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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. WRED compares this setting to the average queue depth to decide whether packets should be discarded. All packets are discarded if the average queue depth rises above this maximum threshold.
maximum threshold
no drop
broadcast subnet
DSSS
2. An effort to reduce the query scope with EIGRP - using route summarization or EIGRP stub routers.
backup state
Class Selector
GRE
limiting query scope (EIGRP)
3. 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.
VTP
shared distribution tree
MIB-II
LSAck
4. A VC that is set up dynamically when needed. An SVC can be equated to a dial-on-demand connection in concept.
isolated VLAN
IGMPv3 Host Membership Report
switched virtual circuit
transient multicast group
5. Alternate name for the SPF algorithm - named for its inventor - Edsger W. Dijkstra.
RPVST+
Dijkstra Algorithm
P router
Message Digest 5
6. Local Management Interface.
OTP
Modified Deficit Round-Robin
LMI
BOOTP
7. A conceptual model used by shapers and policers to represent their internal logic.
Dijkstra Algorithm
SPF calculation
token bucket
TTL scoping
8. An FRF standard for Frame Relay-to-ATM Service Interworking in which one DTE uses Frame Relay and one uses ATM.
WLSE
route reflector client
FRF.8
CIDR
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.
Frame Relay LFI Using Multilink PPP (MLP)
RF channel
AS_PATH length
input event
10. An OSPF external route for which internal OSPF cost is not added to the cost of the route as it was redistributed into OSPF.
DS field
private AS
Assert message
E2 route (OSPF)
11. The process of taking the payload inside a Layer 2 frame - including the headers of Layer 3 and above - compressing the data - and then uncompressing the data on the receiving router.
AR access rate.
Out of Frame
Layer 2 payload compression
Reliable Transport Protocol
12. 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
network allocation vector
Neighbor Advertisement
RTS/CTS
Border Gateway Protocol
13. In the context of SNMP - the Trap command is sent by an SNMP agent - to a manager - when the agent wants to send unsolicited information to the manager. Trap is not followed by a Response message from the receiving SNMP manager.
Trap (SNMP)
Multicast Open Shortest Path First
Garbage timer
E1 route (OSPF)
14. IP multicast address range from 224.0.0.0 through 239.255.255.255.
BOOTP
Label Switch Router
multicast scoping
multicast IP address range
15. An FRF standard for LFI for data (FRF.3) VCs.
weighted fair queuing
FRF.12
NO_EXPORT_SUBCONFED
Report Suppression mechanism
16. 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.
minimum threshold
AGGREGATOR
802.11g
NLPID
17. 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
Class of Service
FRF.5
congestion window
802.1Q-in-Q
18. 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.
UDLD
NTP broadcast client
ASBR
IP Control Protocol
19. The data structure used by OSPF to hold LSAs.
totally stubby area
link-state database
active mode FTP
LLQ
20. A router that is not an ABR or ASBR in that all of its interfaces connect to only a single OSPF area.
internal router (OSPF)
LSA type (OSPF)
Loop Guard
class map
21. In the context of SNMP - the Response command is sent by an SNMP agent - back to a manager - in response to any of the three types of Get requests - or in response to a Set request. It is also used by a manager in response to a received Inform comman
Route Tag field
Response (SNMP)
CEF
LSP
22. An IOS feature in which multiple routing tables and routing forwarding instances exist in a single router - with interfaces being assigned to one of the several VRFs. This feature allows separating of routing domains inside a single router platform.
Password Authentication Protocol
Multi-VRF CE
Tag Distribution Protocol
auto-negotiation
23. A 48-bit address that is calculated from a Layer 3 multicast address by using 0x0100.5E as the multicast vendor code (OUI) for the first 24 bits - always binary 0 for the 25th bit - and copying the last 23 bits of the Layer 3 multicast address.
