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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. Ethernet feature in which a NIC or Ethernet port can only transmit or receive at the same instant in time - but not both. Half duplex is required when a possibility of collisions exists.
Wi-Fi Protected Access
half duplex
Dynamic ARP Inspection
subnet mask
2. As defined in RFC 3623 - graceful restart allows for uninterrupted forwarding in the event that an OSPF router's OSPF routing process must restart. The router does this by first notifying the neighbor routers that the restart is about to occur; the n
Prune Override
graceful restart (OSPF)
DSL
Reply (EIGRP)
3. Defined in IEEE 802.1w - a specification to enhance the 802.1d standard to improve the speed of STP convergence.
Graft message
policy map
Rapid Spanning Tree Protocol
Garbage timer
4. A 3-bit field in an MPLS header used for marking frames.
inner label
MPLS Experimental (EXP)
minimum threshold
ORIGINATOR_ID
5. Rapid Spanning Tree Protocol.
AS_PATH prepending
generic traffic shaping (GTS)
offset list
RSTP
6. An IPv6/IPv4 tunneling method that is designed for transporting IPv6 packets within a site where a native IPv6 infrastructures is not available.
RXBOOT
ISATAP
Retransmission Timeout
CSMA/CD
7. Forward Explicit Congestion Notification.
AS_PATH
FECN
FRF.11-c
LxPDU
8. A set of rules by which BGP examines the details of multiple BGP routes for the same NLRI and chooses the single best BGP route to install in the local BGP table.
CDPCP
BGP decision process
Backward Explicit Congestion Notification
AF
9. Defined in RFC 3748 - the protocol used by IEEE 802.1X for exchanging authentication information.
Extensible Authentication Protocol
TCP intercept
orthogonal frequency division multiplexing
boot field
10. An IPv6 address format used for publicly registered IPv6 addresses.
Virtual Routing and Forwarding table
aggregatable global unicast address
PCM
trunking
11. 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.
multicast IP address structure
Alternate state
ORIGIN
private VLAN
12. A table inside a router that holds the path attributes and NLRI known by the BGP implementation on that router.
BGP table
ND
SSThresh
multicast MAC address
13. Modular QoS CLI.
MSS
Out of Frame
MQC
Port Address Translation
14. A set of DiffServ PHBs that defines 12 DSCP values - with four queuing classes and three drop probabilities within each queuing class.
Assured Forwarding
IGMPv2 Host Membership Report
dense-mode protocol
frequency hopping spread spectrum
15. The portion of PPP focused on features that are unrelated to any specific Layer 3 protocol.
802.1Q
Link Control Protocol
subnet number
transient multicast group
16. A type of OSPF packet used to exchange and acknowledge LSA headers. Sometimes called DBD.
Database Description
prefix list
FRF.12
CIDR
17. Cisco-proprietary VLAN trunking protocol.
egress PE
Inter-Switch Link
Common Spanning Tree
signal-to-noise ratio
18. On a serial cable - the pin lead set by the DCE to tell the DTE that the DTE is allowed send data.
NO_EXPORT_SUBCONFED
Link-State Acknowledgment
querier election
Clear To Send
19. An FRF standard for Frame Relay-to-ATM Service Interworking in which both DTEs use Frame Relay - with ATM in between.
enable password
LOCAL_PREF
FRF.5
Link Control Protocol
20. An Internet standard authentication protocol that uses secure hashes and a three-way handshake to perform authentication over a PPP link.
Challenge Handshake Authentication Protocol
IP Precedence
Multiple Spanning Trees
VRRP
21. Quantum value.
DiffServ
offset list
QV
Slow Start
22. A BGP message that includes withdrawn routes - path attributes - and NLRI.
SMI
BGP Update
loopback circuitry
DR election (OSPF)
23. The structure inside telcos' original digital circuit build-out in the mid-1900s - based upon using TDM to combine and disperse smaller DS levels into larger levels - and vice versa.
Link Access Procedure for Frame-Mode Bearer Services
TDM hierarchy
Neighbor Solicitation
LSA flooding
24. Assured Forwarding. A set of DiffServ PHBs that defines 12 DSCP values - with four queuing classes and three drop probabilities within each queuing class.
