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Test your basic knowledge |
CCIE Vocab
Start Test
Study First
Subjects
:
certifications
,
ccie
,
it-skills
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. Defined in IEEE 802.1d - a protocol used on LAN bridges and switches to dynamically define a logical network topology that allows all devices to be reached - but prevents the formation of loops.
process switching
DCE
Spanning Tree Protocol
Layer 2 payload compression
2. An Internet standard (RFC 1305) that defines the messages and modes used for IP hosts to synchronize their time-of-day clocks.
Network Time Protocol
Virtual Routing and Forwarding table
overlapping VPN
RTS/CTS
3. In MPLS - the mapping of an IP prefix and a label - which is then advertised to neighbors using LDP.
ASN
label binding
RGMP
quartet
4. A bit in the ATM cell header that - when set to 1 - means that if a device needs to discard frames - it should discard the frames with DE 1 first.
MLS
Differentiated Services
MOSPF
Cell Loss Priority
5. The same thing as TCP code bits. See TCP code bits.
TCP flags
route reflector server
link-state advertisement
ARP
6. The 802.1X function implemented by a switch - in which the switch translates between EAPoL and RADIUS messages in both directions - and enables/disables ports based on the success/failure of authentication.
CGMP
Differentiated Services
Invalid timer
authenticator
7. With RIP - a per-route timer that increases until the router receives a routing update that confirms the route is still valid - upon which the timer is reset to 0. If the updates cease - the Invalid timer will grow - until reaching the timer setting
PIM-SM
Hello (OSPF)
transit router (OSPF)
Invalid timer
8. Extensible Authentication Protocol.
Neighbor Solicitation
Multicast Source Discovery Protocol (MSDP)
Response (SNMP)
EAP
9. A category used by a policer to classify packets relative to the traffic contract. With two-color policers - these packets are considered to be above the contract; for three-color - these packets are above the Bc setting - but within the Be setting.
port security
Classless IP Addressing
exceed
EAP over LAN
10. A BGP path attribute that lists ASNs through which the route has been advertised. The AS_PATH includes four types of segments: AS_SEQ - AS_SET - AS_CONFED_SEQ - and AS_CONFED_SET. Often - this term is used synonymously with AS_SEQ
AS_PATH
confederation identifier
FRF.9
DHCP
11. A strategy for subnetting a classful network for which masks/prefixes are different for some subnets of that one classful network.
variable-length subnet masking
Slow Start
link-state advertisement
GLBP
12. With RIP - the regular interval at which updates are sent. Each interface uses an independent timer - defaulting to 30 seconds.
Update timer (RIP)
Label Distribution Protocol
Data-link connection identifier
source-specific addresses
13. A 64-bit extension to the BGP NLRI field - used by MPLS for the purpose of making MPLS VPN customer routes unique in spite of the possibility of overlapping IPv4 address spaces in different customer networks.
EAP over LAN
Digital Signal Level 1
Route Distinguisher
MRT
14. The 802.1X driver that supplies a username/password prompt to the user and sends/receives the EAPoL messages.
service policy
signal-to-noise ratio
ISATAP
supplicant
15. Bipolar 8 Zero Substitution. A serial-line encoding standard that substitutes Bipolar Violations in a string of eight binary 0s to provide enough signal transitions to maintain synchronization.
Port Aggregation Protocol
Multilink PPP
subnet mask
B8ZS
16. The original MPLS protocol used to advertise the binding (mapping) information about each particular IP prefix and associated label. It is slightly different from LDP - but functionally equivalent. See also LDP.
TTL
NTP
Tag Distribution Protocol
pruning
17. DCE devices are one of two devices on either end of a communications circuit - specifically the device with more control over the communications. Frame Relay switches are DCE devices. DCEs are also known as data circuit-terminating equipment (DTE).
TTL scoping
passive (EIGRP)
Diffusing Update Algorithm
data communications equipment
18. The number of bytes in a queue that are removed per cycle in MDRR. Similar to byte count in the custom queuing (CQ) scheduler.
infrastructure mode
internal BGP
Neighbor Type
quantum value
19. Differentiated Services Code Point.
DSCP
multicast MAC address
AAA
source registration
20. With private VLANs - a secondary VLAN in which the ports can send and receive frames only with promiscuous ports in the primary VLAN.
Modified Deficit Round-Robin
DCE
NLRI
isolated VLAN
21. An FRF standard for LFI for VoFR (FRF.11) VCs - in which all voice frames are interleaved in front of data frames' fragments.
FRF.11-c
SRTT
TCP code bits
Link Access Procedure for Frame-Mode Bearer Services
22. Cisco IOS IP Service Level Agent feature. Provides for router-generated information useful for verifying network performance on a scheduled basis - and the associated reporting functions.
