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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 MPLS data structure used for forwarding labeled packets. The LFIB lists the incoming label - which is compared to the incoming packet's label - along with forwarding instructions for the packet.
TCP code bits
RMON alarm
counting to infinity
Label Forwarding Information Base
2. In MPLS VPNs - an entity in a single router that provides a means to separate routes in different VPNs. The VRF includes per-VRF instances of routing protocols - a routing table - and an associated CEF FIB.
nested policy maps
Virtual Routing and Forwarding table
IGMPv3 Host Membership Report
inspection rule
3. An IPv6/IPv4 tunneling method that is designed for transporting IPv6 packets within a site where a native IPv6 infrastructures is not available.
AS_PATH prepending
ISATAP
aggregate route
E-LSR
4. Multilink PPP.
DTP
BGP Update
MLP
priority queue
5. Burst With shaping and policing - the number of additional bits that may be sent after a period of relative inactivity.
Excess
RTP header compression
SRR
DLCI
6. A technology that enables frequency reuse. Two variants exist: frequency hopping (FHSS) and direct sequence (DSSS). Both techniques spread the signal power over a relatively wide portion of the frequency spectrum over time - to reduce interference be
IEEE 802.1X
spread spectrum
Type of Service byte
VRRP Master router
7. The Cisco IOS feature by which special short key sequences can be used to move the cursor inside the current command line to more easily change a command.
enhanced editing
limiting query scope (EIGRP)
virtual LAN
Response (SNMP)
8. The combination of PVST+ and Rapid Spanning Tree. It provides subsecond convergence time and is compatible with PVST+ and MSTP.
external route
Route Tag field
Clear To Send
Rapid Per-VLAN Spanning Tree Plus
9. 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.
SPF calculation
OTP
Prune Override
AS_PATH access list
10. Expedited Forwarding.
unicast MAC address
beacon
EF
NAT
11. Message Digest 5.
mark probability denominator
MD5
LAPF
shared distribution tree
12. Protects against problems caused by unidirectional links between two switches. Watches for loss of received Hello BPDUs - in which case it transitions to a loop-inconsistent state instead of transitioning to a forwarding state.
link-local
Loop Guard
TDM hierarchy
stub router (EIGRP)
13. Cisco-proprietary STP feature in which a switch port - known to not have a bridge or switch attached to it - transitions from disabled to forwarding state without using any intermediate states.
TTL scoping
poison reverse
IP SLA responder
PortFast
14. The operating mode of shaped round-robin that provides a low-latency queue with policing.
downstream router
GetNext
shaped mode
designated router (PIM)
15. 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.
BGP decision process
hardware queue
PHB
subnet broadcast address
16. With RIP - a per-route timer (default 180 seconds) that begins when a route's metric changes to a larger value.
OFDM
Holddown timer
radio management aggregation
Network Based Application Recognition
17. Defined in RFC 2091 - the extensions define how RIP may send a full update once - and then send updates only when routes change - when an update is requested - or when a RIP interface changes state from down to up.
IGMP snooping
finish time
NTP broadcast client
Triggered Extensions to RIP for On-Demand Circuits
18. A neighbor state that signifies the other router has reached neighbor status - having passed the parameter check.
data plane
Port Aggregation Protocol
Dead Time/Interval
2Way (OSPF)
19. A BGP router that forwards iBGP-learned routes to other iBGP routers.
NAT
route reflector server
Update timer (RIP)
NBAR
20. A route that is created to represent one or more smaller component routes - typically in an effort to reduce the size of routing and topology tables.
Extended Superframe
summary route
LxPDU
LSAck
21. Shaped round-robin.
User Priority
LACP
LSA type (OSPF)
SRR
22. Excess Burst.
Be
learning state
Diffusing Update Algorithm
multipath
23. In IP routing - a term referring to the process of forwarding packets through a router.
SLSM
Port Address Translation
data plane
permanent multicast group
24. An FRF standard for Frame Relay-to-ATM Service Interworking in which both DTEs use Frame Relay - with ATM in between.
remaining bandwidth
CEF
PAgP
FRF.5
25. Method by which a dense-mode routing protocol distributes multicast traffic from a source to all the segments of a network. Also called shortest-path tree (SPT) - because it uses the shortest routing path from the source to the segments of the networ
Digital Signal Level 3
sticky learning
encapsulation replication
source-based distribution tree
26. The number of beacons that governs how often multicast frames are sent over a wireless LAN.
DTIM interval
Measured Round-Trip Time
authentication - authorization - and accounting
Alternate Mark Inversion
27. An OSPF area into which external (type 5) LSAs are not introduced by its ABRs; instead - the ABRs originate and inject default routes into the area.
stub area
PIM-SM
shaping rate
multicast MAC address
28. A type of OSPF stub area for which neither external (type 5) LSAs are introduced - nor type 3 summary LSAs; instead - the ABRs originate and inject default routes into the area. External routes cannot be injected into a totally stubby area.
