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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. A wireless LAN physical layer that operates at up to 54-Mbps data rates using OFDM in the 5-GHz band.
control plane
TCP intercept
802.11a
NTP server mode
2. With OSPF - the timer used to determine when a neighboring router has failed - based on a router not receiving any OSPF messages - including Hellos - in this timer period.
link-state advertisement
broadcast address
Spanning Tree Protocol
Dead Time/Interval
3. The rate at which a shaper limits the bits exiting the shaper.
Link-State Acknowledgment
token bucket
request-to-send/clear-to-send
shaping rate
4. Used by a policer to classify packets relative to the traffic contract. These packets are considered to be above the traffic contract in all cases.
violate category
expedite queue
UDLD
Out of Frame
5. A type of AS_PATH segment consisting of an unordered list of ASNs consolidated from component subnets of a summary BGP route.
Maximum Response Time
AS_SET
CEF
sequence number (OSPF)
6. With EIGRP - the metric (distance) of a route as reported by a neighboring router.
IP Precedence
reported distance
NTP broadcast client
DSSS
7. 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.
ToS byte
Maxage timer (STP)
sticky learning
Voice over Frame Relay
8. Defined in IEEE 802.1d - a protocol used on LAN bridges and switches to dynamically define a logical network topology that allows all devices to be reached - but prevents the formation of loops.
Spanning Tree Protocol
permanent multicast group
Border Gateway Protocol
Point-to-Point Protocol
9. Voice over Frame Relay.
SCP
RITE
label binding
VoFR
10. Internal BGP.
E1 route (OSPF)
DCD
iBGP
TCP intercept
11. In MPLS VPNs - a 64-bit Extended Community path attribute attached to a BGP route for the purpose of controlling into which VRFs the route is added.
Route Target
Invalid timer
data plane
multicast scoping
12. Dynamic Multipoint VPN.
DMVPN
RGMP
Committed Burst
DR election (OSPF)
13. Class-Based Marking.
Discard Eligible
CB Marking
RT
quantum value
14. The same thing as TCP code bits. See TCP code bits.
PVST+
TCP flags
ToS byte
Time Interval (Tc)
15. Class Selector.
CS
DHCP snooping
WRED
Lead Content Engine
16. An enhanced version of T1 framing - as compared with the earlier Superframe (D4) standard.
Extended Superframe
stateful autoconfiguration
Dynamic Trunking Protocol
subnet ID
17. The innermost MPLS header in an packet traversing an MPLS VPN - with the label value identifying the forwarding details for the egress PE's VRF associated with that VPN.
permanent multicast group
VPN label
multipath
PIM-DM
18. A BGP router that - unknown to it - is aided by a route reflector server to cause all iBGP routers in an AS to learn all eBGP-learned prefixes.
IP Precedence
route reflector client
Border Gateway Protocol
policing rate
19. Congestion window.
DMVPN
CWND
MULTI_EXIT_DISC (MED)
multipath
20. Three core security functions.
authentication - authorization - and accounting
MIB walk
internal DSCP
stub router (EIGRP)
21. The signal strength of the RF signal at the output of the radio card or access point transmitter - before being fed into the antenna. Measured in milliwatts - watts - or dBm.
distribution list
MLP LFI
transmit power
Network Address Translation-Protocol Translation
22. Message sent by a PIM-DM router to a downstream router when it receives a Graft message from the downstream router; sent using the unicast address of the downstream router.
Graft Ack message
VLSM
TKIP
ISATAP
23. Prefix list.
IGMPv2 Group-Specific Query
DTP
sticky learning
IP prefix list
24. A basic form of traffic shaping that is applied to an interface or subinterface. By default - it shapes all traffic leaving the interface - but can be modified by using an access control list. The access list controls only what traffic is shaped; GTS
802.11g
Spanning Tree Protocol
scheduler
generic traffic shaping (GTS)
25. An 802.1d STP port state in which the port sends and receives frames.
Tag Distribution Protocol
neighbor state
forwarding state
MLD
26. Calculated measurement based on the actual queue depth and the previous average. Designed to allow WRED to adjust slowly to rapid changes of the actual queue depth.
average queue depth
DS0
signal-to-noise ratio
GetNext
27. Temporal Key Integrity Protocol.
MST
TKIP
penultimate hop popping (PHP)
MPD
28. Finish time.
no drop
totally stubby area
FT
overloading
29. A predefined VC. A PVC can be equated to a leased line in concept.
Source-Specific Multicast (SSM)
VLAN Trunking Protocol
PAgP
permanent virtual circuit
30. 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.
active (EIGRP)
multicast IP address structure
MQC
maximum transmission unit
31. 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.
