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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 type of OSPF packet - used to communicate LSAs to another router.
LSP
variable-length subnet masking
flash updates
Link-State Update
2. 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.
RA
Type of Service byte
quartet
shared mode
3. Multilayer Switching.
radio management aggregation
RPF check
MLS
Route Target
4. The portion of PPP focused on supporting the CDP protocol.
Link-State Acknowledgment
Modified Deficit Round-Robin
sub-AS
CDP Control Protocol
5. A method of collecting traffic received on a switch port or a VLAN and sending it to specific destination ports on a switch other than the one on which it was received.
NLRI
RSPAN
AS_PATH length
Inverse ARP
6. The second most significant bit in the most significant byte of an Ethernet MAC address - a value of binary 0 implies that the address is a Universally Administered Address (UAA) (also known as Burned-In Address [BIA]) - and a value of binary 1 impli
Differentiated Services Code Point
U/L bit
Link Fragmentation and Interleaving
RITE
7. Advanced Encryption Standard A superior encryption mechanism that is part of the 802.11i standard and has much stronger security than TKIP.
transient multicast group
ND
AES
finish time
8. A reserved value for the BGP COMMUNITY path attribute that implies that the route should not be advertised outside the local AS.
local computation
PQ
NO_EXPORT
partial SPF calculation
9. 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
FRF.8
Response (SNMP)
VRRP
10. With RIP - the regular interval at which updates are sent. Each interface uses an independent timer - defaulting to 30 seconds.
beacon
Digital Signal Level 3
Update timer (RIP)
Rapid Spanning Tree Protocol
11. An FRF standard for LFI for VoFR (FRF.11) VCs - in which all voice frames are interleaved in front of data frames' fragments.
FRF.11-c
CBWFQ
LOF
component route
12. A calculated TCP variable - used along with the TCP CWND variable - to dictate a TCP sender's behavior when it recognizes packet loss. As CWND grows after packet loss - the TCP sender increases CWND based on Slow Start rules - until CWND grows to be
LOCAL_PREF
CLP
weighted tail drop
Slow Start Threshold
13. Calculated measurement based on the actual queue depth and the previous average. Designed to allow WRED to adjust slowly to rapid changes of the actual queue depth.
WCCP cluster
average queue depth
map class
transmit power
14. Network Address Translation-Protocol Translation.
link-state database
SSH
NAT-PT
DTE
15. A 64-bit extension to the BGP NLRI field - used by MPLS for the purpose of making MPLS VPN customer routes unique in spite of the possibility of overlapping IPv4 address spaces in different customer networks.
DLCI
Route Distinguisher
AMI
local computation
16. A BGP ASN whose value is between 64 -512 and 65 -535. These values are not assigned for use on the Internet - and can be used for private purposes - typically either within confederations or by ISPs to hide the ASN used by some customers.
OFDM
SSThresh
maximum reserved bandwidth
private AS
17. The mandatory contention-based 802.11 access protocol that is also referred to as CSMA/CA.
exponential weighting constant
metric
distributed coordination function
LCP
18. A Cisco-proprietary messaging protocol used to negotiate the dynamic creation of PortChannels (EtherChannels) and to choose which ports can be placed into an EtherChannel.
CLP
Inside Global address
Port Aggregation Protocol
blocking state
19. A Cisco-proprietary feature by which multiple routers can provide interface IP address redundancy - as well as cause a set of clients to load-balance their traffic across multiple routers inside the GLBP group.
Gateway Load Balancing Protocol
MTU
NTP broadcast client
ForeSight
20. A method of applying a mathematical formula - with input including a private key - the message contents - and sometimes a shared text string - with the resulting digest being included with the message. The sender and the receiver perform the same mat
data plane
Link Fragmentation and Interleaving
Message Digest 5
PHP
21. PIM-DM is a method of routing multicast packets that depends on a flood-and-prune approach. PIM Dense Mode gets its name from the assumption that there are many receivers of a particular multicast group - close together (from a network perspective).
confederation identifier
SMI
peer group
Protocol Independent Multicast dense-mode routing protocol
22. 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.
