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CCIE Vocab
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ccie
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it-skills
Instructions:
Answer 50 questions in 15 minutes.
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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. An IPv6 address format used for publicly registered IPv6 addresses.
enhanced editing
aggregatable global unicast address
LCP
WLSE
2. The Frame Relay protocol used between a DCE and DTE to manage the connection. Signaling messages for SVCs - PVC Status messages - and keepalives are all LMI messages.
Digital Signal Level 3
sticky learning
weighted tail drop
Local Management Interface
3. Distance Vector Multicast Routing Protocol.
WTD
superior BPDU
DVMRP
SMI
4. 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.
Reply (EIGRP)
maximum threshold
adaptive shaping
Boot Protocol
5. A type of OSPF packet used to exchange and acknowledge LSA headers. Sometimes called DBD.
Database Description
fraggle attack
straight-through cable
signal-to-noise ratio
6. On a serial cable - the pin lead set by the DCE to imply a working link.
Data Carrier Detect
PAgP
Wireless LAN Threat Defense Solution
PIM Hello message
7. The original MPLS protocol used to advertise the binding (mapping) information about each particular IP prefix and associated label. It is slightly different from LDP - but functionally equivalent. See also LDP.
remote label
Tag Distribution Protocol
loopback circuitry
fraggle attack
8. A switch feature that limits the number of allowed MAC addresses on a port - with optional limits based on the actual values of the MAC addresses.
Dynamic Host Configuration Protocol
port security
EAP over LAN
LOS
9. Source-specific multicast.
SSM
sparse-mode protocol
shaped mode
WPA
10. A VC that is set up dynamically when needed. An SVC can be equated to a dial-on-demand connection in concept.
private VLAN
MOSPF
dual stack
switched virtual circuit
11. An OSPF timer that determines how long an LSA can remain in the LSDB without having heard a reflooded copy of the LSA.
Bipolar 8 Zero Substitution
granted window
OTP
MaxAge (OSPF)
12. 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).
generic routing encapsulation
RA
VTP pruning
well-known mandatory
13. Another term for summary route.
Classless IP Addressing
aggregate route
half duplex
weighted round-robin
14. Cisco-proprietary STP feature in which an access layer switch is configured to be unlikely to become Root or to become a transit switch. Also - convergence upon the loss of the switch's Root Port takes place in a few seconds.
provider router
VoFR
MOSPF
UplinkFast
15. Cisco-proprietary STP feature in which a switch port monitors for STP BPDUs of any kind - err-disabling the port upon receipt of any BPDU.
neighbor (OSPF)
BPDU Guard
route reflector
unicast MAC address
16. A component that interfaces with a phone using IP and provides connections to the Public Switched Telephone Network (PSTN).
customer edge
community VLAN
2Way (OSPF)
IP PBX
17. Data communications equipment.
DCE
quartet
U/L bit
WRED
18. In IP routing - a term referring to the process of forwarding packets through a router.
data plane
Multiple Spanning Trees
DTR
triggered updates
19. A term used with Cisco LAN switches - referring to a queue treated with strict-priority scheduling.
PIM Hello message
expedite queue
LxPDU
SN
20. When a wireless station connects to an access point - the access point assigns an association ID (AID) to the station. Various protocols - such as power-save mode - make use of the association ID.
Neighbor Discovery Protocol
RMON event
association ID
Retransmission Timeout
21. 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.
U/L bit
External BGP
VTP pruning
IGMPv2 Leave
22. The command used to initialize a SPAN or RSPAN session on a Catalyst switch.
monitor session
ATOMIC_AGGREGATE
Multiple Spanning Trees
LDP
23. An early standard from AT&T for encoding analog voice as a digital signal for transmission over a TDM network. PCM requires 64 kbps - and is the basis for the DS0 speed.
