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Test your basic knowledge |
CCIE Vocab
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Subjects
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certifications
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ccie
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it-skills
Instructions:
Answer 50 questions in 15 minutes.
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study here
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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. A router that should either permanently or temporarily not be used as a transit router. Can wait a certain time after OSPF process start - or after BGP notifies OSPF that BGP has converged - before ceasing to be a stub router.
full update
virtual LAN
stub router (OSPF)
totally NSSA area
2. Another term for summary route.
shaped mode
unicast MAC address
aggregate route
multicast IP address range
3. Designated router.
Hello (EIGRP)
ELMI
VLAN filtering
DR
4. A state variable kept by a router for each known neighbor or potential neighbor.
FD
neighbor state
Root Guard
TKIP
5. The 32-bit number used to represent an OSPF router.
LFIB
neighbor (EIGRP)
router ID
congestion window
6. Each 802.11 station periodically sends a probe request frame on each RF channel and monitors probe response frames that all access points within range send back. Stations use the signal strength of the probe response frames to determine which access
active scanning
link-state routing protocol
marking down
WLSE
7. An optional nontransitive BGP path attribute that lists the route reflector cluster IDs through which a route has been advertised - as part of a loop-prevention process similar to the AS_PATH attribute.
Router Advertisement
CLUSTER_LIST
framing
LSDB
8. A multicast routing protocol that forwards the multicast traffic only when requested by a downstream router.
ELMI
source registration
BDR
sparse-mode protocol
9. Virtual Routing and Forwarding table.
BOOTP
VRF table
Network Address Translation-Protocol Translation
WCCP
10. Cisco Express Forwarding.
multicast scoping
WRED
active (EIGRP)
CEF
11. With RIP - the advertisement of a poisoned route out an interface - when that route was formerly not advertised out that interface due to split horizon rules.
poison reverse
peak information rate
exceed
network layer reachability information
12. A mechanism in which VLAN information can extend over another set of 802.1Q trunks by tunneling the original 802.1Q traffic with another 802.1Q tag. It allows a service provider to support transparent VLAN services with multiple customers - even if t
LSA
infrastructure mode
alternate mode
802.1Q-in-Q
13. A strategy for subnetting a classful network for which all masks/prefixes are the same value for all subnets of that one classful network.
metric
weight (BGP)
static length subnet masking
label switched path
14. Any occurrence that could change a router's EIGRP topology table - including a received Update or Query - a failed interface - or the loss of a neighbor.
NLPID
weighted round-robin
input event
Query (EIGRP)
15. The command used to initialize a SPAN or RSPAN session on a Catalyst switch.
monitor session
hardware queue
PCM
solicited node multicast
16. Inverse ARP.
MPD
Extended Superframe
OAM
InARP
17. Rapid Spanning Tree Protocol.
boot field
link-state routing protocol
Reply (EIGRP)
RSTP
18. An optional contention-free 802.11 access protocol that requires the access point to poll wireless stations before they are able to send frames. Not commonly implemented.
AS_PATH length
IGMPv3 Host Membership Query
multipath
point coordination function
19. 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.
virtual circuit
Message Digest 5
permanent multicast group
MaxAge (OSPF)
20. The 802.1X function implemented by a switch - in which the switch translates between EAPoL and RADIUS messages in both directions - and enables/disables ports based on the success/failure of authentication.
quantum value
ISATAP
authenticator
service set identifier
21. 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.
RADIUS
active mode FTP
SRR
radio management aggregation
22. A Cisco IOS configuration tool for RIP and EIGRP for which the list matches routes in routing updates - and adds a defined value to the sent or received metric for the routes. The value added to the metric is the offset.
Extensible Authentication Protocol
CST
offset list
IGMP
23. Multicast addresses that are not assigned by IANA.
SF
TTL
network type (OSPF)
transient multicast group
24. Port Aggregation Protocol.
Dynamic Trunking Protocol
PAgP
WRR
Link Fragmentation and Interleaving
25. An administrative setting - included in Hellos - that is the first criteria for electing a DR. The highest priority wins - with values from 1-255 - with priority 0 meaning a router cannot become DR or BDR.