straight-through cable
NCP
multicast MAC address
protocol data unit
24. Defines a particular behavior for FTP regarding the establishment of TCP data connections. In passive mode - an FTP server uses the FTP PORT command - over the FTP control connection - to tell the FTP client the port on which the server will be liste
RITE
passive mode FTP
Maximum Segment Size
Source-Specific Multicast (SSM)
25. A Cisco IOS configuration tool for routing protocols by which routing updates may be filtered.
virtual circuit
T1
distribution list
WLSE
26. A BGP path attribute that implies how the route was originally injected into some router's BGP table.
Dead Time/Interval
classless routing
ORIGIN
routed interface
27. Digital Signal Level 3.
DS3
FRF.9
RTO
CB Marking
28. A reserved value for the BGP COMMUNITY path attribute that implies that the route should not be advertised outside the local AS.
fast switching
Class-Based Weighted Fair Queuing
Label Distribution Protocol
NO_EXPORT
29. Burst With shaping and policing - the number of additional bits that may be sent after a period of relative inactivity.
stub area
terminal history
Excess
policy routing
30. An interface on a Cisco IOS-based switch that is treated as if it were an interface on a router.
Link Aggregation Control Protocol
Flush timer
routed interface
RSTP
31. A route that is used for forwarding packets when the packet does not match any more specific routes in the IP routing table.
split horizon
NO_EXPORT_SUBCONFED
default route
Hold timer
32. Access Control Entry. An individual line in an ACL.
confederation eBGP peer
ACE
prefix list
IP forwarding
33. In OSPF - a number assigned to each LSA - ranging from 0x80000001 and wrapping back around to 0x7FFFFFFF - which is used to determine which LSA is most recent.
sequence number (OSPF)
component route
Backward Explicit Congestion Notification
man-in-the-middle attack
34. With private VLANs - a secondary VLAN in which the ports can send and receive frames only with promiscuous ports in the primary VLAN.
isolated VLAN
PCM
broadcast domain
Dual FIFO
35. Any OSPF neighbor for which the database flooding process has completed.
outer label
BOOTP
fully adjacent (OSPF)
virtual IP address
36. Distance Vector Multicast Routing Protocol.
Assert message
SRTT
DR
DVMRP
37. Link-State Update.
SPF calculation
LSU
LSR
Distance Vector Multicast Routing Protocol
38. Refers to how a router views a BGP peer relationship - in which the peer is in the same AS.
dual stack
PAP
internal BGP
Neighbor Advertisement
39. Database Description.
CBWFQ
minimum threshold
DD
root port
40. Inside telcos' original TDM hierarchy - the smallest unit of transmission at 64 kbps.
Congestion Avoidance
minimum threshold
Digital Signal Level 0
supplicant
41. Aka Rapid Per-VLAN Spanning Tree Plus.
DMVPN
promiscuous port
RPVST+
multi-action policing
42. A Cisco-proprietary protocol used to dynamically negotiate whether the devices on an Ethernet segment want to form a trunk and - if so - which type (ISL or 802.1Q).
Red Alarm
Port Address Translation
MRT
Dynamic Trunking Protocol
43. A standard (RFC 903) protocol by which a LAN-attached host can dynamically broadcast a request for a server to assign it an IP address. See also ARP.
Reverse ARP
DSR
E2 route (OSPF)
MPD
44. Out of Frame.
AS_PATH length
OOF
Alternate state
BPV
45. A BGP neighbor state in which the BGP neighbors have stabilized and can exchange routing information using BGP Update messages.
established
HSRP
Maxage timer (STP)
Dual FIFO
46. A multicast routing protocol that forwards the multicast traffic only when requested by a downstream router.
IP SLA responder
neighbor (EIGRP)
sparse-mode protocol
link-state database
47. From a Layer 1 perspective - the process of using special strings of electrical signals over a transmission medium to inform the receiver as to which bits are overhead bits - and which fit into individual subchannels.
LSA type (OSPF)
policy map
framing
UniDirectional Link Detection
48. Data-link connection identifier.
administrative scoping
AS number
DLCI
neighbor state
49. A logical group of content engines running WCCP between them. The lead content engine determines the traffic distribution within the cluster - for optimum performance and scalability.
DTE
link-state advertisement
IP prefix list
WCCP cluster
50. 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.
maximum transmission unit
CWND
DVMRP
poison reverse