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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. 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
limited broadcast
directly connected network
burned in address
2. 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.
bit
priority queing
URG
keyword
3. 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
half duplex
loopback
International Organization for Standardization
bit time
4. 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.
session
hub
4b/5b
packet
5. 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
cyclic redundancy check
directed broadcast
low-order bit
network address
6. 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.
layered model
runt frame
peer
radix
7. The design on networks that can continue to operate without interruption in the case of hardware - software or communications failures.
dynamic routing
fault tolerance
local area network
domain name
8. In a web browser - an application the browser uses - inside the browser window to display some types of content. For example - a browser typically uses a plug-in to display video.
subnet mask
standards
goodput
plug-in
9. 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
Pad
download
reserved link-local addresses
media independent
10. The client part of the DNS client server mechanism. A DNS resolver creates queries sent a across a network to a same server - interprets responses - and returns information to the requesting programs.
dns resolver
resource records
local area network
hub
11. 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...
multicast client
port
internetwork
acknowledgment
12. Unencrypted password used to allow access to privledge EXEC mode from IOS user EXEC mode.
multiplexing
switch table
enable password
physical network
13. 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.
forwarding
gateway
user executive mode
keyword
14. A system of network design characterized by one or more major components that are required to maintain operation.
single point of failure
Thicknet
Optical time domain reflectometer
routing table
15. 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.
tracert
Internet backbone
4b/5b
domain name system
16. An IPv4 multicast address that is restricted to a local group or organization
channel service unit/data service unit
delimiter
administratively scoped address
scalability
17. Also known as boolean algebra. These consist of the AND OR and IF operations
tracert
digital logic
console port
broadcast
18. International standardization program created by ISO and ITU-T to develop standards for data networking that facilitate multivendor equipment interoperability
Open systems interconnection
connection oriented
ARP poisoning
electromagnetic interface
19. 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
forwarding
subnet mask
interframe spacing
control data
20. Communication where the sender and receiver must prearrange for communications to occur; otherwise - the communication fails.
gigabit ethernet
resource records
connection oriented
multicast group
21. A map of the devices on a network representing how the devices communcate with each other.
data communications equipment
PSH
attenuation
logical topology
22. A process where multiple digital data streams are combined into one signal.
subnet
router
host address
multiplexing
23. 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.
multicast group
test-net address
URG
MAC table
24. IPv4 address of a network host. When talking about host addresses - they are the network layer addresses.
domain name system
slash format
host address
cache
25. 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
port
extended star
slot time
protocol data unit
26. A generic term from OSI that refers to the data - headers - and trailers about which a particular network layer is concerned.
token passing
protocol data unit
AND
redundancy
27. Using values between 1024 and 49 -151 these numbers are equivalent to well-known ports in concept - but they are specifically used for nonprivileged application processes.
registered ports
physical media
physical topology
flooding
28. The forwarding of packets where the forwarding decision is taken dynamically - hop by hop - based on the conditions of downstream fowrading nodes.
media-dependent interface (MDI)
filtering
selective forwarding
dns resolver
29. 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
transparent bridging
protocol data unit
default gateway
30. 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.
gateway
bridge table
goodput
deterministic
31. A computer program that runs in the background and is usually initiated as a process. Daemons often support server processes.
slash format
daemon
network baseline
Institute of Electrical and Electronics Engineers
32. The MAC algorithm used by ethernet devices in a shared media. The protocol requires a node wishing to transmit to listen for a carrier signal before trying to send. If a carrier is sensed - the node waits for transmission in progress to finish before
host group
ethernet PHY
slash format
carrier sense multiple access collision detect (CSMA/CD)
33. Part of a company's intranet that is extended to users outside the company
burned in address
session
syntax
extranet
34. A 1-bit flag in the TCP header that is used to request that a connection be re-established.
decapsulation
protocol suite
RST
proxy arp
35. The lower of the two sublayers of the IEEE standard for ethernet. It is also the name of that sublayer
proxy arp
logical topology
media access control
Pad
36. 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.
kilobits per second
bridge table
radix
URG
37. A network architecture designed to eliminate network downtime cause by a single point of failure.
dynamic host configuration protocol
redundancy
bit
AND
38. 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
media-dependent interface (MDI)
session
digital logic
source
39. A 1-bit field in the TCP header that is used by a device that wants to terminate its session with the other device. This is done by inserting the FIN flag in the flag field found in the TCP segment
fiber optics
cyclic redundancy check
FIN
filtering
40. A logical storage in the host's RAM to store ARP entries
prviate address
segmentation
latency
ARP cache
41. 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
bit time
nslookup
Time to live
local area network
42. A notification sent from one network device to another to confirm that some event has occured.
acknowledgment
physical media
Network time protocol
bridge table
43. A form of transmission where one device transmits to all devices within the network or on another network
bandwidth
half duplex
broadcast
dispersion
44. Routing that adjusts automatically to network topology or traffic changes.
domain name
local area network
dynamic routing
link-local address
45. 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.
data communications equipment
IP
acknowledgment number
maximum transmission unit
46. 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.
cache
logical topology
media-dependent interface crossover
logical network
47. The process by which a device adds networking heads and trailers to data from an application for the eventual transmission of the data onto a transmission medium.
scalability
encapsulation
connection oriented
peer
48. 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
frame
registered ports
shielded twisted pair cable
collision domain
49. The time required for some network pdu's to be sent and received - and a response PDU to be sent and received. In other words - the time between when a device sends data and when the same device receives a response.
encode
media access control
goodput
round-trip time
50. 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.
test-net address
positional notation
dynamic or private ports
latency