SPF algorithm
network layer reachability information
LSA type (OSPF)
priority (OSPF)
26. Router-Port Group Management Protocol.
dual stack
RGMP
administratively scoped addresses
ESF
27. A route that is used for forwarding packets when the packet does not match any more specific routes in the IP routing table.
multipath
default route
Class of Service
reported distance
28. A mapping between each DSCP value and a WRED threshold - often used in Cisco LAN switches when performing WRED.
Forward Explicit Congestion Notification
DSCP-to-threshold map
GLBP
MLP LFI
29. An attack similar to a smurf attack - but using packets for the UDP Echo application instead of ICMP.
Web Cache Communication Protocol
fraggle attack
Class Selector
regular expression
30. Authentication - authorization - and accounting.
RTP header compression
superior BPDU
AAA
token bucket
31. Prefix list.
solicited node multicast
DLCI
IP prefix list
IGMPv3 Host Membership Report
32. The condition in which a route has been in an EIGRP active state for longer than the router's Active timer.
Wireless LAN Threat Defense Solution
priority queue
internal BGP
stuck-in-active
33. CDP Control Protocol.
CDPCP
feasible successor
encoding
minimum threshold
34. AutoQoS is a macro that creates and applies quality of service configurations based on Cisco best-practice recommendations.
PVST+
AutoQos
RITE
Network Address Translation
35. With some routing protocols - the time period between successive Hello messages.
permanent multicast group
minimum threshold
hello interval
unicast MAC address
36. Extensible Authentication Protocol.
fragmentation
blocking state
community VLAN
EAP
37. Congestion window.
ACE
NO_EXPORT_SUBCONFED
CWND
Multiple Spanning Trees
38. The term to describe a router that is neither the DR nor the BDR on a subnet that elects a DR and BDR.
IP forwarding
DROther
full drop
LOCAL_AS
39. A T1 alarm state that occurs when a device receives a Yellow Alarm signal. This typically means that the device on the other end of the line is in a Red Alarm state.
Yellow Alarm
U/L bit
E1 route (OSPF)
committed information rate
40. The second most significant bit in the most significant byte of an Ethernet MAC address - a value of binary 0 implies that the address is a Universally Administered Address (UAA) (also known as Burned-In Address [BIA]) - and a value of binary 1 impli
MLD
Wi-Fi Protected Access
CS
U/L bit
41. A queuing tool's logic by which it selects the next packet to dequeue from its many queues.
scheduler
MPLS unicast
source-based distribution tree
Bc
42. Label switched path.
LSP
FT
RSPAN
LZS
43. A bit inside the Frame Relay header that - when set - implies that congestion occurred in the direction opposite (or backward) as compared with the direction of the frame.
Backward Explicit Congestion Notification
Extended Superframe
provider router
Label Forwarding Information Base
44. A Cisco IOS configuration tool - using the ip as-path access-list command - that defines a list of statements that match the AS_PATH BGP path attribute using regular expressions.
pulse code modulation
enable secret
AS_PATH access list
WRED
45. A single label and link that is part of a complete LDP. See also label switched path.
LSP segment
OFDM
route reflector server
Loss of Frame
46. Digital Signal Level 3.
AAAA
DS3
low-latency queuing
Dynamic ARP Inspection
47. Autonomous System Boundary Router. An OSPF router that redistributes routes from some other source into OSPF.
RTS
ASBR
Bootstrap Router (BSR)
exponential weighting constant
48. Link Access Procedure for Frame-Mode Bearer Services.
violate category
LAPF
Route Distinguisher
All OSPF DR Routers
49. Burst With shaping and policing - the number of additional bits that may be sent after a period of relative inactivity.
Excess
D4 framing
confederation identifier
LOCAL_AS
50. 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
access link
Cisco Group Management Protocol
NetFlow aggregator
Maximum Segment Size
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