External BGP
native VLAN
pulse code modulation
WRR
24. An early T1 framing standard.
Boot Protocol
ACS
Superframe
BackboneFast
25. The one VLAN on an 802.1Q trunk for which the endpoints do not add the 4-byte 802.1Q tag when transmitting frames in that VLAN.
encoding
Hello timer
native VLAN
2Way (OSPF)
26. Copper cable with RJ-45 connectors in which a twisted pair at pins 1 -2 on the first end of the cable is connected to pins 3 -6 on the other end - with a second pair connected to pins 3 -6 on the first end and pins 1 -2 on the other end.
cross-over cable
SPAN
TCP SYN flood
Hold timer
27. One-time password.
AS_PATH length
OTP
MPLS unicast
Data-link connection identifier
28. Variable-length subnet masking.
VLSM
802.11n
anycast
CSMA/CD
29. Multiple Spanning Trees.
MST
DVMRP
Ack (EIGRP)
mark probability denominator
30. The multicast addresses assigned by IANA.
permanent multicast group
joining a group
route reflector client
Virtual Router Redundancy Protocol
31. Reduces the bandwidth necessary for radio management information - such as access point status messages - that is sent across the network by eliminating redundant management information.
radio management aggregation
MIB
MPLS Experimental (EXP)
Address Resolution Protocol
32. 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.
802.1Q-in-Q
IGMPv3 Host Membership Query
PHB
fragmentation
33. 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.
passive mode FTP
neighbor (EIGRP)
authenticator
NLPID
34. 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
Graft Ack message
MD5 hash
Assert message
Link Access Procedure for Frame-Mode Bearer Services
35. A type of OSPF NSSA area for which neither external (type 5) LSAs are introduced - nor type 3 summary LSAs; instead - the ABRs originate and inject default routes into the area. External routes can be injected into a totally NSSA area.
well-known mandatory
totally NSSA area
default route
weighted tail drop
36. A type of logic for how a router uses a default route. When a default route exists - and no more specific match is made between the destination of the packet and the routing table - the default route is used.
DSSS
no drop
classless routing
Cell Loss Priority
37. A Cisco IOS queuing tool most notable for its reservation of a minimum bandwidth for each queue.
FRF
Reliable Transport Protocol
custom queuing
Forward Explicit Congestion Notification
38. A table used by CEF that holds information about adjacent IP hosts to which packets can be forwarded.
full SPF calculation
NLPID
adjacency table
not-so-stubby area
39. 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).
stub area
Hold timer
source-specific addresses
Protocol Independent Multicast dense-mode routing protocol
40. Instead of advertising all routes out a particular interface - the routing protocol omits the routes whose outgoing interface field matches the interface out which the update would be sent.
split horizon
Digital Signal Level 1
peer group
provider router
41. The process of successive neighboring routers exchanging LSAs such that all routers have an identical LSDB for each area to which they are attached.
source DR
administrative scoping
LSA flooding
passive scanning
42. An MQC-based feature of IOS that is used to classify and mark packets for QoS purposes.
Class-Based Marking
PPPoE
Bc bucket
data communications equipment
43. Exterior Gateway Protocol.
Multilink PPP
EGP
quartet
network allocation vector
44. Class of Service.
WFQ
CoS
direct sequence spread spectrum
dual token bucket
45. Temporal Key Integrity Protocol.
encapsulation replication
unicast MAC address
TKIP
designated port
46. Dynamic Trunking Protocol.
confederation eBGP peer
learning state
DTP
PIM-SM
47. A T1 alarm state that occurs when the receiver can no longer consistently identify the frame.
permanent virtual circuit
Loss of Frame
IGMP
BPDU Guard
48. 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
Join/Prune message
window
DS3
TTL scoping
49. A set of all devices that receive broadcast frames originating from any device within the set. Devices in the same VLAN are in the same broadcast domain.
strict priority
LSA
LFI
broadcast domain
50. A method of providing dynamically configured spoke-to-spoke VPN connectivity in a hub-and-spoke network that significantly reduces configuration required on the spoke routers compared to traditional IPsec VPN environments.
Dynamic Multipoint VPN
2Way (OSPF)
DS1
HSRP
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