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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. 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
jam signal
collision domain
convergence
default route
2. A rectangular cabling connector with eight pins - often used with ethernet cables.
half duplex
RJ-45
bit
cloud
3. 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.
scheme
bridge table
Network time protocol
distributed
4. To change the energy levels transmitted over some networking medium to transmit bits over that medium.
extranet
encapsulation
encode
proxy arp
5. The extent of a certain item. For example - an address scope is also known as a range of addresses from beginning of the range to the end.
signal
scope
static route
throuhpu
6. 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.
physical address
half duplex
overhead
query
7. An ethernet frame that is less than 64 bytes in size. Runts are caused by collisions and are also know as collision fragments
domain name system
runt frame
bridge
radio frequency interference
8. 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
acknowledgment number
full duplex
broadcast domain
distributed
9. The IP address of the originating host that is placed into the IP packet header.
source IP address
host group
query
dotted decimal
10. Routing that adjusts automatically to network topology or traffic changes.
server message block
Internet
slash format
dynamic routing
11. The structure and order of words in a computer language
protocol
radio frequency interference
syntax
media-dependent interface (MDI)
12. A network device that accesses a service on another computer remotely by accessing the network.
hub
client
fast ethernet
overhead
13. A form of signal modulation where the message information is encoded in the amplitude of series of signal pulses. It transmits data by varying the aplitunes of the individual pulses. This is now obsolete and has been replaced by pulse code modulation
instant messaging
transparent bridging
collaborative
pulse amplitude modulation
14. An international standards body that defines many networking standards. Also - the standards body that created the OSI model.
keyword
channel service unit/data service unit
International Organization for Standardization
argument
15. A group of devices associated by the arrangement of a hierarchial addressing scheme. Devices in the same logical network that share a common network portion of their Layer 3 addresses.
channel
kilobits per second
scalability
logical network
16. A grouping of code that meets a certain - already specified - condition for entering in that certain group.
instant messaging
code gropu
broadcast address
slot time
17. 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.
burned in address
latency
code gropu
interframe spacing
18. In ethernet - the process performed by a bridge or switch when it decides that it should send a frame out another port.
administratively scoped address
server
forwarding
noise
19. A numbering system characterized by 1 and 0
protocol suite
binary
connection oriented
Internet service provider
20. 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
channel service unit/data service unit
deterministic
download
symmetric switching
21. A layer 4 protocl of TCP/IP model - TCP lets applications guarantee delivery of data across a network.
server
loopback
TCP
packet
22. Any combination of hardware device and/or software application designed to protect network devices from outside network users and/or malicious applications and files.
router
firewall
jam signal
forwarding
23. 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
switch
segment
dynamic routing
throuhpu
24. A common term for 10base5 ethernet - referring to the fact that 10base5 cabling is thicker than the coaxial cabling used for 10base2.
Thicknet
bit time
burned in address
enable password
25. 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
link-local address
reserved link-local addresses
intranet
media access control
26. A plan - design or program of action to be followed. Sometimes an addressing plan is called an addressing SCHEME.
deterministic
best effort
IP address
scheme
27. A group of 8 binary bits. It is similar to - but not the same as - a byte. One Application in computer network is to use octets to divide IPv4 addresses into four components
carrier sense multiple access collision detect (CSMA/CD)
bandwidth
octet
hierarchical addressing
28. 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.
layered model
Time to live
user executive mode
FIN
29. A 1-bit flag in the tcp header that indicates the acknowledgment field is valid.
bridge table
AND
ACK
fragmentation
30. 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.
resource records
network baseline
acknowledgment number
prefix length
31. Data that directs a process. a flag in a data-link frame is an example of control data.
TCP/IP
IP
router
control data
32. Using values between 1024 and 49 -151 these numbers are equivalent to well-known ports in concept - but they are specifically used for nonprivileged application processes.
Network address translation (NAT)
loopback
International Organization for Standardization
registered ports
33. In networking - a general term referring to any energy signal on a transmission medium that is not part of the signal used to transmit data over that medium.
noise
protocol
Organizational Unique Identifier
asynchronous
34. Physical medium that uses glass or plastic threads to transmit data. A fiber-optic cable consists of a bundle of these threads - each of which is capable of transmitting data into light waves.
fiber-optic cable
enable password
hierarchical addressing
Logical link control
35. A logical storage in the host's RAM to store ARP entries
window size
local area network
Logical link control
ARP cache
36. 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.
collaborative
encapsulation
routing
bridge
37. 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.
physical media
dynamic host configuration protocol
locally administered address
dns resolver
38. Ethernet that transmits data at 1 -000 -000 -000 one billion bits per second.
instant messaging
noise
gigabit ethernet
Packet Tracer
39. A group that receives a multicast transmission. The members of a multicast group have the same mulitcast IP addressing to receive the same transmission.
post office protocol
download
radix
multicast group
40. 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.
host
runt frame
classful addressing
broadcast domain
41. Refers to whether the performance of a device - attached to a particular type of LAN - can be accurately predicted. Token Ring LANS are deterministic - but ethernet LANS are non deterministic.
deterministic
throuhpu
physical network
jam signal
42. In ethernet - the results of two nodes transmitting simlutaneously. The signals from each device are damaged when they combine on the media
overhead
collision
default route
data termianl equipment
43. A corporate system such as a website that is explicitly used by internal employees. Can be assessed internally or remotely
pulse amplitude modulation
intranet
flooding
global configuration mod
44. An IPv4 multicast address that is restricted to a local group or organization
ARP table
media access control
subnet
administratively scoped address
45. 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.
Internet control message protocol
resource records
URG
quality of service
46. A device such as a desktop or mobile device that is used by an end user.
limited scope address
virtual circuit
end device
directed broadcast
47. As filed in the TCP header that is set in a sent segment - signifies the maximum amount of unacknowledged data the host is willing to receive before the other sending host must wait for an acknowledgment.
window size
connection oriented
proxy arp
throuhpu
48. 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.
flow control
hypertext transfer protocol
runt frame
full duplex
49. A system of network design characterized by one or more major components that are required to maintain operation.
logical topology
prefix length
peer
single point of failure
50. 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
transparent bridging
bit time
internetwork
reserved link-local addresses