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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. Peak information rate.
Link Aggregation Control Protocol
NetFlow aggregator
administratively scoped addresses
PIR
2. Jargon referring to a policer action through which - instead of discarding an out-of-contract packet - the policer marks a different IPP or DSCP value - allowing the packet to continue on its way - but making the packet more likely to be discarded la
marking down
Tc
UDLD
Flush timer
3. A possible side effect of a scheduler that performs strict-priority scheduling of a queue - which can result in lower-priority queues getting little or no service.
Cell Loss Priority
queue starvation
LDP
route reflector server
4. A term used with Cisco LAN switches - referring to a DSCP value used when making QoS decisions about a frame. This value may not be the actual DSCP value in the IP header encapsulated inside the frame.
same-layer interaction
LLQ
OFDM
internal DSCP
5. Digital Signal Level 0.
MLP
storm control
DS0
AS_PATH prepending
6. 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.
Fast Secure Roaming
link-state database
DLCI
DUAL
7. 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.
anycast
T3
Dynamic ARP Inspection
Link Access Procedure for Frame-Mode Bearer Services
8. An MPLS VPN term referring to any LSR that connects to customers to support the forwarding of unlabeled packets - as well as connecting to the MPLS network to support labeled packets - thereby making the LSR be on the edge between the provider and th
MIB-II
provider edge
weighted random early detection
mark probability denominator
9. An STP timer that dictates the interval at which the Root switch generates and sends Hello BPDUs.
fraggle attack
AS number
LSP
Hello timer
10. An MPLS VPN term referring to an LSR that has no direct customer connections - meaning that the P router does not need any visibility into the VPN customer's IP address space.
RTS/CTS
provider router
DSL
virtual IP address
11. A logical concept that represents the path over which frames travel between DTEs. VCs are particularly useful when comparing Frame Relay to leased physical circuits.
upstream router
virtual circuit
inner label
BGP Update
12. Software-based collection and reporting tool for data reported by NetFlow.
IGMPv1 Host Membership Report
maximum transmission unit
NetFlow aggregator
data terminal equipment
13. Aka network layer reachability information.
IGMPv2 Host Membership Query
NLRI
penultimate hop popping (PHP)
disabled state
14. A message sent by a multicast router - by default every 125 seconds - on each of its LAN interfaces to determine whether any host wants to receive multicast traffic for any group.
HSRP
loopback circuitry
path attribute
IGMPv3 Host Membership Query
15. With EIGRP - the route to each destination for which the metric is the lowest of all known routes to that network.
Per-Hop Behavior
Boot Protocol
Clear To Send
successor route
16. In 802.1X - the computer that stores usernames/passwords and verifies that the correct values were submitted before authenticating the user.
finish time
Per-Hop Behavior
DR
authentication server
17. Any other router - sharing a common data link - with which a router exchanges Hellos - and for which the parameters in the Hello pass the parameter-check process.
neighbor (OSPF)
ORIGINATOR_ID
CDPCP
sticky learning
18. A DiffServ PHB - based on DSCP EF (decimal 46) - that provides low-latency queuing behavior as well as policing protection to prevent EF traffic from starving queues for other types of traffic.
CQ
aggregate route
route reflector client
Expedited Forwarding
19. A time value that each wireless station must set based on the duration value found in every 802.11 frame. The time value counts down and must be equal to zero before a station is allowed to access the wireless medium. The result is a collision-avoida
InARP
Neighbor Type
VLAN filtering
network allocation vector
20. A wireless LAN that offers connections to the Internet from public places - such as airports - hotels - and coffee shops.
public wireless LAN
Data Set Ready
IGMPv3 Host Membership Query
VTP pruning
21. 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
Class-Based Weighted Fair Queuing
weighted tail drop
Retransmission Timeout
22. 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.
shared mode
Outside Global address
route reflector non-client
route poisoning
23. An event in which a new packet arrives - needing to be placed into a queue - and the queue is full
LLQ
tail drop
Password Authentication Protocol
Differentiated Services Code Point
24. The multicast IP address 224.0.0.5 - listened for by all OSPF routers.
blocking state
remote label
limiting query scope (EIGRP)
All OSPF Routers
25. Message sent by a PIM-DM router to its upstream router asking to quickly restart forwarding the group traffic; sent using the unicast address of the upstream router.