ISL
interface ID
stub area
PHB
23. A term referring to EIGRP's internal processing logic.
Diffusing Update Algorithm
Boot Protocol
BPDU Guard
Protocol Independent Multicast sparse-mode routing protocol
24. Timer An STP timer that dictates how long a port should stay in the listening state and the learning state.
Forward Delay
administrative weight
DVMRP
Backward Explicit Congestion Notification
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.
SMI
QV
multipath
Backward Explicit Congestion Notification
26. Weighted round-robin.
Database Description
DS1
WRR
B8ZS
27. 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.
stub network (OSPF)
MDRR
queue starvation
DS field
28. Cisco-proprietary VLAN trunking protocol.
RTS
Gateway Load Balancing Protocol
Inter-Switch Link
sequence number (WFQ)
29. Burst With shaping and policing - the number of additional bits that may be sent after a period of relative inactivity.
Excess
outer label
multicast IP address structure
Loop Guard
30. Loss of Signal. A T1 alarm state that occurs when the receiver has not received any pulses of either polarity for a defined time period.
spread spectrum
multicast IP address range
LOS
EAP over LAN
31. 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.
hardware queue
AMI
autonomous system
WCCP cluster
32. An EIGRP message that is used by a router to notify its neighbors when the router is gracefully shutting down.
signal-to-noise ratio
NBAR
Goodbye (EIGRP)
Multicast Source Discovery Protocol (MSDP)
33. Multicast Open Shortest Path First.
generic traffic shaping (GTS)
MOSPF
Wi-Fi Protected Access
boot field
34. Cisco-proprietary STP feature in which a switch port monitors for incoming superior Hellos - and reacts to a superior Hello to prevent any switch connected to that port from becoming root.
DROther
CEF
Root Guard
remote label
35. IP multicast address range from 224.0.0.0 through 239.255.255.255.
multicast IP address range
Class of Service
RITE
RT
36. Another term for summary route.
aggregate route
CGMP
egress PE
DAI
37. Receiver's advertised window.
confederation ASN
Service Interworking
granted window
fragmentation
38. A protection against problems caused by unidirectional links between two switches. Uses messaging between switches to detect the loop - err-disabling the port when the link is unidirectional.
neighbor state
terminal history
WRED
UniDirectional Link Detection
39. Spanning Tree Protocol.
Bc
STP
Neighbor Advertisement
prefix
40. Per-VLAN Spanning Tree Plus.
PVST+
passive scanning
SRR
advertised window
41. A generic term that refers to the data structure used by a layer in a layered network architecture when sending data.
source registration
protocol data unit
Dual FIFO
SVC
42. A characterization of a BGP path attribute in which BGP implementations are not required to support the attribute (optional) - and for which if a router receives a route with such an attribute - the router should forward the attribute unchanged (tran
optional transitive
egress PE
stub router (OSPF)
storm control
43. Link Control Protocol.
Voice over Frame Relay
LCP
PPP
Graft message
44. EAP over LAN.
EAPoL
window
AutoQos
multicast
45. An EIGRP message that is used by neighbors to reply to a query. Reply messages require an Ack.
priority queue
LACP
subnet
Reply (EIGRP)
46. The 32-bit number used to represent an OSPF router.
router ID
Data Set Ready
Excess
FEC
47. 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.
LSRefresh
boot field
label binding
nested policy maps
48. When subnetting a class A - B - or C address - the subnet for which all subnet bits are binary 0.
subnet zero
IP prefix list
finish time
WCCP
49. Message Digest 5.
MRT
MD5
CDP Control Protocol
weighted fair queuing
50. Maximum Response Time.
window
Alternate Mark Inversion
Digital Signal Level 3
MRT