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Test your basic knowledge |
CCNA Network Fundamentals Vocab
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Subjects
:
cisco
,
it-skills
,
ccna
Instructions:
Answer 50 questions in 15 minutes.
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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. Any combination of hardware device and/or software application designed to protect network devices from outside network users and/or malicious applications and files.
firewall
convergence
electromagnetic interface
Network address translation (NAT)
2. The learning of source addresses on incoming frames and adding them to the bridging table. After the table has been completed and when a frame is received on one of the bridge's interfaces - the bridge looks up the frame's destination address in its
transparent bridging
backoff algorithm
selective forwarding
network baseline
3. Resources used to manage or operate the network. Overhead consumes bandwidth and reduces the amount of application data that can be transported across the network.
overhead
ARP cache
RST
multicast client
4. A service or a program to look up information in the DNS
nslookup
IP
argument
store and forward
5. A network that is connected to a device's interface. For example networks that interface with the router are known to be directly connected. Devices learn their initial IP routes based on being connected to these subnets.
connectionless
protocol suite
octet
directly connected network
6. 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.
hierarchical addressing
protocol suite
distributed
deterministic
7. An entry in an IP routing table that was created because a network engineer entered the routing information into the router's configuration.
smtp
RJ-45
media-dependent interface (MDI)
static route
8. 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.
association identity AID
physical media
Internet backbone
host address
9. Path through an internetwork through which packets are forwarded.
Mail user agent
router
cloud
peer
10. Communication where the sender and receiver must prearrange for communications to occur; otherwise - the communication fails.
Internet backbone
domain name system
connection oriented
Organizational Unique Identifier
11. A protocol for synchronizing the clocks of computer systems over packet-switch data networks. NTP uses UDP port 123 as its transport layer.
nonvolatile RAM (NVRAM)
address pool
bandwidth
Network time protocol
12. 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.
octet
radix
collision
media independent
13. A data link layer address - for example a MAC address
authentication
physical address
source
flash
14. 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.
high-order bit
jam signal
hop
interframe spacing
15. An application level network protocl mainly applied to shared access to files - printers - serial ports - and miscellaneous communications between nodes on a network.
standards
binary
server message block
console port
16. 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
thinnet
daemon
default gateway
hierarchical addressing
17. In TCP - the process of taking a large chunk of data and breaking it into small enough pieces to fit within a TCP segment without breaking any rules about the maximum amount of data allowed in a segment.
segmentation
latency
download
node
18. 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
channel service unit/data service unit
link-local address
enable password
multiplexing
19. A network that incorporates both optical fiber along with coaxial cable to create a broadband network. commonly used by cable tv companies.
data communications equipment
hybrid fiber-coax
digital logic
Regional Internet Registries
20. 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
overhead
filtering
fault tolerance
21. Communication that does not use a common clock between the sender and receiver. To maintain timing - additional information is sent to synchronize the receive circuit to the incoming data. For ethernet at 10MBPS - the ethernet devices do not send ele
nonvolatile RAM (NVRAM)
classless addressing
priority queing
asynchronous
22. Communication that only allows one station to receive while the other station is transmitting
goodput
delimiter
data termianl equipment
half duplex
23. An organization that assigns the numbers important to the proper operation of the TCP/IP protocol and the Internet - including assigning globally unique IP addresses.
Internet Assigned Numbers Authority
pinout
default gateway
packet
24. A term that describes IPv4 packets sent to all hosts in a particular network. In a directed broadcast - a single copy of the packet is routed to the specified network - where it is broadcast to all hosts on that network
cloud
physical media
directed broadcast
radix
25. The arrangement of the nodes in a network and the physical connections between them. This is the representation of how the media is used to connect the devices.
store and forward
packet
physical topology
multicast group
26. A routing feature in which frames in an interface output queue are prioritized based on various characteristics such as packet size and interface type.
classless addressing
extranet
Network address translation (NAT)
priority queing
27. A common term for 10base2 ethernet - referring to the fact that 10base2 cabling is thinner than coaxial cabling used for 10base5
ARP cache
nslookup
thinnet
daemon
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.
domain name
hybrid fiber-coax
burned in address
IP
29. Media access methodology in which a node wishing to transmit listens for a carrier wave before trying to send. If a carrier is sensed - the node waits for the transmission in progress to finish before initiating its own transmission.
administratively scoped address
Packet Tracer
jam signal
carrier sense multiple access (CSMA)
30. The passage of a data packet between two network nodes.
electromagnetic interface
hop
dynamic host configuration protocol
full duplex
31. A process where multiple digital data streams are combined into one signal.
cloud
administratively scoped address
URG
multiplexing
32. 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
Time to live
Address resolution protocol
asynchronous
33. A process used to verify the identity of a person or process
thinnet
octet
prviate address
authentication
34. Network protocols or technologies that do not use the acknowledgment system to guarantee reliable delivery of information
best effort
prviate address
virtual local area network
test-net address
35. A group defined by a class D address (multicast - ranging from 224.0.0.0 to 239.255.255.255) - whereupon hosts can pertain to multicast groups. Hosts that have the same multicast address are part of the same host group.
burned in address
acknowledgment number
host group
runt frame
36. 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
RJ-45
overhead
packet
subnet
37. An IPv4 address in the range of 169.254.1.0 to 169.254.254.255. Communication using these addresses is used with a ttl of 1 and limited to the local network
link-local address
token passing
Internet service provider
physical topology
38. A convention for writing IP addresses with four decimal numbers - ranging from 0 to 255 - with each octet representing 8 bits of the 32 bit IP address. The term originates from the fact that each of the four decimal numbers is separated by a period.
multicast client
dotted decimal
carrier sense multiple access (CSMA)
loopback
39. 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
reserved link-local addresses
media-dependent interface crossover
kilobits per second
4b/5b
40. 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
filtering
host address
ACK
data communications equipment
41. 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.
RST
channel
bridge
domain name system
42. An international - nonprofit organization for the advancement of technology related to eletricity. IEEE maintains the standards defining many LAN protocols.
Regional Internet Registries
smtp
Institute of Electrical and Electronics Engineers
dynamic routing
43. An IPv4 multicast address that is restricted to a local group or organization
ARP table
Requests for Comments
administratively scoped address
Internet Assigned Numbers Authority
44. A grouping of code that meets a certain - already specified - condition for entering in that certain group.
resource records
high-order bit
scalability
code gropu
45. A number used in the 802.11 header to specify the session between a wireless client and the access point.
user executive mode
bridge
bit time
association identity AID
46. The cabling and connectors used to interconnect the network devices.
physical media
tracert
gateway
Network address translation (NAT)
47. Normally - a relatively general term that refers to dfifferent kinds of networking devices. Historically - when routers were created - they were called gateways
segment
Thicknet
gateway
flash
48. A general type of cable - with the cable holding twisted pairs of copper wires and the cable itself having little shielding.
protocol suite
unshieled twisted-pair
fiber optics
locally administered address
49. A common term for 10base5 ethernet - referring to the fact that 10base5 cabling is thicker than the coaxial cabling used for 10base2.
Thicknet
shielded twisted pair cable
synchronous
Time to live
50. A logical network composed of all the computers and networking devices that can be reached by sending a frame to the data link layer broadcast address.
nonreturn to zero
switch table
delimiter
broadcast domain
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