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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. Discard Eligible.
NetFlow
TACACS+
DiffServ
DE
2. In IPv6 - the Neighbor Discovery message used by an IPv6 node to request information about a neighbor or neighbors.
Committed Burst
Neighbor Solicitation
Multiple Spanning Trees
802.1Q-in-Q
3. An ITU standard Frame Relay header - including the DLCI - DE - FECN - and BECN bits in the LAPF header - and a frame check in the LAPF trailer.
LOS
Link Access Procedure for Frame-Mode Bearer Services
queue starvation
overlapping VPN
4. A Frame Relay address used in Frame Relay headers to identify the VC
data terminal equipment
Hello (EIGRP)
Access Control Server
Data-link connection identifier
5. An optional transitive BGP path attribute used to store 32-bit decimal values. Used for flexible grouping of routes by assigning the group the same COMMUNITY value. Other routers can apply routing policies based on the COMMUNITY value. Used in a larg
global routing prefix
COMMUNITY
input event
Spanning Tree Protocol
6. In MPLS - the mapping of an IP prefix and a label - which is then advertised to neighbors using LDP.
label binding
fraggle attack
Label Forwarding Information Base
dual stack
7. The SNMP specifications - standardized in RFCs - defining the rules by which SNMP MIB variables should be defined.
802.11g
PCM
Time to Live
Structure of Management Information
8. A characterization of a BGP path attribute in which BGP implementations are not required to support the attribute (optional) - and for which if a router receives a route with such an attribute - the router should remove the attribute before advertisi
multicast MAC address
BGP Update
multicasting
optional nontransitive
9. An STP timer that dictates how long a switch should wait when it ceases to hear Hellos.
Access Control Server
Route Target
route reflector non-client
Maxage timer (STP)
10. Border Gateway Protocol.
Slow Start Threshold
BGP
wireless LAN controller
private AS
11. Address Resolution Protocol. Defined in RFC 826 - a protocol used on LANs so that an IP host can discover the MAC address of another device that is using a particular IP address.
LSAck
ARP
Update (EIGRP)
Neighbor Type
12. Cisco Group Management Protocol.
Inter-Switch Link
CGMP
NO_EXPORT_SUBCONFED
WFQ
13. Autonomous System Boundary Router. An OSPF router that redistributes routes from some other source into OSPF.
storm control
superior BPDU
RID
ASBR
14. A message sent by a multicast router - by default every 125 seconds - on each of its LAN interfaces to determine whether any host wants to receive multicast traffic for any group.
OTP
IGMPv3 Host Membership Query
SSThresh
passive scanning
15. A conceptual model used by shapers and policers to represent their internal logic.
IP Control Protocol
WFQ
2Way (OSPF)
token bucket
16. With RIP - the regular interval at which updates are sent. Each interface uses an independent timer - defaulting to 30 seconds.
Dual FIFO
Update timer (RIP)
PIM-SM
TCP intercept
17. With a routing update - or routing table entry - the portion of a route that defines the next router to which a packet should be sent to reach the destination subnet. With routing protocols - the Next Hop field may define a router other than the rout
Next Hop field
ISL
TDM
autonomous system
18. An EIGRP router's reaction to an input event - leading to the use of a feasible successor or going active on a route.
point coordination function
EAP over LAN
DTR
local computation
19. In wireless LANs - a mechanism that counters issues related to RF interference by dividing a larger 802.11 data frame into smaller frames that are sent independently to the destination. See also LFI.
LCP
Access Control Entry
Network Address Translation-Protocol Translation
fragmentation
20. WRED compares this setting to the average queue depth to decide whether packets should be discarded. No packets are discarded if the average queue depth falls below this minimum threshold.
IP prefix list
class map
FRF.9
minimum threshold
21. A method for how a TCP sender grows its calculated CWND variable - thereby growing the allowed window for the connection. Congestion Avoidance grows CWND linearly.
Temporal Key Integrity Protocol
optional transitive
RTO
Congestion Avoidance
22. A Cisco-proprietary STP implementation - created many years before IEEE 802.1s and 802.1w - that speeds convergence and allows for one STP instance for each VLAN.
Link Fragmentation and Interleaving
InARP
SVC
Per-VLAN Spanning Tree Plus
23. An NTP mode in which two or more NTP servers mutually synchronize their clocks.
Set (SNMP)
Label Switch Router
NTP symmetric active mode
Dual FIFO
24. A router that should not be used to forward packets between other routers. Other routers will not send Query messages to a stub router.
permanent virtual circuit
VRF Lite
DD
stub router (EIGRP)
25. Link Fragmentation and Interleaving.
NTP broadcast client
NLPID
LFI
Multicast Listener Discovery
26. Superframe
Spanning Tree Protocol
OFDM
label switched path
SF
27. In MPLS VPNs - a 64-bit Extended Community path attribute attached to a BGP route for the purpose of controlling into which VRFs the route is added.
