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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. Version 6 of the IP protocol - which uses 128-bit IP addresses.
IPv6
sub-AS
LAPF
backbone area (OSPF)
2. External BGP.
RADIUS
eBGP
RMON event
E-LSR
3. A term relating to Cisco LAN switch tail-drop logic - in which multiple tail-drop thresholds may be assigned based on CoS or DSCP - resulting in some frames being discarded more aggressively than others.
differentiated tail drop
ELMI
query scope (EIGRP)
Voice over Frame Relay
4. One of the two modes of MDRR - in which the priority queue is serviced between each servicing of the non-priority queues.
direct sequence spread spectrum
classful IP addressing
alternate mode
Smoothed Round-Trip Time
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
optional nontransitive
Link-State Acknowledgment
permanent virtual circuit
6. Orthogonal frequency division multiplexing.
Data-link connection identifier
Bipolar 8 Zero Substitution
OFDM
VPN label
7. An OSPF external route for which internal OSPF cost is not added to the cost of the route as it was redistributed into OSPF.
InARP
subnet
E2 route (OSPF)
CB Marking
8. A type of spread spectrum that spreads RF signals over the frequency spectrum by representing each data bit by a longer code. 802.11b specifies the use of DSSS.
DSCP-to-threshold map
direct sequence spread spectrum
metric
6to4
9. An FRF standard for Frame Relay-to-ATM Service Interworking in which both DTEs use Frame Relay - with ATM in between.
LSA flooding
tail drop
FRF.5
B8ZS
10. The combination of MPLS labels and links over which a packet will be forwarded over an MPLS network - from the point of ingress to the MPLS network to the point of egress.
Diffusing Update Algorithm
label switched path
designated router (PIM)
shared distribution tree
11. A logical concept that represents the path over which frames travel between DTEs. VCs are particularly useful when comparing Frame Relay to leased physical circuits.
link-state routing protocol
Exterior Gateway Protocol
virtual circuit
downstream router
12. 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.
DUAL
Retransmission Timeout
IGMPv2 Host Membership Query
stuck-in-active
13. A NAT term describing an IP address representing a host that resides outside the enterprise network - with the address being used in packets outside the enterprise network.
Outside Global address
FECN
Time Interval (Tc)
Link Aggregation Control Protocol
14. A BGP neighbor state in which the BGP neighbors have stabilized and can exchange routing information using BGP Update messages.
established
protocol data unit
Slow Start Threshold
administratively scoped addresses
15. Autonomous System Boundary Router. An OSPF router that redistributes routes from some other source into OSPF.
Inside Global address
ASBR
queue starvation
maximum reserved bandwidth
16. A table inside a router that holds the path attributes and NLRI known by the BGP implementation on that router.
backup designated router
BGP table
authentication method
private AS
17. A term referring generically to a server that performs many AAA functions. It also refers to the software product Cisco Secure Access Control Server.
source-specific addresses
EAPoL
Access Control Server
2Way (OSPF)
18. A Cisco-proprietary messaging protocol implemented in WAN switches that can be used to signal network status - including congestion - independent of end-user frames and cells.
ForeSight
blocking state
RTS
neighbor (OSPF)
19. The actual number of packets in a queue at a particular time.
MTU
ASBR
actual queue depth
Multilink PPP
20. An EIGRP message that is used to ask neighboring routers to verify their route to a particular subnet. Query messages require an Ack.
Query (EIGRP)
Graft Ack message
Report Suppression mechanism
PAgP
21. A prestandard (at the time of publication) wireless LAN physical layer that offers data rates in the hundreds of megabits per second.
AS_PATH length
fast switching
802.11n
QV
22. Aka minimum CIR.
penultimate hop popping (PHP)
mincir
Password Authentication Protocol
service set identifier
23. Challenge Handshake Authentication Protocol.
passive (EIGRP)
Database Description
VTP pruning
CHAP
24. Modular QoS CLI.
DAI
Class of Service
MQC
broadcast subnet
25. CDP Control Protocol.
CDPCP
exponential weighting constant
Network Time Protocol
AS number
26. The initial 802.11 common key encryption mechanism; vulnerable to hackers.
AGGREGATOR
Wired Equivalent Privacy
GLBP
SN
27. Modified Deficit Round-Robin.
TDM
DSCP-to-threshold map
Frame Relay LFI Using Multilink PPP (MLP)
MDRR
28. In MPLS - a term used to define a label that an LSR learned from a neighboring LSR.
Hello (EIGRP)
IGMPv2 Group-Specific Query
remote label
NSSA
29. Wired Equivalent Privacy.
WEP
classless routing
6to4
joining a group
30. A message sent by a router - after receiving a Leave message from a host - to determine whether there are still any active members of the group. The router uses the group address as the destination address.
