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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 generic term from OSI that refers to the data - headers - and trailers about which a particular network layer is concerned.
protocol data unit
dns resolver
Internet control message protocol
client
2. 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.
broadcast domain
slash format
default gateway
directly connected network
3. A corporate system such as a website that is explicitly used by internal employees. Can be assessed internally or remotely
segmentation
association identity AID
intranet
protocol data unit
4. A removable component that has memory space for storage. Used on the router or switch for storing the compressed operating system image.
loopback
flash
multicast group
multiplexing
5. When used generically - this term refers to end-user data along with networking headers and trailers that are transmitted through a network. When used specifically - it is end-user data - along with the network or Internet layer headers and any highe
packet
radix
virtual local area network
carrier sense multiple access (CSMA)
6. 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
address pool
switch table
routing
slash format
7. The bit position in a binary number having the greatest value. The most significant bit is sometime referred to as the leftmost bit.
most significant bit
administratively scoped address
delimiter
protocol suite
8. Communication that only allows one station to receive while the other station is transmitting
fragmentation
half duplex
network baseline
bandwidth
9. A common term for 10base2 ethernet - referring to the fact that 10base2 cabling is thinner than coaxial cabling used for 10base5
decapsulation
thinnet
peer
virtual circuit
10. A protocol that allows a computer to retrieve email from a server.
acknowledgment
post office protocol
packet
fiber-optic cable
11. 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.
TCP
backoff algorithm
network address
dynamic host configuration protocol
12. An ethernet frame that is less than 64 bytes in size. Runts are caused by collisions and are also know as collision fragments
server message block
classless addressing
runt frame
noise
13. Can refer to computer hardware that is to be used by multiple concurrent users. Alternatively - this term can refer to computer software that provides services to many users. For example - a web server consists of web server software running on some
session
server
test-net address
single point of failure
14. Any combination of hardware device and/or software application designed to protect network devices from outside network users and/or malicious applications and files.
host address
firewall
token passing
ethernet PHY
15. 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.
TCP
ACK
octet
bridge table
16. An IPv4 multicast address that is restricted to a local group or organization
best effort
administratively scoped address
subnet
association identity AID
17. An application protocol typically not used by end users. Instead - it is used by the network management software and networking devices to allow a network engineer to monitor and troubleshoot network problems.
runt frame
control data
symmetric switching
smtp
18. A form of transmission where one device transmits to all devices within the network or on another network
hierarchical addressing
broadcast
metropolitan-area network
bridging
19. 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
cyclic redundancy check
4b/5b
prviate address
20. A process that uses the same ARP messages as a normal ARP - but by which a router replies instead of the host listed in the ARP request. When a router sees an ARP request that cannot reach the intended host - but for which the router knows a route to
proxy arp
gigabit ethernet
shielded twisted pair cable
Optical time domain reflectometer
21. Any communication in which the sender and receiver do not prearrange for communications to occur
bandwidth
extended star
connectionless
encapsulation
22. The actual data transfer rate between two computers at some point in time. Throughput is impacted by the slowest-speed link used to send data between the two computers - as well as myriad variables that might change during the course of a day.
test-net address
scheme
throuhpu
default route
23. In TCP - the process of taking a large chunk of data and breaking it into small enough pieces to fit within a TCP segment without breaking any rules about the maximum amount of data allowed in a segment.
end device
segmentation
network address
asynchronous
24. 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
source
hierarchical addressing
locally administered address
asynchronous
25. An international - nonprofit organization for the advancement of technology related to eletricity. IEEE maintains the standards defining many LAN protocols.
packet
connection oriented
Institute of Electrical and Electronics Engineers
directly connected network
26. 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
domain name
single point of failure
carrier sense multiple access (CSMA)
extended star
27. 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.
Requests for Comments
throuhpu
digital logic
priority queing
28. The ability of a protocol. system or component to be modified to fit a new need.
local area network
channel
hypertext transfer protocol
scalability
29. 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.
interframe spacing
Internet Assigned Numbers Authority
protocol data unit
quality of service
30. A map of the devices on a network representing how the devices communcate with each other.
transparent bridging
backoff algorithm
manchester encoding
logical topology
31. A temporary storage where data that has been retrieved or calculated and is accessed frequently can be stored. After the data is stored in the cache - the processes can access the cached copy instead of accessing the original data. A cache reduces th
cache
pinout
runt frame
best effort
32. A part of the ethernet frame that fills in the data field to ensure that the data field meets the minimum size requirement of 46 bytes.
fast ethernet
dispersion
decapsulation
Pad
33. The cabling and connectors used to interconnect the network devices.
Logical link control
physical media
multicast group
router
34. A device that connects to a local digital telephone loop for a WAN circuit to a serial interface on a network device - typically connecting to a router. The CSU/DSU performs physical Layer 1 signaling on WAN circuits
post office protocol
network
delimiter
channel service unit/data service unit
35. A related set of communications transactions between two or more network devices.
host address
session
URG
code gropu
36. 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.
Network time protocol
TCP/IP
dotted decimal
full duplex
37. 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.
priority queing
radio frequency interference
network baseline
node
38. 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.
IP header
nonreturn to zero
Internet control message protocol
fast ethernet
39. A protocol used between routers so that they can learn routes to add to their routing tables.
router protocol
Thicknet
filtering
prefix length
40. The learning of source addresses on incoming frames and adding them to the bridging table. After the table has been completed and when a frame is received on one of the bridge's interfaces - the bridge looks up the frame's destination address in its
hop
loopback
transparent bridging
dotted decimal
41. The method of for finding a host's hardware address from its IPv4 network layer address.
ACK
console port
Address resolution protocol
reserved link-local addresses
42. A device that connects multiple network segments at the data link layer of the OSI model. Bridges were the predecessor to LAN switches.
bridge
media-dependent interface (MDI)
noise
multicast client
43. A general type of cable - with the cable holding twisted pairs of copper wires and the cable itself having little shielding.
window size
unshieled twisted-pair
Optical time domain reflectometer
network segment
44. 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
redundancy
console port
source
virtual circuit
45. A unit of measurement of the number of times 1000 bits can be transmitted in 1 second. 1 kbps = 1000bps
Regional Internet Registries
radio frequency interference
Internet Engineering Task Force
kilobits per second
46. 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.
store and forward
proxy arp
carrier sense multiple access collision detect (CSMA/CD)
user executive mode
47. 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.
public address
proxy arp
ARP table
Internet service provider
48. 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.
tracert
Address resolution protocol
hop
half duplex
49. 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.
jam signal
user executive mode
RST
symmetric switching
50. 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.
noise
redundancy
dynamic routing
decapsulation