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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. 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.
stateless autoconfiguration
Update timer (RIP)
Query (EIGRP)
feasible successor
2. A term referring to the process of applying the Message Digest 5 (MD5) algorithm to a string - resulting in another value. The original string cannot be easily computed even when the hash is known - making this process a strong method for storing pas
source-specific addresses
BGP decision process
MD5 hash
AMI
3. A Cisco 12000 series router feature that combines the key features of LLQ and CQ to provide similar congestion-management features.
router ID
IGMPv3 Host Membership Report
Modified Deficit Round-Robin
multicast scoping
4. A type of logic for how a router uses a default route. When a default route exists - and the class A - B - or C network for the destination IP address does not exist in the routing table - the default route is used. If any part of that classful netwo
rendezvous point
classful routing
terminal history
Assured Forwarding
5. 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.
maximum reserved bandwidth
B8ZS
joining a group
enhanced editing
6. A queue created by Cisco IOS as a result of the configuration of a queuing tool.
Tc
outer label
DSSS
software queue
7. VLAN Trunking Protocol.
Auto-RP
GLBP
no drop
VTP
8. Point-to-Point Protocol over Ethernet. A convention often used as the data link protocol over Cable in which Ethernet is used as the data link protocol - but with PPP being encapsulated inside Ethernet. The combination gives the data link features of
PPPoE
advertised window
Feasible Distance
PIM-DM
9. Bootstrap Router.
routed interface
MPLS TTL propagation
BSR
PIM-SM (S -G) RP-bit Prune
10. 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
LSU
VoFR
802.1Q-in-Q
Bipolar Violation
11. In the PIM-SM design - the process by which a source DR - after it starts to receive the group traffic - encapsulates the multicast packets in the unicast packets and sends them to the RP.
source registration
Management Information Base
limiting query scope (EIGRP)
STP
12. The data structure used by OSPF to hold LSAs.
link-state database
Address Resolution Protocol
learning state
data terminal equipment
13. 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.
Dynamic ARP Inspection
RSPAN
neighbor (OSPF)
Network Address Translation-Protocol Translation
14. An 802.11 frame that access points or stations in ad hoc networks send periodically so that wireless stations can discover the presence of a wireless LAN and coordinate use of certain protocols - such as power-save mode.
classless routing
beacon
Class-Based Marking
Enhanced Local Management Interface
15. Class of Service.
encapsulation replication
transit router (OSPF)
CoS
ATOMIC_AGGREGATE
16. The most significant bit in the most significant byte of an Ethernet MAC address - its value implies that the address is a unicast MAC address (binary 0) or not (binary 1).
Network Control Protocol
totally NSSA area
Route Distinguisher
I/G bit
17. A BGP router that forwards iBGP-learned routes to other iBGP routers.
route reflector server
frequency hopping spread spectrum
NA
QoS pre-classification
18. A Cisco-proprietary feature. After a Cisco multicast router receives IGMP Join or Leave messages from hosts - it communicates to the connected Cisco switches - telling them which hosts (based on their unicast MAC addresses) have joined or left each m
shared mode
average queue depth
authentication
Cisco Group Management Protocol
19. A process whereby a switch - when making a forwarding decision - uses not only Layer 2 logic but other OSI layer equivalents as well.
VRRP
LDP
Area Border Router
Multilayer Switching
20. In MPLS VPNs - a 64-bit Extended Community path attribute attached to a BGP route for the purpose of controlling into which VRFs the route is added.
Route Target
broadcast address
static length subnet masking
active (EIGRP)
21. Diffusing Update Algorithm.
Dual FIFO
DUAL
Classic IOS Firewall
adjacent (OSPF)
22. The structure inside telcos' original digital circuit build-out in the mid-1900s - based upon using TDM to combine and disperse smaller DS levels into larger levels - and vice versa.
link-state routing protocol
TDM hierarchy
RMON event
PIM-SM (S -G) RP-bit Prune
23. With EIGRP - the metric (distance) of a route as reported by a neighboring router.
minimum CIR
MPLS unicast
reported distance
Goodbye (EIGRP)
24. VTP process that prevents the flow of broadcasts and unknown unicast Ethernet frames in a VLAN from being sent to switches that have no ports in that VLAN.
