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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 term used with Cisco LAN switches - referring to a queue treated with strict-priority scheduling.
BGP decision process
expedite queue
Classic IOS Firewall
routing black hole
2. A wireless LAN that only includes wireless users and no access points. 802.11 data frames in an ad hoc network travel directly between wireless users.
CQ
ad hoc mode
SMI
VPN label
3. Typically used by protocols that perform flow control (like TCP) - a TCP window is the number of bytes that a sender can send before it must pause and wait for an acknowledgement of some of the yet-unacknowledged data.
adjacent-layer interaction
Database Description
window
Multilayer Switching
4. Time-division multiplexing.
Loop Guard
NLRI
Class of Service
TDM
5. An 802.1w RSTP port state in which the port is not forwarding or receiving; covers 802.1d port states disabled - blocking - and listening.
Class-Based Weighted Fair Queuing
NSSA
discarding state
Data Carrier Detect
6. When a wireless station connects to an access point - the access point assigns an association ID (AID) to the station. Various protocols - such as power-save mode - make use of the association ID.
partial SPF calculation
request-to-send/clear-to-send
subnet
association ID
7. A Frame Relay address used in Frame Relay headers to identify the VC
Data-link connection identifier
backup designated router
router ID
Tc
8. The range 232.0.0.0 through 232.255.255.255 that is allocated by IANA for SSM destination addresses and is reserved for use by source-specific applications and protocols.
source-specific addresses
PCM
CQ
generic traffic shaping (GTS)
9. A type of OSPF packet used to discover neighbors - check for parameter agreement - and monitor the health of another router.
Hello (OSPF)
monitor session
customer edge
Class-Based Marking
10. 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.
ISL
FIB
authenticator
neighbor (EIGRP)
11. Point-to-Point Protocol.
frequency hopping spread spectrum
Lead Content Engine
monitor session
PPP
12. Auto-Rendezvous Point. Cisco-proprietary protocol that can be used to designate an RP and send RP-Announce messages that advertise its IP address and groups. Also - it can be used to designate a mapping agent that interprets what IP address RP is adv
PAP
RT
Auto-RP
E3
13. Reduces the bandwidth necessary for radio management information - such as access point status messages - that is sent across the network by eliminating redundant management information.
FECN
TDP
radio management aggregation
IGMPv3 Host Membership Query
14. 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.
CLP
violate category
Data Set Ready
MDRR
15. 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
active mode FTP
Reliable Transport Protocol
graceful restart (OSPF)
224.0.0.2
16. 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.
Multilink PPP
DROther
penultimate hop popping (PHP)
violate category
17. The Cisco IOS feature by which special short key sequences can be used to move the cursor inside the current command line to more easily change a command.
Virtual Router Redundancy Protocol
not-so-stubby area
enhanced editing
DTP
18. An IEEE standard that - when used with EAP - provides user authentication before their connected switch port allows the device to fully use the LAN.
subnet ID
Query (EIGRP)
IEEE 802.1X
monitor session
19. Dynamic Trunking Protocol.
DTP
Forward Explicit Congestion Notification
Password Authentication Protocol
IP SLA responder
20. Enables a wireless client to securely roam between access points in the same subnet or between subnets with access point handoff times within 50 ms.
Assured Forwarding
MRTT
Measured Round-Trip Time
Fast Secure Roaming
21. Per-Hop Behavior.
Router Advertisement
PHB
exceed
dual token bucket
22. Aka network layer reachability information.
NLRI
DROther
Exterior Gateway Protocol
single-rate - three-color policer
23. Label Forwarding Information Base.
Forward Explicit Congestion Notification
LFIB
LCP
IGMPv3 Host Membership Report
24. A term referring generically to a server that performs many AAA functions. It also refers to the software product Cisco Secure Access Control Server.
