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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 802.1d STP port state in which the port does not send or receive frames - except for listening for received Hello BPDUs.
MLP LFI
blocking state
anycast
sparse-mode protocol
2. An OSPF external route for which internal OSPF cost is added to the cost of the route as it was redistributed into OSPF.
passive (EIGRP)
ABR
E1 route (OSPF)
routed interface
3. A contiguous group of data links that share the same OSPF area number.
Message Digest 5
Forwarding Equivalence Class
area (OSPF)
hardware queue
4. A Cisco-proprietary protocol that defines how to perform authentication between an authenticator (for example - a router) and an authentication server that holds a list of usernames and passwords.
TACACS+
Loss of Frame
802.11b
nested policy maps
5. In IPv6 - a Router Advertisement message used by an IPv6 router to send information about itself to nodes and other routers connected to that router.
Time to Live
Router Advertisement
Wired Equivalent Privacy
private VLAN
6. An intrusion detection system that safeguards the wireless LAN from malicious and unauthorized access.
tail drop
blocking state
variance
Wireless LAN Threat Defense Solution
7. Policing in which two rates are metered - and packets are placed into one of three categories (conform - exceed - or violate).
scheduler
Assert message
dual-rate - three-color policer
mark probability denominator
8. A strategy for subnetting a classful network for which masks/prefixes are different for some subnets of that one classful network.
stateless autoconfiguration
Inside Local address
LACP
variable-length subnet masking
9. Backward Explicit Congestion Notification.
request-to-send/clear-to-send
AIS
BECN
Update timer (RIP)
10. Discard Eligible.
BPV
Neighbor Solicitation
DE
Wi-Fi Protected Access
11. An FRF standard for LFI for VoFR (FRF.11) VCs - in which all voice frames are interleaved in front of data frames' fragments.
AF
same-layer interaction
aggregate route
FRF.11-c
12. Protocol Independent Multicast sparse-mode routing protocol.
autonomous system
Hello (EIGRP)
E2 route (OSPF)
PIM-SM
13. A method for how a TCP sender grows its calculated CWND variable - thereby growing the allowed window for the connection. Congestion Avoidance grows CWND linearly.
TTL scoping
Congestion Avoidance
enable secret
fragmentation
14. Inside telcos' original TDM hierarchy - a unit that combines multiple DS0s into a single channel
Digital Signal Level 1
CEF
User Priority
Multicast Source Discovery Protocol (MSDP)
15. Defines a particular wireless LAN. The SSID configured in the radio card must match the SSID in the access point before the station can connect with the access point.
RTP header compression
IP forwarding
Hello (OSPF)
service set identifier
16. 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
Internet Group Management Protocol
CWND
switched interface
17. WRED compares this setting to the average queue depth to decide whether packets should be discarded. All packets are discarded if the average queue depth rises above this maximum threshold.
receiver's advertised window
passive mode FTP
maximum threshold
InARP
18. 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.
data terminal equipment
aggregatable global unicast address
PQ
internal DSCP
19. Router ID.
RID
cross-over cable
Route Target
RXBOOT
20. An 802.1d STP transitory port state in which the port does not send or receive frames - and does not learn MAC addresses - but does wait for STP convergence and for CAM flushing by the switches in the network.
listening state
WPA
DS0
successor route
21. Per-VLAN Spanning Tree Plus.
minimum CIR
PVST+
PHP
Rapid Per-VLAN Spanning Tree Plus
22. A calculation of the length of the AS_PATH PA - which includes 1 for each number in the AS_SEQ - 1 for an entire AS_SET segment - and possibly other considerations.
inner label
default route
AS_PATH length
virtual link
23. The multicast IP address 224.0.0.6 - listened for by DR and BDR routers.
multicast
generic routing encapsulation
authentication
All OSPF DR Routers
24. The actual number of packets in a queue at a particular time.
Multicast Listener Discovery
PVC
Router-Port Group Management Protocol
actual queue depth
25. A VC that is set up dynamically when needed. An SVC can be equated to a dial-on-demand connection in concept.
switched virtual circuit
Link-State Acknowledgment
Expedited Forwarding
Measured Round-Trip Time
26. 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.
