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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. 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.
control plane
data terminal equipment
BGP decision process
payload compression
2. In MPLS - the mapping of an IP prefix and a label - which is then advertised to neighbors using LDP.
mincir
NAT-PT
label binding
VTP
3. A T1 alarm state that occurs when the receiver can no longer consistently identify the frame.
Loss of Frame
RPF check
Router Advertisement
EAP over LAN
4. A 3-bit field in the first 3 bits of the ToS byte in the IP header - used for QoS marking.
private AS
multicast IP address structure
CGMP
IP Precedence
5. A Cisco-proprietary LMI protocol - implemented in Cisco WAN switches and routers - through which the switch can inform the router about parameters for each VC - including CIR - Bc - and Be.
Enhanced Local Management Interface
regular expression
Class-Based Marking
MST
6. Inside telcos' original TDM hierarchy - a unit that combines multiple DS0s into a single channel
Digital Signal Level 1
SSH
DHCP snooping binding database
stuck-in-active
7. High Density Binary 3.
802.1Q
LSP
HDB3
PPP
8. Dynamic Host Configuration Protocol.
SSH
DHCP
DTIM interval
stateful autoconfiguration
9. Enhanced Local Management Interface.
Data Terminal Ready
sticky learning
ELMI
SSM
10. The notation in a Cisco IOS IP routing table that identifies the route used by that router as the default route.
BGP Update
NLPID
frequency hopping spread spectrum
gateway of last resort
11. A message that each host sends - either in response to a router Query message or on its own - to all multicast groups for which it would like to receive multicast traffic.
map class
subnet mask
IGMPv1 Host Membership Report
encapsulation replication
12. A method for how a TCP sender grows its calculated CWND variable - thereby growing the allowed window for the connection. Congestion Avoidance grows CWND linearly.
not-so-stubby area
Congestion Avoidance
EUI-64
IPv6
13. Bootstrap Router.
Virtual Routing and Forwarding table
RXBOOT
BSR
IPv6
14. Ethernet MAC address that represents all devices on the LAN.
Rapid Per-VLAN Spanning Tree Plus
DD
broadcast address
Network Based Application Recognition
15. Digital Signal Level 0.
Border Gateway Protocol
one-time password
IGMPv3 Host Membership Query
DS0
16. Jargon referring to the minimum value to which adaptive shaping will lower the shaping rate.
Flush timer
link-state routing protocol
MLS
minimum CIR
17. The IEEE standardized protocol for VLAN trunking.
TCP header compression
VoFR
transmit power
802.1Q
18. The multicast addresses assigned by IANA.
PPPoE
optional nontransitive
service set identifier
permanent multicast group
19. A mapping between each DSCP value and a WRED threshold - often used in Cisco LAN switches when performing WRED.
Multicast Open Shortest Path First
Protocol Independent Multicast dense-mode routing protocol
DSCP-to-threshold map
BGP
20. 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.
full duplex
MD5 hash
Per-VLAN Spanning Tree Plus
ATOMIC_AGGREGATE
21. Route Target.
boot field
Join/Prune message
RT
transit network (OSPF)
22. In wireless LANs - a mechanism that counters issues related to RF interference by dividing a larger 802.11 data frame into smaller frames that are sent independently to the destination. See also LFI.
Set (SNMP)
queue starvation
Reply (EIGRP)
fragmentation
23. In the context of SNMP - the Set command is sent by an SNMP manager - to an agent - requesting that the agent set a single identified variable to the stated value. The main purpose is to allow remote configuration and remote operation - such as shutt
Set (SNMP)
NSSA
CLUSTER_LIST
K value
24. A 3-bit field in an 802.1Q header used for marking frames.
User Priority
HDB3
isolated VLAN
LMI
25. A TCP variable that defines the largest number of bytes allowed in a TCP segment's Data field. The calculation does not include the TCP header. With a typical IP MTU of 1500 bytes - the resulting default MSS would be 1460. TCP hosts must support an M
rendezvous point
IEEE 802.1X
Maximum Segment Size
Red Alarm
26. An E-LSR in an MPLS VPN network whose role in a particular discussion is to receive labeled packets from other LSRs and then forward the packets as unlabeled packets to CE routers.
