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Test your basic knowledge |
CCIE Vocab
Start Test
Study First
Subjects
:
certifications
,
ccie
,
it-skills
Instructions:
Answer 50 questions in 15 minutes.
If you are not ready to take this test, you can
study here
.
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. An MPLS data structure used for forwarding labeled packets. The LFIB lists the incoming label - which is compared to the incoming packet's label - along with forwarding instructions for the packet.
administrative scoping
EGP
CWND
Label Forwarding Information Base
2. The multicast addresses assigned by IANA.
permanent multicast group
PE
TCP SYN flood
remaining bandwidth
3. Virtual Routing and Forwarding table.
subnet broadcast address
VRF table
BGP table
Virtual Routing and Forwarding table
4. In PIM-SM - the path of the group traffic that flows from the RP to the routers that need the traffic. It is also called the root-path tree (RPT) - because it is rooted at the RP.
shared distribution tree
partial update
maximum reserved bandwidth
alternate mode
5. Authentication - authorization - and accounting.
AAA
FIB
Wireless LAN Threat Defense Solution
MTU
6. The process of successive neighboring routers exchanging LSAs such that all routers have an identical LSDB for each area to which they are attached.
B8ZS
partial update
LSA flooding
LSA type (OSPF)
7. A mechanism in which VLAN information can extend over another set of 802.1Q trunks by tunneling the original 802.1Q traffic with another 802.1Q tag. It allows a service provider to support transparent VLAN services with multiple customers - even if t
802.1Q-in-Q
NTP
LOS
RT
8. A PPP feature used to load balance multiple parallel links at Layer 2 by fragmenting frames - sending one frame over each of the links in the bundle - and reassembling them at the receiving end of the link.
Discard Eligible
minimum threshold
Multilink PPP
established
9. Enhanced Local Management Interface.
same-layer interaction
MOSPF
virtual link
ELMI
10. Virtual circuit.
VC
virtual IP address
TACACS+
RID
11. Defined in RFC 3748 - the protocol used by IEEE 802.1X for exchanging authentication information.
Flush timer
Extensible Authentication Protocol
Digital Signal Level 3
Distance Vector Multicast Routing Protocol
12. 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.
input event
ORIGINATOR_ID
shortest-path tree switchover
route reflector client
13. An OSPF timer that determines how long an LSA can remain in the LSDB without having heard a reflooded copy of the LSA.
priority queuing
PAP
LZS
MaxAge (OSPF)
14. Alarm Indication Signal. With T1s - the practice of sending all binary 1s on the line in reaction to problems - to provide signal transitions and allow recovery of synchronization and framing.
AGGREGATOR
Backward Explicit Congestion Notification
map class
AIS
15. A mechanism used by TCP senders to limit the dynamic window for a TCP connection - to reduce the sending rate when packet loss occurs. The sender considers both the advertised window size and CWND - using the smaller of the two.
rendezvous point
graceful restart (OSPF)
congestion window
classless interdomain routing
16. From one perspective - DTE devices are one of two devices on either end of a communications circuit - specifically the device with less control over the communications. In Frame Relay - routers connected to a Frame Relay access link are DTE devices.
permanent multicast group
WPA
downstream router
data terminal equipment
17. An FRF standard for payload compression.
FRF.9
VRRP
backbone area (OSPF)
overlapping VPN
18. 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
prefix
Per-Hop Behavior
RSPAN
RPF check
19. Reverse ARP.
ORIGIN
PHP
RARP
Slow Start Threshold
20. A Cisco-proprietary messaging protocol used to negotiate the dynamic creation of PortChannels (EtherChannels) and to choose which ports can be placed into an EtherChannel.
