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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 international standards body that defines many networking standards. Also - the standards body that created the OSI model.
bridge
subnet mask
International Organization for Standardization
routing
2. 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.
high-order bit
media-dependent interface (MDI)
MAC table
dispersion
3. 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
electromagnetic interface
jam signal
node
network interface card
4. To transfer data from the computer functioning as a server to the client computer you are using.
RST
TCP/IP
bridging
download
5. In ethernet a layer 2 device that receives an electrical signal in one port - interprets the bits - and makes a filtering or forwarding decision about the frame. If it forward - it sends a regenerated signal. Switches typically have many physical por
pulse amplitude modulation
switch
locally administered address
IP header
6. 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.
Pad
authentication
fragmentation
internetwork
7. 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
protocol data unit
signal
carrier
pinout
8. In networking - this term is used in several ways. With ethernet hub and switch hardware - port is simply another name for interface - which is a physical connector in the swithc into whic a cable can be connected. With TCP and UDP - a port is a soft
port
cloud
IP address
broadcast address
9. 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
ping sweep
priority queing
classless addressing
high-order bit
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
authentication
shielded twisted pair cable
syntax
11. 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.
subnet mask
multicast group
firewall
Internet backbone
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
nonvolatile RAM (NVRAM)
channel service unit/data service unit
broadcast address
virtual local area network
13. An IPv4 multicast address that is restricted to a local group or organization.
source
IP
limited scope address
extranet
14. 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.
source IP address
switch table
default route
proxy arp
15. 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.
low-order bit
smtp
unshieled twisted-pair
SYN
16. A computer program that runs in the background and is usually initiated as a process. Daemons often support server processes.
asynchronous
collision
daemon
domain name
17. An entry in an IP routing table that was created because a network engineer entered the routing information into the router's configuration.
global configuration mod
jam signal
static route
fragmentation
18. Ethernet that transmits data at 1 -000 -000 -000 one billion bits per second.
server message block
argument
gigabit ethernet
burned in address
19. 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.
filtering
ethernet PHY
redundancy
synchronous
20. Radio frequencies that creat noise that interferes with information being transmitted across unshielded copper cabling.
carrier
TCP/IP
radio frequency interference
limited broadcast
21. Information systems that allow the creation of a document or documents that can be edited by more than one person in real time
octet
collaborative
Internet Assigned Numbers Authority
flooding
22. 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
ARP cache
SYN
multicast group
Internet control message protocol
23. A 32-bit field in the tcp segment header that specifies the sequence number of the next byte this host expects to receive as a part of the TCP session. It is used to recognize lost packets and flow control
acknowledgment number
intranet
bridge
redundancy
24. 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.
cloud
syntax
multicast client
deterministic
25. 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
Internet backbone
broadcast address
encryption
IP header
26. 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
full duplex
static route
download
subnet mask
27. 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.
smtp
daemon
client
switch
28. The MAC address that is permanently assigned to a LAN interface or NIC. It is called burned-in because the address is burned into a chip on the card - and the address cannot be changed. Also called universally administered address.
limited scope address
burned in address
broadcast
firewall
29. 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
cloud
server
collision domain
transparent bridging
30. A map of the devices on a network representing how the devices communcate with each other.
ARP poisoning
control data
delimiter
logical topology
31. The limited CLI mode where the commands available to the user are a subset of those available at the privileged level. In general - use the user Exec commands to temporarily change terminal settings - perform basic tests and list system information.
link-local address
binary
hypertext transfer protocol
user executive mode
32. The loss of communication signal on the media. This loss is due to degradation of the energy wave over time.
prefix length
client
attenuation
fiber-optic cable
33. Also known as boolean algebra. These consist of the AND OR and IF operations
digital logic
scalability
console port
limited scope address
34. The layer 3 address to which the data is going.
IP
destination IP address
forwarding
radio frequency interference
35. 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.
end device
bridge table
noise
physical media
36. 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
bridging
maximum transmission unit
static route
nonvolatile RAM (NVRAM)
37. The passage of a data packet between two network nodes.
network address
interframe spacing
fault tolerance
hop
38. Random-access memory that does not lose its contents when the computer is shut down
nonvolatile RAM (NVRAM)
Pad
scope
physical media
39. 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
broadcast
router protocol
slot time
40. 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
distributed
standards
bridge table
subnet
41. 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
console port
download
radix
internetwork
42. 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.
RJ-45
4b/5b
argument
high-order bit
43. International standardization program created by ISO and ITU-T to develop standards for data networking that facilitate multivendor equipment interoperability
Open systems interconnection
host address
forwarding
proxy arp
44. A grouping of code that meets a certain - already specified - condition for entering in that certain group.
code gropu
internetwork
AND
protocol suite
45. A group of IP addresses that have the same value in the first part of the IP addresses - for the purpose of allowing routing to identify the group by the inital part of the addresses. IP addresses in the same subnet typically sit on the same network
media-dependent interface crossover
Internet control message protocol
gateway
subnet
46. A data link layer address - for example a MAC address
carrier
Internet Engineering Task Force
dynamic or private ports
physical address
47. The actual data transfer rate between two computers at some point in time. Throughput is impacted by the slowest-speed link used to send data between the two computers - as well as myriad variables that might change during the course of a day.
data communications equipment
global configuration mod
throuhpu
router protocol
48. A network device that accesses a service on another computer remotely by accessing the network.
client
broadcast address
filtering
shielded twisted pair cable
49. The forwarding of packets where the forwarding decision is taken dynamically - hop by hop - based on the conditions of downstream fowrading nodes.
convergence
Internet Engineering Task Force
selective forwarding
media independent
50. The structure and order of words in a computer language
router
multicast group
Internet Assigned Numbers Authority
syntax