Graft message
signal-to-noise ratio
CS
PE
26. 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
NA
MD5 hash
granted window
quartet
27. 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.
RMON event
ISL
source-specific addresses
ad hoc mode
28. In BGP - a set of routers inside a single administrative authority - grouped together for the purpose of controlling routing policies for the routes advertised by that group to the Internet.
GLOP addressing
Prune Override
autonomous system
distance vector
29. An intrusion detection system that safeguards the wireless LAN from malicious and unauthorized access.
priority (OSPF)
Layer x PDU
Wireless LAN Threat Defense Solution
window
30. A Cisco 12000 series router feature that combines the key features of LLQ and CQ to provide similar congestion-management features.
access link
sparse-mode protocol
Modified Deficit Round-Robin
weighted round-robin
31. Cisco IOS IP Service Level Agent feature. Provides for router-generated information useful for verifying network performance on a scheduled basis - and the associated reporting functions.
weighted round-robin
pruning
SSID
IP SLA
32. 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
Update timer (RIP)
Network Address Translation
DVMRP
weighted tail drop
33. 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.
Fast Secure Roaming
query scope (EIGRP)
AR access rate.
SRTT
34. An OSPF external route for which internal OSPF cost is not added to the cost of the route as it was redistributed into OSPF.
unicast MAC address
Neighbor Advertisement
E2 route (OSPF)
prefix
35. A bit in the LAPF Frame Relay header that - when set to 1 - implies that the frame has experienced congestion.
MRT
Forward Explicit Congestion Notification
Link Fragmentation and Interleaving
BackboneFast
36. A router feature used when a router sees an ARP request searching for an IP host's MAC - when the router believes the IP host could not be on that LAN because the host is in another subnet. If the router has a route to reach the subnet where the ARP-
proxy ARP
LACP
T1
LxPDU
37. 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.
administrative scoping
payload compression
DTE
Congestion Avoidance
38. A message sent by a host when it wants to leave a group - addressed to the All Multicast Routers address 224.0.0.2.
default route
MRTT
IGMPv2 Leave
Service Interworking
39. A mechanism for conserving battery power in wireless stations. The access point buffers data frames destined to sleeping stations - which wake periodically to learn from information in the beacon frame whether or not data frames are waiting for trans
power-save mode
active scanning
sparse-mode protocol
Bc bucket
40. Inside telcos' original TDM hierarchy - the smallest unit of transmission at 64 kbps.
virtual circuit
BackboneFast
Digital Signal Level 0
RT
41. Three core security functions.
Outside Local address
multicast IP address range
CE
authentication - authorization - and accounting
42. Alternate name for the SPF algorithm - named for its inventor - Edsger W. Dijkstra.
NS
data plane
DSL
Dijkstra Algorithm
43. Multicast addresses that are not assigned by IANA.
transient multicast group
MIB
DS0
Neighbor Solicitation
44. A numeric value between 0 and 32 (inclusive) that defines the number of beginning bits in an IP address for which all IP addresses in the same group have the same value. Alternative: The number of binary 1s beginning a subnet mask - written as a deci
NO_ADVERT
auto-negotiation
configuration register
prefix
45. On a serial cable - the pin lead set by the DTE to tell the DCE that the DTE wants to send data.
DLCI
Ready To Send
weighted fair queuing
multi-action policing
46. Virtual LAN.
VC
VLAN
Database Description
LOCAL_PREF
47. Copper cable with RJ-45 connectors in which the wire at pin 1 on one end is connected to pin 1 on the other end; the wire at pin 2 is connected to pin 2 on the other end; and so on.
WRR
straight-through cable
IP Precedence
generic routing encapsulation
48. An FRF standard for Frame Relay-to-ATM Service Interworking in which both DTEs use Frame Relay - with ATM in between.
Join/Prune message
permanent virtual circuit
FRF.5
Multilink PPP
49. The 802.1X driver that supplies a username/password prompt to the user and sends/receives the EAPoL messages.
Outside Global address
input event
supplicant
DSR
50. A set of four hex digits listed in an IPv6 address. Each quartet is separated by a colon.
generic traffic shaping (GTS)
quartet
DS field
subnet