SUBJECTS
|
BROWSE
|
CAREER CENTER
|
POPULAR
|
JOIN
|
LOGIN
Business Skills
|
Soft Skills
|
Basic Literacy
|
Certifications
About
|
Help
|
Privacy
|
Terms
|
Email
Search
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. DNS data records. Their precise format is defined in RFC 1035. The most important fields in a resource record are Name - class - type and data.
resource records
dotted decimal
window size
Institute of Electrical and Electronics Engineers
2. The cabling and connectors used to interconnect the network devices.
address pool
physical media
store and forward
authoritative
3. Unencrypted password used to allow access to privledge EXEC mode from IOS user EXEC mode.
source
binary
enable password
network baseline
4. Any combination of hardware device and/or software application designed to protect network devices from outside network users and/or malicious applications and files.
best effort
firewall
host group
window size
5. An ethernet frame that is less than 64 bytes in size. Runts are caused by collisions and are also know as collision fragments
runt frame
collision
physical network
multiplexing
6. The loss of communication signal on the media. This loss is due to degradation of the energy wave over time.
router
flooding
attenuation
latency
7. The ability of a protocol. system or component to be modified to fit a new need.
port
scalability
thinnet
best effort
8. A 1-bit flag in the TCP header that is used to request that a connection be re-established.
dispersion
firewall
latency
RST
9. 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.
physical address
media-dependent interface crossover
TCP
flooding
10. A network scanning technique used to identify which host IP addresses are operational.
enable password
dispersion
client
ping sweep
11. 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
nslookup
radio frequency interference
scheme
bit time
12. 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
deterministic
Address resolution protocol
directed broadcast
ARP poisoning
13. The optical or electrical impulse on a physical medium for purposes of communication.
redundancy
MAC table
signal
hop
14. A generic term from OSI that refers to the data - headers - and trailers about which a particular network layer is concerned.
subnet
resource records
destination IP address
protocol data unit
15. The process by which a router receives an incoming frame - discards the ata link header and trailer - makes a forwarding decision based on the destination IP address - adds a new data-link header and trailer based on the outgoing interface and forwar
Time to live
forwarding
routing
Logical link control
16. A plan - design or program of action to be followed. Sometimes an addressing plan is called an addressing SCHEME.
Pad
scheme
global configuration mod
IP
17. 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
network segment
post office protocol
packet
hierarchical addressing
18. A type of network cabling that includes twisted-pair wires - with shielding around each pair of wires - as well as another shield around all wires in the cable.
shielded twisted pair cable
port
slot time
media independent
19. A communication path over a medium used to transport information from a sender to a receiver. Multiple channels can be multiplexed over a single cable
acknowledgment number
protocol
channel
hub
20. 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.
kilobits per second
smtp
noise
channel
21. Computer hardware - typically used for LANS - that allows the computer to connect to some network cable. The NIC can then send and receive data over the cable at the direction of the computer.
multiplexing
Open systems interconnection
interframe spacing
network interface card
22. An international standards body that defines many networking standards. Also - the standards body that created the OSI model.
collaborative
frame
asynchronous
International Organization for Standardization
23. The standards body responsible for the development and approval of TCP/IP standards
classful addressing
delimiter
Internet Engineering Task Force
virtual circuit
24. Unique addresses that are public domain addresses.
firewall
flow control
globally scoped addresses
global configuration mod
25. The lower of the two sublayers of the IEEE standard for ethernet. It is also the name of that sublayer
4b/5b
RJ-45
data termianl equipment
media access control
26. 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.
best effort
broadcast domain
well known ports
ethernet PHY
27. Real-time communication between two or more people through text. The text is conveyed through computers connected over a network such as the internet. files can also be transferred through the IM program to share files.
instant messaging
hierarchical addressing
full duplex
argument
28. 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.
static route
prefix length
public address
binary
29. A field in the IP header that prevents a packet form indefinitely looping around an IP internetwork. Router decrements the TTL field each time they forward a packet - and if they decrement the TTL to 0 - the router discards the packet - which prevent
attenuation
port
hop
Time to live
30. 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.
media independent
physical topology
scalability
ACK
31. 1.collection of computers - printers - routers - switches - and other devices that can communication with each other over some transmission medium. 2. command that assgins a NIC based address to which the router is directly connected.
network
server
network segment
multiplexing
32. 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
media-dependent interface (MDI)
authentication
acknowledgment
switch table
33. The largest IP packet size allowed to be sent out a particular interface. Ethernet interfaces default to an MTU of 1500 because the data field of an Ethernet frame should be limited to 1500 bytes - and the IP packet sits inside the ethernet frame's d
network baseline
protocol
bridge table
maximum transmission unit
34. A type of hash function that is used to produce a small - fixed size checksum of a block of data - such as a packet or a computer file. A CRC is computed and appended before transmission or storage - and verified afterward by the recipient to confirm
encapsulation
collaborative
source
cyclic redundancy check
35. Interface by magnetic signals caused by the flow of electricity. EMI can cause reduced data integrity and increased error rates on transmission channels. The physics of this process are that electrical current creates magnetic fields - which in turn
daemon
electromagnetic interface
network baseline
hypertext transfer protocol
36. A device that connects multiple network segments at the data link layer of the OSI model. Bridges were the predecessor to LAN switches.
frame
bandwidth
encryption
bridge
37. A 1-bit flag in the tcp header that indicates the acknowledgment field is valid.
default gateway
symmetric switching
ACK
half duplex
38. A protocol that allows a computer to retrieve email from a server.
Internet Assigned Numbers Authority
post office protocol
peer
RJ-45
39. An entry in an IP routing table that was created because a network engineer entered the routing information into the router's configuration.
static route
slot time
router protocol
pinout
40. 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
control data
domain name system
collision domain
ARP poisoning
41. IPv4 address of a network host. When talking about host addresses - they are the network layer addresses.
4b/5b
host group
half duplex
host address
42. Part of a company's intranet that is extended to users outside the company
hybrid fiber-coax
best effort
octet
extranet
43. 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
radix
broadcast
router
44. A protocol used between routers so that they can learn routes to add to their routing tables.
segment
plug-in
FIN
router protocol
45. A routing feature in which frames in an interface output queue are prioritized based on various characteristics such as packet size and interface type.
physical network
server
priority queing
signal
46. 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
Regional Internet Registries
hop
nonreturn to zero
link-local address
47. 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.
router protocol
ARP table
PSH
host group
48. A name - as defined by DNS that uniquely identifies a computer in the internet. DNS servers can then respond to the DNS requests by supplying the IP address that is used by the computer that has a particular domain name. This term also refers to the
maximum transmission unit
ARP cache
hierarchical addressing
domain name
49. A network device that has an IPv4 address assigned to it to communication over a network.
goodput
half duplex
hierarchical addressing
host
50. The extent of a certain item. For example - an address scope is also known as a range of addresses from beginning of the range to the end.
cyclic redundancy check
syntax
encapsulation
scope