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CCIE Vocab
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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. Extended Superframe.
ESF
WCCP
NO_EXPORT
Network Address Translation
2. The combination of PVST+ and Rapid Spanning Tree. It provides subsecond convergence time and is compatible with PVST+ and MSTP.
Rapid Per-VLAN Spanning Tree Plus
Query (EIGRP)
fast switching
Classic IOS Firewall
3. A message sent by the multicast router - by default every 60 seconds - on each of its LAN interfaces to determine whether any host wants to receive multicast traffic for any group.
TDM hierarchy
IGMPv1 Host Membership Query
Link-State Update
class map
4. Defined in FRF.11 - an FR VC that uses a slightly varied header - as compared with FRF.3 data VCs - to accommodate voice payloads directly encapsulated inside the Frame Relay LAPF header.
iBGP
LSU
Voice over Frame Relay
RTS/CTS
5. 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.
rendezvous point
ingress PE
pulse code modulation
forwarding state
6. 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.
LSA flooding
distance vector
RADIUS
nested policy maps
7. The multicast IP address 224.0.0.5 - listened for by all OSPF routers.
All OSPF Routers
ASN
Dijkstra Algorithm
differentiated tail drop
8. In the context of SNMP - the Trap command is sent by an SNMP agent - to a manager - when the agent wants to send unsolicited information to the manager. Trap is not followed by a Response message from the receiving SNMP manager.
Trap (SNMP)
radio management aggregation
MPLS VPNs
AGGREGATOR
9. A mapping between each DSCP value and a corresponding CoS value - often used in Cisco LAN switches when performing classification for egress queuing.
DHCP snooping binding database
DSCP-to-CoS map
network type (OSPF)
RMON alarm
10. Sent by a PIM router - by default every 30 seconds - on every interface on which PIM is configured to discover neighbors - establish adjacency - and maintain adjacency.
successor route
downstream router
PIM Hello message
expedite queue
11. A WFQ term referring to its drop logic - which is similar to tail-drop behavior.
weighted fair queuing
modified tail drop
prefix
IGMPv2 Host Membership Query
12. An MPLS VPN term referring to a router at a customer site that does not implement MPLS.
Temporal Key Integrity Protocol
customer edge
UplinkFast
SSThresh
13. Quantum value.
Source-Specific Multicast (SSM)
Smoothed Round-Trip Time
QV
window
14. 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
orthogonal frequency division multiplexing
MULTI_EXIT_DISC (MED)
Neighbor Discovery Protocol
Source-Specific Multicast (SSM)
15. A category used by a policer to classify packets relative to the traffic contract. The bit rate implied by all conforming packets is within the traffic contract.
multipath
conform
distance vector
exceed
16. Used to reserve network resources for a flow as it traverses the network. A device that creates an RSVP reservation guarantees that it can provide the bandwidth - latency - or other resources that are requested by RSVP.
Resource Reservation Protocol (RSVP)
OOF
nested policy maps
NLPID
17. An SPF calculation as a result of changes inside the same area as a router - for which the SPF run must examine the full LSDB.
WPA
multipath
CQ
full SPF calculation
18. With EIGRP - a timer started when a reliable (to be acknowledged) message is transmitted. For any neighbor(s) failing to respond in its RTO - the RTP protocol causes retransmission. RTO is calculated based on SRTT.
blocking state
Bipolar Violation
boot field
Retransmission Timeout
19. An IEEE standard that - when used with EAP - provides user authentication before their connected switch port allows the device to fully use the LAN.
Layer 2 protocol tunneling
IEEE 802.1X
Neighbor Type
low-latency queuing
20. An alternative software loaded into a Cisco router - used for basic IP connectivity; most useful when Flash memory is broken and you need IP connectivity to copy a new IOS image into Flash memory.
NEXT_HOP
client tracking
RXBOOT
EUI-64
21. With private VLANs - a secondary VLAN in which the ports can send and receive frames with each other - but not with ports in other secondary VLANS.
RF channel
confederation identifier
Structure of Management Information
community VLAN
22. UniDirectional Link Detection.
MaxAge (OSPF)
LSRefresh
IP Source Guard
UDLD
23. An 802.1w RSTP port state in which the port is not forwarding or receiving; covers 802.1d port states disabled - blocking - and listening.
