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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. An STP timer that dictates how long a switch should wait when it ceases to hear Hellos.
power-save mode
downstream router
Bc bucket
Maxage timer (STP)
2. 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.
advertised window
Rapid Per-VLAN Spanning Tree Plus
Data Terminal Ready
framing
3. A field in the IP header that is decremented at each pass through a Layer 3 forwarding device.
TDP
area (OSPF)
Time to Live
IP routing
4. A state for a route in an EIGRP topology table that indicates that the router is actively sending Query messages for this route - attempting to validate and learn the current best route to that subnet.
link-local
ISATAP
multi-action policing
active (EIGRP)
5. 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.
ForeSight
multicast IP address range
AS_PATH prepending
Link Aggregation Control Protocol
6. An individual line in an ACL.
Dynamic ARP Inspection
established
Access Control Entry
MPLS VPNs
7. 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.
Dynamic Multipoint VPN
committed information rate
E1
Time to Live
8. 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.
transmit power
multicast MAC address
service set identifier
WRED
9. 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.
CDPCP
UplinkFast
passive mode FTP
distribution list
10. With DiffServ - a DSCP marking and a related set of QoS actions applied to packets that have that marking.
MQC
multicast IP address structure
Per-Hop Behavior
Multiple Spanning Trees
11. Multicast Listener Discovery.
MLD
Graft Ack message
DUAL
EEM
12. A process on a computing device that accepts SNMP requests - responds with SNMP-structured MIB data - and initiates unsolicited Trap messages back to an SNMP management station.
partial update
Link Aggregation Control Protocol
minimum threshold
SNMP agent
13. A technology that sends a high-speed data stream over multiple subcarriers simultaneously. It is highly immune to multipath interference. 802.11a and 802.11g specify the use of OFDM.
Dynamic Multipoint VPN
link-state database
CTS
orthogonal frequency division multiplexing
14. The specific frequency subband on which the radio card or access point is operating. The RF channel is set in the access point or ad hoc stations.
RF channel
upstream router
maximum reserved bandwidth
CDP Control Protocol
15. 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.
Retransmission Timeout
E3
one-time password
RID
16. Sending a message from a single source or multiple sources to selected multiple destinations across a Layer 3 network in one data stream.
subnet number
Data-link connection identifier
DCE
multicasting
17. With RIP - a per-route timer (default 180 seconds) that begins when a route's metric changes to a larger value.
virtual link
MD5
Extensible Authentication Protocol
Holddown timer
18. An 802.11 frame that access points or stations in ad hoc networks send periodically so that wireless stations can discover the presence of a wireless LAN and coordinate use of certain protocols - such as power-save mode.
DROther
AR access rate.
beacon
authentication method
19. A Cisco-proprietary protocol that defines how to perform authentication between an authenticator (for example - a router) and an authentication server that holds a list of usernames and passwords.
MLS
Link Access Procedure for Frame-Mode Bearer Services
TACACS+
Rapid Per-VLAN Spanning Tree Plus
20. A serial-line encoding standard like B8ZS - but with each set of four consecutive 0s being changed to include a Bipolar Violation to maintain synchronization.
RSTP
P router
socket
High Density Binary 3
21. A multicast routing protocol that forwards the multicast traffic only when requested by a downstream router.
NBAR
sparse-mode protocol
stub router (OSPF)
not-so-stubby area
22. A term referring to the MQC class-map command and its related subcommands - which are used for classifying packets.
class map
MPLS VPNs
Ready To Send
Red Alarm
23. Cell Loss Priority.
Backward Explicit Congestion Notification
CLP
ASN
neighbor (OSPF)
24. A NAT term describing an IP address representing a host that resides inside the enterprise network - with the address being used in packets outside the enterprise network.
Class-Based Marking
Source-Specific Multicast (SSM)
Inside Global address
MDRR
25. The signal strength of the RF signal at the output of the radio card or access point transmitter - before being fed into the antenna. Measured in milliwatts - watts - or dBm.
default route
224.0.0.2
policing rate
transmit power
26. An MPLS VPN term referring to a router at a customer site that does not implement MPLS.
service set identifier
HSRP
well-known mandatory
customer edge
27. Protocol Independent Multicast sparse-mode routing protocol.
Protocol Independent Multicast dense-mode routing protocol
PIM-SM
SMI
peer group
28. The portion of PPP focused on supporting the CDP protocol.
protocol data unit
passive (EIGRP)
path attribute
CDP Control Protocol
29. Enables a wireless client to securely roam between access points in the same subnet or between subnets with access point handoff times within 50 ms.
overlapping VPN
Fast Secure Roaming
Data Terminal Ready
NetFlow aggregator
30. An IPv6 address type that is used by a number of hosts in a network that are providing the same service. Hosts accessing the service are routed to the nearest host in an anycast environment based on routing protocol metrics.
Outside Local address
anycast
IP SLA
Rapid Per-VLAN Spanning Tree Plus
31. 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.
stateless autoconfiguration
ForeSight
split horizon
Dynamic Multipoint VPN
32. A BGP feature that overcomes the requirement of a full mesh of iBGP peers inside a single AS by separating the AS into multiple sub-autonomous systems.
differentiated tail drop
confederation
PVC
PVST+
33. Extensible Authentication Protocol.
Inverse ARP
EAP
Router-Port Group Management Protocol
IGMPv2 Leave
34. Label Switch Router.
LSR
ELMI
marking down
FRF.9
35. On a single computer - one layer provides a service to a higher layer. The software or hardware that implements the higher layer requests that the next lower layer perform the needed function.
weighted round-robin
CTS
adjacent-layer interaction
partial SPF calculation
36. 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
MOSPF
Congestion Avoidance
EF
37. Virtual Router Redundancy Protocol.
quartet
FRF.5
VRRP
DR
38. 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.
weighted round-robin
peak information rate
confederation ASN
feasible successor
39. Switched virtual circuit.
subnet number
FT
FRF.5
SVC
40. 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.
Context-Based Access Control
subnet broadcast address
distance vector
LSRefresh
41. Prefix list.
U/L bit
Data-link connection identifier
data communications equipment
IP prefix list
42. A BGP peer connection between two routers inside the same ASN - but in different confederation sub-autonomous systems.
maximum threshold
Management Information Base
confederation eBGP peer
DHCP
43. Ethernet feature in which a NIC or Ethernet port can both transmit and receive at the same instant in time. It can be used only when there is no possibility of collisions. Loopback circuitry on NIC cards is disabled to use full duplex.
LMI
full duplex
link-state routing protocol
IGMPv1 Host Membership Query
44. A single address in each subnet for which packets sent to this address will be broadcast to all hosts in the subnet. It is the highest numeric value in the range of IP addresses implied by a subnet number and prefix/mask.
Data Carrier Detect
6to4
subnet broadcast address
stub router (OSPF)
45. 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.
External BGP
external route
sequence number (OSPF)
MPLS Experimental (EXP)
46. A single label and link that is part of a complete LDP. See also label switched path.
CDP Control Protocol
IPCP
infrastructure mode
LSP segment
47. Request-to-send/clear-to-send.
RTS/CTS
Feasible Distance
Boot Protocol
input event
48. Inter-Switch Link.
Virtual Router Redundancy Protocol
ISL
partial update
remaining bandwidth
49. An 802.1d STP transitory port state in which the port does not send or receive frames - and does not learn MAC addresses - but does wait for STP convergence and for CAM flushing by the switches in the network.
sequence number (OSPF)
MIB-I
listening state
Point-to-Point Protocol
50. Low-latency queuing.
Hello (OSPF)
LLQ
token bucket
AES