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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. 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
Slow Start Threshold
Excess
Expedited Forwarding
administrative weight
2. An IPv6/IPv4 tunneling method that allows isolated IPv6 domains to be connected over an IPv4 network.
RPVST+
scheduler
DLCI
6to4
3. Hot Standby Router Protocol.
ISATAP
MIB-I
HSRP
Distance Vector Multicast Routing Protocol
4. Temporal Key Integrity Protocol.
Multilink PPP
TKIP
ARP
weighted tail drop
5. Removing unwanted VLANs from a Layer 2 path.
P router
VLAN filtering
maximum reserved bandwidth
successor route
6. A number between 1 and 64 -511 (public) and 64 -512 and 65 -535 (private) assigned to an AS for the purpose of identifying a specific BGP domain.
AS number
network allocation vector
DS3
AS_PATH
7. Virtual Router Redundancy Protocol.
PVST+
VRRP
Discard Eligible
LFI
8. 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
minimum CIR
Inside Global address
adjacent-layer interaction
virtual LAN
9. 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.
ACS
PortFast
HDB3
input event
10. Web Cache Communication Protocol.
Slow Start Threshold
Inside Local address
WCCP
pruning
11. A BGP path attribute that lists the next-hop IP address used to reach an NLRI.
NEXT_HOP
source registration
802.1Q
CIDR
12. An MPLS VPN term referring to a router at a customer site that does not implement MPLS.
NS
Alternate state
TDM hierarchy
customer edge
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.
OAM
active (EIGRP)
exceed
Layer 2 payload compression
14. The MD5-encoded password defined by the enable secret command.
gateway of last resort
Structure of Management Information
enable secret
OOF
15. 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.
source DR
MOSPF
Modular QoS CLI
IGMPv1 Host Membership Query
16. The initial 802.11 common key encryption mechanism; vulnerable to hackers.
PIM-SM (S -G) RP-bit Prune
classless interdomain routing
Database Description
Wired Equivalent Privacy
17. Carrier sense multiple access with collision detection. A media-access mechanism where devices ready to transmit data first check the channel for a carrier. If no carrier is sensed for a specific period of time - a device can transmit. If two devices
T1
CSMA/CD
neighbor (EIGRP)
High Density Binary 3
18. A term referring to EIGRP's internal processing logic.
Dynamic Trunking Protocol
quantum value
Update (EIGRP)
Diffusing Update Algorithm
19. An 802.1w RSTP port state in which the port is not forwarding or receiving; covers 802.1d port states disabled - blocking - and listening.
Port Aggregation Protocol
PAT
discarding state
AS_PATH length
20. An FRF standard for Frame Relay-to-ATM Service Interworking in which one DTE uses Frame Relay and one uses ATM.
DiffServ
FRF.8
RTS
fraggle attack
21. The portion of PPP focused on negotiating IP features
DiffServ
RD
IP Control Protocol
EF
22. A packet-scheduling algorithm used in Cisco switches that provides similar behavior to CBWFQ in shared mode and polices in shaped mode.
administrative scoping
weighted round-robin
LSDB
shaped round-robin
23. A field within a route entry in a routing update - used to associate a generic number with the route. It is used when passing routes between routing protocols - allowing an intermediate routing protocol to pass information about a route that is not n
weighted round-robin
Route Tag field
PVC
LSP
24. An attack by which the attacker initiates many TCP connections to a server - but does not complete the TCP connections - by simply not sending the third segment normally used to establish the connection. The server may consume resources and reject ne
Digital Signal Level 3
TCP SYN flood
transit router (OSPF)
mark probability denominator
25. Defined in RFCs 1517-1520 - a scheme to help reduce Internet routing table sizes by administratively allocating large blocks of consecutive classful IP network numbers to ISPs for use in different global geographies. CIDR results in large blocks of n
fraggle attack
classless interdomain routing
graceful restart (OSPF)
granted window
26. The 802.1X driver that supplies a username/password prompt to the user and sends/receives the EAPoL messages.
Update (EIGRP)
outer label
supplicant
confederation
27. 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.
modified tail drop
trunking
Alternate Mark Inversion
backup state
28. Dynamic ARP Inspection.
active scanning
DAI
Bipolar 8 Zero Substitution
expedite queue
29. The operating mode of shaped round-robin that provides a low-latency queue with policing.
shaped mode
loopback circuitry
AS_PATH
Link Aggregation Control Protocol
30. A queuing scheduler's logic by which - if a particular queue has packets in it - those packets always get serviced next.
ORIGIN
offset list
strict priority
QV
31. 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.
RMON event
variable-length subnet masking
Enhanced Local Management Interface
static length subnet masking
32. A field in the IP header that is decremented at each pass through a Layer 3 forwarding device.
Time to Live
WCCP
Clear To Send
Common Spanning Tree
33. Gateway Load Balancing Protocol.
Modified Deficit Round-Robin
GLBP
MPLS TTL propagation
successor route
34. Defined in IEEE 802.1s - a specification for multiple STP instances when using 802.1Q trunks
classless routing
Multiple Spanning Trees
Database Description
EAP
35. A set of four hex digits listed in an IPv6 address. Each quartet is separated by a colon.
quartet
Measured Round-Trip Time
terminal history
NO_EXPORT
36. Network Address Translation.
Inverse ARP
MIB walk
NAT
LOF
37. On a serial cable - the pin lead set by the DTE to tell the DCE that the DTE wants to send data.
Virtual Router Redundancy Protocol
PPP
orthogonal frequency division multiplexing
Ready To Send
38. The rate at which a shaper limits the bits exiting the shaper.
hello interval
ISATAP
shaping rate
Point-to-Point Protocol
39. Jargon used to refer to the second of two buckets in the dual token bucket model; its size is Be.
triggered updates
straight-through cable
Be bucket
Multiple Spanning Trees
40. 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
routing black hole
Bootstrap Router (BSR)
subnet mask
802.11n
41. Superframe
QV
SF
Congestion Avoidance
NetFlow
42. With RIP - a per-route timer (default 180 seconds) that begins when a route's metric changes to a larger value.
Holddown timer
SN
FRF.5
link-state database
43. A reserved value for the BGP COMMUNITY path attribute that implies that the route should not be advertised to any other peer.
EAPoL
NO_ADVERT
AS_PATH length
fragmentation
44. 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.
Label Switch Router
Class of Service
Password Authentication Protocol
Wireless LAN Threat Defense Solution
45. The process of taking a PDU from some other source and placing a header in front of the original PDU - and possibly a trailer behind it.
remote label
LSRefresh
AGGREGATOR
encapsulation
46. Link-State Acknowledgment.
LSAck
Bc bucket
transient multicast group
service set identifier
47. With DiffServ - a DSCP marking and a related set of QoS actions applied to packets that have that marking.
authentication
Per-Hop Behavior
man-in-the-middle attack
Spanning Tree Protocol
48. The definitions for a particular set of data variables - with those definitions following the SMI specifications. See also SMI.
IP SLA responder
DiffServ
Management Information Base
DS3
49. Defined in RFC 2289 - a mechanism by which a shared key and a secret key together feed into a hash algorithm - creating a password that is transmitted over a network. Because the shared key is not reused - the hash value is only valid for that indivi
one-time password
DR
routing black hole
IP Control Protocol
50. An EIGRP message that is used by a router to notify its neighbors when the router is gracefully shutting down.
Goodbye (EIGRP)
Rapid Per-VLAN Spanning Tree Plus
RXBOOT
IEEE 802.1X