
49. The IPv4 address block 192.0.2.0 to 192.0.2.255 that is set aside for teaching and learning purposes. These addresses can be used in documentation and network examples.
attenuation
test-net address
cache
code gropu
50. A protocol that allows a computer to retrieve email from a server.
gigabit ethernet
post office protocol
bandwidth
runt frame