AS_PATH prepending
Discard Eligible
Bipolar 8 Zero Substitution
totally stubby area
29. The definitions for a particular set of data variables - with those definitions following the SMI specifications. See also SMI.
RD
Management Information Base
variable-length subnet masking
flash updates
30. An SPF calculation as a result of changes inside the same area as a router - for which the SPF run must examine the full LSDB.
maximum transmission unit
full SPF calculation
cross-over cable
LAPF
31. The common set of IOS configuration commands that is used with each QoS feature whose name begins with "Class-Based."
global routing prefix
WFQ
Modular QoS CLI
monitor session
32. Cell Loss Priority.
CLP
Distance Vector Multicast Routing Protocol
Route Distinguisher
totally stubby area
33. An individual line in an ACL.
FD
Invalid timer
Access Control Entry
internal BGP
34. With RIP - the regular interval at which updates are sent. Each interface uses an independent timer - defaulting to 30 seconds.
Update timer (RIP)
token bucket
SSH
orthogonal frequency division multiplexing
35. The rate at which a policer limits the bits exiting or entering the policer.
Update timer (RIP)
policing rate
label switched path
socket
36. DCE devices are one of two devices on either end of a communications circuit - specifically the device with more control over the communications. Frame Relay switches are DCE devices. DCEs are also known as data circuit-terminating equipment (DTE).
data communications equipment
edge LSR
LSA
DiffServ
37. From one perspective - DTE devices are one of two devices on either end of a communications circuit - specifically the device with less control over the communications. In Frame Relay - routers connected to a Frame Relay access link are DTE devices.
subnet mask
SPF calculation
data terminal equipment
Smoothed Round-Trip Time
38. Secure Copy Protocol - one of the many ways of transferring files to and from Cisco IOS routers and switches.
gateway of last resort
Tc
SCP
straight-through cable
39. With private VLANs - a secondary VLAN in which the ports can send and receive frames with each other - but not with ports in other secondary VLANS.
DTE
SSH
promiscuous port
community VLAN
40. With RIP - a per-route timer that increases until the router receives a routing update that confirms the route is still valid - upon which the timer is reset to 0. If the updates cease - the Invalid timer will grow - until reaching the timer setting
single-rate - two-color policer
provider edge
penultimate hop popping (PHP)
Invalid timer
41. Tag Distribution Protocol.
RMON collector
WLSE
TDP
NTP broadcast client
42. A characterization of a network attack in which packets flow to the attacker - and then out to the true recipient. As a result - the user continues to send data - increasing the chance that the attacker learns more and better information.
Virtual Routing and Forwarding table
DMVPN
totally stubby area
man-in-the-middle attack
43. 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.
adjacency table
querier election
LSA flooding
authenticator
44. IP Control Protocol.
backup state
violate category
IPCP
Outside Local address
45. 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
smurf attack
access link
Flush timer
data communications equipment
46. A BGP ASN whose value is between 64 -512 and 65 -535. These values are not assigned for use on the Internet - and can be used for private purposes - typically either within confederations or by ISPs to hide the ASN used by some customers.
solicited node multicast
VRF Lite
private AS
BSR
47. An IPv6 address format used for publicly registered IPv6 addresses.
aggregatable global unicast address
inspection rule
weighted round-robin
AS_PATH prepending
48. The portion of PPP focused on negotiating IP features
BECN
Expedited Forwarding
single-rate - three-color policer
IP Control Protocol
49. An interface on a Cisco IOS-based switch that is treated as if it were an interface on a router.
administratively scoped addresses
route reflector non-client
MST
routed interface
50. The encapsulation of EAP messages directly inside LAN frames. This encapsulation is used between the supplicant and the authenticator.
Outside Global address
source registration
NTP symmetric active mode
EAP over LAN