VTP pruning
Data Terminal Ready
GLOP addressing
RARP
25. An issue whereby parts of the RF signal take different paths from the source to the destination - which causes direct and reflected signals to reach the receiver at different times - and corresponding bit errors.
multipath
CHAP
Multilayer Switching
NAT-PT
26. Defined in RFC 1631 - a method of translating IP addresses in headers with the goal of allowing multiple hosts to share single public IP addresses - thereby reducing IPv4 public address depletion.
Multi-VRF CE
Network Address Translation
link-local
shaped round-robin
27. Voice over Frame Relay.
VoFR
Neighbor Discovery Protocol
active (EIGRP)
unicast MAC address
28. Penultimate hop popping.
RTS/CTS
MOSPF
PHP
SLSM
29. An OSPF area into which external (type 5) LSAs are not introduced by its ABRs; instead - the ABRs originate and inject default routes into the area.
Superframe
stub area
Inside Local address
local computation
30. Time-division multiplexing.
Web Cache Communication Protocol
Extended Superframe
UniDirectional Link Detection
TDM
31. EAP over LAN.
Network Address Translation-Protocol Translation
Cisco Express Forwarding
EAPoL
NAT
32. The process by which neighboring OSPF routers examine their Hello messages and elect the DR. The decision is based on priority (highest) - or RID (highest) if priority is a tie.
DR election (OSPF)
Yellow Alarm
mark probability denominator
alternate mode
33. The term to describe a router that is neither the DR nor the BDR on a subnet that elects a DR and BDR.
DROther
E3
full update
Data Set Ready
34. A Cisco switch feature that allows separation of ports as if they were in separate VLANs - while allowing the use of a single IP subnet for all ports.
private VLAN
route redistribution
CST
autonomous system
35. Router ID.
Address Resolution Protocol
confederation
transient multicast group
RID
36. 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.
peer group
RP
Multicast Open Shortest Path First
Temporal Key Integrity Protocol
37. A method that creates three thresholds per egress queue in the Cisco 3560 switch. Traffic is divided into the three queues based on CoS value - and given different likelihoods (weight) for tail drop when congestion occurs based on which egress queue
weighted tail drop
EUI-64
Hello (EIGRP)
MaxAge (OSPF)
38. A list of interspersed alphanumeric literals and metacharacters that are used to apply complex matching logic to alphanumeric strings. Often used for matching AS_PATHs in Cisco routers.
Local Management Interface
Internet Group Management Protocol
Neighbor Type
regular expression
39. An NTP client that assumes that a server will send NTP broadcasts - removing the requirement for the client to have the NTP server's IP address preconfigured.
Extended Superframe
BPDU Guard
link-state advertisement
NTP broadcast client
40. A BGP path attribute that implies how the route was originally injected into some router's BGP table.
enhanced editing
ORIGIN
Neighbor Type
Trap (SNMP)
41. Service set identifier.
Goodbye (EIGRP)
Triggered Extensions to RIP for On-Demand Circuits
LSA flooding
SSID
42. A WFQ term referring to its drop logic - which is similar to tail-drop behavior.
modified tail drop
reported distance
AS number
Router Advertisement
43. Designated router.
DR
subnet number
IGMP snooping
Congestion Avoidance
44. The portions of PPP focused on features that are related to specific Layer 3 protocols.
Network Control Protocol
route poisoning
Join/Prune message
User Priority
45. Network Based Application Recognition.
CDP Control Protocol
Multicast Source Discovery Protocol (MSDP)
Reliable Transport Protocol
NBAR
46. In 802.1X - the computer that stores usernames/passwords and verifies that the correct values were submitted before authenticating the user.
authentication server
advertised window
TTL scoping
synchronization
47. A serial-line encoding standard like B8ZS - but with each set of four consecutive 0s being changed to include a Bipolar Violation to maintain synchronization.
High Density Binary 3
WTD
BPV
encapsulation
48. WRED compares this setting to the average queue depth to decide whether packets should be discarded. No packets are discarded if the average queue depth falls below this minimum threshold.
minimum threshold
External BGP
LxPDU
pulse code modulation
49. For some encoding schemes - consecutive signals must use opposite polarity in an effort to reduce DC current. A BPV occurs when consecutive signals are of the same polarity.
802.11n
DR election (OSPF)
IGMPv2 Leave
Bipolar Violation
50. A mapping between each DSCP value and a corresponding CoS value - often used in Cisco LAN switches when performing classification for egress queuing.
ACE
NTP server mode
DSCP-to-CoS map
authenticator