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CCIE Vocab
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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. With RIP - a per-route timer (default 180 seconds) that begins when a route's metric changes to a larger value.
Holddown timer
SPF algorithm
Data-link connection identifier
weighted round-robin
2. Defined in IEEE 802.1AD - defines a messaging protocol used to negotiate the dynamic creation of PortChannels (EtherChannels) and to choose which ports can be placed into an EtherChannel.
Route Tag field
Link Aggregation Control Protocol
interface ID
BPDU Guard
3. Extended Superframe.
ESF
WCCP cluster
Per-Hop Behavior
NAT-PT
4. From one perspective - DTE devices are one of two devices on either end of a communications circuit - specifically the device with less control over the communications. In Frame Relay - routers connected to a Frame Relay access link are DTE devices.
PIM-SM (S -G) RP-bit Prune
gateway of last resort
Time Interval (Tc)
data terminal equipment
5. The single port on each nonroot switch upon which the best Hello BPDU is received.
private VLAN
Neighbor Advertisement
PVC
root port
6. Defined in IEEE 802.1s - a specification for multiple STP instances when using 802.1Q trunks
Multiple Spanning Trees
Local Management Interface
ad hoc mode
RTS
7. The most recent standardized set of generic SNMP MIB variables - defined in RFC 1213 and updated in RFCs 2011 through 2013.
policy routing
AF
MIB-II
Superframe
8. Inside telcos' original TDM hierarchy - a unit that combines multiple DS0s into a single channel
backbone area (OSPF)
Digital Signal Level 1
Response (SNMP)
Network Address Translation
9. A name used for DS1 lines inside the North American TDM hierarchy.
quartet
T1
adjacent-layer interaction
802.11a
10. 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.
Differentiated Services
adjacent-layer interaction
Get (SNMP)
weighted random early detection
11. A process used in routers that are encrypting traffic to permit egress QoS actions to be taken on traffic that is being encrypted on that router. QoS pre-classification keeps a copy of each packet to be encrypted in memory long enough to take the app
QoS pre-classification
Reliable Transport Protocol
SPAN
input event
12. 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.
Outside Local address
AS number
route reflector
distribution list
13. Secure Copy Protocol - one of the many ways of transferring files to and from Cisco IOS routers and switches.
Retransmission Timeout
SCP
Forwarding Equivalence Class
STP
14. A Cisco IOS queuing tool that uses MQC configuration commands - reserves a minimum bandwidth for some queues - provides high-priority scheduling for some queues - and polices those queues to prevent starvation of lower-priority queues during interfac
autonomous system
low-latency queuing
Exterior Gateway Protocol
NBAR
15. Wi-Fi Protected Access. A security standard that includes both TKIP and AES and was ratified by the Wi-Fi Alliance.
WPA
RPF check
Wireless LAN Threat Defense Solution
autonomous system
16. In switch port security - the process whereby the switch dynamically learns the MAC address(es) of the device(s) connected to a switch port - and then adds those addresses to the running configuration as allowed MAC addresses for port security.
DMVPN
enable secret
isolated VLAN
sticky learning
17. An FRF standard for LFI for data (FRF.3) VCs.
FRF.12
PHB
LxPDU
strict priority
18. Boot Protocol. A standard (RFC 951) protocol by which a LAN-attached host can dynamically broadcast a request for a server to assign it an IP address - along with other configuration settings - including a subnet mask and default gateway IP address.
BOOTP
IP forwarding
NetFlow aggregator
Ready To Send
19. A router that is allowed to receive a packet from an OSPF router and then forward the packet to another OSPF router.
learning state
NLPID
transit router (OSPF)
Dual FIFO
20. 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.
beacon
classless routing
NTP client mode
multicast scoping
21. Link-State Refresh. A timer that determines how often the originating router should reflood an LSA - even if no changes have occurred to the LSA.
TTL
LSRefresh
CST
distributed coordination function
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.
route reflector server
stub area
Management Information Base
blocking state
23. An Internet standard authentication protocol that uses secure hashes and a three-way handshake to perform authentication over a PPP link.
confederation ASN
Challenge Handshake Authentication Protocol
IGMPv2 Group-Specific Query
Common Spanning Tree
24. Removing unwanted VLANs from a Layer 2 path.
Gateway Load Balancing Protocol
Network Address Translation-Protocol Translation
IOS Intrusion Prevention System (IPS)
VLAN filtering
25. In BGP - a feature in which BGP routes cannot be considered to be a best route to reach an NLRI unless that same prefix exists in the router's IP routing table as learned via some IGP.
synchronization
ACS
WTD
SRTT
26. Used by WRED to calculate the rate at which the average queue depth changes as compared with the current queue depth. The larger the number - the slower the change in the average queue depth.
link-state advertisement
CHAP
passive (EIGRP)
exponential weighting constant
27. An 802.1w RSTP port state in which the port is not the Root Port but is available to become the root port if the current root port goes down.
