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Test your basic knowledge |
CCIE Vocab
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Subjects
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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 Cisco-proprietary LMI protocol - implemented in Cisco WAN switches and routers - through which the switch can inform the router about parameters for each VC - including CIR - Bc - and Be.
Ready To Send
Enhanced Local Management Interface
MPLS VPNs
Zone-based IOS firewall
2. A bit inside the Frame Relay header that - when set - implies that congestion occurred in the direction opposite (or backward) as compared with the direction of the frame.
private AS
Backward Explicit Congestion Notification
custom queuing
route poisoning
3. Modified Deficit Round-Robin.
limiting query scope (EIGRP)
MDRR
window
not-so-stubby area
4. The ASN assigned to a confederation sub-AS.
Link Aggregation Control Protocol
Inverse ARP
soft reconfiguration
confederation ASN
5. An 802.1d STP port state in which the port sends and receives frames.
Multilink PPP
Modified Deficit Round-Robin
forwarding state
established
6. Network Address Translation-Protocol Translation.
Inter-Switch Link
NAT-PT
partial SPF calculation
Per-VLAN Spanning Tree Plus
7. A workstation or server configured to collect and present RMON data for reporting purposes.
LSP segment
FRF
RMON collector
virtual link
8. 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.
B8ZS
NCP
administrative scoping
shared mode
9. A protocol used for reliable multicast and unicast transmissions. Used by EIGRP.
Reliable Transport Protocol
confederation ASN
Virtual Routing and Forwarding table
public wireless LAN
10. An IP variable that defines the largest size allowed in an IP packet - including the IP header. IP hosts must support an MTU of at least 576 bytes.
All OSPF DR Routers
Hello timer
shared mode
maximum transmission unit
11. The process of running the SPF algorithm against the LSDB - with the result being the determination of the current best route(s) to each subnet.
E1 route (OSPF)
SPF calculation
PVST+
ad hoc mode
12. A serial-line encoding standard that sends alternating positive and negative 3-volt signals for binary 1 - and no signal (0 V) for binary 0.
ABR
Alternate Mark Inversion
Route Tag field
IGMPv1 Host Membership Report
13. The process of taking the payload inside a Layer 2 frame - including the headers of Layer 3 and above - compressing the data - and then uncompressing the data on the receiving router.
neighbor (OSPF)
traffic contract
Layer 2 payload compression
T3
14. An early T1 framing standard.
multi-action policing
AS number
Forward Delay
Superframe
15. A BGP feature that defines the IP TTL field value in packets sent between two eBGP peers. This feature is required when using IP addresses other than the interface IP address on the link between peers.
PAT
Inform
eBGP multihop
link-state advertisement
16. Network Control Protocol.
subnet mask
DD
NCP
frequency hopping spread spectrum
17. An early standard from AT&T for encoding analog voice as a digital signal for transmission over a TDM network. PCM requires 64 kbps - and is the basis for the DS0 speed.
route redistribution
pulse code modulation
edge LSR
priority queuing
18. The first 48 bits of an IPv6 global address - used for efficient route aggregation.
querier election
global routing prefix
RPVST+
FRF.9
19. Used by WRED to calculate the rate at which the average queue depth changes as compared with the current queue depth. The larger the number - the slower the change in the average queue depth.
exponential weighting constant
router ID
supplicant
FRF
20. A Cisco IOS queuing tool that uses MQC configuration commands - reserves a minimum bandwidth for some queues - provides high-priority scheduling for some queues - and polices those queues to prevent starvation of lower-priority queues during interfac
Boot Protocol
link-state advertisement
low-latency queuing
broadcast subnet
21. A characterization of a BGP path attribute in which all BGP implementations must support and understand the attribute (well known) - but BGP Updates can either include the attribute or not depending on whether a related feature has been configured (d
LAPF
NLRI
VLAN Trunking Protocol
well-known discretionary
22. A CBWFQ and LLQ term referring to the bandwidth on an interface that is neither reserved nor allocated via a priority command.
power-save mode
partial update
remaining bandwidth
LSP
23. Instead of advertising all routes out a particular interface - the routing protocol omits the routes whose outgoing interface field matches the interface out which the update would be sent.
dual stack
split horizon
finish time
Hello (EIGRP)
24. Finish time.
Yellow Alarm
RSTP
FT
variance
25. A NAT term describing the process of multiplexing TCP and UDP flows - based on port numbers - to a small number of public IP addresses. Also called NAT overloading.
adjacency table
Port Address Translation
RSTP
NSSA
26. The process of changing the electrical characteristics on a transmission medium - based on defined rules - to represent data.
