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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 wireless LAN physical layer that operates at up to 11-Mbps data rates using DSSS in the 2.4-GHz band.
Per-Hop Behavior
802.11b
Multicast Open Shortest Path First
NTP
2. An IP variable that defines the largest size allowed in an IP packet - including the IP header. IP hosts must support an MTU of at least 576 bytes.
LOF
PE
maximum transmission unit
Point-to-Point Protocol
3. Per-VLAN Spanning Tree Plus.
Measured Round-Trip Time
PVST+
BSR
weight (BGP)
4. EIGRP jargon meaning that EIGRP has placed a route into active status.
Multiple Spanning Trees
going active
authentication
global routing prefix
5. An OSPF router that connects to the backbone area and to one or more non-backbone area.
MULTI_EXIT_DISC (MED)
Gateway Load Balancing Protocol
Service Interworking
Area Border Router
6. Jargon referring to any queue that receives priority service - often used for queues in an LLQ configuration that have the priority command configured.
distance vector
advertised window
Network Address Translation-Protocol Translation
priority queue
7. A dotted-decimal number that represents a subnet. It is the lowest numeric value in the range of IP addresses implied by a subnet number and prefix/mask.
receiver's advertised window
average queue depth
subnet number
map class
8. The term referring to a group of iBGP routers in a confederation - with the group members being assigned a hidden ASN for the purposes of loop avoidance.
sub-AS
802.11a
PQ
Bootstrap Router (BSR)
9. 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.
signal-to-noise ratio
Clear To Send
classful IP addressing
neighbor (OSPF)
10. An IPv6/IPv4 tunneling method that allows isolated IPv6 domains to be connected over an IPv4 network.
VLAN Trunking Protocol
6to4
routing black hole
Inside Global address
11. Modular QoS CLI.
MQC
TCP code bits
RSTP
Layer 2 payload compression
12. 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
querier election
link-state advertisement
T1
13. Burst With shaping and policing - the number of additional bits that may be sent after a period of relative inactivity.
pruning
Excess
Bipolar Violation
TTL scoping
14. A characterization of a BGP path attribute in which all BGP implementations must support and understand the attribute (well known) - and all BGP Updates must include the attribute (mandatory).
well-known mandatory
Multi-VRF CE
weighted random early detection
Join/Prune message
15. Label Forwarding Information Base.
shared mode
LFIB
Route Distinguisher
ACS
16. Sent by a PIM router to its upstream router to either request that the upstream router forward the group traffic or stop forwarding the group traffic that is currently being forwarded. If a PIM router wants to start receiving the group traffic - it l
LZS
VTP
token bucket
Join/Prune message
17. In PIM-SM - the path of the group traffic that flows from the RP to the routers that need the traffic. It is also called the root-path tree (RPT) - because it is rooted at the RP.
Local Management Interface
CLUSTER_LIST
IP Source Guard
shared distribution tree
18. A BGP neighbor state in which the BGP neighbors have stabilized and can exchange routing information using BGP Update messages.
VLAN
Dijkstra Algorithm
ISATAP
established
19. A dotted-decimal number used to help define the structure of an IP address. The binary 0s in the mask identify the host portion of an address - and the binary 1s identify either the combined network and subnet part (when thinking classfully) or the n
trunking
BGP
subnet mask
enhanced editing
20. 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.
authentication - authorization - and accounting
encoding
Congestion Avoidance
network type (OSPF)
21. With RIP - a per-route timer that increases until the router receives a routing update that confirms the route is still valid - upon which the timer is reset to 0. If the updates cease - the Invalid timer will grow - until reaching the timer setting
Invalid timer
SF
LLQ
AES
22. The content engine in a WCCP cluster - which determines how traffic will be distributed within the cluster.
Maximum Segment Size
Lead Content Engine
DiffServ
shaped mode
23. A term relating to Cisco LAN switch tail-drop logic - in which multiple tail-drop thresholds may be assigned based on CoS or DSCP - resulting in some frames being discarded more aggressively than others.
confederation
differentiated tail drop
HDB3
Link-State Acknowledgment
24. Data Carrier Detect.
Layer x PDU
DLCI
DCD
Inform
25. Virtual Router Redundancy Protocol.
well-known discretionary
MLS
D4 framing
VRRP
26. A Cisco IOS configuration tool for routing protocols by which routing updates may be filtered.
service set identifier
granted window
active mode FTP
distribution list
27. A subset of a classful IP network - as defined by a subnet mask - which used to address IP hosts on the same Layer 2 network in much the same way as a classful network is used.
subnet
going active
DMVPN
CE
28. A generic term that refers to the data structure used by a layer in a layered network architecture when sending data.