CEF
synchronization
multipath
NAT-PT
32. An OSPF router that connects to the backbone area and to one or more non-backbone area.
PortFast
SCP
FIB
Area Border Router
33. The process of sending an infinite-metric route in routing updates when that route fails.
TDM
SMI
Enhanced Local Management Interface
route poisoning
34. The one VLAN on an 802.1Q trunk for which the endpoints do not add the 4-byte 802.1Q tag when transmitting frames in that VLAN.
terminal history
native VLAN
FRF.8
optional transitive
35. When a Query is received from a router - each host randomly picks a time between 0 and the Maximum Response Time period to send a Report. When the host with the smallest time period first sends the Report - the rest of the hosts suppress their report
Report Suppression mechanism
smurf attack
listening state
VRF table
36. Cisco-proprietary STP feature in which a switch port monitors for STP BPDUs of any kind - err-disabling the port upon receipt of any BPDU.
RMON alarm
aggregatable global unicast address
CHAP
BPDU Guard
37. A term referring to the processes and bits in the data stream used to manage the Telco TDM hierarchy.
IGMPv3 Host Membership Query
2Way (OSPF)
Operation - Administration - and Maintenance
OAM
38. A method of collecting traffic received on a switch port or a VLAN and sending it to specific destination ports on the same switch.
ISL
Differentiated Services
Layer x PDU
SPAN
39. A term referring generically to a server that performs many AAA functions. It also refers to the software product Cisco Secure Access Control Server.
DE
IGMPv2 Group-Specific Query
NS
Access Control Server
40. A serial-line encoding standard that substitutes Bipolar Violations in a string of eight binary 0s to provide enough signal transitions to maintain synchronization.
neighbor (EIGRP)
Forward Delay
TCP flags
Bipolar 8 Zero Substitution
41. RFC 1918-defined IPv4 network numbers that are not assigned as public IP address ranges - and are not routable on the Internet. Intended for use inside enterprise networks.
classless routing
passive mode FTP
private addresses
DHCP snooping binding database
42. With DiffServ - a DSCP marking and a related set of QoS actions applied to packets that have that marking.
enable password
SPF calculation
Reverse ARP
Per-Hop Behavior
43. The router that will receive the group traffic when a multicast router forwards group traffic to another router.
DTR
Label Distribution Protocol
Prune Override
downstream router
44. This term has two BGP-related definitions. First - it is the normal process in which a router - before sending an Update to an eBGP peer - adds its local ASN to the beginning of the AS_PATH path attribute. Second - it is the routing policy of purpose
AS_PATH prepending
advertised window
remote label
point coordination function
45. A table used by CEF that holds information about adjacent IP hosts to which packets can be forwarded.
MRTT
RMON alarm
adjacency table
MTU
46. A multicast routing protocol that operates in dense mode and depends on the OSPF unicast routing protocol to perform its multicast functions.
Multicast Open Shortest Path First
RTS
ingress PE
Yellow Alarm
47. A commonly used name for Multi-VRF CE.
Time to Live
minimum threshold
VRF Lite
CTS
48. A method of applying a mathematical formula - with input including a private key - the message contents - and sometimes a shared text string - with the resulting digest being included with the message. The sender and the receiver perform the same mat
successor route
Data Carrier Detect
Message Digest 5
IOS Intrusion Prevention System (IPS)
49. A numeric value between 0 and 32 (inclusive) that defines the number of beginning bits in an IP address for which all IP addresses in the same group have the same value. Alternative: The number of binary 1s beginning a subnet mask - written as a deci
expedite queue
FRF
prefix
SPAN
50. The second byte of the IP header - formerly known as the ToS byte and redefined by DiffServ.
DS field
stateful autoconfiguration
Hold timer
MPD
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