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Test your basic knowledge |
CCIE Vocab
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Subjects
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certifications
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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 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.
DAI
route map
Multi-VRF CE
virtual circuit
2. In shaping and policing - commonly used to refer to the shaping or policing rate. For WAN services - a common reference to the bit rate defined in the WAN service business contract for each VC.
generic routing encapsulation
committed information rate
SPAN
internal BGP
3. Class-Based Weighted Fair Queuing.
Query (EIGRP)
Fast Secure Roaming
CBWFQ
LSU
4. The first 48 bits of an IPv6 global address - used for efficient route aggregation.
MD5 hash
IP Control Protocol
VRF table
global routing prefix
5. A switch feature that examines incoming frames - comparing the source IP and MAC addresses to the DHCP snooping binding database - filtering frames whose addresses are not listed in the database for the incoming interface.
IP Source Guard
ingress PE
Wi-Fi Protected Access
AS_SET
6. One-time password.
Multilink PPP
route poisoning
network allocation vector
OTP
7. With EIGRP - the metric (distance) of a route as reported by a neighboring router.
backup designated router
mark probability denominator
BSR
reported distance
8. The password required by the enable command. Also - this term may specifically refer to the password defined by the enable password command.
enable password
internal router (OSPF)
enhanced editing
EAP
9. Weighted fair queuing.
full SPF calculation
WFQ
authentication server
TCP flags
10. 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.
totally NSSA area
MLP LFI
rendezvous point
not-so-stubby area
11. A well-known discretionary BGP path attribute that flags a route as being a summary route.
promiscuous port
enable secret
ATOMIC_AGGREGATE
minimum CIR
12. Alternate Mark Inversion. A serial-line encoding standard that sends alternating positive and negative 3-volt signals for binary 1 - and no signal (0 V) for binary 0.
encapsulation replication
AMI
broadcast subnet
Remote VLAN
13. An IPv6 migration strategy in which a host or router supports both IPv4 and IPv6 natively.
route map
BGP
NBAR
dual stack
14. A Cisco IOS feature that provides reporting information to a NetFlow aggregator based on traffic flows.
NetFlow
IGMPv2 Leave
marking down
MIB-II
15. Inside telcos' original TDM hierarchy - a unit that combines multiple DS1s into a single channel
BGP table
MIB-I
Digital Signal Level 3
route reflector
16. Method by which a dense-mode routing protocol distributes multicast traffic from a source to all the segments of a network. Also called shortest-path tree (SPT) - because it uses the shortest routing path from the source to the segments of the networ
Cell Loss Priority
stub network (OSPF)
source-based distribution tree
straight-through cable
17. Management Information Base.
CQ
MIB
EGP
superior BPDU
18. Feasible distance.
FD
shaping rate
LSA
overloading
19. An SPF calculation as a result of changes inside the same area as a router - for which the SPF run must examine the full LSDB.
RMON alarm
overloading
full SPF calculation
SVC
20. Smoothed Round-Trip Time.
VTP pruning
authentication
SRTT
Ack (EIGRP)
21. Single-bit fields in the TCP header. For example - the TCP SYN and ACK code bits are used during connection establishment.
NO_EXPORT_SUBCONFED
data communications equipment
dual token bucket
TCP code bits
22. When a PIM-SM router switches from RPT to SPT - it sends a PIM-SM Prune message for the source and the group with the RP bit set to its upstream router on the shared tree. RFC 2362 uses the notation PIM-SM (S - G) RP-bit Prune for this message.
PIM-SM (S -G) RP-bit Prune
Resource Reservation Protocol (RSVP)
HDB3
encoding
23. The RMON function of sending a notification to an RMON collector or the console. Triggered by an RMON event.
TDM
Data Set Ready
RMON alarm
adjacent (OSPF)
24. Link Access Procedure for Frame-Mode Bearer Services.
LAPF
peer group
LSP segment
MIB
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.
modified tail drop
Hold timer
minimum CIR
native VLAN
26. Per-Hop Behavior.
TCP intercept
default route
PHB
GetNext
27. 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
K value
optional transitive
AGGREGATOR
CEF
28. A Cisco router feature in which the router works to prevent SYN attacks either by monitoring TCP connections flowing through the router - or by actively terminating TCP connection until the TCP connection is established and then knitting the client-s
backbone area (OSPF)
DSR
LSAck
TCP intercept
29. The list of entries learned by the switch DHCP snooping feature. The entries include the MAC address used as the device's DHCP client address - the assigned IP address - the VLAN - and the switch port on which the DHCP assignment messages flowed.
