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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 map of the devices on a network representing how the devices communcate with each other.
internetwork
Time to live
half duplex
logical topology
2. A protocol used to dynamically assign IP configurations to hosts. The services defined by the protocol are used to request and assign an IP address - default gateway - and DNS server address to a network host.
routing table
dynamic host configuration protocol
dynamic or private ports
address pool
3. The time that passes while some event occurs. In networking - latency typically refers to the time that occurs between when something is sent in a network until it is received by another device.
scheme
classless addressing
latency
Organizational Unique Identifier
4. The connection of devices on a common media. Sometimes a physical network is also referred to as a network segment.
hub
physical network
encryption
interframe spacing
5. The ability of a protocol. system or component to be modified to fit a new need.
client
low-order bit
ARP table
scalability
6. The largest IP packet size allowed to be sent out a particular interface. Ethernet interfaces default to an MTU of 1500 because the data field of an Ethernet frame should be limited to 1500 bytes - and the IP packet sits inside the ethernet frame's d
collision
maximum transmission unit
pulse amplitude modulation
half duplex
7. An application level network protocl mainly applied to shared access to files - printers - serial ports - and miscellaneous communications between nodes on a network.
network
round-trip time
full duplex
server message block
8. 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.
IP header
Thicknet
positional notation
radix
9. To transfer data from the computer functioning as a server to the client computer you are using.
SYN
manchester encoding
daemon
download
10. 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
Open systems interconnection
round-trip time
transparent bridging
11. 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
dynamic or private ports
ping sweep
prviate address
client
12. A network device that accesses a service on another computer remotely by accessing the network.
burned in address
standards
code gropu
client
13. A network with a geographic size between a LAN and a WAN. Typically used by service providers to create a highspeed network in a major metropolitan area where many customers might want high speed services between large sites around a city.
collision domain
encode
dotted decimal
metropolitan-area network
14. An international - nonprofit organization for the advancement of technology related to eletricity. IEEE maintains the standards defining many LAN protocols.
limited scope address
default route
loopback
Institute of Electrical and Electronics Engineers
15. 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 local area network
network address
protocol suite
loopback
16. A common term for 10base2 ethernet - referring to the fact that 10base2 cabling is thinner than coaxial cabling used for 10base5
octet
kilobits per second
subnet mask
thinnet
17. 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.
protocol
bit
cyclic redundancy check
hypertext transfer protocol
18. 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
dynamic routing
protocol
ethernet PHY
switch table
19. A request for information. Queries are answered with replies.
single point of failure
network segment
query
ARP poisoning
20. 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
dns resolver
public address
firewall
bit time
21. 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
extended star
IP
switch
broadcast domain
22. 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
URG
server
extended star
cloud
23. The spreading of light signal caused by light signals traveling at different speeds through a fiber.
ping sweep
dispersion
physical topology
TCP
24. Part of a company's intranet that is extended to users outside the company
scope
authentication
extranet
extended star
25. 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
test-net address
registered ports
media independent
26. A series of documents and memoranda encompassing new research - innovations and methodologies applicable to Internet technologies. RFCs are a reference for how technologies should work.
filtering
positional notation
slash format
Requests for Comments
27. The physical interface transceivers. It deals with Layer 1 (the physical layer - hence the PHY) of ethernet.
hierarchical addressing
broadcast domain
dynamic host configuration protocol
ethernet PHY
28. 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
goodput
channel
deterministic
pulse amplitude modulation
29. The optical or electrical impulse on a physical medium for purposes of communication.
signal
scope
subnet
RJ-45
30. 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.
low-order bit
multiplexing
Internet backbone
acknowledgment
31. In networking - a symbol used when drawing network diagrams that represent a part of the network whose details can be ignored for the purposes of the diagram.
cloud
prefix length
flooding
octet
32. The forwarding of packets where the forwarding decision is taken dynamically - hop by hop - based on the conditions of downstream fowrading nodes.
selective forwarding
cyclic redundancy check
server message block
segment
33. A physical or a logical area in a LAN where the signals sent by the interfaces ma be subject o being combined. Within a collision domain - if a device sends a frame on a network segment - every other device on that same segment will receive that fram
collision domain
AND
Open systems interconnection
default gateway
34. Program used to download and send email. Email clients use POP3 to receive emails and use SMTP to send emails. Also called an email client
limited scope address
Mail user agent
best effort
smtp
35. Also known as boolean algebra. These consist of the AND OR and IF operations
digital logic
domain name
scope
encode
36. 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
maximum transmission unit
Regional Internet Registries
packet
proxy arp
37. A unicast IP address that is considered to have three parts: a network part - a subnet part - and a host part. The term classful refers to the fact that classful network rules are first applied to the address - and then the rest of the address can be
classful addressing
IP header
physical address
cloud
38. Normally - a relatively general term that refers to dfifferent kinds of networking devices. Historically - when routers were created - they were called gateways
Regional Internet Registries
gateway
fast ethernet
ARP poisoning
39. 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.
fiber-optic cable
Open systems interconnection
priority queing
4b/5b
40. As filed in the TCP header that is set in a sent segment - signifies the maximum amount of unacknowledged data the host is willing to receive before the other sending host must wait for an acknowledgment.
decapsulation
authentication
window size
server message block
41. 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
physical media
argument
protocol
registered ports
42. 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
data communications equipment
noise
global configuration mod
server
43. A device that connects multiple network segments at the data link layer of the OSI model. Bridges were the predecessor to LAN switches.
collaborative
bridge
logical network
physical network
44. A process used by a switch or bridge to forward broadcasts and unknown destination unicasts. The bridge/switch forwards these frames out all ports except the port on which the frame was received.
standards
flooding
Requests for Comments
resource records
45. A network model defined by the IETF that has been implemented on most computers and network device in the world.
TCP/IP
smtp
fiber-optic cable
physical address
46. A 1-bit flag in the TCP header that is used to request that a connection be re-established.
scope
Pad
RST
console port
47. A form of transmission where one device transmits to all devices within the network or on another network
Internet
broadcast
gigabit ethernet
node
48. Defines the commands - headers and processes by which web server and web browsers transfer files.
hypertext transfer protocol
window size
carrier
protocol suite
49. The minimum time a NIC or interface can take to send an entire frame. Slot time - then - implies a minimum frame size.
channel
fiber-optic cable
slot time
client
50. 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
Institute of Electrical and Electronics Engineers
connection oriented
distributed
peer