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CCIE Vocab
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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. Any occurrence that could change a router's EIGRP topology table - including a received Update or Query - a failed interface - or the loss of a neighbor.
sequence number (WFQ)
BGP Update
CHAP
input event
2. Variable-length subnet masking.
VLSM
fully adjacent (OSPF)
Get (SNMP)
Neighbor Type
3. A BGP path attribute that allows routers in one AS to set a value and advertise it into a neighboring AS - impacting the decision process in that neighboring AS. A smaller value is considered better. Also called the BGP metric.
MULTI_EXIT_DISC (MED)
Bipolar Violation
static length subnet masking
Web Cache Communication Protocol
4. Voice over Frame Relay.
VoFR
Wi-Fi Protected Access
rendezvous point
RTS/CTS
5. For some encoding schemes - consecutive signals must use opposite polarity in an effort to reduce DC current. A BPV occurs when consecutive signals are of the same polarity.
SPF algorithm
Bipolar Violation
Bootstrap Router (BSR)
Superframe
6. EIGRP (and IGRP) allows for the use of bandwidth - load - delay - MTU - and link reliability; the K values refer to an integer constant that includes these five possible metric components. Only bandwidth and delay are used by default - to minimize re
granted window
IGMPv2 Host Membership Query
K value
Auto-RP
7. A neighbor state that signifies the other router has reached neighbor status - having passed the parameter check.
VRF Lite
2Way (OSPF)
BPV
SVC
8. An NTP client that assumes that a server will send NTP broadcasts - removing the requirement for the client to have the NTP server's IP address preconfigured.
NTP broadcast client
quantum value
SSM
offset list
9. A method of Link Fragmentation and Interleaving (LFI) over interfaces that natively use Frame Relay encapsulation. The routers first build MLP-style PPP headers - which are then encapsulated inside a Frame Relay header. The PPP headers are then used
IGMPv2 Host Membership Report
Frame Relay LFI Using Multilink PPP (MLP)
mincir
BGP table
10. 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.
LMI
Invalid timer
Voice over Frame Relay
E1
11. Cisco-proprietary STP feature in which a switch port - known to not have a bridge or switch attached to it - transitions from disabled to forwarding state without using any intermediate states.
distance vector
PortFast
Multicast Source Discovery Protocol (MSDP)
weight (BGP)
12. An issue whereby parts of the RF signal take different paths from the source to the destination - which causes direct and reflected signals to reach the receiver at different times - and corresponding bit errors.
RMON event
RTO
DLCI
multipath
13. A specification for the 64-bit interface ID in an IPv6 address - composed of the first half of a MAC address - hex FFFE - and the last half of the MAC.
TTL scoping
EUI-64
High Density Binary 3
path attribute
14. Exterior Gateway Protocol.
MD5 hash
EGP
global routing prefix
nested policy maps
15. A Cisco IOS queuing tool most notable for its automatic classification of packets into separate per-flow queues.
weighted fair queuing
router ID
adjacency (EIGRP)
Inverse ARP
16. Inside telcos' original TDM hierarchy - a unit that combines multiple DS0s into a single channel
Neighbor Type
authentication - authorization - and accounting
224.0.0.5
Digital Signal Level 1
17. A prestandard (at the time of publication) wireless LAN physical layer that offers data rates in the hundreds of megabits per second.
AMI
All OSPF DR Routers
802.11n
Digital Signal Level 1
18. Excess Burst.
variance
Tag Distribution Protocol
Be
RPF check
19. Committed Burst.
LOCAL_PREF
sparse-mode protocol
broadcast address
Bc
20. 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
IGMPv3 Host Membership Report
multicast scoping
shaped mode
Slow Start Threshold
21. 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)
ABR
CS
generic routing encapsulation
22. Layer x PDU.
VLAN filtering
LxPDU
route redistribution
ARP
23. Jargon referring to a policer action through which - instead of discarding an out-of-contract packet - the policer marks a different IPP or DSCP value - allowing the packet to continue on its way - but making the packet more likely to be discarded la
input event
marking down
OAM
multicast MAC address
24. The OSPF data structure that describes topology information.
ASBR
link-state advertisement
Digital Signal Level 1
monitor session
25. 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.