stub router (EIGRP)
DE
superior BPDU
Port Aggregation Protocol
21. An MPLS term referring to any device that can forward packets that have MPLS labels.
MPLS TTL propagation
sparse-mode protocol
Label Switch Router
MIB-II
22. A single instance of STP that is applied to multiple VLANs - typically when using the 802.1Q trunking standard.
Enhanced Local Management Interface
Class Selector
Structure of Management Information
Common Spanning Tree
23. Neighbor Solicitation.
NS
data terminal equipment
U/L bit
Message Digest 5
24. The RMON function of sending a notification to an RMON collector or the console. Triggered by an RMON event.
cross-over cable
Multilink PPP
RMON alarm
edge LSR
25. Aka Rapid Per-VLAN Spanning Tree Plus.
K value
P router
dual stack
RPVST+
26. Version 4 of the IP protocol - which is the generally deployed version worldwide (at publication) - and uses 32-bit IP addresses.
shaped mode
AS_PATH
client tracking
IPv4
27. Aka minimum CIR.
RTS/CTS
solicited node multicast
Multicast Open Shortest Path First
mincir
28. An Internet standard serial data-link protocol - used on synchronous and asynchronous links - that provides data-link framing - link negotiation - Layer 3 interface features - and other functions.
designated port
Point-to-Point Protocol
IGMP
routing black hole
29. Shaped round-robin.
MRT
SRR
Forward Delay
Red Alarm
30. The range 233.0.0.0 through 233.255.255.255 that IANA has reserved (RFC 2770) on an experimental basis. It can be used by anyone who owns a registered autonomous system number to create 256 global multicast addresses.
GLOP addressing
ORIGIN
EUI-64
IGMPv3 Host Membership Query
31. A switch feature with which the switch watches ARP messages - determines if those messages may or may not be part of some attack - and filters those that look suspicious.
switched interface
DTIM interval
Message Digest 5
Dynamic ARP Inspection
32. A term used with Cisco LAN switches - referring to a DSCP value used when making QoS decisions about a frame. This value may not be the actual DSCP value in the IP header encapsulated inside the frame.
class map
internal DSCP
stub network (OSPF)
Hold timer
33. The IP address to which Label Distribution Protocol (LDP) sends LDP Hellos. Also used in IP multicast to send packets to all multicast routers.
multicasting
Multicast Open Shortest Path First
224.0.0.2
regular expression
34. Internet Group Management Protocol.
encapsulation
AS_PATH
PDU
IGMP
35. On a single computer - one layer provides a service to a higher layer. The software or hardware that implements the higher layer requests that the next lower layer perform the needed function.
adjacent-layer interaction
area (OSPF)
single-rate - three-color policer
VRRP Master router
36. An STP timer that dictates how long a switch should wait when it ceases to hear Hellos.
synchronization
OFDM
Maxage timer (STP)
LSRefresh
37. A name used for DS1 lines inside the North American TDM hierarchy.
IP SLA responder
T1
authenticator
RGMP
38. Aka network layer reachability information.
NLRI
Be
priority (OSPF)
feasible successor
39. On a serial cable - the pin lead set by the DTE to imply that the DTE is ready to signal using pin leads.
Remote VLAN
ORIGIN
VRF table
Data Terminal Ready
40. Controls access to the Internet in public wireless LANs.
authentication - authorization - and accounting
wireless LAN controller
IGMPv2 Host Membership Query
NLRI
41. A state for a route in an EIGRP topology table that indicates that the router is actively sending Query messages for this route - attempting to validate and learn the current best route to that subnet.
AS_SET
active (EIGRP)
BOOTP
DSR
42. Multicast Open Shortest Path First.
ad hoc mode
Loss of Frame
MOSPF
egress PE
43. Neighbor Advertisement.
NLPID
Red Alarm
NA
encapsulation replication
44. Frame Relay Forum.
FRF
exceed
RID
flash updates
45. With EIGRP - the metric value for the lowest-metric route to a particular subnet.
Feasible Distance
Alternate state
OOF
prefix list
46. Label switched path.
DSSS
LSP
DLCI
active (EIGRP)
47. The process of changing the electrical characteristics on a transmission medium - based on defined rules - to represent data.
IOS Intrusion Prevention System (IPS)
FRF.9
time-division multiplexing
encoding
48. Sequence number.
weighted random early detection
neighbor (EIGRP)
SN
metric
49. 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.
port security
shared mode
Layer 2 payload compression
DS field
50. Cisco Group Management Protocol.
CGMP
DTR
TTL scoping
remote label