stub area
Layer 2 payload compression
DHCP snooping binding database
variable-length subnet masking
30. A standards-based way of helping routers find Rendezvous Points (RP). RPs notify BSRs of the groups they handle. BSRs in turn flood the group-to-RP mappings throughout the network. Each router individually determines which RP to use for a particular
FRF.8
outer label
Bootstrap Router (BSR)
EAPoL
31. With EIGRP - a timer started when a reliable (to be acknowledged) message is transmitted. For any neighbor(s) failing to respond in its RTO - the RTP protocol causes retransmission. RTO is calculated based on SRTT.
Enhanced Local Management Interface
label binding
Retransmission Timeout
map class
32. A predefined VC. A PVC can be equated to a leased line in concept.
Link Control Protocol
BPV
permanent virtual circuit
service policy
33. The SNMP specifications - standardized in RFCs - defining the rules by which SNMP MIB variables should be defined.
DR election (OSPF)
Structure of Management Information
Neighbor Type
MPD
34. Rapid Spanning Tree Protocol.
High Density Binary 3
man-in-the-middle attack
RSTP
Bipolar Violation
35. A queuing scheduler concept - much like CQ's scheduler - in which queues are given some service in sequence. This term is often used with queuing in Cisco LAN switches.
AMI
weighted round-robin
path attribute
Holddown timer
36. A state variable kept by a router for each known neighbor or potential neighbor.
PCM
service set identifier
adjacent-layer interaction
neighbor state
37. A specification for the 64-bit interface ID in an IPv6 address - composed of the first half of a MAC address - hex FFFE - and the last half of the MAC.
finish time
EUI-64
RTP header compression
IP routing
38. Protocol Independent Multicast dense-mode routing protocol.
Database Description
area (OSPF)
PIM-DM
Protocol Independent Multicast sparse-mode routing protocol
39. Timer An STP timer that dictates how long a port should stay in the listening state and the learning state.
COMMUNITY
Forward Delay
Data Carrier Detect
ISL
40. Link Aggregation Control Protocol.
LACP
NSSA
authentication method
Response (SNMP)
41. Data Set Ready.
DSR
Protocol Independent Multicast sparse-mode routing protocol
half duplex
maximum transmission unit
42. A characteristic of OSPF interfaces that determines whether a DR election is attempted - whether or not neighbors must be statically configured - and the default Hello and Dead timer settings.
network type (OSPF)
frequency hopping spread spectrum
NCP
distribution list
43. An optimized Layer 3 forwarding path through a router or switch. CEF optimizes routing table lookup by creating a special - easily searched tree structure based on the contents of the IP routing table. The forwarding information is called the Forward
IPCP
triggered updates
SVC
Cisco Express Forwarding
44. Customer edge.
CE
Inter-Switch Link
ATOMIC_AGGREGATE
IGMPv1 Host Membership Report
45. A BGP path attribute that lists ASNs through which the route has been advertised. The AS_PATH includes four types of segments: AS_SEQ - AS_SET - AS_CONFED_SEQ - and AS_CONFED_SET. Often - this term is used synonymously with AS_SEQ
DSL
enhanced editing
AS_PATH
passive scanning
46. Aka receiver's advertised window.
weighted tail drop
advertised window
LSRefresh
transmit power
47. In MPLS VPNs - a 64-bit Extended Community path attribute attached to a BGP route for the purpose of controlling into which VRFs the route is added.
WPA
Label Forwarding Information Base
Route Target
Neighbor Solicitation
48. Defined in RFCs 1517-1520 - a scheme to help reduce Internet routing table sizes by administratively allocating large blocks of consecutive classful IP network numbers to ISPs for use in different global geographies. CIDR results in large blocks of n
advertised window
switched interface
IOS Intrusion Prevention System (IPS)
classless interdomain routing
49. Burst With shaping and policing - the number of additional bits that may be sent after a period of relative inactivity.
Excess
Inform
Lead Content Engine
WLSE
50. Another term for Port Address Translation. See PAT.
overloading
direct sequence spread spectrum
orthogonal frequency division multiplexing
policy routing
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