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Test your basic knowledge |
CCNA Network Fundamentals Vocab
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Subjects
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cisco
,
it-skills
,
ccna
Instructions:
Answer 50 questions in 15 minutes.
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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. 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.
dispersion
hybrid fiber-coax
goodput
Optical time domain reflectometer
2. IPv4 address of a network host. When talking about host addresses - they are the network layer addresses.
media-dependent interface crossover
session
intermediary device
host address
3. The ability of a protocol. system or component to be modified to fit a new need.
segmentation
encryption
hop
scalability
4. A routing feature in which frames in an interface output queue are prioritized based on various characteristics such as packet size and interface type.
network baseline
Regional Internet Registries
priority queing
full duplex
5. The IPv4 multicast addresses 224.0.0.0 to 224.0.0.255. These addresses are to be used for multicast groups on a local network. Packets to these destinations are always transmitted with a TTTL value of 1
multicast client
delimiter
reserved link-local addresses
default gateway
6. A protocol for synchronizing the clocks of computer systems over packet-switch data networks. NTP uses UDP port 123 as its transport layer.
Network time protocol
asynchronous
network
radio frequency interference
7. 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.
media-dependent interface (MDI)
quality of service
Internet Engineering Task Force
virtual terminal line
8. In ethernet - the process performed by a bridge or switch when it decides that it should not forward a frame out another port
filtering
proxy arp
AND
burned in address
9. The optical or electrical impulse on a physical medium for purposes of communication.
signal
dns resolver
default gateway
protocol data unit
10. 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
Address resolution protocol
distributed
interframe spacing
AND
11. International standardization program created by ISO and ITU-T to develop standards for data networking that facilitate multivendor equipment interoperability
Open systems interconnection
kilobits per second
electromagnetic interface
switch table
12. The range of ip addresses that can be assigned by the DHCP server.
control data
latency
runt frame
address pool
13. 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.
destination IP address
frame
half duplex
bandwidth
14. Devices at the user end of a user-network interface that serves as a data source - destination or both. DTE connects to a data network through a DCE device and typically uses clocking signals generated by the DCE. DTE includes such devices as compute
internetwork
data termianl equipment
half duplex
network segment
15. A network device that accesses a service on another computer remotely by accessing the network.
virtual circuit
gateway
cache
client
16. A process used to verify the identity of a person or process
scalability
SYN
authentication
International Organization for Standardization
17. The IP address of the originating host that is placed into the IP packet header.
source IP address
token passing
metropolitan-area network
carrier sense multiple access (CSMA)
18. A request for information. Queries are answered with replies.
intermediary device
proxy arp
host group
query
19. The forwarding of packets where the forwarding decision is taken dynamically - hop by hop - based on the conditions of downstream fowrading nodes.
distributed
collaborative
selective forwarding
flash
20. 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.
TCP
symmetric switching
host address
server message block
21. A device that connects end devices to the network or interconnects different networks. A router is an example of an intermediary device.
decapsulation
maximum transmission unit
standards
intermediary device
22. 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
physical media
synchronous
download
23. An international - nonprofit organization for the advancement of technology related to eletricity. IEEE maintains the standards defining many LAN protocols.
scheme
gigabit ethernet
Institute of Electrical and Electronics Engineers
host
24. A network architecture designed to eliminate network downtime cause by a single point of failure.
redundancy
Network address translation (NAT)
router
client
25. Data that directs a process. a flag in a data-link frame is an example of control data.
signal
control data
high-order bit
window size
26. 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.
virtual circuit
radio frequency interference
hop
default route
27. A network scanning technique used to identify which host IP addresses are operational.
data termianl equipment
media-dependent interface crossover
ping sweep
hierarchical addressing
28. A layer 4 protocl of TCP/IP model - TCP lets applications guarantee delivery of data across a network.
end device
Logical link control
TCP
Internet Assigned Numbers Authority
29. To transfer data from the computer functioning as a server to the client computer you are using.
latency
subnet
routing table
download
30. An addressing scheme in which a network is partitioned into sections - with the section identifier forming one part of each destination's address and the destination identifier forming another
firewall
ACK
hierarchical addressing
radio frequency interference
31. 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
fault tolerance
acknowledgment number
delimiter
octet
32. A removable component that has memory space for storage. Used on the router or switch for storing the compressed operating system image.
classful addressing
scalability
cyclic redundancy check
flash
33. 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
prviate address
Pad
routing
Internet service provider
34. 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.
nonreturn to zero
domain name
test-net address
pulse amplitude modulation
35. A host or node that participates in some form of a group. For example - p2p technology defines a group of peers that participate jointly in the same activity - each one having a server and client component.
asynchronous
multicast client
peer
network segment
36. In ethernet - the results of two nodes transmitting simlutaneously. The signals from each device are damaged when they combine on the media
default route
digital logic
flash
collision
37. A command on many computer operating systems that discovers the IP addresses - and possibly host names - of the routers used by the network when sending a packet from one computer to another.
dispersion
tracert
quality of service
code gropu
38. 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.
connection oriented
scalability
destination IP address
bit
39. Network layer protocol in the TCP/IP stack offering a connectionless internetwork service. IP provides features for addressing - type-of-service specification - fragmentation and reassembly - and security.
IP
IP header
quality of service
media-dependent interface crossover
40. Network protocols or technologies that do not use the acknowledgment system to guarantee reliable delivery of information
standards
local area network
best effort
multiplexing
41. 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
link-local address
server
digital logic
radix
42. Defines the commands - headers and processes by which web server and web browsers transfer files.
link-local address
TCP/IP
hypertext transfer protocol
test-net address
43. The cabling and connectors used to interconnect the network devices.
manchester encoding
server
physical media
test-net address
44. 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
switch table
default gateway
Regional Internet Registries
virtual circuit
45. 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
collision domain
ARP table
acknowledgment number
46. A 1-bit flag in the tcp header that indicates the acknowledgment field is valid.
interframe spacing
bandwidth
ACK
data termianl equipment
47. The dividing of IP datagrams to meet the MTU requirement of a layer 2 protocol.
Requests for Comments
fragmentation
protocol data unit
octet
48. A service or a program to look up information in the DNS
cyclic redundancy check
nslookup
locally administered address
collision domain
49. An IPv4 multicast address that is restricted to a local group or organization
asynchronous
broadcast
administratively scoped address
internetwork
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.
noise
Thicknet
logical topology
internetwork
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