LMI
LLQ
RMON alarm
protocol data unit
29. The process of forwarding packets through a router. Also called IP forwarding.
confederation identifier
IP routing
LSA
transit network (OSPF)
30. The actual number of packets in a queue at a particular time.
actual queue depth
SN
Slow Start
FRF.5
31. PIM-SM is a method of routing multicast packets that requires some intelligence in the network about the locations of receivers so that multicast traffic is not flooded into areas with no receivers. PIM Sparse Mode gets its name from the assumption t
receiver's advertised window
cross-over cable
OTP
Protocol Independent Multicast sparse-mode routing protocol
32. A set of QoS RFCs that redefines the IP header's ToS byte - and suggests specific settings of the DSCP field and the implied QoS actions based on those settings.
Type of Service byte
Differentiated Services
MOSPF
Boot Protocol
33. A type of routing protocol convergence event in which the metric for a route increases slightly over time because of the advertisement of an invalid route.
MRTT
Gateway Load Balancing Protocol
counting to infinity
T3
34. Rendezvous point.
Garbage timer
input event
going active
RP
35. An Internet standard serial data-link protocol - used on synchronous and asynchronous links - that provides data-link framing - link negotiation - Layer 3 interface features - and other functions.
Point-to-Point Protocol
LLQ
route map
Network Address Translation
36. Bootstrap Router.
SNMP agent
point coordination function
Database Description
BSR
37. 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.
VRF table
network layer reachability information
source registration
classful IP addressing
38. A single label and link that is part of a complete LDP. See also label switched path.
time-division multiplexing
Message Digest 5
LSP segment
AES
39. Used by WRED to calculate the maximum percentage of packets discarded when the average queue depth falls between the minimum and maximum thresholds.
TDP
mark probability denominator
Label Distribution Protocol
Alternate state
40. In two-rate policing - the second and higher rate defined to the policer.
Bootstrap Router (BSR)
E2 route (OSPF)
MQC
peak information rate
41. Sent by a PIM-DM or PIM-SM router when it receives a multicast packet for a group on a LAN interface that is in the outgoing interface list for the group; includes the administrative distance of the unicast routing protocol used to learn the network
multicasting
prefix
Border Gateway Protocol
Assert message
42. Virtual LAN.
VLAN
Access Control Entry
AS_PATH
MIB walk
43. In the context of SNMP - the Inform command is sent by an SNMP manager to communicate a set of variables - and their values - to another SNMP manager. The main purpose is to allow multiple managers to exchange MIB information - and work together - wi
sparse-mode protocol
Inform
IP forwarding
Expedited Forwarding
44. 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.
AS_PATH length
Modified Deficit Round-Robin
Route Target
LSDB
45. The feature in a Cisco IOS device by which a terminal session's previously typed commands are remembered - allowing the user to recall the old commands to the command line through a simple key sequence (for example - the up-arrow key).
sequence number (WFQ)
NTP server mode
terminal history
joining a group
46. On a serial cable - the pin lead set by the DTE to tell the DCE that the DTE wants to send data.
Exterior Gateway Protocol
LSR
PIM Hello message
Ready To Send
47. A NAT term describing an IP address representing a host that resides outside the enterprise network - with the address being used in packets inside the enterprise network.
BPV
Outside Local address
TKIP
enhanced editing
48. 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.
fraggle attack
multicasting
Fast Secure Roaming
IP prefix list
49. A BGP peer connection between two routers inside the same ASN - but in different confederation sub-autonomous systems.
NLRI
CB Marking
confederation eBGP peer
inspection rule
50. The algorithm used by OSPF and IS-IS to compute routes based on the LSDB.
SPF algorithm
peak information rate
MQC
internal BGP