TDP
encoding
E1 route (OSPF)
transmit power
27. Version 6 of the IP protocol - which uses 128-bit IP addresses.
transit router (OSPF)
ATOMIC_AGGREGATE
IPv6
TCP header compression
28. Any routing protocol that uses the concept of using the SPF algorithm with an LSDB to compute routes.
PVC
IGMP
link-state routing protocol
COMMUNITY
29. Version 4 of the IP protocol - which is the generally deployed version worldwide (at publication) - and uses 32-bit IP addresses.
MLD
All OSPF Routers
summary route
IPv4
30. Network Time Protocol.
private VLAN
NTP
Label Forwarding Information Base
Tag Distribution Protocol
31. An OSPF area into which external (type 5) LSAs are not introduced by its ABRs; instead - the ABRs originate and inject default routes into the area.
stub area
shared mode
RP
adaptive shaping
32. Each 802.11 station passively monitors each RF channel for a specific amount of time and listens for beacons. Stations use the signal strengths of found beacons to determine the access point or ad hoc network with which to attempt association.
prefix
peak information rate
MPLS VPNs
passive scanning
33. The practice of defining boundaries that determine how far multicast traffic will travel in your network.
multicast scoping
AS_PATH length
direct sequence spread spectrum
Frame Relay LFI Using Multilink PPP (MLP)
34. A multicast routing protocol that forwards the multicast traffic only when requested by a downstream router.
FD
NLRI
local label
sparse-mode protocol
35. A single instance of STP that is applied to multiple VLANs - typically when using the 802.1Q trunking standard.
configuration register
NTP server mode
Common Spanning Tree
straight-through cable
36. Three core security functions.
PortFast
LZS
LAPF
authentication - authorization - and accounting
37. A WFQ term referring to its drop logic - which is similar to tail-drop behavior.
subnet broadcast address
advertised window
DSL
modified tail drop
38. A NAT term describing an IP address representing a host that resides outside the enterprise network - with the address being used in packets inside the enterprise network.
LFIB
peak information rate
Outside Local address
feasibility condition
39. A message that each host sends - either in response to a router Query message or on its own - to all multicast groups for which it would like to receive multicast traffic.
AF
enable secret
Per-Hop Behavior
IGMPv1 Host Membership Report
40. 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
PQ
transit network (OSPF)
NAT-PT
41. Label Distribution Protocol.
PPPoE
Alternate Mark Inversion
LDP
MIB-I
42. Reliable Transport Protocol.
RTP
LOCAL_AS
NO_EXPORT_SUBCONFED
access rate
43. The rate at which a policer limits the bits exiting or entering the policer.
policing rate
minimum CIR
token bucket
shaped round-robin
44. Custom queuing
Link-State Acknowledgment
LSR
CQ
stub router (OSPF)
45. In IPv6 - an address used in the Neighbor Discovery (ND) process. The format for these addresses is FF02::1:FF00:0000/104 - and each IPv6 host must join the corresponding group for each of its unicast and anycast addresses.
source-based distribution tree
WFQ
solicited node multicast
Resource Reservation Protocol (RSVP)
46. A type of OSPF NSSA area for which neither external (type 5) LSAs are introduced - nor type 3 summary LSAs; instead - the ABRs originate and inject default routes into the area. External routes can be injected into a totally NSSA area.
classless interdomain routing
adjacent (OSPF)
window
totally NSSA area
47. In TCP - a TCP host sets the TCP header's Window field to the number of bytes it allows the other host to send before requiring an acknowledgement. In effect - the receiving host - by stating a particular window size - grants the sending host the rig
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48. The characterization of how far EIGRP Query messages flow away from the router that first notices a failed route and goes active for a particular subnet.
routing black hole
query scope (EIGRP)
association ID
SF
49. 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.
EAPoL
AS_PATH length
same-layer interaction
sequence number (WFQ)
50. 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.
root port
RT
Retransmission Timeout
Link Access Procedure for Frame-Mode Bearer Services
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