MIB-I
triggered updates
EF
IGMPv2 Group-Specific Query
31. Receiver's advertised window.
Link Access Procedure for Frame-Mode Bearer Services
Multilink PPP
VoFR
granted window
32. Controls the distribution of multicast traffic by checking the TTL values configured on the interfaces. It forwards the multicast packet only on those interfaces whose configured TTL value is less than or equal to the TTL value of the multicast packe
Forwarding Equivalence Class
TTL scoping
nested policy maps
traffic contract
33. A bit in the Frame Relay header that - when set to 1 - means that if a device needs to discard frames - it should discard the frames with DE 1 first.
route reflector client
Discard Eligible
RT
T3
34. Internal BGP.
HSRP
RPVST+
iBGP
disabled state
35. A route that is used for forwarding packets when the packet does not match any more specific routes in the IP routing table.
All OSPF Routers
Management Information Base
default route
collision domain
36. An MPLS term referring to the first of several labels when an MPLS-forwarded packet has multiple labels (a label stack).
Diffusing Update Algorithm
LSR
Label Switch Router
outer label
37. The process of breaking a frame into pieces - sending some of the fragments - and then sending all or part of a different packet - all of which is done to reduce the delay of the second packet.
Link Fragmentation and Interleaving
infrastructure mode
802.11g
2Way (OSPF)
38. Copper cable with RJ-45 connectors in which the wire at pin 1 on one end is connected to pin 1 on the other end; the wire at pin 2 is connected to pin 2 on the other end; and so on.
straight-through cable
DR
Network Address Translation-Protocol Translation
WEP
39. An individual line in an ACL.
Access Control Entry
listening state
designated router (PIM)
High Density Binary 3
40. 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.
B8ZS
Spanning Tree Protocol
IGMPv1 Host Membership Report
CWND
41. Advanced Encryption Standard A superior encryption mechanism that is part of the 802.11i standard and has much stronger security than TKIP.
shortest-path tree switchover
AES
expedite queue
conform
42. Port Aggregation Protocol.
PAgP
Router Advertisement
source DR
DUAL
43. Layer x PDU.
LxPDU
IP routing
Neighbor Type
sparse-mode protocol
44. A method that creates three thresholds per egress queue in the Cisco 3560 switch. Traffic is divided into the three queues based on CoS value - and given different likelihoods (weight) for tail drop when congestion occurs based on which egress queue
HDB3
Maximum Response Time
weighted tail drop
All OSPF Routers
45. Cisco-proprietary VLAN trunking protocol.
Dynamic Host Configuration Protocol
variable-length subnet masking
Common Spanning Tree
Inter-Switch Link
46. 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.
LFIB
peer group
Inside Global address
NTP broadcast client
47. The process of running the SPF algorithm against the LSDB - with the result being the determination of the current best route(s) to each subnet.
Common Spanning Tree
SPF calculation
Alternate state
Multicast Source Discovery Protocol (MSDP)
48. A style of attack in which an ICMP Echo is sent with a directed broadcast (subnet broadcast) destination IP address - and a source address of the host that is being attacked. The attack can result in the Echo reaching a large number of hosts - all of
data terminal equipment
pruning
smurf attack
LSP
49. An NTP mode in which an NTP host does not adjust its clock - but in which it sends NTP messages to clients so that the clients can update their clocks based on the server's clock.
local label
path attribute
NTP server mode
Hello (EIGRP)
50. A T1 alarm state that occurs when the receiver can no longer consistently identify the frame.
EGP
Protocol Independent Multicast sparse-mode routing protocol
Loss of Frame
actual queue depth