egress PE
VLAN filtering
weighted fair queuing
data communications equipment
27. Spanning Tree Protocol.
Backward Explicit Congestion Notification
provider router
router ID
STP
28. A switch feature in which the switch examines DHCP messages and - for untrusted ports - filters all messages typically sent by servers and inappropriate messages sent by clients. It also builds a DHCP snooping binding table that is used by DAI and IP
scheduler
SPAN
DHCP snooping
prefix list
29. The characterization of how far EIGRP Query messages flow away from the router that first notices a failed route and goes active for a particular subnet.
EF
query scope (EIGRP)
Gateway Load Balancing Protocol
SSThresh
30. With EIGRP - for a particular route - the case in which the RD is lower than the FD.
Local Management Interface
NO_ADVERT
feasibility condition
source-specific addresses
31. Bipolar Violation.
WFQ
HDB3
BPV
shaped mode
32. 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.
Web Cache Communication Protocol
Response (SNMP)
priority queue
Router Advertisement
33. A route that is used for forwarding packets when the packet does not match any more specific routes in the IP routing table.
RPF check
default route
RID
Router-Port Group Management Protocol
34. In TCP - a TCP host sets the TCP header's Window field to the number of bytes it allows the other host to send before requiring an acknowledgement. In effect - the receiving host - by stating a particular window size - grants the sending host the rig
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183
35. 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.
Point-to-Point Protocol
IGMPv2 Host Membership Query
successor route
Wireless LAN Threat Defense Solution
36. Carrier sense multiple access with collision detection. A media-access mechanism where devices ready to transmit data first check the channel for a carrier. If no carrier is sensed for a specific period of time - a device can transmit. If two devices
CSMA/CD
mincir
NTP server mode
subnet mask
37. Cisco IOS router feature by which a route map determines how to forward a packet - typically based on information in the packet other than the destination IP address.
CTS
AutoQos
policy routing
inspection rule
38. In MPLS - a term used to define a label that an LSR learned from a neighboring LSR.
LOS
remote label
MDRR
one-time password
39. A small FIFO queue associated with each router's physical interface - for the purpose of making packets available to the interface hardware - removing the need for a CPU interrupt to start sending the next packet out the interface.
source-based distribution tree
hardware queue
Hot Standby Router Protocol
totally NSSA area
40. Another term for summary route.
aggregate route
designated port
LOF
Yellow Alarm
41. Exterior Gateway Protocol.
MLS
distributed coordination function
EGP
pulse code modulation
42. When multiple routers are connected to a subnet - only one should be sending IGMP queries. It is called a querier. IGMPv1 does not have any rules for electing a querier. In IGMPv2 and IGMPv3 - a router with the lowest interface IP address on the subn
FRF.8
WPA
querier election
aggregatable global unicast address
43. 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.
B8ZS
External BGP
native VLAN
Smoothed Round-Trip Time
44. 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.
NS
BPDU Guard
Point-to-Point Protocol
average queue depth
45. Internal BGP.
UplinkFast
iBGP
link-state database
Hot Standby Router Protocol
46. 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.
listening state
Forward Explicit Congestion Notification
Classic IOS Firewall
RXBOOT
47. Another name for Superframe.
WFQ
DHCP
average queue depth
D4 framing
48. A Cisco IOS queuing tool most notable for its scheduler - which always services the high-priority queue over all other queues.
learning state
FHSS
full drop
priority queuing
49. An MQC configuration style by which one policy map calls a second policy map. For example - a shaping policy map can call an LLQ policy map to implement LLQ for packets shaped by CB Shaping.
Border Gateway Protocol
not-so-stubby area
backup state
nested policy maps
50. With private VLANs - a port that can send and receive frames with all other ports in the private VLAN.
CIR
congestion window
OTP
promiscuous port