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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 logical storage in the host's RAM to store ARP entries
selective forwarding
dns resolver
network address
ARP cache
2. A company that helps create the Internet by providing connectivity to enterprises and individuals - as well as interconnecting to other ISPs to create connectivity to all other ISPs.
round-trip time
Internet service provider
prviate address
authentication
3. A routing feature in which frames in an interface output queue are prioritized based on various characteristics such as packet size and interface type.
intranet
priority queing
fragmentation
router
4. To transfer data from the computer functioning as a server to the client computer you are using.
switch table
protocol
download
code gropu
5. Ethernet that transmits data at 1 -000 -000 -000 one billion bits per second.
Network time protocol
gigabit ethernet
well known ports
domain name system
6. A process used to verify the identity of a person or process
authentication
classless addressing
ping sweep
window size
7. 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
switch table
Interpret as command
data termianl equipment
distributed
8. A common name for ethernet technology that operates at 100 mbps.
transparent bridging
fast ethernet
enable password
Packet Tracer
9. MDIX is an alternative operation of ethernet ports on a hub. In this mode - the mapping of the wire pairs used in the hub port is in a crossover configuration. This allows you to use a straight-through cable to interconnect the hub to another hub.
Packet Tracer
PSH
media-dependent interface crossover
association identity AID
10. 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
bit time
4b/5b
gigabit ethernet
11. A network device that has an IPv4 address assigned to it to communication over a network.
host
download
Regional Internet Registries
Address resolution protocol
12. 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
router
channel service unit/data service unit
deterministic
fiber optics
13. A data link layer address - for example a MAC address
media-dependent interface crossover
Internet service provider
physical address
bridging
14. Used by tcp or udp - with values between 0 and 1023 - these ports are allocated by high-privilege processes. They are used so that all clients know the correct port number to connect to.
well known ports
dynamic routing
proxy arp
destination IP address
15. 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
post office protocol
Optical time domain reflectometer
authoritative
token passing
16. The process of forwarding frames in a switch or a bridge from one port to another port or from segment to segment
single point of failure
radio frequency interference
fragmentation
bridging
17. 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
carrier sense multiple access collision detect (CSMA/CD)
scheme
proxy arp
18. 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.
IP header
carrier sense multiple access collision detect (CSMA/CD)
4b/5b
slot time
19. Random-access memory that does not lose its contents when the computer is shut down
nonvolatile RAM (NVRAM)
data termianl equipment
Optical time domain reflectometer
Internet Assigned Numbers Authority
20. Also known as boolean algebra. These consist of the AND OR and IF operations
administratively scoped address
network
IP header
digital logic
21. The number of various unique digits - including 0 that a positional number system uses to represent numbers. For example - in the binary system (base 2) the radix is 2. In the decimal system the radix is 10.
slot time
Requests for Comments
radix
physical network
22. The process of obscuring information to make it unreadable without special knowledge - somtimes referred to as scrambling. The process takes the data to be encrypted and applies a mathematical formula to it along with a secret number. The resulting v
internetwork
standards
Pad
encryption
23. 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
routing table
classless addressing
subnet mask
noise
24. Defines which wires in a cable should connect to each pin on the connectors on both ends of a cable. For example - a UTP cable used for ethernet - used for a straight-through cable pinout - connects the wire at pin 1 on one end with the pin 1 on the
virtual local area network
pinout
symmetric switching
physical topology
25. In ethernet - the process performed by a bridge or switch when it decides that it should not forward a frame out another port
filtering
fiber-optic cable
server message block
administratively scoped address
26. The network that combines enterprise networks - individual users - and ISPs into a single global IP network.
multiplexing
Internet
router protocol
intranet
27. A high-speed line or series of connections that forms a major pathway within a network. The term is often used to describe the main network connections comprising the Internet.
public address
hybrid fiber-coax
Internet backbone
MAC table
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
flow control
server
network address
protocol data unit
29. 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
carrier sense multiple access collision detect (CSMA/CD)
Internet control message protocol
ethernet PHY
well known ports
30. A network device that accesses a service on another computer remotely by accessing the network.
client
ARP table
domain name
cloud
31. An address used to represent a transmission from one device to all devices. In ethernet - the sepcial ethernet address FFFF.FFFF.FFFF is used as a destination MAC address to cause a frame to be sent to all devices on an ethernet LAN. In IPV4 - each s
Address resolution protocol
intermediary device
token passing
broadcast address
32. A device that connects end devices to the network or interconnects different networks. A router is an example of an intermediary device.
MAC table
intermediary device
hypertext transfer protocol
Time to live
33. 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.
goodput
syntax
dns resolver
collaborative
34. A map of the devices on a network representing how the devices communcate with each other.
logical topology
registered ports
multiplexing
collaborative
35. 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.
Thicknet
virtual terminal line
pulse amplitude modulation
latency
36. 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
fiber optics
dns resolver
ARP cache
37. 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.
proxy arp
digital logic
TCP/IP
global configuration mod
38. The physical interface transceivers. It deals with Layer 1 (the physical layer - hence the PHY) of ethernet.
ethernet PHY
extended star
default route
node
39. 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.
hypertext transfer protocol
directed broadcast
network interface card
local area network
40. A computer program that runs in the background and is usually initiated as a process. Daemons often support server processes.
daemon
ACK
routing
physical address
41. 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.
tracert
protocol
virtual terminal line
bit
42. A common term for 10base5 ethernet - referring to the fact that 10base5 cabling is thicker than the coaxial cabling used for 10base2.
RST
IP address
Thicknet
full duplex
43. 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.
connectionless
physical topology
port
full duplex
44. An international - nonprofit organization for the advancement of technology related to eletricity. IEEE maintains the standards defining many LAN protocols.
Institute of Electrical and Electronics Engineers
physical address
multicast client
classful addressing
45. 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.
logical network
frame
dynamic host configuration protocol
gigabit ethernet
46. A numbering system characterized by 1 and 0
slot time
binary
node
enable password
47. 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.
ARP table
instant messaging
interframe spacing
Packet Tracer
48. The IP address of the originating host that is placed into the IP packet header.
flow control
prviate address
source IP address
Thicknet
49. A drag-and-drop network simulator developed by Cisco to design - configure and troubleshoot network equipment within a controlled - simulated program environment.
Packet Tracer
directly connected network
collaborative
hypertext transfer protocol
50. 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.
administratively scoped address
Requests for Comments
deterministic
internetwork