Alternate state
LSP
NTP broadcast client
SN
28. Version 6 of the IP protocol - which uses 128-bit IP addresses.
IPv6
Tag Distribution Protocol
inspection rule
DSR
29. Any OSPF neighbor for which the database flooding process has completed.
IP SLA responder
Invalid timer
fully adjacent (OSPF)
committed information rate
30. The process of forwarding packets through a router. Also call IP routing.
full drop
route poisoning
collision domain
IP forwarding
31. Cell Loss Priority.
multicast IP address structure
unicast MAC address
Virtual Router Redundancy Protocol
CLP
32. A message sent by each host - either in response to a router query or on its own - to all multicast groups for which it would like to receive multicast traffic. The destination address on the Report is 224.0.0.22 - and a host can specify the source a
Excess
multicast state information
IGMPv3 Host Membership Report
violate category
33. WRED is a method of congestion avoidance that works by dropping packets before the output queue becomes completely full. WRED can base its dropping behavior on IP Precedence or DSCP values to drop low-priority packets before high-priority packets.
BECN
VLSM
link-state advertisement
weighted random early detection
34. The process of taking the IP - UDP - and RTP headers of a voice or video packet - compressing them - and then uncompressing them on the receiving router.
COMMUNITY
isolated VLAN
RTP header compression
Be
35. As defined in RFCs 2765 and 2766 - a method of translating between IPv4 and IPv6 that removes the need for hosts to run dual protocol stacks. NAT-PT is an alternative to tunneling IPv6 over an IPv4 network - or vice versa.
Network Address Translation-Protocol Translation
remote label
counting to infinity
BOOTP
36. A switch feature with which the switch watches ARP messages - determines if those messages may or may not be part of some attack - and filters those that look suspicious.
Dynamic ARP Inspection
AGGREGATOR
edge LSR
Exterior Gateway Protocol
37. Digital subscriber line - a common Internet service type for residential and business customers.
ad hoc mode
Database Description
DSL
CEF
38. The destination VLAN for an RSPAN session.
Remote VLAN
maximum threshold
Gateway Load Balancing Protocol
local computation
39. Network Address Translation.
NAT
Challenge Handshake Authentication Protocol
Router-Port Group Management Protocol
single-rate - three-color policer
40. An MPLS term referring to any device that can forward packets that have MPLS labels.
SN
loopback circuitry
Label Switch Router
Rapid Spanning Tree Protocol
41. The practice of defining boundaries that determine how far multicast traffic will travel in your network.
multicast scoping
authentication server
Inside Global address
transit network (OSPF)
42. Uses Modular QoS CLI to control the amount and type of traffic handled by the router or switch control plane. Class maps identify traffic types - and then a service policy applied to the device control plane sets actions for each type of traffic.
LSA flooding
Hold timer
Control Plane Policing (CoPP)
data plane
43. Permanent virtual circuit.
PVC
Hot Standby Router Protocol
transmit power
Ack (EIGRP)
44. The algorithm used by OSPF and IS-IS to compute routes based on the LSDB.
FD
SPF algorithm
minimum threshold
stateless autoconfiguration
45. 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
WEP
map class
Control Plane Policing (CoPP)
46. 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
source-based distribution tree
ROMMON
P router
Network Time Protocol
47. Often used synonymously with neighbor - but with emphasis on the fact that all required parameters match - allowing routing updates to be exchanged between the routers.
IEEE 802.1X
adjacency (EIGRP)
generic routing encapsulation
access rate
48. A TCP variable used as the basis for a TCP sender's timer defining how long it should wait for a missing acknowledgement before resending the data.
Measured Round-Trip Time
NO_EXPORT
IGMPv1 Host Membership Report
BackboneFast
49. Excess Burst.
Extended Superframe
Be
window
InARP
50. The Lempel Ziv STAC compression algorithm is used in Frame Relay networks to define dynamic dictionary entries that list a binary string from the compressed data and an associated smaller string that represents it during transmission
LZS
Holddown timer
Tag Distribution Protocol
E-LSR
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