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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. 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
smtp
Mail user agent
segment
destination IP address
2. A device such as a desktop or mobile device that is used by an end user.
instant messaging
end device
ACK
subnet
3. 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.
MAC table
round-trip time
redundancy
globally scoped addresses
4. The optical or electrical impulse on a physical medium for purposes of communication.
hypertext transfer protocol
signal
Institute of Electrical and Electronics Engineers
hub
5. 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
asynchronous
hierarchical addressing
RJ-45
6. A member of a multicast group. Every multicast client in each group has the same IP address. Multicast addresses begin with 224... and end with 239...
classful addressing
multicast client
fragmentation
Packet Tracer
7. 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
virtual terminal line
routing table
subnet
Mail user agent
8. 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.
radio frequency interference
bandwidth
domain name
address pool
9. Defines the commands - headers and processes by which web server and web browsers transfer files.
router
scalability
daemon
hypertext transfer protocol
10. 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
round-trip time
virtual local area network
bandwidth
11. A protocol for synchronizing the clocks of computer systems over packet-switch data networks. NTP uses UDP port 123 as its transport layer.
frame
Network time protocol
user executive mode
prviate address
12. 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.
most significant bit
symmetric switching
subnet mask
data termianl equipment
13. A form of transmission where one device transmits to all devices within the network or on another network
network segment
source IP address
best effort
broadcast
14. A network of computers that behave as if they are connected to the same network segment - even through they might be physically located on different segments of a LAN. VLANs are configured through software on the switch and router.
syntax
server message block
virtual local area network
subnet
15. A group that receives a multicast transmission. The members of a multicast group have the same mulitcast IP addressing to receive the same transmission.
subnet mask
most significant bit
bridging
multicast group
16. 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.
bridge table
classless addressing
server message block
International Organization for Standardization
17. A method of internal processing by LAN switches. The switch must receive the entire frame before it sends the first bit of the frame. Store and forward switch is the method used by cisco switches.
store and forward
symmetric switching
bit
low-order bit
18. 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.
runt frame
window size
flow control
RJ-45
19. A notification sent from one network device to another to confirm that some event has occured.
acknowledgment
manchester encoding
static route
firewall
20. A signal on a medium used to support the transmission of data. Data is carried over the medium by modulation.
unshieled twisted-pair
host group
token passing
carrier
21. The structure and order of words in a computer language
syntax
throuhpu
tracert
global configuration mod
22. An access method used with some LAN technologies by which devices access the media in a controlled manner. This access to the LAN is managed using a small frame called a toke. A device can send only when it has claimed the use of the token.
code gropu
full duplex
token passing
flow control
23. A system of network design characterized by one or more major components that are required to maintain operation.
intranet
prefix length
single point of failure
radio frequency interference
24. The normal operation of ethernet ports on a hub. In this mode - the mapping of the wire pairs in the hub port is in a normal configuration. Some hubs provide a media-dependent interface/media-dependent interface - crossover switch. This switch is usu
IP header
ARP poisoning
media-dependent interface (MDI)
attenuation
25. 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
network segment
flooding
authoritative
26. The networking layers whose processes are not affected by the media being used. In ethernet - these are all the layers from the LLC sublayer of data link upward.
broadcast
burned in address
frame
media independent
27. The forwarding of packets where the forwarding decision is taken dynamically - hop by hop - based on the conditions of downstream fowrading nodes.
standards
Optical time domain reflectometer
selective forwarding
broadcast domain
28. 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
interframe spacing
classful addressing
plug-in
hypertext transfer protocol
29. An entry in an IP routing table that was created because a network engineer entered the routing information into the router's configuration.
kilobits per second
router protocol
control data
static route
30. An internet wide system by which a hierarchical set of DNS servers collectively hold all the name IP address mappings - with DNS servers referring users to the correct DNS server to successfully resolve a DNS name.
syntax
authoritative
domain name system
International Organization for Standardization
31. A protocol used between routers so that they can learn routes to add to their routing tables.
link-local address
router protocol
destination IP address
prefix length
32. Normally - a relatively general term that refers to dfifferent kinds of networking devices. Historically - when routers were created - they were called gateways
throuhpu
gateway
authentication
Time to live
33. A removable component that has memory space for storage. Used on the router or switch for storing the compressed operating system image.
directly connected network
fault tolerance
flash
low-order bit
34. A control mechanism that can provide different priorities to different users or data flows - or guarantee a certain level of performance to a data flow in accordance with requests from the application program.
quality of service
metropolitan-area network
switch
acknowledgment
35. A technique used to attack an ethernet network by sending fake ARP messages to an ethernet LAN. These frames contain false MAC addresses that confuse network devices - such as switches. As a result - frames intended for one node can be mistakenly sen
server
bandwidth
extended star
ARP poisoning
36. 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.
symmetric switching
slash format
bit
metropolitan-area network
37. The physical interface transceivers. It deals with Layer 1 (the physical layer - hence the PHY) of ethernet.
loopback
daemon
ethernet PHY
smtp
38. A grouping of code that meets a certain - already specified - condition for entering in that certain group.
prefix length
unshieled twisted-pair
code gropu
thinnet
39. 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
attenuation
bit time
bit
interframe spacing
40. A common term for 10base2 ethernet - referring to the fact that 10base2 cabling is thinner than coaxial cabling used for 10base5
electromagnetic interface
thinnet
Pad
bridge
41. An IP address that has been registered with IANA or one of its member agencies - which guarantees that the address is globally unique. Globally unique public IP addresses can be used for packets sent through the Internet.
manchester encoding
nonvolatile RAM (NVRAM)
public address
network baseline
42. A dotted decimal number defined by the IPv4 protocol to represent a network or subnet. It represents the network that hosts reside in. Also called a network number or network ID.
network interface card
network address
overhead
URG
43. 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.
ACK
encode
default route
classless addressing
44. An internationally recognized definition of technical specifications that ensure worldwide consistency.
syntax
physical media
classful addressing
standards
45. Any communication in which the sender and receiver do not prearrange for communications to occur
AND
connectionless
data termianl equipment
Institute of Electrical and Electronics Engineers
46. Information systems that allow the creation of a document or documents that can be edited by more than one person in real time
collaborative
routing table
dynamic routing
router protocol
47. The portion of a binary number that carries the most weight - the one written farthest to the left. High-order bits are the 1s in the network mask.
dynamic or private ports
dispersion
channel
high-order bit
48. 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.
binary
media-dependent interface crossover
TCP
encryption
49. Unique addresses that are public domain addresses.
protocol suite
Internet service provider
globally scoped addresses
window size
50. 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.
association identity AID
protocol data unit
well known ports
control data