224.0.0.2
Common Spanning Tree
RTP
AF
25. Provider edge.
PE
routing black hole
Source-Specific Multicast (SSM)
successor route
26. An 802.1d STP port state in which the port has been administratively disabled.
TDM hierarchy
global routing prefix
Cisco Group Management Protocol
disabled state
27. A method of obtaining an IPv6 address that uses DHCPv6. See also stateless autoconfiguration.
Be
BPDU Guard
Link-State Update
stateful autoconfiguration
28. A WRED process by which WRED does not discard packets during times in which a queue's minimum threshold has not been passed.
RMON event
no drop
direct sequence spread spectrum
ND
29. An IEEE standard that - when used with EAP - provides user authentication before their connected switch port allows the device to fully use the LAN.
subnet
Alternate state
weighted tail drop
IEEE 802.1X
30. Customer edge.
CDP Control Protocol
PIM-SM
CE
source-based distribution tree
31. 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.
Extended Superframe
Measured Round-Trip Time
224.0.0.5
broadcast address
32. A numeric value between 0 and 32 (inclusive) that defines the number of beginning bits in an IP address for which all IP addresses in the same group have the same value. Alternative: The number of binary 1s beginning a subnet mask - written as a deci
Link Control Protocol
AMI
prefix
EEM
33. Database Description.
DD
sequence number (OSPF)
802.11a
Outside Global address
34. 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.
MPLS TTL propagation
port security
VLAN
Loop Guard
35. A possible side effect of a scheduler that performs strict-priority scheduling of a queue - which can result in lower-priority queues getting little or no service.
FECN
designated router (PIM)
queue starvation
Service Interworking
36. An IPv6 migration strategy in which a host or router supports both IPv4 and IPv6 natively.
Feasible Distance
EF
IGMPv3 Host Membership Report
dual stack
37. A name used for DS1 lines inside the North American TDM hierarchy.
Tc
T1
RTP header compression
DMVPN
38. Context-Based Access Control.
CBAC
RD
FHSS
designated router (PIM)
39. In BGP - a set of routers inside a single administrative authority - grouped together for the purpose of controlling routing policies for the routes advertised by that group to the Internet.
autonomous system
DS field
broadcast subnet
IP PBX
40. 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 remove the attribute before advertisi
IGMPv3 Host Membership Report
policy routing
optional nontransitive
Classic IOS Firewall
41. A BGP path attribute that allows routers in one AS to set a value and advertise it into a neighboring AS - impacting the decision process in that neighboring AS. A smaller value is considered better. Also called the BGP metric.
RSPAN
MULTI_EXIT_DISC (MED)
variable-length subnet masking
actual queue depth
42. A field in the IP header that is decremented at each pass through a Layer 3 forwarding device.
Time to Live
FEC
MRTT
DMVPN
43. Internet Group Management Protocol.
Inverse ARP
IGMP
PVST+
NLRI
44. In IPv6 - a Router Advertisement message used by an IPv6 router to send information about itself to nodes and other routers connected to that router.
Router Advertisement
IGMPv1 Host Membership Report
NCP
NBAR
45. A CBWFQ and LLQ term referring to the bandwidth on an interface that is neither reserved nor allocated via a priority command.
RD
remaining bandwidth
MLS
regular expression
46. Slow Start Threshold.
multicast IP address structure
SSThresh
promiscuous port
RGMP
47. An early T1 framing standard.
OOF
transit network (OSPF)
Superframe
Expedited Forwarding
48. A dotted-decimal number that represents a subnet. It is the lowest numeric value in the range of IP addresses implied by a subnet number and prefix/mask.
Data Set Ready
VRRP
LSAck
subnet number
49. 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.
GLBP
multicast MAC address
Digital Signal Level 0
Extensible Authentication Protocol
50. Alternate name for the SPF algorithm - named for its inventor - Edsger W. Dijkstra.
client tracking
time-division multiplexing
Dijkstra Algorithm
backbone area (OSPF)