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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. An internet wide system by which a hierarchical set of DNS servers collectively hold all the name IP address mappings - with DNS servers referring users to the correct DNS server to successfully resolve a DNS name.
Internet Engineering Task Force
domain name system
bit
low-order bit
2. 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
channel service unit/data service unit
protocol suite
asynchronous
network interface card
3. 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
Open systems interconnection
half duplex
selective forwarding
bit time
4. A communication path over a medium used to transport information from a sender to a receiver. Multiple channels can be multiplexed over a single cable
channel
keyword
source
dynamic host configuration protocol
5. An entry in an IP routing table that was created because a network engineer entered the routing information into the router's configuration.
full duplex
virtual local area network
intranet
static route
6. A 32-bit number - written in dotted decimal notation - used by the IP to uniquely identify an interface connected to an IP network. It is also used as a destination address in an IP header to allow routing - and as a source address to allow a compute
IP address
slot time
dotted decimal
full duplex
7. This field of a frame signals the beginning or end of a frame.
delimiter
bandwidth
media-dependent interface (MDI)
collaborative
8. 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
transparent bridging
media-dependent interface (MDI)
keyword
host address
9. Line code in which each bit of data is signified by at least one voltage level transition.
channel service unit/data service unit
encode
manchester encoding
pinout
10. A layer 4 protocl of TCP/IP model - TCP lets applications guarantee delivery of data across a network.
TCP
ARP table
broadcast
multiplexing
11. The passage of a data packet between two network nodes.
RST
hop
channel service unit/data service unit
scalability
12. Real-time communication between two or more people through text. The text is conveyed through computers connected over a network such as the internet. files can also be transferred through the IM program to share files.
network address
classful addressing
instant messaging
pinout
13. 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.
intermediary device
internetwork
source
bit time
14. A protocol used between routers so that they can learn routes to add to their routing tables.
carrier
router protocol
International Organization for Standardization
limited broadcast
15. A network device that accesses a service on another computer remotely by accessing the network.
client
global configuration mod
jam signal
ARP poisoning
16. 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
Open systems interconnection
peer
ARP cache
subnet mask
17. A drag-and-drop network simulator developed by Cisco to design - configure and troubleshoot network equipment within a controlled - simulated program environment.
ARP cache
interframe spacing
Packet Tracer
media-dependent interface crossover
18. 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
jam signal
multicast group
round-trip time
19. 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
attenuation
user executive mode
console port
physical address
20. Unique addresses that are public domain addresses.
virtual terminal line
broadcast address
ARP cache
globally scoped addresses
21. To change the energy levels transmitted over some networking medium to transmit bits over that medium.
encode
extended star
nslookup
IP header
22. A time period between ethernet frames that allows fairness with the CSMA/CD algorithm. Without a space between frames in other words - without some time with no frames being sent a NIC might always listen for silence - never hear silence and therefor
interframe spacing
redundancy
destination IP address
switch
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
high-order bit
kilobits per second
network address
24. A network device - typically connected to a range of LAN and WAN interfaces - that forwards packets based on their destination IP addresses.
public address
router
round-trip time
nonvolatile RAM (NVRAM)
25. 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.
thinnet
classful addressing
full duplex
segment
26. An ethernet frame that is less than 64 bytes in size. Runts are caused by collisions and are also know as collision fragments
multiplexing
slash format
runt frame
resource records
27. The layer 2 pdu that has been encoded by a data link layer protocol for digital transmission. Some different kinds of frames are ethernet frames and PPP frames.
virtual terminal line
Pad
frame
source
28. The layer 3 address to which the data is going.
destination IP address
flash
authoritative
router
29. 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.
address pool
low-order bit
overhead
radio frequency interference
30. A routing feature in which frames in an interface output queue are prioritized based on various characteristics such as packet size and interface type.
hypertext transfer protocol
store and forward
RJ-45
priority queing
31. 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.
SYN
syntax
burned in address
download
32. Unencrypted password used to allow access to privledge EXEC mode from IOS user EXEC mode.
protocol data unit
bridge table
enable password
media access control
33. IPv4 address of a network host. When talking about host addresses - they are the network layer addresses.
multicast client
fiber optics
acknowledgment
host address
34. A common term for 10base2 ethernet - referring to the fact that 10base2 cabling is thinner than coaxial cabling used for 10base5
kilobits per second
thinnet
fault tolerance
gigabit ethernet
35. The ability of a protocol. system or component to be modified to fit a new need.
cache
pulse amplitude modulation
extended star
scalability
36. 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.
multicast client
slash format
broadcast
bridge table
37. 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
router
slash format
transparent bridging
scope
38. Defines the commands - headers and processes by which web server and web browsers transfer files.
carrier sense multiple access collision detect (CSMA/CD)
carrier
smtp
hypertext transfer protocol
39. An internationally recognized definition of technical specifications that ensure worldwide consistency.
code gropu
query
standards
authentication
40. A 1-bit flag in the TCP header that is used to request that a connection be re-established.
synchronous
RST
IP header
authoritative
41. An encoding scheme 4B/5B uses 5-bit symbols and codes to represent 4 bits of data. 4B/5B is used in 100Base-tx ethernet.
4b/5b
high-order bit
switch
administratively scoped address
42. A device on a network that serves as an access point to other networks. A default gateway is used by a host to forward IP packets that have destination addresses outside the local subnet. A router interface typically is used as the default gateway. W
default gateway
multicast group
best effort
ARP poisoning
43. 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...
smtp
binary
multicast client
acknowledgment
44. 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.
International Organization for Standardization
segmentation
convergence
quality of service
45. International standardization program created by ISO and ITU-T to develop standards for data networking that facilitate multivendor equipment interoperability
intermediary device
URG
Optical time domain reflectometer
Open systems interconnection
46. 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.
RJ-45
selective forwarding
nonreturn to zero
network interface card
47. A process used to verify the identity of a person or process
authentication
intermediary device
prviate address
multicast client
48. A group that receives a multicast transmission. The members of a multicast group have the same mulitcast IP addressing to receive the same transmission.
multicast group
destination IP address
classless addressing
subnet
49. TCP or UDP ports that range from 49152 to 65535 and are not used by any defined server applications.
dynamic or private ports
cache
authoritative
extended star
50. A network created for devices located in a limited geographic area - through which the company owning the LAN has the right to run cables.
carrier sense multiple access (CSMA)
hierarchical addressing
local area network
filtering