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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. Communication that only allows one station to receive while the other station is transmitting
half duplex
address pool
router protocol
Organizational Unique Identifier
2. The loss of communication signal on the media. This loss is due to degradation of the energy wave over time.
Network time protocol
attenuation
dynamic routing
argument
3. An IPV4 addressing scheme that uses a subnet mask that does not follow classful addressing limitations. It provides increased flexibility when dividing ranges of IP addresses into separate networks. Classless addressing is considered the best in curr
physical media
directly connected network
bit
classless addressing
4. In ethernet - the process performed by a bridge or switch when it decides that it should send a frame out another port.
Thicknet
client
scheme
forwarding
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.
RJ-45
runt frame
kilobits per second
smtp
6. A special reserved IPv4 address - 127.0.0.1 that can be used to test TCP/IP applications. Packets sent to 127.0.0.1 by a computer never leave the computer or even require working NIC. Instead - the packet is processed by IP at the lowest layer and is
virtual circuit
loopback
authentication
symmetric switching
7. 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
tracert
acknowledgment
interframe spacing
authentication
8. In a web browser - an application the browser uses - inside the browser window to display some types of content. For example - a browser typically uses a plug-in to display video.
control data
proxy arp
plug-in
collaborative
9. 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
shielded twisted pair cable
segment
test-net address
Interpret as command
10. The standards body responsible for the development and approval of TCP/IP standards
physical address
bridge table
Internet Engineering Task Force
broadcast
11. A rectangular cabling connector with eight pins - often used with ethernet cables.
RJ-45
filtering
public address
broadcast
12. 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
Requests for Comments
switch table
runt frame
protocol
13. A notification sent from one network device to another to confirm that some event has occured.
acknowledgment
Network time protocol
switch table
virtual terminal line
14. The devices and connections of a communications network that comprise the network end of the user to network interface. The DCE provides a physical connection to the network - forwards traffic - and provides a clocking signal used to synchronize data
download
virtual local area network
data communications equipment
flooding
15. 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.
protocol suite
static route
nslookup
virtual circuit
16. 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.
shielded twisted pair cable
dotted decimal
Optical time domain reflectometer
control data
17. The first half of a MAC address. Manufactures must ensure that the value of the OUI has been registered with the IEEE. This value identifies the manufacturer of any Ethernet NIC or interface.
Organizational Unique Identifier
classful addressing
Internet Engineering Task Force
pulse amplitude modulation
18. In the telnet application - commands are always introduced by a character with the decimal code 255 - known as the Interpret as Command character.
radio frequency interference
Internet service provider
Interpret as command
domain name
19. 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
bridge table
static route
intranet
20. 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
octet
Internet backbone
packet
daemon
21. A term that describes IPv4 packets sent to all hosts in a particular network. In a directed broadcast - a single copy of the packet is routed to the specified network - where it is broadcast to all hosts on that network
directed broadcast
high-order bit
domain name system
host group
22. The process of forwarding frames in a switch or a bridge from one port to another port or from segment to segment
collision domain
data termianl equipment
registered ports
bridging
23. Radio frequencies that creat noise that interferes with information being transmitted across unshielded copper cabling.
source IP address
plug-in
radio frequency interference
multicast client
24. Routing table entry that is used to direct frames for which a next hop is not explicitly listed in the routing table. This route is used to forward a packet when no other known route exists for a give packet's destination address.
network baseline
virtual circuit
International Organization for Standardization
default route
25. The spreading of light signal caused by light signals traveling at different speeds through a fiber.
hybrid fiber-coax
dispersion
priority queing
gigabit ethernet
26. 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
network interface card
end device
27. 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
domain name
keyword
fast ethernet
28. 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
server
token passing
network interface card
daemon
29. The lower of the two sublayers of the IEEE standard for ethernet. It is also the name of that sublayer
static route
virtual circuit
media access control
metropolitan-area network
30. Line code in which 1s are represented by one significant condition and 0s are represented by another.
binary
nonvolatile RAM (NVRAM)
nonreturn to zero
Pad
31. A process used to verify the identity of a person or process
Internet
bit time
Requests for Comments
authentication
32. A plan - design or program of action to be followed. Sometimes an addressing plan is called an addressing SCHEME.
scheme
media independent
jam signal
broadcast
33. Routing that adjusts automatically to network topology or traffic changes.
media-dependent interface crossover
FIN
limited broadcast
dynamic routing
34. A 1-bit flag in the TCP header that is used to request that a connection be re-established.
server message block
transparent bridging
RST
logical topology
35. Line code in which each bit of data is signified by at least one voltage level transition.
radio frequency interference
nonvolatile RAM (NVRAM)
administratively scoped address
manchester encoding
36. Path through an internetwork through which packets are forwarded.
forwarding
router
best effort
Institute of Electrical and Electronics Engineers
37. 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.
low-order bit
broadcast address
user executive mode
dynamic or private ports
38. Translation RFC 1918 addresses to public domain addresses. Because RFC 1918 addresses are not routerd on the Internet - hosts accessing the Internet must use public domain addresses.
high-order bit
Institute of Electrical and Electronics Engineers
Network address translation (NAT)
flow control
39. 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.
ARP poisoning
window size
Pad
nonvolatile RAM (NVRAM)
40. In networking - a measurement of the speed of bits that can be transmitted over a particular link. It is the amount of data that can be transmitted in a certain amount of time. For digital bandwidth it is usually expressed in bits per second.
collision
keyword
MAC table
bandwidth
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.
firewall
Network time protocol
nonvolatile RAM (NVRAM)
virtual terminal line
42. 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
noise
carrier sense multiple access collision detect (CSMA/CD)
encryption
transparent bridging
43. An international - nonprofit organization for the advancement of technology related to eletricity. IEEE maintains the standards defining many LAN protocols.
segmentation
network address
Institute of Electrical and Electronics Engineers
quality of service
44. A network device that has an IPv4 address assigned to it to communication over a network.
host
virtual circuit
carrier sense multiple access (CSMA)
well known ports
45. 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
ARP poisoning
firewall
routing
46. 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
goodput
Thicknet
loopback
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
scalability
post office protocol
carrier
48. The arrangement of the nodes in a network and the physical connections between them. This is the representation of how the media is used to connect the devices.
association identity AID
physical topology
pinout
digital logic
49. 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.
argument
fiber-optic cable
symmetric switching
physical media
50. 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
argument
segment
classful addressing