DSL
Bc
LSDB
queue starvation
26. A message sent by a router - after receiving a Leave message from a host - to determine whether there are still any active members of the group. The router uses the group address as the destination address.
Port Address Translation
IGMPv2 Group-Specific Query
CGMP
pruning
27. In Frame Relay - a link between a router and a Frame Relay switch.
Extended Superframe
DCD
224.0.0.6
access link
28. Designed to solve the problems of multicast duplication and multicast routing loops. For every multicast packet received - a multicast router examines its source IP address - consults its unicast routing table - determines which interface it would us
802.11g
dense-mode protocol
RPF check
TDM
29. Single-bit fields in the TCP header. For example - the TCP SYN and ACK code bits are used during connection establishment.
MST
RPF check
DiffServ
TCP code bits
30. With RIP - a per-route timer that increases until the router receives a routing update that confirms the route is still valid - upon which the timer is reset to 0. If the updates cease - the Invalid timer will grow - until reaching the timer setting
Invalid timer
Per-Hop Behavior
RTP
default route
31. Rendezvous point.
local label
Port Address Translation
RP
Digital Signal Level 0
32. Differentiated Services Code Point.
LOCAL_PREF
MQC
VPN label
DSCP
33. A standard (RFC 3768) feature by which multiple routers can provide interface IP address redundancy so that hosts using the shared - virtual IP address as their default gateway can still reach the rest of a network even if one or more routers fail.
VLAN
Modified Deficit Round-Robin
Virtual Router Redundancy Protocol
network type (OSPF)
34. Orthogonal frequency division multiplexing.
OFDM
outer label
224.0.0.2
AIS
35. Wired Equivalent Privacy.
pulse code modulation
DS1
WEP
SCP
36. The second most significant bit in the most significant byte of an Ethernet MAC address - a value of binary 0 implies that the address is a Universally Administered Address (UAA) (also known as Burned-In Address [BIA]) - and a value of binary 1 impli
route poisoning
U/L bit
LOCAL_AS
Route Tag field
37. In shaping and policing - the definition of parameters that together imply the allowed rate and bursts.
traffic contract
IGMPv2 Host Membership Query
adaptive shaping
Multicast Source Discovery Protocol (MSDP)
38. Loss of Frame.
LOF
route reflector non-client
feasible successor
Link Access Procedure for Frame-Mode Bearer Services
39. Aka Rapid Per-VLAN Spanning Tree Plus.
RPVST+
multicast
DUAL
PE
40. Gateway Load Balancing Protocol.
Router Advertisement
GLBP
modified tail drop
RADIUS
41. Software-based collection and reporting tool for data reported by NetFlow.
superior BPDU
NetFlow aggregator
learning state
VTP pruning
42. Network Control Protocol.
label binding
NCP
Message Digest 5
RGMP
43. A problem that occurs when an AS does not run BGP on all routers - with synchronization disabled. The routers running BGP may believe they have working routes to reach a prefix - and forward packets to internal routers that do not run BGP and do not
Hello timer
Multicast Source Discovery Protocol (MSDP)
routing black hole
broadcast address
44. An FRF standard for LFI for VoFR (FRF.11) VCs - in which all voice frames are interleaved in front of data frames' fragments.
trunking
strict priority
multicast IP address structure
FRF.11-c
45. A wireless LAN that includes the use of access points. Infrastructure mode connects wireless users to a wired network and allows wireless users to roam throughout a facility between different access points. All 802.11 data frames in an infrastructure
NO_EXPORT_SUBCONFED
infrastructure mode
Superframe
IGMPv3 Host Membership Query
46. 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.
Query (EIGRP)
peak information rate
Classic IOS Firewall
DCD
47. The All OSPF Routers multicast IP address - listened for by all OSPF routers.
Remote VLAN
GetBulk
AAAA
224.0.0.5
48. A term referring to the MQC policy-map command and its related subcommands - which are used to apply QoS actions to classes of packets.
MLS
policy map
virtual IP address
half duplex
49. Multilink PPP.
point coordination function
MLP
Ready To Send
MRT
50. A set of four hex digits listed in an IPv6 address. Each quartet is separated by a colon.
Graft message
Router-Port Group Management Protocol
quartet
FEC
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