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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. Time-division multiplexing.
TDM
AIS
MLP LFI
RMON event
2. With shaping - the number of bits allowed to be sent every Tc. Also defines the size of the token bucket when Be = 0.
DVMRP
Committed Burst
classful routing
PVST+
3. Distance Vector Multicast Routing Protocol.
tail drop
DVMRP
Bc
partial update
4. The portion of PPP focused on features that are unrelated to any specific Layer 3 protocol.
point coordination function
Link Control Protocol
local label
GRE
5. The term to describe a router that is neither the DR nor the BDR on a subnet that elects a DR and BDR.
LSA flooding
DROther
single-rate - two-color policer
PE
6. Prefix list.
Tc
PVST+
IP prefix list
Distance Vector Multicast Routing Protocol
7. Source-specific multicast.
SSM
route reflector server
802.11g
Distance Vector Multicast Routing Protocol
8. In MQC and CB Policing - a configuration style by which - for one category of packets (conform - exceed - or violate) - more than one marking action is defined for a single category. For example - marking DSCP and DE.
multi-action policing
learning state
internal router (OSPF)
component route
9. A wireless LAN that offers connections to the Internet from public places - such as airports - hotels - and coffee shops.
established
Class Selector
public wireless LAN
radio management aggregation
10. Access Control Server. A term referring generically to a server that performs many AAA functions. It also refers to the software product Cisco Secure Access Control Server.
Graft message
ACS
PE
Network Address Translation
11. Cisco IOS router feature by which a route map determines how to forward a packet - typically based on information in the packet other than the destination IP address.
Measured Round-Trip Time
policy routing
SN
IP Source Guard
12. Edge LSR.
Backward Explicit Congestion Notification
NAT
E-LSR
SMI
13. Neighbor Solicitation.
NS
SSM
quartet
Inside Global address
14. A well-known discretionary BGP path attribute that flags a route as being a summary route.
802.11a
CoS
ATOMIC_AGGREGATE
RPVST+
15. The common set of IOS configuration commands that is used with each QoS feature whose name begins with "Class-Based."
Modular QoS CLI
PortFast
Dynamic Trunking Protocol
U/L bit
16. With RIP - the advertisement of a poisoned route out an interface - when that route was formerly not advertised out that interface due to split horizon rules.
adjacent (OSPF)
poison reverse
Local Management Interface
stateful autoconfiguration
17. VTP process that prevents the flow of broadcasts and unknown unicast Ethernet frames in a VLAN from being sent to switches that have no ports in that VLAN.
designated router (OSPF)
VTP pruning
metric
COMMUNITY
18. Forwarding Equivalence Class.
network layer reachability information
provider router
FEC
Neighbor Discovery Protocol
19. A WRED process by which WRED does not discard packets during times in which a queue's minimum threshold has not been passed.
SF
source-based distribution tree
token bucket
no drop
20. The process of breaking a frame into pieces - sending some of the fragments - and then sending all or part of a different packet - all of which is done to reduce the delay of the second packet.
Link Fragmentation and Interleaving
SMI
SSID
transient multicast group
21. Another term for summary route.
pruning
SRR
aggregate route
RTS/CTS
22. A router that should either permanently or temporarily not be used as a transit router. Can wait a certain time after OSPF process start - or after BGP notifies OSPF that BGP has converged - before ceasing to be a stub router.
stub router (OSPF)
minimum CIR
conform
RMON event
23. A logical group of content engines running WCCP between them. The lead content engine determines the traffic distribution within the cluster - for optimum performance and scalability.
Alternate Mark Inversion
WCCP cluster
VTP
AS_SET
24. The operating mode of shaped round-robin that provides a low-latency queue with policing.
Measured Round-Trip Time
window
shaped mode
query scope (EIGRP)
25. The same thing as TCP code bits. See TCP code bits.
RTS/CTS
RTP header compression
association ID
TCP flags
26. An MQC configuration style by which one policy map calls a second policy map. For example - a shaping policy map can call an LLQ policy map to implement LLQ for packets shaped by CB Shaping.
nested policy maps
Data Set Ready
limiting query scope (EIGRP)
TCP flags
27. A queuing scheduler's logic by which - if a particular queue has packets in it - those packets always get serviced next.
strict priority
encapsulation
CST
modified tail drop
28. 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
priority (OSPF)
MULTI_EXIT_DISC (MED)
Prune Override
autonomous system
29. An OSPF external route for which internal OSPF cost is added to the cost of the route as it was redistributed into OSPF.