BackboneFast
RMON alarm
discarding state
I/G bit
24. The underlying algorithms associated with RIP.
TCP header compression
FIB
224.0.0.2
distance vector
25. Bootstrap Router.
PAgP
network type (OSPF)
Inform
BSR
26. As defined in RFCs 2765 and 2766 - a method of translating between IPv4 and IPv6 that removes the need for hosts to run dual protocol stacks. NAT-PT is an alternative to tunneling IPv6 over an IPv4 network - or vice versa.
802.11a
Network Address Translation-Protocol Translation
Gateway Load Balancing Protocol
Neighbor Advertisement
27. A 3-bit field in an ISL header used for marking frames. Also - used generically to refer to either the ISL CoS field or the 802.1Q User Priority field.
RA
Class of Service
WCCP
NTP
28. A group of devices on one or more LANs that are configured (using management software) so that they can communicate as if they were attached to the same wire - when - in fact - they are located on a number of different LAN segments. Because VLANs are
virtual LAN
LSAck
sub-AS
access link
29. A network/subnet over which two or more OSPF routers have become neighbors - thereby being able to forward packets from one router to another across that network.
OAM
transit network (OSPF)
multicast state information
multicast scoping
30. A reserved value for the BGP COMMUNITY path attribute that implies that the route should not be advertised to any other peer.
Label Forwarding Information Base
MIB-I
distance vector
NO_ADVERT
31. An FRF standard for Frame Relay-to-ATM Service Interworking in which both DTEs use Frame Relay - with ATM in between.
authentication server
CLP
FRF.5
generic routing encapsulation
32. Priority queue and priority queuing.
congestion window
ToS byte
PQ
Control Plane Policing (CoPP)
33. Dynamic ARP Inspection.
DAI
RID
Query (EIGRP)
terminal history
34. A possible side effect of a scheduler that performs strict-priority scheduling of a queue - which can result in lower-priority queues getting little or no service.
MIB-II
queue starvation
SSThresh
subnet broadcast address
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.
service set identifier
Differentiated Services Code Point
encapsulation
orthogonal frequency division multiplexing
36. The process of taking the IP and TCP headers of a packet - compressing them - and then uncompressing them on the receiving router.
TCP header compression
enhanced editing
SRTT
MQC
37. Often used synonymously with neighbor - but with emphasis on the fact that all required parameters match - allowing routing updates to be exchanged between the routers.
NS
FHSS
adjacency (EIGRP)
PHP
38. Ready To Send.
Cell Loss Priority
Label Forwarding Information Base
RTS
multicast scoping
39. 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
EAP over LAN
optional nontransitive
AGGREGATOR
stub area
40. An IPv6 address format used for publicly registered IPv6 addresses.
aggregatable global unicast address
private AS
ASN
Protocol Independent Multicast dense-mode routing protocol
41. Frequency hopping spread spectrum.
downstream router
EGP
port security
FHSS
42. 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
ad hoc mode
MPLS unicast
GetNext
network type (OSPF)
43. Committed information rate.
Port Aggregation Protocol
FRF.5
CIR
split horizon
44. A BGP process by which a router reapplies routing policy configuration (route maps - filters - and the like) based on stored copies of sent and received BGP Updates.
discarding state
Data Terminal Ready
soft reconfiguration
AAAA
45. An exterior routing protocol designed to exchange prefix information between different autonomous systems. The information includes a rich set of characteristics called path attributes - which in turn allows for great flexibility regarding routing ch
DUAL
Border Gateway Protocol
Network Address Translation-Protocol Translation
NEXT_HOP
46. After a host receives an IGMP Query - the amount of time (default - 10 seconds) the host has to send the IGMP Report.
root port
full SPF calculation
Maximum Response Time
Web Cache Communication Protocol
47. Clear To Send.
OAM
VLAN Trunking Protocol
Bipolar 8 Zero Substitution
CTS
48. Operates in dense mode and depends on its own unicast routing protocol that is similar to RIP to perform its multicast functions.
Distance Vector Multicast Routing Protocol
generic traffic shaping (GTS)
maximum transmission unit
subnet
49. A process whereby a switch - when making a forwarding decision - uses not only Layer 2 logic but other OSI layer equivalents as well.
Route Target
Multilayer Switching
fraggle attack
Virtual Routing and Forwarding table
50. Assured Forwarding. A set of DiffServ PHBs that defines 12 DSCP values - with four queuing classes and three drop probabilities within each queuing class.
authentication method
AF
IGMPv1 Host Membership Query
Feasible Distance
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