active scanning
point coordination function
traffic contract
Access Control Server
25. A technology that enables frequency reuse. Two variants exist: frequency hopping (FHSS) and direct sequence (DSSS). Both techniques spread the signal power over a relatively wide portion of the frequency spectrum over time - to reduce interference be
spread spectrum
inner label
broadcast subnet
Class Selector
26. With EIGRP - the metric value for the lowest-metric route to a particular subnet.
Feasible Distance
Link Control Protocol
AS_PATH prepending
BGP decision process
27. With DiffServ - a DSCP marking and a related set of QoS actions applied to packets that have that marking.
AMI
IP routing
WLSE
Per-Hop Behavior
28. A network/subnet over which two or more OSPF routers have become neighbors - thereby being able to forward packets from one router to another across that network.
CHAP
transit network (OSPF)
DSSS
Update timer (RIP)
29. The All OSPF Routers multicast IP address - listened for by all OSPF routers.
regular expression
inspection rule
Class of Service
224.0.0.5
30. Password Authentication Protocol.
listening state
established
LSA
PAP
31. 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
Link Control Protocol
Source-Specific Multicast (SSM)
sub-AS
32. 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.
transit router (OSPF)
encapsulation
advertised window
hello interval
33. EIGRP (and IGRP) allows for the use of bandwidth - load - delay - MTU - and link reliability; the K values refer to an integer constant that includes these five possible metric components. Only bandwidth and delay are used by default - to minimize re
K value
CBAC
Out of Frame
Label Forwarding Information Base
34. Flush timer.
Garbage timer
IP SLA responder
Classic IOS Firewall
UplinkFast
35. Neighbor Discovery Protocol.
triggered updates
SAFE Blueprint
TCP header compression
ND
36. 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.
SSM
T3
Neighbor Discovery Protocol
root port
37. Time Interval.
sequence number (OSPF)
SVC
offset list
Tc
38. Used by WRED to calculate the maximum percentage of packets discarded when the average queue depth falls between the minimum and maximum thresholds.
RXBOOT
mark probability denominator
confederation eBGP peer
WCCP cluster
39. With private VLANs - a secondary VLAN in which the ports can send and receive frames with each other - but not with ports in other secondary VLANS.
community VLAN
multicasting
expedite queue
DCD
40. A process whereby a switch - when making a forwarding decision - uses not only Layer 2 logic but other OSI layer equivalents as well.
RTP header compression
FHSS
Multilayer Switching
Excess
41. An MQC configuration style by which one policy map calls a second policy map. For example - a shaping policy map can call an LLQ policy map to implement LLQ for packets shaped by CB Shaping.
CLUSTER_LIST
Link Access Procedure for Frame-Mode Bearer Services
Control Plane Policing (CoPP)
nested policy maps
42. Per-VLAN Spanning Tree Plus.
QV
HDB3
external route
PVST+
43. A wireless LAN physical layer that operates at up to 11-Mbps data rates using DSSS in the 2.4-GHz band.
WEP
sequence number (WFQ)
802.11b
ISL
44. Network Layer Protocol ID is a field in the RFC 2427 header that is used as a Protocol Type field in order to identify the type of Layer 3 packet encapsulated inside a Frame Relay frame.
NLPID
committed information rate
DSCP-to-threshold map
MQC
45. The characterization of how far EIGRP Query messages flow away from the router that first notices a failed route and goes active for a particular subnet.
classful IP addressing
Reliable Transport Protocol
query scope (EIGRP)
prefix list
46. 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.
private addresses
Holddown timer
CGMP
traffic contract
47. An SPF calculation for which a router does not need to run SPF for any LSAs inside its area - but instead runs a very simple algorithm for changes to LSAs outside its own area.
partial SPF calculation
MRT
shared mode
E1
48. Service set identifier.
generic routing encapsulation
variable-length subnet masking
SSID
IGMPv3 Host Membership Query
49. 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.
PIM-SM
BPDU Guard
weighted round-robin
Classic IOS Firewall
50. 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
hardware queue
sequence number (WFQ)
Time to Live