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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. This field of a frame signals the beginning or end of a frame.
SYN
scheme
burned in address
delimiter
2. A broadcast that is sent to a specific network or series of networks.
hybrid fiber-coax
destination IP address
limited broadcast
host address
3. 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
slot time
protocol
keyword
4. A network device - typically connected to a range of LAN and WAN interfaces - that forwards packets based on their destination IP addresses.
source
registered ports
AND
router
5. The process of forwarding frames in a switch or a bridge from one port to another port or from segment to segment
cache
nslookup
throuhpu
bridging
6. The design on networks that can continue to operate without interruption in the case of hardware - software or communications failures.
prviate address
fault tolerance
broadcast
internetwork
7. 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
source
default gateway
proxy arp
decapsulation
8. Organizations that are responsible for the allocation and registration of Internet number resources within a particular region of the world. These registries include the American Registry for Internet Number for North America; RIPE network coordinati
IP header
client
deterministic
Regional Internet Registries
9. The loss of communication signal on the media. This loss is due to degradation of the energy wave over time.
link-local address
bridge
signal
attenuation
10. The table used by a switch that associates MAC addresses with the outgoing port. A general term for the table that a LAN bridge uses for its forwarding/filtering decisions. The table holds a list of MAC addresses and the port out which the bridge sho
hierarchical addressing
gigabit ethernet
switch table
fiber-optic cable
11. A logical storage in a host's RAM to store arp entries.
enable password
fast ethernet
burned in address
ARP table
12. The ability of a protocol. system or component to be modified to fit a new need.
asynchronous
burned in address
scalability
positional notation
13. 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
FIN
multiplexing
RST
fast ethernet
14. 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)
logical network
Internet control message protocol
network interface card
15. Communication that allows receipt and transmission simultaneously. A station can transmit and receive at the same time. There are no collisions with full-duplex ethernet transmision.
post office protocol
decapsulation
full duplex
enable password
16. 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
fault tolerance
bridge table
query
asynchronous
17. A computer program that runs in the background and is usually initiated as a process. Daemons often support server processes.
daemon
default gateway
electromagnetic interface
gigabit ethernet
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.
ping sweep
bridging
window size
directly connected network
19. Translation RFC 1918 addresses to public domain addresses. Because RFC 1918 addresses are not routerd on the Internet - hosts accessing the Internet must use public domain addresses.
octet
Network address translation (NAT)
throuhpu
dynamic routing
20. A signal on a medium used to support the transmission of data. Data is carried over the medium by modulation.
Logical link control
carrier
distributed
tracert
21. To change the energy levels transmitted over some networking medium to transmit bits over that medium.
scheme
ARP table
encode
fast ethernet
22. Path through an internetwork through which packets are forwarded.
SYN
directed broadcast
binary
router
23. 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.
Logical link control
throuhpu
dns resolver
multicast client
24. A part of a computer network that every device communicates with using the same physical medium. Network segments are extended by hubs or repeaters.
flash
network segment
acknowledgment number
virtual circuit
25. 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.
server message block
unshieled twisted-pair
host address
dotted decimal
26. A data link layer address - for example a MAC address
test-net address
manchester encoding
multicast group
physical address
27. IPv4 address of a network host. When talking about host addresses - they are the network layer addresses.
host address
switch
fragmentation
asynchronous
28. Used in the CLI following the command. Keywords are parameters that are used with the command from a set of predefined values.
keyword
channel service unit/data service unit
Open systems interconnection
media-dependent interface crossover
29. 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.
broadcast domain
token passing
download
syntax
30. A general type of cable - with the cable holding twisted pairs of copper wires and the cable itself having little shielding.
runt frame
unshieled twisted-pair
encryption
ping sweep
31. In networking - a symbol used when drawing network diagrams that represent a part of the network whose details can be ignored for the purposes of the diagram.
cloud
host address
bit time
internetwork
32. The physical interface transceivers. It deals with Layer 1 (the physical layer - hence the PHY) of ethernet.
network
dynamic or private ports
Time to live
ethernet PHY
33. 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.
limited broadcast
multicast client
standards
carrier sense multiple access (CSMA)
34. 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.
resource records
hierarchical addressing
4b/5b
International Organization for Standardization
35. A network architecture designed to eliminate network downtime cause by a single point of failure.
ARP poisoning
post office protocol
asynchronous
redundancy
36. 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.
globally scoped addresses
code gropu
synchronous
user executive mode
37. Radio frequencies that creat noise that interferes with information being transmitted across unshielded copper cabling.
radio frequency interference
resource records
gigabit ethernet
virtual terminal line
38. A rectangular cabling connector with eight pins - often used with ethernet cables.
default gateway
syntax
RJ-45
Mail user agent
39. The retransmission delay used with CSMA/CD when a collision occurs. The algorithm forces each sender that detected the collisions to delay a random amount of time before attempting to retransmit.
dotted decimal
backoff algorithm
nonreturn to zero
argument
40. The layer 2 pdu that has been encoded by a data link layer protocol for digital transmission. Some different kinds of frames are ethernet frames and PPP frames.
frame
Network address translation (NAT)
electromagnetic interface
session
41. A MAC address that can be configured on a device. The LAA can be used in place of the BIA . This means that you can replace a NIC or use a substitute device without changing the address used by the network to access the station.
carrier
authoritative
multicast client
locally administered address
42. A list of router holds in memory for the purpose of deciding how to forward packets.
routing table
client
most significant bit
encryption
43. 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
physical network
console port
fragmentation
enable password
44. 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
kilobits per second
link-local address
Internet control message protocol
source
45. In ethernet - the results of two nodes transmitting simlutaneously. The signals from each device are damaged when they combine on the media
collision
decapsulation
multiplexing
symmetric switching
46. 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.
virtual local area network
Institute of Electrical and Electronics Engineers
AND
directed broadcast
47. An application level network protocl mainly applied to shared access to files - printers - serial ports - and miscellaneous communications between nodes on a network.
server message block
physical network
post office protocol
window size
48. 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.
host group
slash format
binary
media-dependent interface crossover
49. A plan - design or program of action to be followed. Sometimes an addressing plan is called an addressing SCHEME.
scheme
extended star
ARP poisoning
smtp
50. 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.
plug-in
symmetric switching
intranet
Open systems interconnection