DTR
E1 route (OSPF)
IP Source Guard
time-division multiplexing
30. A switch feature with which the switch watches ARP messages - determines if those messages may or may not be part of some attack - and filters those that look suspicious.
Dynamic ARP Inspection
nested policy maps
MULTI_EXIT_DISC (MED)
multicast IP address range
31. Neighbor Discovery Protocol.
same-layer interaction
Slow Start Threshold
SAFE Blueprint
ND
32. Weighted round-robin.
802.11a
reported distance
Structure of Management Information
WRR
33. An NTP mode in which an NTP host does not adjust its clock - but in which it sends NTP messages to clients so that the clients can update their clocks based on the server's clock.
NTP server mode
peak information rate
IGMPv1 Host Membership Report
LOS
34. The low-order 4 bits of the configuration register. These bits direct a router to load either ROMMON software (boot field 0x0) - RXBOOT software (boot field 0x1) - or a full-function IOS image.
VLAN
NAT-PT
poison reverse
boot field
35. 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.
fragmentation
violate category
CQ
NEXT_HOP
36. A technology that enables frequency reuse. Two variants exist: frequency hopping (FHSS) and direct sequence (DSSS). Both techniques spread the signal power over a relatively wide portion of the frequency spectrum over time - to reduce interference be
Red Alarm
spread spectrum
UDLD
subnet ID
37. With some routing protocols - the time period between successive Hello messages.
enable password
AES
authentication - authorization - and accounting
hello interval
38. In MPLS - a term used to define a label that an LSR learned from a neighboring LSR.
LDP
DROther
enable secret
remote label
39. A neighbor state that signifies the other router has reached neighbor status - having passed the parameter check. The FIB entry details the information needed for forwarding: the next-hop router and the outgoing interface - in an optimized mtrie stru
Differentiated Services
Rapid Spanning Tree Protocol
Differentiated Services Code Point
Forwarding Information Base
40. 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
DMVPN
private addresses
confederation eBGP peer
COMMUNITY
41. The algorithm used by OSPF and IS-IS to compute routes based on the LSDB.
SPF algorithm
NS
Maximum Segment Size
provider router
42. A protection against problems caused by unidirectional links between two switches. Uses messaging between switches to detect the loop - err-disabling the port when the link is unidirectional.
edge LSR
UniDirectional Link Detection
VLAN Trunking Protocol
Trap (SNMP)
43. Rendezvous point.
full drop
shared mode
RP
U/L bit
44. Weighted tail drop.
limiting query scope (EIGRP)
WTD
VC
violate category
45. A style of attack in which an ICMP Echo is sent with a directed broadcast (subnet broadcast) destination IP address - and a source address of the host that is being attacked. The attack can result in the Echo reaching a large number of hosts - all of
BECN
smurf attack
LFI
VRF Lite
46. Receivers subscribe to an (S -G) channel when they request to join a multicast group. That is - they specify the unicast IP address of their multicast source and the group multicast address. SSM is typically used in very large multicast deployments s
eBGP multihop
shaped round-robin
Source-Specific Multicast (SSM)
internal BGP
47. An EIGRP router's reaction to an input event - leading to the use of a feasible successor or going active on a route.
Congestion Avoidance
source registration
local computation
differentiated tail drop
48. An EIGRP message that informs neighbors about routing information. Update messages require an Ack.
shaped mode
Update (EIGRP)
CBWFQ
spread spectrum
49. A predefined VC. A PVC can be equated to a leased line in concept.
permanent virtual circuit
Message Digest 5
SSID
graceful restart (OSPF)
50. An alternative software loaded into a Cisco router - used for low-level debugging and for password recovery.
ROMMON
AS_PATH
CQ
CBWFQ