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Test your basic knowledge |
CCNA Network Fundamentals Vocab
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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 structure and order of words in a computer language
synchronous
tracert
syntax
fast ethernet
2. 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.
Time to live
well known ports
slash format
positional notation
3. An IPv4 multicast address that is restricted to a local group or organization
link-local address
fiber-optic cable
client
administratively scoped address
4. 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
domain name system
virtual circuit
jam signal
bit time
5. 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.
Organizational Unique Identifier
globally scoped addresses
Internet backbone
smtp
6. A common term for 10base2 ethernet - referring to the fact that 10base2 cabling is thinner than coaxial cabling used for 10base5
thinnet
logical network
physical network
argument
7. The MAC algorithm used by ethernet devices in a shared media. The protocol requires a node wishing to transmit to listen for a carrier signal before trying to send. If a carrier is sensed - the node waits for transmission in progress to finish before
media access control
maximum transmission unit
classless addressing
carrier sense multiple access collision detect (CSMA/CD)
8. 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.
cyclic redundancy check
MAC table
half duplex
Network time protocol
9. 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
throuhpu
ARP cache
gateway
pulse amplitude modulation
10. The ability of a protocol. system or component to be modified to fit a new need.
multicast group
network address
scalability
physical address
11. 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.
logical topology
broadcast
classless addressing
bridge table
12. A process where multiple digital data streams are combined into one signal.
multiplexing
network baseline
data communications equipment
nonreturn to zero
13. 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.
bridge table
nslookup
network address
gateway
14. A protocol for synchronizing the clocks of computer systems over packet-switch data networks. NTP uses UDP port 123 as its transport layer.
scope
media-dependent interface (MDI)
dotted decimal
Network time protocol
15. 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.
logical network
overhead
Institute of Electrical and Electronics Engineers
code gropu
16. 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.
deterministic
standards
IP header
smtp
17. Define in RFC 1918 - an IP address that does not have to be globally unique because the address exists inside packets only when the packets are inside a single private IP internetwork. Private IP addresses are popularly used in most company today - w
reserved link-local addresses
Requests for Comments
prviate address
resource records
18. A system of network design characterized by one or more major components that are required to maintain operation.
node
radio frequency interference
network baseline
single point of failure
19. 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.
encapsulation
flash
logical network
fault tolerance
20. 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.
gateway
physical address
default gateway
scope
21. 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
fiber-optic cable
electromagnetic interface
default route
daemon
22. The loss of communication signal on the media. This loss is due to degradation of the energy wave over time.
attenuation
Internet service provider
nonvolatile RAM (NVRAM)
hierarchical addressing
23. A MAC address that can be configured on a device. The LAA can be used in place of the BIA . This means that you can replace a NIC or use a substitute device without changing the address used by the network to access the station.
locally administered address
pulse amplitude modulation
channel service unit/data service unit
encryption
24. A 1-bit flag in the TCP header that is used to request that a connection be re-established.
carrier sense multiple access collision detect (CSMA/CD)
TCP
RST
address pool
25. 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.
quality of service
carrier sense multiple access (CSMA)
positional notation
global configuration mod
26. 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.
extranet
store and forward
tracert
download
27. A part of a computer network that every device communicates with using the same physical medium. Network segments are extended by hubs or repeaters.
physical media
Logical link control
network segment
network
28. A number used in the 802.11 header to specify the session between a wireless client and the access point.
keyword
association identity AID
dotted decimal
physical network
29. A member of a multicast group. Every multicast client in each group has the same IP address. Multicast addresses begin with 224... and end with 239...
flash
multicast client
carrier
connectionless
30. The portion of a binary number that carries the most weight - the one written farthest to the left. High-order bits are the 1s in the network mask.
single point of failure
high-order bit
loopback
post office protocol
31. 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.
test-net address
flash
ping sweep
router
32. The design on networks that can continue to operate without interruption in the case of hardware - software or communications failures.
fault tolerance
extended star
loopback
most significant bit
33. The spreading of light signal caused by light signals traveling at different speeds through a fiber.
International Organization for Standardization
decapsulation
plug-in
dispersion
34. Defines the commands - headers and processes by which web server and web browsers transfer files.
static route
acknowledgment
default route
hypertext transfer protocol
35. 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
authoritative
Internet Engineering Task Force
protocol suite
logical topology
36. Additional data that is provided with a command to provide information used by the execution of the command. IOS command arguments are entered at the CLI after the command
directly connected network
argument
FIN
bandwidth
37. A 1-bit flag in the TCP header used to indicate that the receiving host should notify the destination process to do urgent processing.
IP address
half duplex
window size
URG
38. The network that combines enterprise networks - individual users - and ISPs into a single global IP network.
TCP/IP
Internet
global configuration mod
octet
39. An internationally recognized definition of technical specifications that ensure worldwide consistency.
cache
dynamic routing
Thicknet
standards
40. 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.
AND
fragmentation
segmentation
extended star
41. The reference to text based logical interfaces on an ios device. These are accesses using telnet or ssh to perform administrative tasks. VTY lines are also called virtual type terminal.
virtual terminal line
delimiter
media-dependent interface crossover
hierarchical addressing
42. Computer hardware - typically used for LANS - that allows the computer to connect to some network cable. The NIC can then send and receive data over the cable at the direction of the computer.
noise
network interface card
positional notation
broadcast address
43. Represents the 0 in the binary number. In an IP subnet mask - the lower-order bits represent the host portion. Sometimes called the host portion of bits.
Internet service provider
priority queing
low-order bit
logical network
44. The glass fibers inside certain cables over which light is transmitted to encode 0 and 1
SYN
synchronous
fiber optics
syntax
45. In the telnet application - commands are always introduced by a character with the decimal code 255 - known as the Interpret as Command character.
Interpret as command
octet
goodput
latency
46. 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
data communications equipment
cache
logical network
runt frame
47. Application-level throughput. It is the number of useful bits per unit of time from a certain source address to a certain destination - excluding protocol overhead and excluding retransmitted data packets.
goodput
daemon
router protocol
tracert
48. An entry in an IP routing table that was created because a network engineer entered the routing information into the router's configuration.
forwarding
static route
bandwidth
Network time protocol
49. 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
Optical time domain reflectometer
default route
source
limited broadcast
50. A logical connection between devices in which the frames are passed between the devices. Virtual circuits are independent of the physical structure and may be established through multiple physical devices.
internetwork
association identity AID
virtual circuit
pinout