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Test your basic knowledge |
CCIE Vocab
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certifications
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ccie
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it-skills
Instructions:
Answer 50 questions in 15 minutes.
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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. 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
process switching
Maximum Response Time
802.1Q-in-Q
spread spectrum
2. A set of all devices for which any frame sent by one of the devices would collide with any frames transmitted at the same time by any of the other devices in the set.
NO_EXPORT_SUBCONFED
collision domain
IOS Intrusion Prevention System (IPS)
IP forwarding
3. Congestion window.
virtual link
learning state
CWND
RMON event
4. 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.
BECN
Tag Distribution Protocol
weight (BGP)
access link
5. Forwarding Information Base.
ForeSight
FIB
adjacency table
Slow Start
6. Superframe
auto-negotiation
SCP
SF
data plane
7. Smoothed Round-Trip Time.
weighted round-robin
tail drop
SRTT
administrative scoping
8. A calculated TCP variable - used along with the TCP CWND variable - to dictate a TCP sender's behavior when it recognizes packet loss. As CWND grows after packet loss - the TCP sender increases CWND based on Slow Start rules - until CWND grows to be
Slow Start Threshold
classless interdomain routing
priority (OSPF)
FRF
9. A T1 alarm state that occurs when the receiver can no longer consistently identify the frame. See LOF.
DSCP
Graft message
Out of Frame
SN
10. VTP pruning.
Hello (EIGRP)
pulse code modulation
committed information rate
pruning
11. An MQC-based feature of IOS that is used to classify and mark packets for QoS purposes.
LSR
Label Switch Router
Class-Based Marking
RID
12. Network Address Translation-Protocol Translation.
NAT-PT
DS1
PortFast
confederation
13. A workstation or server configured to collect and present RMON data for reporting purposes.
subnet ID
RMON collector
MTU
triggered updates
14. 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.
Virtual Router Redundancy Protocol
priority queue
superior BPDU
broadcast domain
15. A designated router that is directly connected with a source of the multicast group.
source DR
half duplex
ingress PE
LOCAL_AS
16. Protocol data unit.
Rapid Per-VLAN Spanning Tree Plus
PDU
sequence number (WFQ)
dual stack
17. A type of OSPF stub area that - unlike stub areas - can inject external routes into the NSSA area.
Hello (OSPF)
spread spectrum
not-so-stubby area
authentication method
18. A Frame Relay address used in Frame Relay headers to identify the VC
UplinkFast
Data-link connection identifier
DSCP
public wireless LAN
19. Boot Protocol. A standard (RFC 951) protocol by which a LAN-attached host can dynamically broadcast a request for a server to assign it an IP address - along with other configuration settings - including a subnet mask and default gateway IP address.
BOOTP
service policy
802.1Q
PQ
20. A bit in the Frame Relay header that - when set to 1 - means that if a device needs to discard frames - it should discard the frames with DE 1 first.
Discard Eligible
QV
default route
authentication server
21. The IP address to which Label Distribution Protocol (LDP) sends LDP Hellos. Also used in IP multicast to send packets to all multicast routers.
route poisoning
boot field
224.0.0.2
Resource Reservation Protocol (RSVP)
22. In Frame Relay - a link between a router and a Frame Relay switch.
access link
minimum threshold
granted window
passive mode FTP
23. The rate at which a shaper limits the bits exiting the shaper.
shaping rate
exceed
inspection rule
dense-mode protocol
24. Digital subscriber line - a common Internet service type for residential and business customers.
High Density Binary 3
backup state
Modular QoS CLI
DSL
25. The ASN assigned to a confederation sub-AS.
Multiple Spanning Trees
confederation ASN
administratively scoped addresses
InARP
26. An administrative setting - included in Hellos - that is the first criteria for electing a DR. The highest priority wins - with values from 1-255 - with priority 0 meaning a router cannot become DR or BDR.
well-known mandatory
Route Target
priority (OSPF)
multipath
27. Port Aggregation Protocol.
triggered updates
passive scanning
PAgP
successor route
28. An Internet standard authentication protocol that uses secure hashes and a three-way handshake to perform authentication over a PPP link.
Challenge Handshake Authentication Protocol
local label
SSH
UDLD
29. The operating mode of shaped round-robin that provides behavior like CBWFQ with bandwidth allocated between different traffic classes by a relative amount rather than absolute percentage of the available bandwidth.
shared mode
LACP
TKIP
virtual circuit
30. A local Cisco-proprietary BGP setting that is not advertised to any peers. A larger value is considered to be better.
LOF
MPLS unicast
weight (BGP)
NTP
31. Link-State Update.
IP Source Guard
modified tail drop
route reflector server
LSU
32. Dynamic Multipoint VPN.
Dynamic Trunking Protocol
Holddown timer
RP
DMVPN
33. A Cisco IOS configuration tool for RIP and EIGRP for which the list matches routes in routing updates - and adds a defined value to the sent or received metric for the routes. The value added to the metric is the offset.
PPPoE
OOF
offset list
unicast MAC address
34. An EIGRP message that identifies neighbors - exchanges parameters - and is sent periodically as a keepalive function. Hellos do not require an Ack.
ToS byte
finish time
Hello (EIGRP)
Cisco Group Management Protocol
35. Rendezvous point.
LLQ
regular expression
RP
rendezvous point
36. A term used with WFQ for the number assigned to a packet as it is enqueued into a WFQ. WFQ schedules the currently lowest SN packet next.
NO_EXPORT
sequence number (WFQ)
IGMPv2 Host Membership Query
CLP
37. A name used for DS1 lines inside the North American TDM hierarchy.
CHAP
MPLS Experimental (EXP)
neighbor (OSPF)
T1
38. Controls access to the Internet in public wireless LANs.
terminal history
ForeSight
wireless LAN controller
EUI-64
39. 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.
offset list
authenticator
maximum transmission unit
MST
40. A table used by CEF that holds information about adjacent IP hosts to which packets can be forwarded.
offset list
IP PBX
adjacency table
Maximum Response Time
41. Any OSPF neighbor for which the database flooding process has completed.
adjacent (OSPF)
DTR
Web Cache Communication Protocol
differentiated tail drop
42. Multilink PPP.
querier election
Next Hop field
WPA
MLP
43. An EIGRP message that is used to acknowledge reliable EIGRP messages - namely Update - Query - and Reply messages. Acks do not require an Ack.
supplicant
Ack (EIGRP)
Data Set Ready
counting to infinity
44. The operating mode of shaped round-robin that provides a low-latency queue with policing.
shaped mode
SPF calculation
AAAA
virtual circuit
45. The initial 802.11 common key encryption mechanism; vulnerable to hackers.
classful IP addressing
Wired Equivalent Privacy
Neighbor Solicitation
BDR
46. Request-to-send/clear-to-send.
subnet
Forwarding Equivalence Class
NO_EXPORT
RTS/CTS
47. Ethernet feature in which a NIC or Ethernet port can only transmit or receive at the same instant in time - but not both. Half duplex is required when a possibility of collisions exists.
WTD
half duplex
Differentiated Services Code Point
Wi-Fi Protected Access
48. A multicast routing protocol whose default action is to flood multicast packets throughout a network.
active mode FTP
dense-mode protocol
discarding state
NA
49. The OSPF data structure that describes topology information.
Exterior Gateway Protocol
enhanced editing
dual-rate - three-color policer
link-state advertisement
50. Spanning Tree Protocol.
FRF
Access Control Entry
STP
Red Alarm
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