Route Target
well-known discretionary
community VLAN
offset list
28. On a serial cable - the pin lead set by the DCE to tell the DTE that the DTE is allowed send data.
802.1Q-in-Q
upstream router
Clear To Send
CWND
29. An alternative software loaded into a Cisco router - used for low-level debugging and for password recovery.
well-known discretionary
PHB
ROMMON
multicast scoping
30. The destination VLAN for an RSPAN session.
Remote VLAN
Rapid Spanning Tree Protocol
priority queue
maximum transmission unit
31. With EIGRP - the metric (distance) of a route as reported by a neighboring router.
WTD
NTP client mode
alternate mode
reported distance
32. The operating mode of shaped round-robin that provides a low-latency queue with policing.
IGMPv2 Host Membership Query
triggered updates
WCCP
shaped mode
33. Defined in RFC 3748 - the protocol used by IEEE 802.1X for exchanging authentication information.
FRF.5
Hello (OSPF)
Update timer (RIP)
Extensible Authentication Protocol
34. The notation in a Cisco IOS IP routing table that identifies the route used by that router as the default route.
RADIUS
gateway of last resort
Digital Signal Level 0
Source-Specific Multicast (SSM)
35. Defined in IEEE 802.1w - a specification to enhance the 802.1d standard to improve the speed of STP convergence.
time-division multiplexing
Rapid Spanning Tree Protocol
Garbage timer
aggregate route
36. Backward Explicit Congestion Notification.
BECN
LOS
RPVST+
CS
37. An E-LSR in an MPLS VPN network whose role in a particular discussion is to receive labeled packets from other LSRs and then forward the packets as unlabeled packets to CE routers.
private AS
NEXT_HOP
source-based distribution tree
egress PE
38. A term used with Cisco LAN switches - referring to a DSCP value used when making QoS decisions about a frame. This value may not be the actual DSCP value in the IP header encapsulated inside the frame.
inner label
designated port
internal DSCP
NTP broadcast client
39. A queuing tool's logic by which it selects the next packet to dequeue from its many queues.
scheduler
PIM-SM (S -G) RP-bit Prune
FT
LSA
40. An effort to reduce the query scope with EIGRP - using route summarization or EIGRP stub routers.
limiting query scope (EIGRP)
software queue
direct sequence spread spectrum
Join/Prune message
41. A numeric value between 0 and 32 (inclusive) that defines the number of beginning bits in an IP address for which all IP addresses in the same group have the same value. Alternative: The number of binary 1s beginning a subnet mask - written as a deci
RMON collector
prefix
subnet broadcast address
DSCP-to-CoS map
42. A state variable kept by a router for each known neighbor or potential neighbor.
T1
Modular QoS CLI
neighbor state
VLAN filtering
43. The initial 802.11 common key encryption mechanism; vulnerable to hackers.
transit router (OSPF)
Wired Equivalent Privacy
Multi-VRF CE
inner label
44. On a multiaccess network - when a PIM-DM or PIM-SM router receives a Prune message - it starts a 3-second timer. If it receives a Join message on the multiaccess network from another router before the timer expires - it considers the message as an ov
FHSS
AS number
active mode FTP
Prune Override
45. The process of changing the electrical characteristics on a transmission medium - based on defined rules - to represent data.
encoding
component route
multipath
maximum reserved bandwidth
46. Dynamic Multipoint VPN.
DMVPN
IPv4
DR
OTP
47. The Cisco IOS Router IP Traffic Export feature - intended for intrusion detection - exports IP traffic that has signs of an attack - such as duplicate IP packets simultaneously received on two or more of a router's interfaces.
Extended Superframe
RITE
Goodbye (EIGRP)
LSA type (OSPF)
48. Jargon used by STP mostly when discussing the root election process; refers to a Hello with a lower bridge ID. Sometimes refers to a Hello with the same bridge ID as another - but with better values for the tiebreakers in the election process.
superior BPDU
variance
time-division multiplexing
EAP over LAN
49. Router-Port Group Management Protocol.
NA
access rate
radio management aggregation
RGMP
50. Provides dynamic inspection of traffic as it traverses the router. It uses Context-Based Access Control (CBAC) to look deeper into a packet than an access list can. It tracks outbound traffic and dynamically allows in responses to that traffic.
spread spectrum
Classic IOS Firewall
Forward Explicit Congestion Notification
Congestion Avoidance