LACP
OOF
IP SLA
EGP
23. Sent by a PIM-DM or PIM-SM router when it receives a multicast packet for a group on a LAN interface that is in the outgoing interface list for the group; includes the administrative distance of the unicast routing protocol used to learn the network
Assert message
Dynamic Trunking Protocol
Response (SNMP)
VC
24. IP Control Protocol.
IPCP
Wired Equivalent Privacy
Holddown timer
stub network (OSPF)
25. Network Based Application Recognition.
Forwarding Information Base
Wired Equivalent Privacy
NBAR
sparse-mode protocol
26. Used by a policer to classify packets relative to the traffic contract. These packets are considered to be above the traffic contract in all cases.
permanent virtual circuit
violate category
AMI
point coordination function
27. In the context of SNMP - the GetNext command is sent by an SNMP manager - to an agent - requesting the value of a single MIB variable. The GetNext request identifies a variable for which the manager wants the variable name and value of the next MIB l
totally stubby area
LOS
unicast MAC address
GetNext
28. In Frame Relay - a link between a router and a Frame Relay switch.
BGP
designated router (PIM)
access link
E1
29. A list of interspersed alphanumeric literals and metacharacters that are used to apply complex matching logic to alphanumeric strings. Often used for matching AS_PATHs in Cisco routers.
regular expression
committed information rate
Graft Ack message
U/L bit
30. An EIGRP message that informs neighbors about routing information. Update messages require an Ack.
active mode FTP
DE
CIDR
Update (EIGRP)
31. Reduces the bandwidth necessary for radio management information - such as access point status messages - that is sent across the network by eliminating redundant management information.
Forwarding Equivalence Class
classless routing
radio management aggregation
Boot Protocol
32. A Frame Relay traffic shaping feature during which the shaping rate is reduced when the shaper notices congestion through the receipt of BECN or ForeSight messages.
WPA
Virtual Router Redundancy Protocol
provider router
adaptive shaping
33. A BGP term referring to an IP prefix and prefix length.
D4 framing
multipath
active (EIGRP)
network layer reachability information
34. EAP over LAN.
MDRR
Yellow Alarm
EAPoL
SRTT
35. A technology that sends a high-speed data stream over multiple subcarriers simultaneously. It is highly immune to multipath interference. 802.11a and 802.11g specify the use of OFDM.
hello interval
receiver's advertised window
Discard Eligible
orthogonal frequency division multiplexing
36. An early T1 framing standard.
peak information rate
Spanning Tree Protocol
Superframe
DD
37. An EIGRP message that is used to acknowledge reliable EIGRP messages - namely Update - Query - and Reply messages. Acks do not require an Ack.
FECN
Ack (EIGRP)
CS
Ready To Send
38. A switch feature that limits the number of allowed MAC addresses on a port - with optional limits based on the actual values of the MAC addresses.
port security
UniDirectional Link Detection
MD5
one-time password
39. Defined in RFC 1293 - this protocol allows a Frame Relay-attached device to react to a received LMI "PVC up" message by announcing its Layer 3 addresses to the device on the other end of the PVC.
encoding
Inverse ARP
route reflector server
LOCAL_AS
40. Defines a particular behavior for FTP regarding the establishment of data TCP connections. In active mode - the FTP client uses the FTP PORT command - over the FTP control connection - to tell the FTP server the port on which the client should be lis
Dynamic Host Configuration Protocol
active mode FTP
partial update
RT
41. In MPLS - a term used to define a label that an LSR allocates and then advertises to neighboring routers. The label is considered "local" on the router that allocates and advertises the label.
local label
route reflector non-client
peak information rate
boot field
42. Carrier sense multiple access with collision detection. A media-access mechanism where devices ready to transmit data first check the channel for a carrier. If no carrier is sensed for a specific period of time - a device can transmit. If two devices
AS_SET
Exterior Gateway Protocol
ORIGIN
CSMA/CD
43. An optional contention-free 802.11 access protocol that requires the access point to poll wireless stations before they are able to send frames. Not commonly implemented.
neighbor (EIGRP)
point coordination function
Access Control Entry
BGP table
44. Modular QoS CLI.
SF
Cisco Express Forwarding
MQC
FHSS
45. Method by which a dense-mode routing protocol distributes multicast traffic from a source to all the segments of a network. Also called shortest-path tree (SPT) - because it uses the shortest routing path from the source to the segments of the networ
RMON collector
socket
source-based distribution tree
fragmentation
46. Classless interdomain routing.
subnet
port security
peak information rate
CIDR
47. A configuration tool in Cisco IOS that allows basic programming logic to be applied to a set of items. Often used for decisions about what routes to redistribute - and for setting particular characteristics of those routes
route map
Superframe
Label Switch Router
link-local
48. An MPLS LSR that can forward and receive both labeled and unlabeled packets.
network type (OSPF)
scheduler
SCP
edge LSR
49. A predefined VC. A PVC can be equated to a leased line in concept.
VC
permanent virtual circuit
network layer reachability information
reported distance
50. A route that is used for forwarding packets when the packet does not match any more specific routes in the IP routing table.
MaxAge (OSPF)
default route
ISL
custom queuing