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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. 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.
Route Target
AAA
interface ID
input event
2. Rendezvous point.
multicasting
RP
eBGP multihop
going active
3. Alternate Mark Inversion. 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.
Update (EIGRP)
AMI
transient multicast group
Management Information Base
4. 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.
rendezvous point
shared mode
Network Address Translation-Protocol Translation
variance
5. A term used with Cisco LAN switches - referring to a queue treated with strict-priority scheduling.
shaping rate
expedite queue
AIS
Query (EIGRP)
6. The 802.1X function implemented by a switch - in which the switch translates between EAPoL and RADIUS messages in both directions - and enables/disables ports based on the success/failure of authentication.
BPV
authenticator
private AS
label switched path
7. Multiple Spanning Trees.
CST
shaped round-robin
subnet number
MST
8. A message sent by each host - either in response to a router Query or on its own - to all multicast groups for which it would like to receive multicast traffic.
IGMPv2 Host Membership Report
BGP decision process
AS_PATH
DD
9. 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
CSMA/CD
Virtual Router Redundancy Protocol
E1 route (OSPF)
fully adjacent (OSPF)
10. An STP timer that dictates the interval at which the Root switch generates and sends Hello BPDUs.
flash updates
IP SLA responder
Internet Group Management Protocol
Hello timer
11. Weighted fair queuing.
IGMPv1 Host Membership Query
WFQ
I/G bit
route poisoning
12. 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.
modified tail drop
NTP broadcast client
classless routing
VPN label
13. Point-to-Point Protocol.
PPP
TCP code bits
shared mode
backup state
14. With EIGRP - a route that is not a successor route - but that meets the feasibility condition; can be used when the successor route fails - without causing loops.
WEP
feasible successor
PIR
WRED
15. A characteristic of OSPF interfaces that determines whether a DR election is attempted - whether or not neighbors must be statically configured - and the default Hello and Dead timer settings.
LOS
area (OSPF)
network type (OSPF)
pulse code modulation
16. A Cisco IOS queuing tool that uses MQC configuration commands - reserves a minimum bandwidth for some queues - provides high-priority scheduling for some queues - and polices those queues to prevent starvation of lower-priority queues during interfac
Time Interval (Tc)
low-latency queuing
backbone area (OSPF)
software queue
17. The process of combining multiple synchronized input signals over a single medium by giving each signal its own time slot - and then breaking out those signals.
time-division multiplexing
internal BGP
802.11a
CDP Control Protocol
18. 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+
Distance Vector Multicast Routing Protocol
peak information rate
Forward Explicit Congestion Notification
19. As defined in RFC 3623 - graceful restart allows for uninterrupted forwarding in the event that an OSPF router's OSPF routing process must restart. The router does this by first notifying the neighbor routers that the restart is about to occur; the n
IP forwarding
Maxage timer (STP)
graceful restart (OSPF)
sequence number (WFQ)
20. An enhanced version of WEP that is part of the 802.11i standard and has an automatic key-update mechanism that makes it much more secure than WEP. TKIP is not as strong as AES in terms of data protection.
U/L bit
LSA
Temporal Key Integrity Protocol
Dijkstra Algorithm
21. In shaping and policing - the definition of parameters that together imply the allowed rate and bursts.
successor route
WCCP cluster
traffic contract
quartet
22. 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
Inform
infrastructure mode
Router Advertisement
default route
23. With RIP - the regular interval at which updates are sent. Each interface uses an independent timer - defaulting to 30 seconds.
Hello (OSPF)
DS3
Update timer (RIP)
process switching
24. A term used with WFQ for the number assigned to a packet as it is enqueued into a WFQ queue. WFQ schedules the currently lowest FT packet next.
auto-negotiation
finish time
source-specific addresses
strict priority
25. Permanent virtual circuit.
PVC
half duplex
expedite queue
E1 route (OSPF)
26. An EIGRP router's reaction to an input event - leading to the use of a feasible successor or going active on a route.
confederation identifier
local computation
multicast IP address structure
VRF Lite
27. A router that should not be used to forward packets between other routers. Other routers will not send Query messages to a stub router.
stub router (EIGRP)
PVC
Dual FIFO
CST
28. Time to Live.
Neighbor Advertisement
TTL
VTP pruning
Maximum Segment Size
29. 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
NO_ADVERT
egress PE
querier election
LFI
30. Class-Based Marking.
Data Carrier Detect
Data-link connection identifier
RMON event
CB Marking
31. The Cisco IOS Router IP Traffic Export feature - intended for intrusion detection - exports IP traffic that has signs of an attack - such as duplicate IP packets simultaneously received on two or more of a router's interfaces.
adjacent-layer interaction
Multicast Open Shortest Path First
expedite queue
RITE
32. Jargon used to refer to the second of two buckets in the dual token bucket model; its size is Be.
Be bucket
MLD
Loss of Frame
SPF algorithm
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.
ESF
weighted random early detection
Multiple Spanning Trees
Hot Standby Router Protocol
34. A component of the IOS IP SLA feature. An IP SLA responder is a router configured to respond to a particular IP SLA message initiated by another router - allowing the routers to work together to provide performance information including UDP jitter an
trunking
RSPAN
IP forwarding
IP SLA responder
35. A designated router that is directly connected with a source of the multicast group.
CWND
low-latency queuing
Dynamic Trunking Protocol
source DR
36. A single instance of STP that is applied to multiple VLANs - typically when using the 802.1Q trunking standard.
network allocation vector
Common Spanning Tree
loopback circuitry
stateless autoconfiguration
37. An STP timer that dictates how long a switch should wait when it ceases to hear Hellos.
GRE
Maxage timer (STP)
Loop Guard
STP
38. Enhances RP redundancy by providing a method for RPs to exchange multicast source information - even between multicast domains.
request-to-send/clear-to-send
NTP
Multicast Source Discovery Protocol (MSDP)
TCP header compression
39. Link-State Refresh. A timer that determines how often the originating router should reflood an LSA - even if no changes have occurred to the LSA.
LSRefresh
OTP
shaped round-robin
Time Interval (Tc)
40. Multicast Open Shortest Path First.
feasible successor
EAPoL
MOSPF
CHAP
41. A switch feature that examines incoming frames - comparing the source IP and MAC addresses to the DHCP snooping binding database - filtering frames whose addresses are not listed in the database for the incoming interface.
Link Aggregation Control Protocol
RA
IP Source Guard
MST
42. CDP Control Protocol.
CDPCP
RID
encoding
Digital Signal Level 3
43. A term referring to EIGRP's internal processing logic.
transient multicast group
mark probability denominator
regular expression
Diffusing Update Algorithm
44. The process of changing the electrical characteristics on a transmission medium - based on defined rules - to represent data.
encoding
EAP
same-layer interaction
quartet
45. Dynamic ARP Inspection.
DAI
Multicast Listener Discovery
private VLAN
802.11a
46. A router that is allowed to receive a packet from an OSPF router and then forward the packet to another OSPF router.
transit router (OSPF)
AS_SET
MIB
CBWFQ
47. Data communications equipment.
MPD
Reverse ARP
CS
DCE
48. The multicast addresses assigned by IANA.
isolated VLAN
permanent multicast group
policy routing
Source-Specific Multicast (SSM)
49. A Cisco IOS queuing tool most notable for its scheduler - which always services the high-priority queue over all other queues.
HSRP
priority queuing
regular expression
HDB3
50. 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.
IP Control Protocol
FRF.5
MULTI_EXIT_DISC (MED)
NLRI