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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 method of expressing a network prefix. It uses a forward slash / followed by the network prefix.
authentication
slash format
broadcast domain
convergence
2. 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
bridge table
router
octet
IP header
3. A map of the devices on a network representing how the devices communcate with each other.
channel service unit/data service unit
acknowledgment
logical topology
router protocol
4. In LAN switches a reference to cases in which a frame is forwarded - or switche - when the incoming and outgoing interfaces use the same speed. It is the opposite of asymmetric switching.
symmetric switching
registered ports
limited broadcast
local area network
5. This field of a frame signals the beginning or end of a frame.
delimiter
dotted decimal
bandwidth
radix
6. An organization that assigns the numbers important to the proper operation of the TCP/IP protocol and the Internet - including assigning globally unique IP addresses.
Internet control message protocol
router protocol
directed broadcast
Internet Assigned Numbers Authority
7. Information systems that allow the creation of a document or documents that can be edited by more than one person in real time
nslookup
peer
collaborative
pulse amplitude modulation
8. 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.
connectionless
bit
carrier sense multiple access collision detect (CSMA/CD)
Internet control message protocol
9. 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.
intermediary device
Thicknet
virtual terminal line
positional notation
10. The networking layers whose processes are not affected by the media being used. In ethernet - these are all the layers from the LLC sublayer of data link upward.
media independent
logical topology
delimiter
loopback
11. Data that directs a process. a flag in a data-link frame is an example of control data.
FIN
most significant bit
logical topology
control data
12. The client part of the DNS client server mechanism. A DNS resolver creates queries sent a across a network to a same server - interprets responses - and returns information to the requesting programs.
dns resolver
jam signal
public address
dynamic or private ports
13. 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
dynamic or private ports
media-dependent interface crossover
multiplexing
14. A combination of many IP subnets and networks - as created by building a network using routers. The term internwork is used to avoid confusion with the term network - because an internetwork can include several IP networks.
attenuation
internetwork
peer
address pool
15. Interface by magnetic signals caused by the flow of electricity. EMI can cause reduced data integrity and increased error rates on transmission channels. The physics of this process are that electrical current creates magnetic fields - which in turn
fragmentation
hypertext transfer protocol
limited broadcast
electromagnetic interface
16. A plan - design or program of action to be followed. Sometimes an addressing plan is called an addressing SCHEME.
decapsulation
protocol data unit
scheme
physical address
17. 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.
fiber optics
filtering
Pad
intranet
18. A 1-bit flag in the TCP header that is used to request to the higher layers for immediate delivery of the packet.
PSH
node
Pad
hybrid fiber-coax
19. An IPv4 multicast address that is restricted to a local group or organization
AND
argument
administratively scoped address
directed broadcast
20. 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.
slash format
port
syntax
test-net address
21. 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.
well known ports
store and forward
electromagnetic interface
scope
22. The IP address of the originating host that is placed into the IP packet header.
reserved link-local addresses
source IP address
global configuration mod
default route
23. As part of the TCP/IP internet layer - ICMP defines protocol messages used to inform network engineeres of how well an internetwork is working. For example - the ping command sends ICMP messages to determine whether a host can send packets ot another
Internet control message protocol
Network time protocol
4b/5b
overhead
24. 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.
Institute of Electrical and Electronics Engineers
electromagnetic interface
public address
decapsulation
25. A routing feature in which frames in an interface output queue are prioritized based on various characteristics such as packet size and interface type.
priority queing
port
destination IP address
network baseline
26. Media access methodology in which a node wishing to transmit listens for a carrier wave before trying to send. If a carrier is sensed - the node waits for the transmission in progress to finish before initiating its own transmission.
Packet Tracer
carrier sense multiple access (CSMA)
logical topology
node
27. 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
hub
distributed
link-local address
resource records
28. A generic term from OSI that refers to the data - headers - and trailers about which a particular network layer is concerned.
Open systems interconnection
Regional Internet Registries
collaborative
protocol data unit
29. The minimum time a NIC or interface can take to send an entire frame. Slot time - then - implies a minimum frame size.
slot time
packet
channel service unit/data service unit
loopback
30. A notification sent from one network device to another to confirm that some event has occured.
acknowledgment
protocol
flash
carrier
31. 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
Internet control message protocol
port
protocol
32. A field in the IP header that prevents a packet form indefinitely looping around an IP internetwork. Router decrements the TTL field each time they forward a packet - and if they decrement the TTL to 0 - the router discards the packet - which prevent
channel service unit/data service unit
Time to live
Requests for Comments
positional notation
33. 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.
overhead
channel service unit/data service unit
Organizational Unique Identifier
logical network
34. 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
fragmentation
thinnet
default route
35. The IPv4 multicast addresses 224.0.0.0 to 224.0.0.255. These addresses are to be used for multicast groups on a local network. Packets to these destinations are always transmitted with a TTTL value of 1
cloud
reserved link-local addresses
Optical time domain reflectometer
SYN
36. 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
bandwidth
redundancy
default gateway
extended star
37. 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
radio frequency interference
packet
dispersion
overhead
38. Communication that uses a common clocking signal. In most synchronous communicatino - one of the communicating devices generates a clock signal into the circuit. Additional timing information is not required in the header.
synchronous
bit time
Internet control message protocol
instant messaging
39. The layer 3 address to which the data is going.
destination IP address
single point of failure
server
Internet control message protocol
40. A common term for 10base2 ethernet - referring to the fact that 10base2 cabling is thinner than coaxial cabling used for 10base5
redundancy
protocol data unit
thinnet
IP address
41. 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
deterministic
backoff algorithm
goodput
media-dependent interface (MDI)
42. The structure and order of words in a computer language
syntax
interframe spacing
pinout
Institute of Electrical and Electronics Engineers
43. A signal on a medium used to support the transmission of data. Data is carried over the medium by modulation.
interframe spacing
carrier
encode
flow control
44. A device that connects multiple network segments at the data link layer of the OSI model. Bridges were the predecessor to LAN switches.
IP
flooding
bridge
extended star
45. A group that receives a multicast transmission. The members of a multicast group have the same mulitcast IP addressing to receive the same transmission.
goodput
multicast group
Time to live
association identity AID
46. IPv4 address of a network host. When talking about host addresses - they are the network layer addresses.
host address
global configuration mod
plug-in
loopback
47. A 1-bit field in the TCP header that is used by a device that wants to terminate its session with the other device. This is done by inserting the FIN flag in the flag field found in the TCP segment
positional notation
carrier sense multiple access (CSMA)
FIN
hybrid fiber-coax
48. 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.
smtp
router
network interface card
broadcast address
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.
ethernet PHY
post office protocol
user executive mode
frame
50. Network layer protocol in the TCP/IP stack offering a connectionless internetwork service. IP provides features for addressing - type-of-service specification - fragmentation and reassembly - and security.
server message block
layered model
filtering
IP