provider router
Modified Deficit Round-Robin
Graft Ack message
OFDM
27. Virtual circuit.
Update (EIGRP)
VC
All OSPF Routers
ATOMIC_AGGREGATE
28. A network/subnet to which only one OSPF router is connected.
TCP header compression
Management Information Base
stub network (OSPF)
exponential weighting constant
29. Label Distribution Protocol.
conform
CIR
DTP
LDP
30. 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 forward the attribute unchanged (tran
Structure of Management Information
optional transitive
WPA
Multicast Listener Discovery
31. The portion of PPP focused on supporting the CDP protocol.
same-layer interaction
Differentiated Services
CDP Control Protocol
AS number
32. With OSPF - the encapsulation of OSPF messages inside IP - to a router with which no common subnet is shared - for the purpose of either mending partitioned areas or providing a connection from some remote area to the backbone area.
virtual link
FEC
Class Selector
2Way (OSPF)
33. WRED is a method of congestion avoidance that works by dropping packets before the output queue becomes completely full. WRED can base its dropping behavior on IP Precedence or DSCP values to drop low-priority packets before high-priority packets.
poison reverse
AS_SEQUENCE
Get (SNMP)
weighted random early detection
34. Prefix list.
route reflector server
Bipolar Violation
224.0.0.6
IP prefix list
35. 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
internal DSCP
subnet zero
LSR
36. An address type in IPv6 networks that is used only on the local link and never beyond that scope.
FRF.9
link-local
Join/Prune message
network layer reachability information
37. The protocol used in IPv6 for many functions - including address autoconfiguration - duplicate address detection - router - neighbor - and prefix discovery - neighbor address resolution - and parameter discovery.
Neighbor Type
Neighbor Discovery Protocol
mark probability denominator
NO_EXPORT_SUBCONFED
38. 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.
Rapid Per-VLAN Spanning Tree Plus
Fast Secure Roaming
routing black hole
input event
39. A state for a route in an EIGRP topology table that indicates that the router believes that the route is stable - and it is not currently looking for any new routes to that subnet.
ISATAP
orthogonal frequency division multiplexing
local computation
passive (EIGRP)
40. In BGP - a feature in which BGP routes cannot be considered to be a best route to reach an NLRI unless that same prefix exists in the router's IP routing table as learned via some IGP.
subnet broadcast address
Set (SNMP)
Fast Secure Roaming
synchronization
41. Multicast Open Shortest Path First.
scheduler
virtual circuit
marking down
MOSPF
42. Virtual Router Redundancy Protocol.
VRRP
Link Fragmentation and Interleaving
granted window
Forward Delay
43. A TCP variable used as the basis for a TCP sender's timer defining how long it should wait for a missing acknowledgement before resending the data.
inspection rule
Cisco Express Forwarding
Measured Round-Trip Time
Border Gateway Protocol
44. In IP routing - a term referring to the building of IP routing tables by IP routing protocols.
Layer 2 protocol tunneling
RID
control plane
Neighbor Discovery Protocol
45. Retransmission Timeout.
actual queue depth
token bucket
rendezvous point
RTO
46. Area Border Router. An OSPF router that connects to the backbone area and to one or more non-backbone areas.
nested policy maps
mincir
priority queuing
ABR
47. 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.
split horizon
Network Based Application Recognition
VPN label
AAA
48. An attack similar to a smurf attack - but using packets for the UDP Echo application instead of ICMP.
All OSPF Routers
IGMPv3 Host Membership Report
route reflector server
fraggle attack
49. When multiple routers are connected to a subnet - only one should be sending IGMP queries. It is called a querier. IGMPv1 does not have any rules for electing a querier. In IGMPv2 and IGMPv3 - a router with the lowest interface IP address on the subn
LSAck
Next Hop field
querier election
external route
50. In the PIM-SM design - the central distribution point to which the multicast traffic is first delivered from the source designated router.
rendezvous point
WFQ
PIM-SM (S -G) RP-bit Prune
Hold timer